19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.widget; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbyeimport android.annotation.IntDef; 2094a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamyimport android.annotation.NonNull; 213a1fa10e13f72396eb0d218ee4d7aad2a77134e3Scott Kennedyimport android.annotation.Nullable; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 24fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powellimport android.graphics.Canvas; 25fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powellimport android.graphics.drawable.Drawable; 2640e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viveretteimport android.os.Build; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Gravity; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewDebug; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 3294a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamyimport android.view.ViewHierarchyEncoder; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.RemoteViews.RemoteView; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3599441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikasimport com.android.internal.R; 3699441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 37d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbyeimport java.lang.annotation.Retention; 38d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbyeimport java.lang.annotation.RetentionPolicy; 39d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 42d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * A layout that arranges other views either horizontally in a single column 43d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * or vertically in a single row. 44d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * 45d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * <p>The following snippet shows how to include a linear layout in your layout XML file:</p> 46d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * 47d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * <pre><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 48d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * android:layout_width="match_parent" 49d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * android:layout_height="match_parent" 50d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * android:paddingLeft="16dp" 51d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * android:paddingRight="16dp" 52d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * android:orientation="horizontal" 53d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * android:gravity="center"> 54d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * 55d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * <!-- Include other widget or layout tags here. These are considered 56d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * "child views" or "children" of the linear layout --> 57d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * 58d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * </LinearLayout></pre> 59d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * 60d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * <p>Set {@link android.R.styleable#LinearLayout_orientation android:orientation} to specify 61d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * whether child views are displayed in a row or column.</p> 62d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * 63d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * <p>To control how linear layout aligns all the views it contains, set a value for 64d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * {@link android.R.styleable#LinearLayout_gravity android:gravity}. For example, the 65d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * snippet above sets android:gravity to "center". The value you set affects 66d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * both horizontal and vertical alignment of all child views within the single row or column.</p> 67d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * 68d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * <p>You can set 6967f9d5070a74a0bf34f0335899a96dedcac26c96Jeff Sharkey * {@link android.R.styleable#LinearLayout_Layout_layout_weight android:layout_weight} 70d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * on individual child views to specify how linear layout divides remaining space amongst 71d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * the views it contains. See the 72d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * <a href="https://developer.android.com/guide/topics/ui/layout/linear.html">Linear Layout</a> 73d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * guide for an example.</p> 74d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * 75d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * <p>See 76d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * {@link android.widget.LinearLayout.LayoutParams LinearLayout.LayoutParams} 77d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * to learn about other attributes you can set on a child view to affect its 78d9ffaa5eb86f86b0d45f61c262d7d6d2b7a83681Joe Fernandez * position and size in the containing linear layout.</p> 799295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * 809295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * @attr ref android.R.styleable#LinearLayout_baselineAligned 819295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * @attr ref android.R.styleable#LinearLayout_baselineAlignedChildIndex 829295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * @attr ref android.R.styleable#LinearLayout_gravity 839295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * @attr ref android.R.styleable#LinearLayout_measureWithLargestChild 849295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * @attr ref android.R.styleable#LinearLayout_orientation 859295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * @attr ref android.R.styleable#LinearLayout_weightSum 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project@RemoteView 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class LinearLayout extends ViewGroup { 89d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye /** @hide */ 90d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye @IntDef({HORIZONTAL, VERTICAL}) 91d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye @Retention(RetentionPolicy.SOURCE) 92d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye public @interface OrientationMode {} 93d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int HORIZONTAL = 0; 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int VERTICAL = 1; 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 97d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye /** @hide */ 98d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye @IntDef(flag = true, 99d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye value = { 100d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye SHOW_DIVIDER_NONE, 101d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye SHOW_DIVIDER_BEGINNING, 102d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye SHOW_DIVIDER_MIDDLE, 103d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye SHOW_DIVIDER_END 104d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye }) 105d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye @Retention(RetentionPolicy.SOURCE) 106d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye public @interface DividerMode {} 107d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 109fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell * Don't show any dividers. 110fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell */ 111fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell public static final int SHOW_DIVIDER_NONE = 0; 112fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell /** 113fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell * Show a divider at the beginning of the group. 114fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell */ 115fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell public static final int SHOW_DIVIDER_BEGINNING = 1; 116fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell /** 117fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell * Show dividers between each item in the group. 118fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell */ 119fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell public static final int SHOW_DIVIDER_MIDDLE = 2; 120fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell /** 121fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell * Show a divider at the end of the group. 122fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell */ 123fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell public static final int SHOW_DIVIDER_END = 4; 124fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 125fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell /** 12640e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette * Compatibility check. Old versions of the platform would give different 12740e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette * results from measurement passes using EXACTLY and non-EXACTLY modes, 12840e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette * even when the resulting size was the same. 12940e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette */ 13040e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette private final boolean mAllowInconsistentMeasurement; 13140e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette 13240e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette /** 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Whether the children of this layout are baseline aligned. Only applicable 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if {@link #mOrientation} is horizontal. 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 136bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "layout") 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mBaselineAligned = true; 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If this layout is part of another layout that is baseline aligned, 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * use the child at this index as the baseline. 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note: this is orthogonal to {@link #mBaselineAligned}, which is concerned 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * with whether the children of this layout are baseline aligned. 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 146bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "layout") 147c1f9c40c23a756a11394a35f37053f796494b224Karl Rosaen private int mBaselineAlignedChildIndex = -1; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The additional offset to the child's baseline. 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We'll calculate the baseline of this layout as we measure vertically; for 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * horizontal linear layouts, the offset of 0 is appropriate. 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 154bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "measurement") 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mBaselineChildTop = 0; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 157bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "measurement") 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mOrientation; 159bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev 160bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio @ViewDebug.ExportedProperty(category = "measurement", flagMapping = { 161bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio @ViewDebug.FlagToString(mask = -1, 162bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio equals = -1, name = "NONE"), 163bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio @ViewDebug.FlagToString(mask = Gravity.NO_GRAVITY, 164bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio equals = Gravity.NO_GRAVITY,name = "NONE"), 165bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio @ViewDebug.FlagToString(mask = Gravity.TOP, 166bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio equals = Gravity.TOP, name = "TOP"), 167bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio @ViewDebug.FlagToString(mask = Gravity.BOTTOM, 168bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio equals = Gravity.BOTTOM, name = "BOTTOM"), 169bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio @ViewDebug.FlagToString(mask = Gravity.LEFT, 170bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio equals = Gravity.LEFT, name = "LEFT"), 171bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio @ViewDebug.FlagToString(mask = Gravity.RIGHT, 172bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio equals = Gravity.RIGHT, name = "RIGHT"), 1739e3b002d3f9141d54948a65e0330fdcd09e75a30Fabrice Di Meglio @ViewDebug.FlagToString(mask = Gravity.START, 1749e3b002d3f9141d54948a65e0330fdcd09e75a30Fabrice Di Meglio equals = Gravity.START, name = "START"), 1759e3b002d3f9141d54948a65e0330fdcd09e75a30Fabrice Di Meglio @ViewDebug.FlagToString(mask = Gravity.END, 1769e3b002d3f9141d54948a65e0330fdcd09e75a30Fabrice Di Meglio equals = Gravity.END, name = "END"), 177bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio @ViewDebug.FlagToString(mask = Gravity.CENTER_VERTICAL, 178bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio equals = Gravity.CENTER_VERTICAL, name = "CENTER_VERTICAL"), 179bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio @ViewDebug.FlagToString(mask = Gravity.FILL_VERTICAL, 180bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio equals = Gravity.FILL_VERTICAL, name = "FILL_VERTICAL"), 181bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio @ViewDebug.FlagToString(mask = Gravity.CENTER_HORIZONTAL, 182bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio equals = Gravity.CENTER_HORIZONTAL, name = "CENTER_HORIZONTAL"), 183bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio @ViewDebug.FlagToString(mask = Gravity.FILL_HORIZONTAL, 184bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio equals = Gravity.FILL_HORIZONTAL, name = "FILL_HORIZONTAL"), 185bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio @ViewDebug.FlagToString(mask = Gravity.CENTER, 186bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio equals = Gravity.CENTER, name = "CENTER"), 187bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio @ViewDebug.FlagToString(mask = Gravity.FILL, 188bce84d2bcaa30b9d937b629111091e9f6286c3ebFabrice Di Meglio equals = Gravity.FILL, name = "FILL"), 189c46f7ffa9079f3ae8a5204e7519ed7a1250116d0Fabrice Di Meglio @ViewDebug.FlagToString(mask = Gravity.RELATIVE_LAYOUT_DIRECTION, 190c46f7ffa9079f3ae8a5204e7519ed7a1250116d0Fabrice Di Meglio equals = Gravity.RELATIVE_LAYOUT_DIRECTION, name = "RELATIVE") 1914597e9806948256e82b9f1cdaa7019cbbd912668Jon Miranda }, formatToHexString = true) 1929e3b002d3f9141d54948a65e0330fdcd09e75a30Fabrice Di Meglio private int mGravity = Gravity.START | Gravity.TOP; 193bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev 194bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "measurement") 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mTotalLength; 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 197bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "layout") 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float mWeightSum; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 200bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "layout") 2015b1b2417106f161e4bc66296888f4685f213eebdRomain Guy private boolean mUseLargestChild; 2025b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mMaxAscent; 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mMaxDescent; 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int VERTICAL_GRAVITY_COUNT = 4; 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int INDEX_CENTER_VERTICAL = 0; 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int INDEX_TOP = 1; 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int INDEX_BOTTOM = 2; 2115b1b2417106f161e4bc66296888f4685f213eebdRomain Guy private static final int INDEX_FILL = 3; 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 213fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell private Drawable mDivider; 214fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell private int mDividerWidth; 215fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell private int mDividerHeight; 216fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell private int mShowDividers; 217fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell private int mDividerPadding; 218fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 21978528b22c29f570469fe3c75328042f83a5a24c3Selim Cinek private int mLayoutDirection = View.LAYOUT_DIRECTION_UNDEFINED; 22078528b22c29f570469fe3c75328042f83a5a24c3Selim Cinek 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LinearLayout(Context context) { 222d6479ec5eec13914f656f6be996d95fe1610fd57Alan Viverette this(context, null); 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2253a1fa10e13f72396eb0d218ee4d7aad2a77134e3Scott Kennedy public LinearLayout(Context context, @Nullable AttributeSet attrs) { 2269295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy this(context, attrs, 0); 2279295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy } 22899441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 2293a1fa10e13f72396eb0d218ee4d7aad2a77134e3Scott Kennedy public LinearLayout(Context context, @Nullable AttributeSet attrs, int defStyleAttr) { 230617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette this(context, attrs, defStyleAttr, 0); 231617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette } 232617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette 233617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette public LinearLayout(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { 234617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette super(context, attrs, defStyleAttr, defStyleRes); 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 236617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette final TypedArray a = context.obtainStyledAttributes( 237617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette attrs, com.android.internal.R.styleable.LinearLayout, defStyleAttr, defStyleRes); 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = a.getInt(com.android.internal.R.styleable.LinearLayout_orientation, -1); 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >= 0) { 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setOrientation(index); 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = a.getInt(com.android.internal.R.styleable.LinearLayout_gravity, -1); 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >= 0) { 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setGravity(index); 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean baselineAligned = a.getBoolean(R.styleable.LinearLayout_baselineAligned, true); 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!baselineAligned) { 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBaselineAligned(baselineAligned); 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWeightSum = a.getFloat(R.styleable.LinearLayout_weightSum, -1.0f); 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBaselineAlignedChildIndex = 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.getInt(com.android.internal.R.styleable.LinearLayout_baselineAlignedChildIndex, -1); 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2599295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy mUseLargestChild = a.getBoolean(R.styleable.LinearLayout_measureWithLargestChild, false); 2605b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 261fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mShowDividers = a.getInt(R.styleable.LinearLayout_showDividers, SHOW_DIVIDER_NONE); 262fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mDividerPadding = a.getDimensionPixelSize(R.styleable.LinearLayout_dividerPadding, 0); 2633218a4e4f548a26e5783d3a56d150f07deeca448Kirill Grouchnikov setDividerDrawable(a.getDrawable(R.styleable.LinearLayout_divider)); 264fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 26540e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final int version = context.getApplicationInfo().targetSdkVersion; 26640e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette mAllowInconsistentMeasurement = version <= Build.VERSION_CODES.M; 26740e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2729df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov * Returns <code>true</code> if this layout is currently configured to show at least one 2739df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov * divider. 2749df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov */ 2759df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov private boolean isShowingDividers() { 2769df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov return (mShowDividers != SHOW_DIVIDER_NONE) && (mDivider != null); 2779df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov } 2789df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov 2799df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov /** 280fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell * Set how dividers should be shown between items in this layout 281fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell * 282fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell * @param showDividers One or more of {@link #SHOW_DIVIDER_BEGINNING}, 2839df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov * {@link #SHOW_DIVIDER_MIDDLE}, or {@link #SHOW_DIVIDER_END} 2849df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov * to show dividers, or {@link #SHOW_DIVIDER_NONE} to show no dividers. 285fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell */ 286d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye public void setShowDividers(@DividerMode int showDividers) { 2879df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov if (showDividers == mShowDividers) { 2889df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov return; 289fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 290fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mShowDividers = showDividers; 2919df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov 2929df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov setWillNotDraw(!isShowingDividers()); 2939df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov requestLayout(); 294fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 295fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 296e0a799a2ac1ca78e30fbac9e4e12a063425c08d3Patrick Dubroy @Override 297e0a799a2ac1ca78e30fbac9e4e12a063425c08d3Patrick Dubroy public boolean shouldDelayChildPressedState() { 298e0a799a2ac1ca78e30fbac9e4e12a063425c08d3Patrick Dubroy return false; 299e0a799a2ac1ca78e30fbac9e4e12a063425c08d3Patrick Dubroy } 300e0a799a2ac1ca78e30fbac9e4e12a063425c08d3Patrick Dubroy 301fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell /** 302fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell * @return A flag set indicating how dividers should be shown around items. 303fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell * @see #setShowDividers(int) 304fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell */ 305d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye @DividerMode 306fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell public int getShowDividers() { 307fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell return mShowDividers; 308fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 309fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 310fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell /** 3111018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne * @return the divider Drawable that will divide each item. 3121018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne * 3131018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne * @see #setDividerDrawable(Drawable) 3141018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne * 3151018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne * @attr ref android.R.styleable#LinearLayout_divider 3161018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne */ 3171018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne public Drawable getDividerDrawable() { 3181018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne return mDivider; 3191018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne } 3201018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne 3211018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne /** 322fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell * Set a drawable to be used as a divider between items. 3231018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne * 324fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell * @param divider Drawable that will divide each item. 3251018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne * 326fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell * @see #setShowDividers(int) 3271018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne * 3281018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne * @attr ref android.R.styleable#LinearLayout_divider 329fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell */ 330fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell public void setDividerDrawable(Drawable divider) { 331fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell if (divider == mDivider) { 332fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell return; 333fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 334fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mDivider = divider; 335fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell if (divider != null) { 336fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mDividerWidth = divider.getIntrinsicWidth(); 337fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mDividerHeight = divider.getIntrinsicHeight(); 338fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } else { 339fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mDividerWidth = 0; 340fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mDividerHeight = 0; 341fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 3429df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov 3439df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov setWillNotDraw(!isShowingDividers()); 344fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell requestLayout(); 345fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 346fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 347696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell /** 3489df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov * Set padding displayed on both ends of dividers. For a vertical layout, the padding is applied 3499df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov * to left and right end of dividers. For a horizontal layout, the padding is applied to top and 3509df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov * bottom end of dividers. 351696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * 352696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * @param padding Padding value in pixels that will be applied to each end 353696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * 354696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * @see #setShowDividers(int) 355696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * @see #setDividerDrawable(Drawable) 356696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * @see #getDividerPadding() 357696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell */ 358696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell public void setDividerPadding(int padding) { 3599df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov if (padding == mDividerPadding) { 3609df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov return; 3619df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov } 362696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell mDividerPadding = padding; 3639df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov 3649df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov if (isShowingDividers()) { 3659df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov requestLayout(); 3669df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov invalidate(); 3679df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov } 368696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 369696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 370696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell /** 371696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * Get the padding size used to inset dividers in pixels 372696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * 373696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * @see #setShowDividers(int) 374696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * @see #setDividerDrawable(Drawable) 375696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * @see #setDividerPadding(int) 376696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell */ 377696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell public int getDividerPadding() { 378696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell return mDividerPadding; 379696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 380696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 381640a66eac612b850b5dabd3b93bd94f83ed2d567Adam Powell /** 382640a66eac612b850b5dabd3b93bd94f83ed2d567Adam Powell * Get the width of the current divider drawable. 383640a66eac612b850b5dabd3b93bd94f83ed2d567Adam Powell * 384640a66eac612b850b5dabd3b93bd94f83ed2d567Adam Powell * @hide Used internally by framework. 385640a66eac612b850b5dabd3b93bd94f83ed2d567Adam Powell */ 386640a66eac612b850b5dabd3b93bd94f83ed2d567Adam Powell public int getDividerWidth() { 387640a66eac612b850b5dabd3b93bd94f83ed2d567Adam Powell return mDividerWidth; 388640a66eac612b850b5dabd3b93bd94f83ed2d567Adam Powell } 389640a66eac612b850b5dabd3b93bd94f83ed2d567Adam Powell 390fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell @Override 391fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell protected void onDraw(Canvas canvas) { 392fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell if (mDivider == null) { 393fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell return; 394fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 395fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 396fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell if (mOrientation == VERTICAL) { 397fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell drawDividersVertical(canvas); 398fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } else { 399fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell drawDividersHorizontal(canvas); 400fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 401fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 402fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 403fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell void drawDividersVertical(Canvas canvas) { 404fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell final int count = getVirtualChildCount(); 405fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell for (int i = 0; i < count; i++) { 406fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell final View child = getVirtualChildAt(i); 40735aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell if (child != null && child.getVisibility() != GONE) { 408696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell if (hasDividerBeforeChildAt(i)) { 40935aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 41020761fcdcd513a808e855708fe2e676e409beb36Vladimir Baryshnikov final int top = child.getTop() - lp.topMargin - mDividerHeight; 411fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell drawHorizontalDivider(canvas, top); 412fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 413fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 414fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 415fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 416696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell if (hasDividerBeforeChildAt(count)) { 417ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu final View child = getLastNonGoneChild(); 41835aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell int bottom = 0; 41935aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell if (child == null) { 42035aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell bottom = getHeight() - getPaddingBottom() - mDividerHeight; 42135aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell } else { 42235aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 42335aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell bottom = child.getBottom() + lp.bottomMargin; 42435aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell } 42535aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell drawHorizontalDivider(canvas, bottom); 426fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 427fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 428fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 429ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu /** 430ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu * Finds the last child that is not gone. The last child will be used as the reference for 431ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu * where the end divider should be drawn. 432ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu */ 433ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu private View getLastNonGoneChild() { 434ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu for (int i = getVirtualChildCount() - 1; i >= 0; i--) { 435ad52693cf3dfe3f5e84f5a22fe4c3787f2f2cbfbAlan Viverette final View child = getVirtualChildAt(i); 436ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu if (child != null && child.getVisibility() != GONE) { 437ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu return child; 438ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu } 439ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu } 440ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu return null; 441ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu } 442ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu 443fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell void drawDividersHorizontal(Canvas canvas) { 444fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell final int count = getVirtualChildCount(); 4454ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio final boolean isLayoutRtl = isLayoutRtl(); 446fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell for (int i = 0; i < count; i++) { 447fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell final View child = getVirtualChildAt(i); 44835aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell if (child != null && child.getVisibility() != GONE) { 449696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell if (hasDividerBeforeChildAt(i)) { 45035aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 4514ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio final int position; 4524ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio if (isLayoutRtl) { 4534ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio position = child.getRight() + lp.rightMargin; 4544ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio } else { 4554ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio position = child.getLeft() - lp.leftMargin - mDividerWidth; 4564ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio } 4574ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio drawVerticalDivider(canvas, position); 458fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 459fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 460fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 461fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 462696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell if (hasDividerBeforeChildAt(count)) { 463ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu final View child = getLastNonGoneChild(); 4644ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio int position; 46535aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell if (child == null) { 4664ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio if (isLayoutRtl) { 4674ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio position = getPaddingLeft(); 4684ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio } else { 4694ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio position = getWidth() - getPaddingRight() - mDividerWidth; 4704ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio } 47135aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell } else { 47235aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 4734ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio if (isLayoutRtl) { 4744ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio position = child.getLeft() - lp.leftMargin - mDividerWidth; 4754ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio } else { 4764ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio position = child.getRight() + lp.rightMargin; 4774ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio } 47835aecd5884a5ccfe380903e39f30f468315e8f92Adam Powell } 4794ab6968bb7014e6f4c6c4e4bd076626cf07f218bFabrice Di Meglio drawVerticalDivider(canvas, position); 480fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 481fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 482fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 483fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell void drawHorizontalDivider(Canvas canvas, int top) { 484fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mDivider.setBounds(getPaddingLeft() + mDividerPadding, top, 485fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell getWidth() - getPaddingRight() - mDividerPadding, top + mDividerHeight); 486fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mDivider.draw(canvas); 487fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 488fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 489fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell void drawVerticalDivider(Canvas canvas, int left) { 490fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mDivider.setBounds(left, getPaddingTop() + mDividerPadding, 491fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell left + mDividerWidth, getHeight() - getPaddingBottom() - mDividerPadding); 492fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mDivider.draw(canvas); 493fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 494fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 495fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell /** 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Indicates whether widgets contained within this layout are aligned 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on their baseline or not.</p> 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true when widgets are baseline-aligned, false otherwise 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isBaselineAligned() { 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mBaselineAligned; 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Defines whether widgets contained in this layout are 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * baseline-aligned or not.</p> 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param baselineAligned true to align widgets on their baseline, 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * false otherwise 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LinearLayout_baselineAligned 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setBaselineAligned(boolean baselineAligned) { 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBaselineAligned = baselineAligned; 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5199295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy /** 5209295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * When true, all children with a weight will be considered having 5219295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * the minimum size of the largest child. If false, all children are 5229295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * measured normally. 52399441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas * 5249295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * @return True to measure children with a weight using the minimum 5259295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * size of the largest child, false otherwise. 5261018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne * 5271018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne * @attr ref android.R.styleable#LinearLayout_measureWithLargestChild 5289295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy */ 5299295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy public boolean isMeasureWithLargestChildEnabled() { 5309295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy return mUseLargestChild; 5319295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy } 5329295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy 5339295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy /** 5349295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * When set to true, all children with a weight will be considered having 5359295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * the minimum size of the largest child. If false, all children are 5369295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * measured normally. 53799441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas * 5389295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * Disabled by default. 53999441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas * 5409295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * @param enabled True to measure children with a weight using the 5419295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy * minimum size of the largest child, false otherwise. 5421018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne * 5431018fb42cb4958511a141787705aa429c5ec9bd3Philip Milne * @attr ref android.R.styleable#LinearLayout_measureWithLargestChild 5449295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy */ 5459295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy @android.view.RemotableViewMethod 5469295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy public void setMeasureWithLargestChildEnabled(boolean enabled) { 5479295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy mUseLargestChild = enabled; 5489295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy } 5499295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getBaseline() { 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mBaselineAlignedChildIndex < 0) { 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.getBaseline(); 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() <= mBaselineAlignedChildIndex) { 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("mBaselineAlignedChildIndex of LinearLayout " 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "set to an index that is out of bounds."); 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(mBaselineAlignedChildIndex); 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childBaseline = child.getBaseline(); 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childBaseline == -1) { 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mBaselineAlignedChildIndex == 0) { 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // this is just the default case, safe to return -1 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the user picked an index that points to something that doesn't 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // know how to calculate its baseline. 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("mBaselineAlignedChildIndex of LinearLayout " 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "points to a View that doesn't know how to get its baseline."); 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: This should try to take into account the virtual offsets 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // (See getNextLocationOffset and getLocationOffset) 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We should add to childTop: 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // sum([getNextLocationOffset(getChildAt(i)) / i < mBaselineAlignedChildIndex]) 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // and also add: 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // getLocationOffset(child) 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childTop = mBaselineChildTop; 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOrientation == VERTICAL) { 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int majorGravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (majorGravity != Gravity.TOP) { 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (majorGravity) { 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case Gravity.BOTTOM: 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childTop = mBottom - mTop - mPaddingBottom - mTotalLength; 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case Gravity.CENTER_VERTICAL: 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childTop += ((mBottom - mTop - mPaddingTop - mPaddingBottom) - 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTotalLength) / 2; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) child.getLayoutParams(); 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return childTop + lp.topMargin + childBaseline; 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The index of the child that will be used if this layout is 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * part of a larger layout that is baseline aligned, or -1 if none has 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * been set. 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getBaselineAlignedChildIndex() { 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mBaselineAlignedChildIndex; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param i The index of the child that will be used if this layout is 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * part of a larger layout that is baseline aligned. 61599441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas * 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LinearLayout_baselineAlignedChildIndex 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setBaselineAlignedChildIndex(int i) { 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((i < 0) || (i >= getChildCount())) { 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("base aligned child index out " 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "of range (0, " + getChildCount() + ")"); 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBaselineAlignedChildIndex = i; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Returns the view at the specified index. This method can be overriden 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to take into account virtual children. Refer to 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.widget.TableLayout} and {@link android.widget.TableRow} 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for an example.</p> 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the child's index 634ad52693cf3dfe3f5e84f5a22fe4c3787f2f2cbfbAlan Viverette * @return the child at the specified index, may be {@code null} 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 636ad52693cf3dfe3f5e84f5a22fe4c3787f2f2cbfbAlan Viverette @Nullable 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View getVirtualChildAt(int index) { 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getChildAt(index); 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Returns the virtual number of children. This number might be different 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * than the actual number of children if the layout can hold virtual 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children. Refer to 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.widget.TableLayout} and {@link android.widget.TableRow} 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for an example.</p> 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the virtual number of children 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int getVirtualChildCount() { 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getChildCount(); 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the desired weights sum. 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A number greater than 0.0f if the weight sum is defined, or 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a number lower than or equals to 0.0f if not weight sum is 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be used. 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public float getWeightSum() { 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mWeightSum; 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the desired weights sum. If unspecified the weights sum is computed 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at layout time by adding the layout_weight of each child. 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This can be used for instance to give a single child 50% of the total 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * available space by giving it a layout_weight of 0.5 and setting the 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * weightSum to 1.0. 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param weightSum a number greater than 0.0f, or a number lower than or equals 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to 0.0f if the weight sum should be computed from the children's 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout_weight 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setWeightSum(float weightSum) { 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWeightSum = Math.max(0.0f, weightSum); 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOrientation == VERTICAL) { 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project measureVertical(widthMeasureSpec, heightMeasureSpec); 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project measureHorizontal(widthMeasureSpec, heightMeasureSpec); 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 692696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * Determines where to position dividers between children. 693696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * 694696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * @param childIndex Index of child to check for preceding divider 695696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * @return true if there should be a divider before the child at childIndex 696696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * @hide Pending API consideration. Currently only used internally by the system. 697696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell */ 698696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell protected boolean hasDividerBeforeChildAt(int childIndex) { 699ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu if (childIndex == getVirtualChildCount()) { 700ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu // Check whether the end divider should draw. 701696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell return (mShowDividers & SHOW_DIVIDER_END) != 0; 702ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu } 703ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu boolean allViewsAreGoneBefore = allViewsAreGoneBefore(childIndex); 704ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu if (allViewsAreGoneBefore) { 705ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu // This is the first view that's not gone, check if beginning divider is enabled. 706ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu return (mShowDividers & SHOW_DIVIDER_BEGINNING) != 0; 707ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu } else { 708ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu return (mShowDividers & SHOW_DIVIDER_MIDDLE) != 0; 709ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu } 710ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu } 711ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu 712ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu /** 713ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu * Checks whether all (virtual) child views before the given index are gone. 714ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu */ 715ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu private boolean allViewsAreGoneBefore(int childIndex) { 716ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu for (int i = childIndex - 1; i >= 0; i--) { 717ad52693cf3dfe3f5e84f5a22fe4c3787f2f2cbfbAlan Viverette final View child = getVirtualChildAt(i); 718f102d4266be803e16543c81df6f380bd4c447c86Doris Liu if (child != null && child.getVisibility() != GONE) { 719ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu return false; 720bf68f833fe835ce393264ecb2fdf3a7d8c38cfdeAdam Powell } 721696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 722ec6a4cdedab7faaf933dbbd86f7f74c7bd856bafDoris Liu return true; 723696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 724696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 725696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell /** 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Measures the children when the orientation of this LinearLayout is set 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to {@link #VERTICAL}. 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param widthMeasureSpec Horizontal space requirements as imposed by the parent. 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param heightMeasureSpec Vertical space requirements as imposed by the parent. 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getOrientation() 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setOrientation(int) 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onMeasure(int, int) 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void measureVertical(int widthMeasureSpec, int heightMeasureSpec) { 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTotalLength = 0; 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int maxWidth = 0; 739189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn int childState = 0; 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int alternativeMaxWidth = 0; 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int weightedMaxWidth = 0; 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean allFillParent = true; 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float totalWeight = 0; 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getVirtualChildCount(); 74699441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int widthMode = MeasureSpec.getMode(widthMeasureSpec); 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int heightMode = MeasureSpec.getMode(heightMeasureSpec); 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean matchWidth = false; 75165be9cc34c1619d3ba71726c821820f394b694abAlan Viverette boolean skippedMeasure = false; 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 75399441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas final int baselineChildIndex = mBaselineAlignedChildIndex; 7545b1b2417106f161e4bc66296888f4685f213eebdRomain Guy final boolean useLargestChild = mUseLargestChild; 7555b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 7565b1b2417106f161e4bc66296888f4685f213eebdRomain Guy int largestChildHeight = Integer.MIN_VALUE; 75740e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette int consumedExcessSpace = 0; 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7599df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov int nonSkippedChildCount = 0; 7609df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See how tall everyone is. Also remember max width. 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; ++i) { 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getVirtualChildAt(i); 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child == null) { 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTotalLength += measureNullChild(i); 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.getVisibility() == View.GONE) { 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i += getChildrenSkipCount(child, i); 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7749df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov nonSkippedChildCount++; 775696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell if (hasDividerBeforeChildAt(i)) { 776fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mTotalLength += mDividerHeight; 777fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 778fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 77940e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 78061c41bf6175222c265973b5fb0063b3e3c5d02c8Alan Viverette 78161c41bf6175222c265973b5fb0063b3e3c5d02c8Alan Viverette totalWeight += lp.weight; 78240e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette 78340e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final boolean useExcessSpace = lp.height == 0 && lp.weight > 0; 78440e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette if (heightMode == MeasureSpec.EXACTLY && useExcessSpace) { 78540e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // Optimization: don't bother measuring children who are only 78640e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // laid out using excess space. These views will get measured 78740e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // later if we have space to distribute. 788053b48051abab0abd85995a23fcbc172e8c4c57fRomain Guy final int totalLength = mTotalLength; 789053b48051abab0abd85995a23fcbc172e8c4c57fRomain Guy mTotalLength = Math.max(totalLength, totalLength + lp.topMargin + lp.bottomMargin); 79065be9cc34c1619d3ba71726c821820f394b694abAlan Viverette skippedMeasure = true; 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 79240e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette if (useExcessSpace) { 79340e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // The heightMode is either UNSPECIFIED or AT_MOST, and 79440e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // this child is only laid out using excess space. Measure 79540e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // using WRAP_CONTENT so that we can find out the view's 79640e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // optimal height. We'll restore the original height of 0 79740e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // after measurement. 798f5c6eff63d19a9f7a970a4f90619edac873c006dGilles Debunne lp.height = LayoutParams.WRAP_CONTENT; 7995b1b2417106f161e4bc66296888f4685f213eebdRomain Guy } 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 801f5c6eff63d19a9f7a970a4f90619edac873c006dGilles Debunne // Determine how big this child would like to be. If this or 8025b1b2417106f161e4bc66296888f4685f213eebdRomain Guy // previous children have given a weight, then we allow it to 8035b1b2417106f161e4bc66296888f4685f213eebdRomain Guy // use all available space (and we will shrink things later 8045b1b2417106f161e4bc66296888f4685f213eebdRomain Guy // if needed). 80540e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final int usedHeight = totalWeight == 0 ? mTotalLength : 0; 80640e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette measureChildBeforeLayout(child, i, widthMeasureSpec, 0, 80740e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette heightMeasureSpec, usedHeight); 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 80940e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final int childHeight = child.getMeasuredHeight(); 81040e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette if (useExcessSpace) { 81140e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // Restore the original height and record how much space 81240e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // we've allocated to excess-only children so that we can 81340e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // match the behavior of EXACTLY measurement. 81440e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette lp.height = 0; 81540e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette consumedExcessSpace += childHeight; 8165b1b2417106f161e4bc66296888f4685f213eebdRomain Guy } 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 818053b48051abab0abd85995a23fcbc172e8c4c57fRomain Guy final int totalLength = mTotalLength; 819053b48051abab0abd85995a23fcbc172e8c4c57fRomain Guy mTotalLength = Math.max(totalLength, totalLength + childHeight + lp.topMargin + 820053b48051abab0abd85995a23fcbc172e8c4c57fRomain Guy lp.bottomMargin + getNextLocationOffset(child)); 8215b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 8225b1b2417106f161e4bc66296888f4685f213eebdRomain Guy if (useLargestChild) { 8235b1b2417106f161e4bc66296888f4685f213eebdRomain Guy largestChildHeight = Math.max(childHeight, largestChildHeight); 8245b1b2417106f161e4bc66296888f4685f213eebdRomain Guy } 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If applicable, compute the additional offset to the child's baseline 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * we'll need later when asked {@link #getBaseline}. 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((baselineChildIndex >= 0) && (baselineChildIndex == i + 1)) { 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBaselineChildTop = mTotalLength; 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if we are trying to use a child index for our baseline, the above 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // book keeping only works if there are no children above it with 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // weight. fail fast to aid the developer. 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i < baselineChildIndex && lp.weight > 0) { 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("A child of LinearLayout with index " 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "less than mBaselineAlignedChildIndex has weight > 0, which " 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "won't work. Either remove the weight, or don't set " 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "mBaselineAlignedChildIndex."); 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean matchWidthLocally = false; 846980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy if (widthMode != MeasureSpec.EXACTLY && lp.width == LayoutParams.MATCH_PARENT) { 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The width of the linear layout will scale, and at least one 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // child said it wanted to match our width. Set a flag 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // indicating that we need to remeasure at least that view when 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we know our width. 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matchWidth = true; 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matchWidthLocally = true; 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int margin = lp.leftMargin + lp.rightMargin; 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int measuredWidth = child.getMeasuredWidth() + margin; 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxWidth = Math.max(maxWidth, measuredWidth); 858189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn childState = combineMeasuredStates(childState, child.getMeasuredState()); 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 860980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy allFillParent = allFillParent && lp.width == LayoutParams.MATCH_PARENT; 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lp.weight > 0) { 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Widths of weighted Views are bogus if we end up 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * remeasuring, so keep them separate. 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project weightedMaxWidth = Math.max(weightedMaxWidth, 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matchWidthLocally ? margin : measuredWidth); 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alternativeMaxWidth = Math.max(alternativeMaxWidth, 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matchWidthLocally ? margin : measuredWidth); 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i += getChildrenSkipCount(child, i); 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8755b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 8769df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov if (nonSkippedChildCount > 0 && hasDividerBeforeChildAt(count)) { 877fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mTotalLength += mDividerHeight; 878fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 879fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 880f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell if (useLargestChild && 881f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell (heightMode == MeasureSpec.AT_MOST || heightMode == MeasureSpec.UNSPECIFIED)) { 8825b1b2417106f161e4bc66296888f4685f213eebdRomain Guy mTotalLength = 0; 8835b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 8845b1b2417106f161e4bc66296888f4685f213eebdRomain Guy for (int i = 0; i < count; ++i) { 8855b1b2417106f161e4bc66296888f4685f213eebdRomain Guy final View child = getVirtualChildAt(i); 8865b1b2417106f161e4bc66296888f4685f213eebdRomain Guy if (child == null) { 8875b1b2417106f161e4bc66296888f4685f213eebdRomain Guy mTotalLength += measureNullChild(i); 8885b1b2417106f161e4bc66296888f4685f213eebdRomain Guy continue; 8895b1b2417106f161e4bc66296888f4685f213eebdRomain Guy } 8905b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 8915b1b2417106f161e4bc66296888f4685f213eebdRomain Guy if (child.getVisibility() == GONE) { 8925b1b2417106f161e4bc66296888f4685f213eebdRomain Guy i += getChildrenSkipCount(child, i); 8935b1b2417106f161e4bc66296888f4685f213eebdRomain Guy continue; 8945b1b2417106f161e4bc66296888f4685f213eebdRomain Guy } 8955b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 8965b1b2417106f161e4bc66296888f4685f213eebdRomain Guy final LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) 8975b1b2417106f161e4bc66296888f4685f213eebdRomain Guy child.getLayoutParams(); 898053b48051abab0abd85995a23fcbc172e8c4c57fRomain Guy // Account for negative margins 899053b48051abab0abd85995a23fcbc172e8c4c57fRomain Guy final int totalLength = mTotalLength; 900053b48051abab0abd85995a23fcbc172e8c4c57fRomain Guy mTotalLength = Math.max(totalLength, totalLength + largestChildHeight + 901053b48051abab0abd85995a23fcbc172e8c4c57fRomain Guy lp.topMargin + lp.bottomMargin + getNextLocationOffset(child)); 9025b1b2417106f161e4bc66296888f4685f213eebdRomain Guy } 9035b1b2417106f161e4bc66296888f4685f213eebdRomain Guy } 9045b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Add in our padding 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTotalLength += mPaddingTop + mPaddingBottom; 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int heightSize = mTotalLength; 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check against our minimum height 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project heightSize = Math.max(heightSize, getSuggestedMinimumHeight()); 91299441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Reconcile our calculated size with the heightMeasureSpec 914189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn int heightSizeAndState = resolveSizeAndState(heightSize, heightMeasureSpec, 0); 915189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn heightSize = heightSizeAndState & MEASURED_SIZE_MASK; 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Either expand children with weight to take up available space or 91765be9cc34c1619d3ba71726c821820f394b694abAlan Viverette // shrink them if they extend beyond our current bounds. If we skipped 91865be9cc34c1619d3ba71726c821820f394b694abAlan Viverette // measurement on any children, we need to measure them now. 919918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette int remainingExcess = heightSize - mTotalLength 92040e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette + (mAllowInconsistentMeasurement ? 0 : consumedExcessSpace); 921918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette if (skippedMeasure || remainingExcess != 0 && totalWeight > 0.0f) { 922918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette float remainingWeightSum = mWeightSum > 0.0f ? mWeightSum : totalWeight; 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTotalLength = 0; 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; ++i) { 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getVirtualChildAt(i); 92840e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette if (child == null || child.getVisibility() == View.GONE) { 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9315a969dfd8e45f6650d3dc35d3438d13754c70c2eAlan Viverette 93240e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 933918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette final float childWeight = lp.weight; 934918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette if (childWeight > 0) { 93561c41bf6175222c265973b5fb0063b3e3c5d02c8Alan Viverette final int share = (int) (childWeight * remainingExcess / remainingWeightSum); 936918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette remainingExcess -= share; 937918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette remainingWeightSum -= childWeight; 938918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette 93940e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final int childHeight; 940070b22bdeebfc3b69b38fe30df0f026e628e847bAlan Viverette if (mUseLargestChild && heightMode != MeasureSpec.EXACTLY) { 941070b22bdeebfc3b69b38fe30df0f026e628e847bAlan Viverette childHeight = largestChildHeight; 942070b22bdeebfc3b69b38fe30df0f026e628e847bAlan Viverette } else if (lp.height == 0 && (!mAllowInconsistentMeasurement 94340e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette || heightMode == MeasureSpec.EXACTLY)) { 94440e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // This child needs to be laid out from scratch using 94540e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // only its share of excess space. 94640e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette childHeight = share; 9475a969dfd8e45f6650d3dc35d3438d13754c70c2eAlan Viverette } else { 94840e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // This child had some intrinsic height to which we 94940e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // need to add its share of excess space. 95040e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette childHeight = child.getMeasuredHeight() + share; 9515a969dfd8e45f6650d3dc35d3438d13754c70c2eAlan Viverette } 952189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn 95340e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final int childHeightMeasureSpec = MeasureSpec.makeMeasureSpec( 95440e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette Math.max(0, childHeight), MeasureSpec.EXACTLY); 95540e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final int childWidthMeasureSpec = getChildMeasureSpec(widthMeasureSpec, 95640e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette mPaddingLeft + mPaddingRight + lp.leftMargin + lp.rightMargin, 95740e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette lp.width); 95840e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette child.measure(childWidthMeasureSpec, childHeightMeasureSpec); 95940e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette 960189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn // Child may now not fit in vertical dimension. 961189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn childState = combineMeasuredStates(childState, child.getMeasuredState() 962189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn & (MEASURED_STATE_MASK>>MEASURED_HEIGHT_STATE_SHIFT)); 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int margin = lp.leftMargin + lp.rightMargin; 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int measuredWidth = child.getMeasuredWidth() + margin; 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxWidth = Math.max(maxWidth, measuredWidth); 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean matchWidthLocally = widthMode != MeasureSpec.EXACTLY && 970980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy lp.width == LayoutParams.MATCH_PARENT; 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alternativeMaxWidth = Math.max(alternativeMaxWidth, 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matchWidthLocally ? margin : measuredWidth); 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 975980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy allFillParent = allFillParent && lp.width == LayoutParams.MATCH_PARENT; 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 977053b48051abab0abd85995a23fcbc172e8c4c57fRomain Guy final int totalLength = mTotalLength; 978053b48051abab0abd85995a23fcbc172e8c4c57fRomain Guy mTotalLength = Math.max(totalLength, totalLength + child.getMeasuredHeight() + 979053b48051abab0abd85995a23fcbc172e8c4c57fRomain Guy lp.topMargin + lp.bottomMargin + getNextLocationOffset(child)); 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Add in our padding 983053b48051abab0abd85995a23fcbc172e8c4c57fRomain Guy mTotalLength += mPaddingTop + mPaddingBottom; 984053b48051abab0abd85995a23fcbc172e8c4c57fRomain Guy // TODO: Should we recompute the heightSpec based on the new total length? 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alternativeMaxWidth = Math.max(alternativeMaxWidth, 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project weightedMaxWidth); 988f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell 989f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell 990f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell // We have no limit, so make all weighted views as tall as the largest child. 991f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell // Children will have already been measured once. 992eabc9198447c7f6253fcbee8af2887a650e79b00Adam Powell if (useLargestChild && heightMode != MeasureSpec.EXACTLY) { 993f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell for (int i = 0; i < count; i++) { 994f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell final View child = getVirtualChildAt(i); 995f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell if (child == null || child.getVisibility() == View.GONE) { 996f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell continue; 997f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell } 998f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell 999f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell final LinearLayout.LayoutParams lp = 1000f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell (LinearLayout.LayoutParams) child.getLayoutParams(); 1001f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell 1002f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell float childExtra = lp.weight; 1003f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell if (childExtra > 0) { 1004f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell child.measure( 1005f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell MeasureSpec.makeMeasureSpec(child.getMeasuredWidth(), 1006f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell MeasureSpec.EXACTLY), 1007f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell MeasureSpec.makeMeasureSpec(largestChildHeight, 1008f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell MeasureSpec.EXACTLY)); 1009f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell } 1010f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell } 1011f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell } 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!allFillParent && widthMode != MeasureSpec.EXACTLY) { 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxWidth = alternativeMaxWidth; 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 101799441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxWidth += mPaddingLeft + mPaddingRight; 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check against our minimum width 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxWidth = Math.max(maxWidth, getSuggestedMinimumWidth()); 102299441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 1023189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn setMeasuredDimension(resolveSizeAndState(maxWidth, widthMeasureSpec, childState), 1024189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn heightSizeAndState); 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (matchWidth) { 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project forceUniformWidth(count, heightMeasureSpec); 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void forceUniformWidth(int count, int heightMeasureSpec) { 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Pretend that the linear layout has an exact size. 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int uniformMeasureSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MeasureSpec.EXACTLY); 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i< count; ++i) { 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getVirtualChildAt(i); 1037ad52693cf3dfe3f5e84f5a22fe4c3787f2f2cbfbAlan Viverette if (child != null && child.getVisibility() != GONE) { 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LinearLayout.LayoutParams lp = ((LinearLayout.LayoutParams)child.getLayoutParams()); 103999441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 1040980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy if (lp.width == LayoutParams.MATCH_PARENT) { 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Temporarily force children to reuse their old measured height 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME: this may not be right for something like wrapping text? 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int oldHeight = lp.height; 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lp.height = child.getMeasuredHeight(); 104599441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remeasue with new dimensions 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project measureChildWithMargins(child, uniformMeasureSpec, 0, heightMeasureSpec, 0); 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lp.height = oldHeight; 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Measures the children when the orientation of this LinearLayout is set 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to {@link #HORIZONTAL}. 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param widthMeasureSpec Horizontal space requirements as imposed by the parent. 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param heightMeasureSpec Vertical space requirements as imposed by the parent. 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getOrientation() 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setOrientation(int) 106399441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas * @see #onMeasure(int, int) 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void measureHorizontal(int widthMeasureSpec, int heightMeasureSpec) { 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTotalLength = 0; 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int maxHeight = 0; 1068189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn int childState = 0; 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int alternativeMaxHeight = 0; 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int weightedMaxHeight = 0; 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean allFillParent = true; 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float totalWeight = 0; 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getVirtualChildCount(); 107599441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int widthMode = MeasureSpec.getMode(widthMeasureSpec); 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int heightMode = MeasureSpec.getMode(heightMeasureSpec); 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean matchHeight = false; 108065be9cc34c1619d3ba71726c821820f394b694abAlan Viverette boolean skippedMeasure = false; 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMaxAscent == null || mMaxDescent == null) { 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaxAscent = new int[VERTICAL_GRAVITY_COUNT]; 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaxDescent = new int[VERTICAL_GRAVITY_COUNT]; 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int[] maxAscent = mMaxAscent; 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int[] maxDescent = mMaxDescent; 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxAscent[0] = maxAscent[1] = maxAscent[2] = maxAscent[3] = -1; 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxDescent[0] = maxDescent[1] = maxDescent[2] = maxDescent[3] = -1; 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean baselineAligned = mBaselineAligned; 10945b1b2417106f161e4bc66296888f4685f213eebdRomain Guy final boolean useLargestChild = mUseLargestChild; 109599441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 1096c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy final boolean isExactly = widthMode == MeasureSpec.EXACTLY; 10975b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 10985b1b2417106f161e4bc66296888f4685f213eebdRomain Guy int largestChildWidth = Integer.MIN_VALUE; 109940e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette int usedExcessSpace = 0; 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11019df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov int nonSkippedChildCount = 0; 11029df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See how wide everyone is. Also remember max height. 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; ++i) { 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getVirtualChildAt(i); 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child == null) { 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTotalLength += measureNullChild(i); 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 111099441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.getVisibility() == GONE) { 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i += getChildrenSkipCount(child, i); 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11169df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov nonSkippedChildCount++; 1117696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell if (hasDividerBeforeChildAt(i)) { 1118fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mTotalLength += mDividerWidth; 1119fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 1120fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 112140e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 112261c41bf6175222c265973b5fb0063b3e3c5d02c8Alan Viverette 112361c41bf6175222c265973b5fb0063b3e3c5d02c8Alan Viverette totalWeight += lp.weight; 112440e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette 112540e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final boolean useExcessSpace = lp.width == 0 && lp.weight > 0; 112640e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette if (widthMode == MeasureSpec.EXACTLY && useExcessSpace) { 112740e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // Optimization: don't bother measuring children who are only 112840e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // laid out using excess space. These views will get measured 112940e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // later if we have space to distribute. 1130c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy if (isExactly) { 1131c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy mTotalLength += lp.leftMargin + lp.rightMargin; 1132c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy } else { 1133c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy final int totalLength = mTotalLength; 1134c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy mTotalLength = Math.max(totalLength, totalLength + 1135c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy lp.leftMargin + lp.rightMargin); 1136c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy } 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Baseline alignment requires to measure widgets to obtain the 11396c5664ac58463fefb580acd0d9b5550b25511f85Romain Guy // baseline offset (in particular for TextViews). The following 11406c5664ac58463fefb580acd0d9b5550b25511f85Romain Guy // defeats the optimization mentioned above. Allow the child to 11416c5664ac58463fefb580acd0d9b5550b25511f85Romain Guy // use as much space as it wants because we can shrink things 11426c5664ac58463fefb580acd0d9b5550b25511f85Romain Guy // later (and re-measure). 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (baselineAligned) { 1144d5dbf4b2a09c9cf2d17fa6af3fdf75d1fb774056Adam Powell final int freeWidthSpec = MeasureSpec.makeSafeMeasureSpec( 1145b6824bf58a0cd34395993fa204217e8e246de6fbFilip Gruszczynski MeasureSpec.getSize(widthMeasureSpec), MeasureSpec.UNSPECIFIED); 1146d5dbf4b2a09c9cf2d17fa6af3fdf75d1fb774056Adam Powell final int freeHeightSpec = MeasureSpec.makeSafeMeasureSpec( 1147b6824bf58a0cd34395993fa204217e8e246de6fbFilip Gruszczynski MeasureSpec.getSize(heightMeasureSpec), MeasureSpec.UNSPECIFIED); 1148b6824bf58a0cd34395993fa204217e8e246de6fbFilip Gruszczynski child.measure(freeWidthSpec, freeHeightSpec); 114965be9cc34c1619d3ba71726c821820f394b694abAlan Viverette } else { 115065be9cc34c1619d3ba71726c821820f394b694abAlan Viverette skippedMeasure = true; 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 115340e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette if (useExcessSpace) { 115440e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // The widthMode is either UNSPECIFIED or AT_MOST, and 115540e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // this child is only laid out using excess space. Measure 115640e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // using WRAP_CONTENT so that we can find out the view's 115740e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // optimal width. We'll restore the original width of 0 115840e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // after measurement. 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lp.width = LayoutParams.WRAP_CONTENT; 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Determine how big this child would like to be. If this or 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // previous children have given a weight, then we allow it to 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // use all available space (and we will shrink things later 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if needed). 116640e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final int usedWidth = totalWeight == 0 ? mTotalLength : 0; 116740e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette measureChildBeforeLayout(child, i, widthMeasureSpec, usedWidth, 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project heightMeasureSpec, 0); 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 117040e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final int childWidth = child.getMeasuredWidth(); 117140e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette if (useExcessSpace) { 117240e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // Restore the original width and record how much space 117340e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // we've allocated to excess-only children so that we can 117440e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // match the behavior of EXACTLY measurement. 117540e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette lp.width = 0; 117640e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette usedExcessSpace += childWidth; 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11785b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 1179c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy if (isExactly) { 118040e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette mTotalLength += childWidth + lp.leftMargin + lp.rightMargin 118140e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette + getNextLocationOffset(child); 1182c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy } else { 1183c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy final int totalLength = mTotalLength; 118440e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette mTotalLength = Math.max(totalLength, totalLength + childWidth + lp.leftMargin 118540e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette + lp.rightMargin + getNextLocationOffset(child)); 1186c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy } 11875b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 11885b1b2417106f161e4bc66296888f4685f213eebdRomain Guy if (useLargestChild) { 11895b1b2417106f161e4bc66296888f4685f213eebdRomain Guy largestChildWidth = Math.max(childWidth, largestChildWidth); 11905b1b2417106f161e4bc66296888f4685f213eebdRomain Guy } 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean matchHeightLocally = false; 1194980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy if (heightMode != MeasureSpec.EXACTLY && lp.height == LayoutParams.MATCH_PARENT) { 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The height of the linear layout will scale, and at least one 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // child said it wanted to match our height. Set a flag indicating that 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we need to remeasure at least that view when we know our height. 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matchHeight = true; 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matchHeightLocally = true; 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int margin = lp.topMargin + lp.bottomMargin; 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childHeight = child.getMeasuredHeight() + margin; 1204189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn childState = combineMeasuredStates(childState, child.getMeasuredState()); 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (baselineAligned) { 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childBaseline = child.getBaseline(); 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childBaseline != -1) { 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Translates the child's vertical gravity into an index 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // in the range 0..VERTICAL_GRAVITY_COUNT 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int gravity = (lp.gravity < 0 ? mGravity : lp.gravity) 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project & Gravity.VERTICAL_GRAVITY_MASK; 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int index = ((gravity >> Gravity.AXIS_Y_SHIFT) 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project & ~Gravity.AXIS_SPECIFIED) >> 1; 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxAscent[index] = Math.max(maxAscent[index], childBaseline); 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxDescent[index] = Math.max(maxDescent[index], childHeight - childBaseline); 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxHeight = Math.max(maxHeight, childHeight); 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1223980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy allFillParent = allFillParent && lp.height == LayoutParams.MATCH_PARENT; 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lp.weight > 0) { 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Heights of weighted Views are bogus if we end up 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * remeasuring, so keep them separate. 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project weightedMaxHeight = Math.max(weightedMaxHeight, 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matchHeightLocally ? margin : childHeight); 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alternativeMaxHeight = Math.max(alternativeMaxHeight, 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matchHeightLocally ? margin : childHeight); 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i += getChildrenSkipCount(child, i); 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12399df0846498b2be2e03c487d0dba73c1d7c20f39cKirill Grouchnikov if (nonSkippedChildCount > 0 && hasDividerBeforeChildAt(count)) { 1240fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell mTotalLength += mDividerWidth; 1241fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 1242fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check mMaxAscent[INDEX_TOP] first because it maps to Gravity.TOP, 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the most common case 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (maxAscent[INDEX_TOP] != -1 || 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxAscent[INDEX_CENTER_VERTICAL] != -1 || 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxAscent[INDEX_BOTTOM] != -1 || 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxAscent[INDEX_FILL] != -1) { 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int ascent = Math.max(maxAscent[INDEX_FILL], 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Math.max(maxAscent[INDEX_CENTER_VERTICAL], 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Math.max(maxAscent[INDEX_TOP], maxAscent[INDEX_BOTTOM]))); 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int descent = Math.max(maxDescent[INDEX_FILL], 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Math.max(maxDescent[INDEX_CENTER_VERTICAL], 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Math.max(maxDescent[INDEX_TOP], maxDescent[INDEX_BOTTOM]))); 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxHeight = Math.max(maxHeight, ascent + descent); 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1258f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell if (useLargestChild && 1259f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell (widthMode == MeasureSpec.AT_MOST || widthMode == MeasureSpec.UNSPECIFIED)) { 12605b1b2417106f161e4bc66296888f4685f213eebdRomain Guy mTotalLength = 0; 12615b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 12625b1b2417106f161e4bc66296888f4685f213eebdRomain Guy for (int i = 0; i < count; ++i) { 12635b1b2417106f161e4bc66296888f4685f213eebdRomain Guy final View child = getVirtualChildAt(i); 12645b1b2417106f161e4bc66296888f4685f213eebdRomain Guy if (child == null) { 12655b1b2417106f161e4bc66296888f4685f213eebdRomain Guy mTotalLength += measureNullChild(i); 12665b1b2417106f161e4bc66296888f4685f213eebdRomain Guy continue; 12675b1b2417106f161e4bc66296888f4685f213eebdRomain Guy } 12685b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 12695b1b2417106f161e4bc66296888f4685f213eebdRomain Guy if (child.getVisibility() == GONE) { 12705b1b2417106f161e4bc66296888f4685f213eebdRomain Guy i += getChildrenSkipCount(child, i); 12715b1b2417106f161e4bc66296888f4685f213eebdRomain Guy continue; 12725b1b2417106f161e4bc66296888f4685f213eebdRomain Guy } 12735b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 12745b1b2417106f161e4bc66296888f4685f213eebdRomain Guy final LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) 12755b1b2417106f161e4bc66296888f4685f213eebdRomain Guy child.getLayoutParams(); 1276c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy if (isExactly) { 1277c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy mTotalLength += largestChildWidth + lp.leftMargin + lp.rightMargin + 1278c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy getNextLocationOffset(child); 1279c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy } else { 1280c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy final int totalLength = mTotalLength; 1281c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy mTotalLength = Math.max(totalLength, totalLength + largestChildWidth + 1282c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy lp.leftMargin + lp.rightMargin + getNextLocationOffset(child)); 1283c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy } 12845b1b2417106f161e4bc66296888f4685f213eebdRomain Guy } 12855b1b2417106f161e4bc66296888f4685f213eebdRomain Guy } 12865b1b2417106f161e4bc66296888f4685f213eebdRomain Guy 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Add in our padding 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTotalLength += mPaddingLeft + mPaddingRight; 128999441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int widthSize = mTotalLength; 129199441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check against our minimum width 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widthSize = Math.max(widthSize, getSuggestedMinimumWidth()); 129499441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Reconcile our calculated size with the widthMeasureSpec 1296189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn int widthSizeAndState = resolveSizeAndState(widthSize, widthMeasureSpec, 0); 1297189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn widthSize = widthSizeAndState & MEASURED_SIZE_MASK; 129899441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Either expand children with weight to take up available space or 130065be9cc34c1619d3ba71726c821820f394b694abAlan Viverette // shrink them if they extend beyond our current bounds. If we skipped 130165be9cc34c1619d3ba71726c821820f394b694abAlan Viverette // measurement on any children, we need to measure them now. 1302918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette int remainingExcess = widthSize - mTotalLength 130340e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette + (mAllowInconsistentMeasurement ? 0 : usedExcessSpace); 1304918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette if (skippedMeasure || remainingExcess != 0 && totalWeight > 0.0f) { 1305918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette float remainingWeightSum = mWeightSum > 0.0f ? mWeightSum : totalWeight; 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxAscent[0] = maxAscent[1] = maxAscent[2] = maxAscent[3] = -1; 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxDescent[0] = maxDescent[1] = maxDescent[2] = maxDescent[3] = -1; 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxHeight = -1; 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTotalLength = 0; 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; ++i) { 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getVirtualChildAt(i); 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child == null || child.getVisibility() == View.GONE) { 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 131940e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1320918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette final float childWeight = lp.weight; 1321918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette if (childWeight > 0) { 132261c41bf6175222c265973b5fb0063b3e3c5d02c8Alan Viverette final int share = (int) (childWeight * remainingExcess / remainingWeightSum); 1323918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette remainingExcess -= share; 1324918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette remainingWeightSum -= childWeight; 1325918f88696668e66de4eb72dabf16a5ad68cc0cc1Alan Viverette 132640e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final int childWidth; 1327070b22bdeebfc3b69b38fe30df0f026e628e847bAlan Viverette if (mUseLargestChild && widthMode != MeasureSpec.EXACTLY) { 1328070b22bdeebfc3b69b38fe30df0f026e628e847bAlan Viverette childWidth = largestChildWidth; 1329070b22bdeebfc3b69b38fe30df0f026e628e847bAlan Viverette } else if (lp.width == 0 && (!mAllowInconsistentMeasurement 133040e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette || widthMode == MeasureSpec.EXACTLY)) { 133140e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // This child needs to be laid out from scratch using 133240e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // only its share of excess space. 133340e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette childWidth = share; 133440e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette } else { 133540e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // This child had some intrinsic width to which we 133640e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette // need to add its share of excess space. 133740e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette childWidth = child.getMeasuredWidth() + share; 133840e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette } 13395a969dfd8e45f6650d3dc35d3438d13754c70c2eAlan Viverette 134040e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec( 134140e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette Math.max(0, childWidth), MeasureSpec.EXACTLY); 134240e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette final int childHeightMeasureSpec = getChildMeasureSpec(heightMeasureSpec, 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPaddingTop + mPaddingBottom + lp.topMargin + lp.bottomMargin, 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lp.height); 134540e1df34a9549a25020a325d0abc4d43c5a6b6e2Alan Viverette child.measure(childWidthMeasureSpec, childHeightMeasureSpec); 1346189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn 1347189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn // Child may now not fit in horizontal dimension. 1348189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn childState = combineMeasuredStates(childState, 1349189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn child.getMeasuredState() & MEASURED_STATE_MASK); 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1352c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy if (isExactly) { 1353c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy mTotalLength += child.getMeasuredWidth() + lp.leftMargin + lp.rightMargin + 1354c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy getNextLocationOffset(child); 1355c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy } else { 1356c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy final int totalLength = mTotalLength; 1357c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy mTotalLength = Math.max(totalLength, totalLength + child.getMeasuredWidth() + 1358c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy lp.leftMargin + lp.rightMargin + getNextLocationOffset(child)); 1359c352090c49b50a70aaddeb428bd5e27f7419884fRomain Guy } 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean matchHeightLocally = heightMode != MeasureSpec.EXACTLY && 1362980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy lp.height == LayoutParams.MATCH_PARENT; 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int margin = lp.topMargin + lp .bottomMargin; 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childHeight = child.getMeasuredHeight() + margin; 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxHeight = Math.max(maxHeight, childHeight); 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alternativeMaxHeight = Math.max(alternativeMaxHeight, 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matchHeightLocally ? margin : childHeight); 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1370980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy allFillParent = allFillParent && lp.height == LayoutParams.MATCH_PARENT; 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (baselineAligned) { 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childBaseline = child.getBaseline(); 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childBaseline != -1) { 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Translates the child's vertical gravity into an index in the range 0..2 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int gravity = (lp.gravity < 0 ? mGravity : lp.gravity) 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project & Gravity.VERTICAL_GRAVITY_MASK; 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int index = ((gravity >> Gravity.AXIS_Y_SHIFT) 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project & ~Gravity.AXIS_SPECIFIED) >> 1; 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxAscent[index] = Math.max(maxAscent[index], childBaseline); 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxDescent[index] = Math.max(maxDescent[index], 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childHeight - childBaseline); 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Add in our padding 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTotalLength += mPaddingLeft + mPaddingRight; 1390053b48051abab0abd85995a23fcbc172e8c4c57fRomain Guy // TODO: Should we update widthSize with the new total length? 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check mMaxAscent[INDEX_TOP] first because it maps to Gravity.TOP, 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the most common case 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (maxAscent[INDEX_TOP] != -1 || 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxAscent[INDEX_CENTER_VERTICAL] != -1 || 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxAscent[INDEX_BOTTOM] != -1 || 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxAscent[INDEX_FILL] != -1) { 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int ascent = Math.max(maxAscent[INDEX_FILL], 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Math.max(maxAscent[INDEX_CENTER_VERTICAL], 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Math.max(maxAscent[INDEX_TOP], maxAscent[INDEX_BOTTOM]))); 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int descent = Math.max(maxDescent[INDEX_FILL], 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Math.max(maxDescent[INDEX_CENTER_VERTICAL], 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Math.max(maxDescent[INDEX_TOP], maxDescent[INDEX_BOTTOM]))); 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxHeight = Math.max(maxHeight, ascent + descent); 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alternativeMaxHeight = Math.max(alternativeMaxHeight, weightedMaxHeight); 1408f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell 1409f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell // We have no limit, so make all weighted views as wide as the largest child. 1410f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell // Children will have already been measured once. 1411eabc9198447c7f6253fcbee8af2887a650e79b00Adam Powell if (useLargestChild && widthMode != MeasureSpec.EXACTLY) { 1412f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell for (int i = 0; i < count; i++) { 1413f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell final View child = getVirtualChildAt(i); 1414f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell if (child == null || child.getVisibility() == View.GONE) { 1415f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell continue; 1416f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell } 1417f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell 1418f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell final LinearLayout.LayoutParams lp = 1419f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell (LinearLayout.LayoutParams) child.getLayoutParams(); 1420f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell 1421f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell float childExtra = lp.weight; 1422f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell if (childExtra > 0) { 1423f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell child.measure( 1424f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell MeasureSpec.makeMeasureSpec(largestChildWidth, MeasureSpec.EXACTLY), 1425f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell MeasureSpec.makeMeasureSpec(child.getMeasuredHeight(), 1426f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell MeasureSpec.EXACTLY)); 1427f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell } 1428f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell } 1429f8ac6b7394cfd37f01471bb35475ff2930eee140Adam Powell } 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!allFillParent && heightMode != MeasureSpec.EXACTLY) { 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxHeight = alternativeMaxHeight; 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 143599441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxHeight += mPaddingTop + mPaddingBottom; 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check against our minimum height 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxHeight = Math.max(maxHeight, getSuggestedMinimumHeight()); 144099441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 1441189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn setMeasuredDimension(widthSizeAndState | (childState&MEASURED_STATE_MASK), 1442189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn resolveSizeAndState(maxHeight, heightMeasureSpec, 1443189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn (childState<<MEASURED_HEIGHT_STATE_SHIFT))); 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (matchHeight) { 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project forceUniformHeight(count, widthMeasureSpec); 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void forceUniformHeight(int count, int widthMeasureSpec) { 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Pretend that the linear layout has an exact size. This is the measured height of 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ourselves. The measured height should be the max height of the children, changed 1453fc53e584d3d6ae106752cce334f143a68eb161bdFabrice Di Meglio // to accommodate the heightMeasureSpec from the parent 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int uniformMeasureSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MeasureSpec.EXACTLY); 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; ++i) { 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getVirtualChildAt(i); 1458ad52693cf3dfe3f5e84f5a22fe4c3787f2f2cbfbAlan Viverette if (child != null && child.getVisibility() != GONE) { 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) child.getLayoutParams(); 146099441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 1461980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy if (lp.height == LayoutParams.MATCH_PARENT) { 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Temporarily force children to reuse their old measured width 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME: this may not be right for something like wrapping text? 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int oldWidth = lp.width; 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lp.width = child.getMeasuredWidth(); 146699441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remeasure with new dimensions 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project measureChildWithMargins(child, widthMeasureSpec, 0, uniformMeasureSpec, 0); 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lp.width = oldWidth; 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Returns the number of children to skip after measuring/laying out 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified child.</p> 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child after which we want to skip children 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index of the child after which we want to skip children 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of children to skip, 0 by default 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int getChildrenSkipCount(View child, int index) { 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Returns the size (width or height) that should be occupied by a null 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * child.</p> 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param childIndex the index of the null child 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the width or height of the child depending on the orientation 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int measureNullChild(int childIndex) { 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Measure the child according to the parent's measure specs. This 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * method should be overriden by subclasses to force the sizing of 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children. This method is called by {@link #measureVertical(int, int)} and 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #measureHorizontal(int, int)}.</p> 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child to measure 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param childIndex the index of the child in this view 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param widthMeasureSpec horizontal space requirements as imposed by the parent 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param totalWidth extra space that has been used up by the parent horizontally 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param heightMeasureSpec vertical space requirements as imposed by the parent 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param totalHeight extra space that has been used up by the parent vertically 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void measureChildBeforeLayout(View child, int childIndex, 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int widthMeasureSpec, int totalWidth, int heightMeasureSpec, 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int totalHeight) { 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project measureChildWithMargins(child, widthMeasureSpec, totalWidth, 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project heightMeasureSpec, totalHeight); 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Return the location offset of the specified child. This can be used 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * by subclasses to change the location of a given widget.</p> 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child for which to obtain the location offset 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the location offset in pixels 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int getLocationOffset(View child) { 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Return the size offset of the next sibling of the specified child. 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This can be used by subclasses to change the location of the widget 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * following <code>child</code>.</p> 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child whose next sibling will be moved 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the location offset of the next child in pixels 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int getNextLocationOffset(View child) { 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onLayout(boolean changed, int l, int t, int r, int b) { 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOrientation == VERTICAL) { 1544ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne layoutVertical(l, t, r, b); 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1546ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne layoutHorizontal(l, t, r, b); 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Position the children during a layout pass if the orientation of this 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LinearLayout is set to {@link #VERTICAL}. 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getOrientation() 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setOrientation(int) 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onLayout(boolean, int, int, int, int) 1557ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne * @param left 1558ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne * @param top 1559ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne * @param right 1560ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne * @param bottom 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1562ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne void layoutVertical(int left, int top, int right, int bottom) { 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int paddingLeft = mPaddingLeft; 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15651e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio int childTop; 15665b1b2417106f161e4bc66296888f4685f213eebdRomain Guy int childLeft; 156799441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Where right end of child should go 1569ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne final int width = right - left; 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childRight = width - mPaddingRight; 157199441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Space available for child 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childSpace = width - paddingLeft - mPaddingRight; 157499441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getVirtualChildCount(); 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int majorGravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 15786a03640539405afbdefe72894759281b98aa6e6fFabrice Di Meglio final int minorGravity = mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK; 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15801e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio switch (majorGravity) { 15811e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio case Gravity.BOTTOM: 15821e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio // mTotalLength contains the padding already 1583ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne childTop = mPaddingTop + bottom - top - mTotalLength; 15841e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio break; 15851e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio 15861e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio // mTotalLength contains the padding already 15871e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio case Gravity.CENTER_VERTICAL: 1588ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne childTop = mPaddingTop + (bottom - top - mTotalLength) / 2; 15891e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio break; 15901e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio 15911e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio case Gravity.TOP: 15921e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio default: 15931e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio childTop = mPaddingTop; 15941e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio break; 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1596fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getVirtualChildAt(i); 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child == null) { 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childTop += measureNullChild(i); 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (child.getVisibility() != GONE) { 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childWidth = child.getMeasuredWidth(); 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childHeight = child.getMeasuredHeight(); 160499441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LinearLayout.LayoutParams lp = 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (LinearLayout.LayoutParams) child.getLayoutParams(); 160799441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int gravity = lp.gravity; 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (gravity < 0) { 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gravity = minorGravity; 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1612e56ffdc7b31b0937628609cc3bbaa15879023569Fabrice Di Meglio final int layoutDirection = getLayoutDirection(); 1613c0053223bedf33581b0830fb87be32c1f26e5372Fabrice Di Meglio final int absoluteGravity = Gravity.getAbsoluteGravity(gravity, layoutDirection); 1614de35ceeeb9f8855c72dfd70593e917aa75b43770Fabrice Di Meglio switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) { 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case Gravity.CENTER_HORIZONTAL: 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childLeft = paddingLeft + ((childSpace - childWidth) / 2) 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + lp.leftMargin - lp.rightMargin; 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case Gravity.RIGHT: 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childLeft = childRight - childWidth - lp.rightMargin; 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 16231e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio 16241e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio case Gravity.LEFT: 1625611cd3f4a921e2a170b670a536548e88e861f7deRomain Guy default: 16261e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio childLeft = paddingLeft + lp.leftMargin; 1627611cd3f4a921e2a170b670a536548e88e861f7deRomain Guy break; 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16291e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio 1630696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell if (hasDividerBeforeChildAt(i)) { 1631696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell childTop += mDividerHeight; 1632696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 1633696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childTop += lp.topMargin; 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildFrame(child, childLeft, childTop + getLocationOffset(child), 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childWidth, childHeight); 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childTop += childHeight + lp.bottomMargin + getNextLocationOffset(child); 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i += getChildrenSkipCount(child, i); 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 164478528b22c29f570469fe3c75328042f83a5a24c3Selim Cinek @Override 164578528b22c29f570469fe3c75328042f83a5a24c3Selim Cinek public void onRtlPropertiesChanged(@ResolvedLayoutDir int layoutDirection) { 164678528b22c29f570469fe3c75328042f83a5a24c3Selim Cinek super.onRtlPropertiesChanged(layoutDirection); 164778528b22c29f570469fe3c75328042f83a5a24c3Selim Cinek if (layoutDirection != mLayoutDirection) { 164878528b22c29f570469fe3c75328042f83a5a24c3Selim Cinek mLayoutDirection = layoutDirection; 164978528b22c29f570469fe3c75328042f83a5a24c3Selim Cinek if (mOrientation == HORIZONTAL) { 165078528b22c29f570469fe3c75328042f83a5a24c3Selim Cinek requestLayout(); 165178528b22c29f570469fe3c75328042f83a5a24c3Selim Cinek } 165278528b22c29f570469fe3c75328042f83a5a24c3Selim Cinek } 165378528b22c29f570469fe3c75328042f83a5a24c3Selim Cinek } 165478528b22c29f570469fe3c75328042f83a5a24c3Selim Cinek 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Position the children during a layout pass if the orientation of this 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LinearLayout is set to {@link #HORIZONTAL}. 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getOrientation() 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setOrientation(int) 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onLayout(boolean, int, int, int, int) 1662ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne * @param left 1663ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne * @param top 1664ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne * @param right 1665ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne * @param bottom 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1667ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne void layoutHorizontal(int left, int top, int right, int bottom) { 16681e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio final boolean isLayoutRtl = isLayoutRtl(); 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int paddingTop = mPaddingTop; 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16715b1b2417106f161e4bc66296888f4685f213eebdRomain Guy int childTop; 16721e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio int childLeft; 167399441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Where bottom of child should go 1675ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne final int height = bottom - top; 167699441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas int childBottom = height - mPaddingBottom; 167799441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Space available for child 16799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childSpace = height - paddingTop - mPaddingBottom; 16809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getVirtualChildCount(); 16829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16836a03640539405afbdefe72894759281b98aa6e6fFabrice Di Meglio final int majorGravity = mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK; 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int minorGravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean baselineAligned = mBaselineAligned; 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int[] maxAscent = mMaxAscent; 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int[] maxDescent = mMaxDescent; 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1691e56ffdc7b31b0937628609cc3bbaa15879023569Fabrice Di Meglio final int layoutDirection = getLayoutDirection(); 1692c0053223bedf33581b0830fb87be32c1f26e5372Fabrice Di Meglio switch (Gravity.getAbsoluteGravity(majorGravity, layoutDirection)) { 16931e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio case Gravity.RIGHT: 16941e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio // mTotalLength contains the padding already 1695ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne childLeft = mPaddingLeft + right - left - mTotalLength; 16961e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio break; 16971e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio 16981e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio case Gravity.CENTER_HORIZONTAL: 16991e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio // mTotalLength contains the padding already 1700ad365cc217c989c3b688ae839d6f94ee8889a84ePhilip Milne childLeft = mPaddingLeft + (right - left - mTotalLength) / 2; 17011e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio break; 17021e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio 17031e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio case Gravity.LEFT: 17041e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio default: 17051e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio childLeft = mPaddingLeft; 17061e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio break; 17071e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio } 17081e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio 17091e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio int start = 0; 17101e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio int dir = 1; 17111e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio //In case of RTL, start drawing from the last child. 17121e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio if (isLayoutRtl) { 17131e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio start = count - 1; 17141e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio dir = -1; 1715fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell } 1716fcca00accb923d3cbda4e0d6f5540b10e8279cd2Adam Powell 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 1718ad52693cf3dfe3f5e84f5a22fe4c3787f2f2cbfbAlan Viverette final int childIndex = start + dir * i; 17191e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio final View child = getVirtualChildAt(childIndex); 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child == null) { 17211e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio childLeft += measureNullChild(childIndex); 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (child.getVisibility() != GONE) { 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childWidth = child.getMeasuredWidth(); 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childHeight = child.getMeasuredHeight(); 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childBaseline = -1; 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LinearLayout.LayoutParams lp = 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (LinearLayout.LayoutParams) child.getLayoutParams(); 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1730980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy if (baselineAligned && lp.height != LayoutParams.MATCH_PARENT) { 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childBaseline = child.getBaseline(); 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 173399441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int gravity = lp.gravity; 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (gravity < 0) { 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gravity = minorGravity; 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 173899441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (gravity & Gravity.VERTICAL_GRAVITY_MASK) { 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case Gravity.TOP: 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childTop = paddingTop + lp.topMargin; 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childBaseline != -1) { 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childTop += maxAscent[INDEX_TOP] - childBaseline; 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case Gravity.CENTER_VERTICAL: 17485b1b2417106f161e4bc66296888f4685f213eebdRomain Guy // Removed support for baseline alignment when layout_gravity or 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // gravity == center_vertical. See bug #1038483. 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Keep the code around if we need to re-enable this feature 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if (childBaseline != -1) { 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // // Align baselines vertically only if the child is smaller than us 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if (childSpace - childHeight > 0) { 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // childTop = paddingTop + (childSpace / 2) - childBaseline; 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // } else { 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // childTop = paddingTop + (childSpace - childHeight) / 2; 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // } 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // } else { 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childTop = paddingTop + ((childSpace - childHeight) / 2) 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + lp.topMargin - lp.bottomMargin; 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case Gravity.BOTTOM: 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childTop = childBottom - childHeight - lp.bottomMargin; 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childBaseline != -1) { 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int descent = child.getMeasuredHeight() - childBaseline; 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childTop -= (maxDescent[INDEX_BOTTOM] - descent); 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1770611cd3f4a921e2a170b670a536548e88e861f7deRomain Guy default: 1771611cd3f4a921e2a170b670a536548e88e861f7deRomain Guy childTop = paddingTop; 1772611cd3f4a921e2a170b670a536548e88e861f7deRomain Guy break; 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17751e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio if (hasDividerBeforeChildAt(childIndex)) { 1776696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell childLeft += mDividerWidth; 1777696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 1778696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childLeft += lp.leftMargin; 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildFrame(child, childLeft + getLocationOffset(child), childTop, 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childWidth, childHeight); 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childLeft += childWidth + lp.rightMargin + 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getNextLocationOffset(child); 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17851e4cfbeba54898373c852097d1519a1d966c0854Fabrice Di Meglio i += getChildrenSkipCount(child, childIndex); 17869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179099441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas private void setChildFrame(View child, int left, int top, int width, int height) { 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.layout(left, top, left + width, top + height); 17929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 179399441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Should the layout be a column or a row. 1796d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye * @param orientation Pass {@link #HORIZONTAL} or {@link #VERTICAL}. Default 1797d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye * value is {@link #HORIZONTAL}. 179899441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas * 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LinearLayout_orientation 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1801d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye public void setOrientation(@OrientationMode int orientation) { 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOrientation != orientation) { 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOrientation = orientation; 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current orientation. 181099441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas * 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return either {@link #HORIZONTAL} or {@link #VERTICAL} 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1813d9273d6f289d9b55da3fd0db2f659fdfb48106a8Tor Norbye @OrientationMode 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getOrientation() { 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mOrientation; 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Describes how the child views are positioned. Defaults to GRAVITY_TOP. If 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this layout has a VERTICAL orientation, this controls where all the child 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * views are placed if there is extra vertical space. If this layout has a 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * HORIZONTAL orientation, this controls the alignment of the children. 182399441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas * 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param gravity See {@link android.view.Gravity} 182599441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas * 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LinearLayout_gravity 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setGravity(int gravity) { 18309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mGravity != gravity) { 18316a03640539405afbdefe72894759281b98aa6e6fFabrice Di Meglio if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) == 0) { 18329e3b002d3f9141d54948a65e0330fdcd09e75a30Fabrice Di Meglio gravity |= Gravity.START; 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((gravity & Gravity.VERTICAL_GRAVITY_MASK) == 0) { 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gravity |= Gravity.TOP; 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGravity = gravity; 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1844efe916c3c795b680152d229fd937cf112cf28086Jason Monk /** 1845efe916c3c795b680152d229fd937cf112cf28086Jason Monk * Returns the current gravity. See {@link android.view.Gravity} 1846efe916c3c795b680152d229fd937cf112cf28086Jason Monk * 1847efe916c3c795b680152d229fd937cf112cf28086Jason Monk * @return the current gravity. 1848efe916c3c795b680152d229fd937cf112cf28086Jason Monk * @see #setGravity 1849efe916c3c795b680152d229fd937cf112cf28086Jason Monk */ 1850efe916c3c795b680152d229fd937cf112cf28086Jason Monk public int getGravity() { 1851efe916c3c795b680152d229fd937cf112cf28086Jason Monk return mGravity; 1852efe916c3c795b680152d229fd937cf112cf28086Jason Monk } 1853efe916c3c795b680152d229fd937cf112cf28086Jason Monk 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setHorizontalGravity(int horizontalGravity) { 18566a03640539405afbdefe72894759281b98aa6e6fFabrice Di Meglio final int gravity = horizontalGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK; 18576a03640539405afbdefe72894759281b98aa6e6fFabrice Di Meglio if ((mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) != gravity) { 18586a03640539405afbdefe72894759281b98aa6e6fFabrice Di Meglio mGravity = (mGravity & ~Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) | gravity; 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setVerticalGravity(int verticalGravity) { 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int gravity = verticalGravity & Gravity.VERTICAL_GRAVITY_MASK; 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != gravity) { 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGravity = (mGravity & ~Gravity.VERTICAL_GRAVITY_MASK) | gravity; 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 187199441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams generateLayoutParams(AttributeSet attrs) { 18749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new LinearLayout.LayoutParams(getContext(), attrs); 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a set of layout parameters with a width of 1879980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy * {@link android.view.ViewGroup.LayoutParams#MATCH_PARENT} 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and a height of {@link android.view.ViewGroup.LayoutParams#WRAP_CONTENT} 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the layout's orientation is {@link #VERTICAL}. When the orientation is 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #HORIZONTAL}, the width is set to {@link LayoutParams#WRAP_CONTENT} 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and the height to {@link LayoutParams#WRAP_CONTENT}. 18849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected LayoutParams generateDefaultLayoutParams() { 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOrientation == HORIZONTAL) { 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mOrientation == VERTICAL) { 1890980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy return new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1896885c50b6df08270642016c1f24a3b7e381341742Yigit Boyar protected LayoutParams generateLayoutParams(ViewGroup.LayoutParams lp) { 18972dd20a61e959f9a0acb0639664e063101b6e3bacYigit Boyar if (sPreserveMarginParamsInLayoutParamConversion) { 18982dd20a61e959f9a0acb0639664e063101b6e3bacYigit Boyar if (lp instanceof LayoutParams) { 18992dd20a61e959f9a0acb0639664e063101b6e3bacYigit Boyar return new LayoutParams((LayoutParams) lp); 19002dd20a61e959f9a0acb0639664e063101b6e3bacYigit Boyar } else if (lp instanceof MarginLayoutParams) { 19012dd20a61e959f9a0acb0639664e063101b6e3bacYigit Boyar return new LayoutParams((MarginLayoutParams) lp); 19022dd20a61e959f9a0acb0639664e063101b6e3bacYigit Boyar } 1903885c50b6df08270642016c1f24a3b7e381341742Yigit Boyar } 19042dd20a61e959f9a0acb0639664e063101b6e3bacYigit Boyar return new LayoutParams(lp); 19059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Override to allow type-checking of LayoutParams. 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p instanceof LinearLayout.LayoutParams; 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19138a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov 19148a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov @Override 1915a7bb6fbeab933326d58aa806d8194b7b13239d34Dianne Hackborn public CharSequence getAccessibilityClassName() { 1916a7bb6fbeab933326d58aa806d8194b7b13239d34Dianne Hackborn return LinearLayout.class.getName(); 19178a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov } 19188a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov 191994a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy /** @hide */ 192094a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy @Override 192194a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy protected void encodeProperties(@NonNull ViewHierarchyEncoder encoder) { 192294a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy super.encodeProperties(encoder); 192394a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy encoder.addProperty("layout:baselineAligned", mBaselineAligned); 192494a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy encoder.addProperty("layout:baselineAlignedChildIndex", mBaselineAlignedChildIndex); 192594a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy encoder.addProperty("measurement:baselineChildTop", mBaselineChildTop); 192694a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy encoder.addProperty("measurement:orientation", mOrientation); 192794a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy encoder.addProperty("measurement:gravity", mGravity); 192894a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy encoder.addProperty("measurement:totalLength", mTotalLength); 192994a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy encoder.addProperty("layout:totalLength", mTotalLength); 193094a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy encoder.addProperty("layout:useLargestChild", mUseLargestChild); 193194a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy } 193294a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy 19339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Per-child layout information associated with ViewLinearLayout. 193599441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas * 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LinearLayout_Layout_layout_weight 19379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LinearLayout_Layout_layout_gravity 19389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class LayoutParams extends ViewGroup.MarginLayoutParams { 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates how much of the extra space in the LinearLayout will be 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * allocated to the view associated with these LayoutParams. Specify 19439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 0 if the view should not be stretched. Otherwise the extra pixels 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be pro-rated among all views whose weight is greater than 0. 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1946bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "layout") 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public float weight; 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gravity for the view associated with these LayoutParams. 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.Gravity 19539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1954bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "layout", mapping = { 19559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = -1, to = "NONE"), 19569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = Gravity.NO_GRAVITY, to = "NONE"), 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = Gravity.TOP, to = "TOP"), 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = Gravity.BOTTOM, to = "BOTTOM"), 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = Gravity.LEFT, to = "LEFT"), 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = Gravity.RIGHT, to = "RIGHT"), 19618b9ed44f8d559be2590b25cb4b72d2aefd3b3784Chet Haase @ViewDebug.IntToString(from = Gravity.START, to = "START"), 19628b9ed44f8d559be2590b25cb4b72d2aefd3b3784Chet Haase @ViewDebug.IntToString(from = Gravity.END, to = "END"), 19639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = Gravity.CENTER_VERTICAL, to = "CENTER_VERTICAL"), 19649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = Gravity.FILL_VERTICAL, to = "FILL_VERTICAL"), 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = Gravity.CENTER_HORIZONTAL, to = "CENTER_HORIZONTAL"), 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = Gravity.FILL_HORIZONTAL, to = "FILL_HORIZONTAL"), 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = Gravity.CENTER, to = "CENTER"), 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = Gravity.FILL, to = "FILL") 19699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }) 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int gravity = -1; 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 19749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(c, attrs); 19779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = 19789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.obtainStyledAttributes(attrs, com.android.internal.R.styleable.LinearLayout_Layout); 19799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project weight = a.getFloat(com.android.internal.R.styleable.LinearLayout_Layout_layout_weight, 0); 19819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gravity = a.getInt(com.android.internal.R.styleable.LinearLayout_Layout_layout_gravity, -1); 19829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 19849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 19889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(int width, int height) { 19909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(width, height); 19919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project weight = 0; 19929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new set of layout parameters with the specified width, height 19969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and weight. 19979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1998980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy * @param width the width, either {@link #MATCH_PARENT}, 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #WRAP_CONTENT} or a fixed size in pixels 2000980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy * @param height the height, either {@link #MATCH_PARENT}, 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #WRAP_CONTENT} or a fixed size in pixels 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param weight the weight 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(int width, int height, float weight) { 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(width, height); 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.weight = weight; 20079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 20119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams p) { 20139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(p); 20149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 20189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20190a0e155cadecd32599a7354a1836232c885f4bd2Alan Viverette public LayoutParams(ViewGroup.MarginLayoutParams source) { 20209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(source); 20219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20230a0e155cadecd32599a7354a1836232c885f4bd2Alan Viverette /** 20240a0e155cadecd32599a7354a1836232c885f4bd2Alan Viverette * Copy constructor. Clones the width, height, margin values, weight, 20250a0e155cadecd32599a7354a1836232c885f4bd2Alan Viverette * and gravity of the source. 20260a0e155cadecd32599a7354a1836232c885f4bd2Alan Viverette * 20270a0e155cadecd32599a7354a1836232c885f4bd2Alan Viverette * @param source The layout params to copy from. 20280a0e155cadecd32599a7354a1836232c885f4bd2Alan Viverette */ 20290a0e155cadecd32599a7354a1836232c885f4bd2Alan Viverette public LayoutParams(LayoutParams source) { 20300a0e155cadecd32599a7354a1836232c885f4bd2Alan Viverette super(source); 20310a0e155cadecd32599a7354a1836232c885f4bd2Alan Viverette 20320a0e155cadecd32599a7354a1836232c885f4bd2Alan Viverette this.weight = source.weight; 20330a0e155cadecd32599a7354a1836232c885f4bd2Alan Viverette this.gravity = source.gravity; 20340a0e155cadecd32599a7354a1836232c885f4bd2Alan Viverette } 20350a0e155cadecd32599a7354a1836232c885f4bd2Alan Viverette 20369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 20379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String debug(String output) { 20389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return output + "LinearLayout.LayoutParams={width=" + sizeToString(width) + 20399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ", height=" + sizeToString(height) + " weight=" + weight + "}"; 20409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 204194a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy 204294a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy /** @hide */ 204394a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy @Override 204494a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy protected void encodeProperties(@NonNull ViewHierarchyEncoder encoder) { 204594a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy super.encodeProperties(encoder); 204694a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy 204794a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy encoder.addProperty("layout:weight", weight); 204894a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy encoder.addProperty("layout:gravity", gravity); 204994a6d15ede149189bba9e5f474ed853c98230e75Siva Velusamy } 20509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2052