ViewConfiguration.java revision 8c4706252228755ed181d19532b7e0cfec270ba4
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.view; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1954d068ec6af0ee6d261a135400efe6816c6f5ffeSvetoslav Ganovimport android.app.AppGlobals; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 21ff801ec71399f7e8aa95bcbb9937c53144fe17c5Dianne Hackbornimport android.content.res.Configuration; 228c4706252228755ed181d19532b7e0cfec270ba4Adam Powellimport android.content.res.Resources; 238c4706252228755ed181d19532b7e0cfec270ba4Adam Powellimport android.os.RemoteException; 2454d068ec6af0ee6d261a135400efe6816c6f5ffeSvetoslav Ganovimport android.provider.Settings; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.DisplayMetrics; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.SparseArray; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Contains methods to standard constants used in the UI for timeouts, sizes, and distances. 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class ViewConfiguration { 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy * Expected bit depth of the display panel. 34dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy * 35dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy * @hide 36dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy */ 37dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy public static final float PANEL_BIT_DEPTH = 24; 38dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 39dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy /** 40dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy * Minimum alpha required for a view to draw. 41dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy * 42dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy * @hide 43dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy */ 44dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy public static final float ALPHA_THRESHOLD = 0.5f / PANEL_BIT_DEPTH; 45909cbaf8f92d69f507bbdba9e5aa960d1e6c7a1fRomain Guy /** 46909cbaf8f92d69f507bbdba9e5aa960d1e6c7a1fRomain Guy * @hide 47909cbaf8f92d69f507bbdba9e5aa960d1e6c7a1fRomain Guy */ 48909cbaf8f92d69f507bbdba9e5aa960d1e6c7a1fRomain Guy public static final float ALPHA_THRESHOLD_INT = 0x7f / PANEL_BIT_DEPTH; 49909cbaf8f92d69f507bbdba9e5aa960d1e6c7a1fRomain Guy 50dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy /** 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the width of the horizontal scrollbar and the height of the vertical scrollbar in 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * pixels 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int SCROLL_BAR_SIZE = 10; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 57f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron * Duration of the fade when scrollbars fade away in milliseconds 58f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron */ 59f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron private static final int SCROLL_BAR_FADE_DURATION = 250; 60f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron 61f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron /** 62f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron * Default delay before the scrollbars fade in milliseconds 63f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron */ 64f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron private static final int SCROLL_BAR_DEFAULT_DELAY = 300; 65f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron 66f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron /** 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the length of the fading edges in pixels 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FADING_EDGE_LENGTH = 12; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the duration in milliseconds of the pressed state in child 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * components. 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 75e14579bac59aa84523c2bfbfc3f28c7842ec664dAdam Powell private static final int PRESSED_STATE_DURATION = 125; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 78a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown * Defines the default duration in milliseconds before a press turns into 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a long press 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 81a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown private static final int DEFAULT_LONG_PRESS_TIMEOUT = 500; 82a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown 83a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown /** 84a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown * Defines the time between successive key repeats in milliseconds. 85a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown */ 86a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown private static final int KEY_REPEAT_DELAY = 50; 87a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the duration in milliseconds a user needs to hold down the 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appropriate button to bring up the global actions dialog (power off, 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * lock screen, etc). 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int GLOBAL_ACTIONS_KEY_TIMEOUT = 500; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the duration in milliseconds we will wait to see if a touch event 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is a tap or a scroll. If the user does not move within this interval, it is 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * considered to be a tap. 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 100e0a799a2ac1ca78e30fbac9e4e12a063425c08d3Patrick Dubroy private static final int TAP_TIMEOUT = 180; 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the duration in milliseconds we will wait to see if a touch event 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is a jump tap. If the user does not complete the jump tap within this interval, it is 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * considered to be a tap. 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int JUMP_TAP_TIMEOUT = 500; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the duration in milliseconds between the first tap's up event and 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the second tap's down event for an interaction to be considered a 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * double-tap. 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DOUBLE_TAP_TIMEOUT = 300; 115bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown 116bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown /** 117bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown * Defines the maximum duration in milliseconds between a touch pad 118bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown * touch and release for a given touch to be considered a tap (click) as 119bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown * opposed to a hover movement gesture. 120bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown */ 121bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown private static final int HOVER_TAP_TIMEOUT = 150; 122bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown 123bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown /** 124bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown * Defines the maximum distance in pixels that a touch pad touch can move 125bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown * before being released for it to be considered a tap (click) as opposed 126bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown * to a hover movement gesture. 127bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown */ 128bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown private static final int HOVER_TAP_SLOP = 20; 129bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the duration in milliseconds we want to display zoom controls in response 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to a user panning within an application. 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ZOOM_CONTROLS_TIMEOUT = 3000; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Inset in pixels to look for touchable content when the user touches the edge of the screen 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int EDGE_SLOP = 12; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Distance a touch can wander before we think the user is scrolling in pixels 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1443e2ac8843489e83c4171aabcfe98769b5159a5c8Dianne Hackborn private static final int TOUCH_SLOP = 16; 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 147de8d0834fc2bc31f011fb3316757883e1b731440Adam Powell * Distance a touch can wander before we think the user is attempting a paged scroll 148de8d0834fc2bc31f011fb3316757883e1b731440Adam Powell * (in dips) 149de8d0834fc2bc31f011fb3316757883e1b731440Adam Powell */ 150b7ef1d9ec9aa09ecba5a348c939b10f798aff131Adam Powell private static final int PAGING_TOUCH_SLOP = TOUCH_SLOP * 2; 151de8d0834fc2bc31f011fb3316757883e1b731440Adam Powell 152de8d0834fc2bc31f011fb3316757883e1b731440Adam Powell /** 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Distance between the first touch and second touch to still be considered a double tap 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int DOUBLE_TAP_SLOP = 100; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Distance a touch needs to be outside of a window's bounds for it to 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * count as outside for purposes of dismissing the window. 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int WINDOW_TOUCH_SLOP = 16; 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Minimum velocity to initiate a fling, as measured in pixels per second 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int MINIMUM_FLING_VELOCITY = 50; 1674296fc4d326447875c26a925f12b3935632f13bbRomain Guy 1684296fc4d326447875c26a925f12b3935632f13bbRomain Guy /** 1694296fc4d326447875c26a925f12b3935632f13bbRomain Guy * Maximum velocity to initiate a fling, as measured in pixels per second 1704296fc4d326447875c26a925f12b3935632f13bbRomain Guy */ 171637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private static final int MAXIMUM_FLING_VELOCITY = 8000; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 174736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov * Distance between a touch up event denoting the end of a touch exploration 175736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov * gesture and the touch up event of a subsequent tap for the latter tap to be 176736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov * considered as a tap i.e. to perform a click. 177736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov */ 178736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov private static final int TOUCH_EXPLORATION_TAP_SLOP = 80; 179736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov 180736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov /** 181a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov * Delay before dispatching a recurring accessibility event in milliseconds. 182a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov * This delay guarantees that a recurring event will be send at most once 183a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov * during the {@link #SEND_RECURRING_ACCESSIBILITY_EVENTS_INTERVAL_MILLIS} time 184a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov * frame. 185a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov */ 186a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov private static final long SEND_RECURRING_ACCESSIBILITY_EVENTS_INTERVAL_MILLIS = 400; 187a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov 188a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov /** 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The maximum size of View's drawing cache, expressed in bytes. This size 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * should be at least equal to the size of the screen in ARGB888 format. 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Deprecated 1930211a0a10d20ec99bd78905ea9cd2960f7beb4c8Romain Guy private static final int MAXIMUM_DRAWING_CACHE_SIZE = 480 * 800 * 4; // ARGB8888 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The coefficient of friction applied to flings/scrolls. 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1980211a0a10d20ec99bd78905ea9cd2960f7beb4c8Romain Guy private static final float SCROLL_FRICTION = 0.015f; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 200637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 201637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Max distance to overscroll for edge effects 202637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 203637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private static final int OVERSCROLL_DISTANCE = 0; 204637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 205637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 206637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Max distance to overfling for edge effects 207637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 2088ce7aab79e711ff5de54985aeffb1a205b7f9942Gilles Debunne private static final int OVERFLING_DISTANCE = 6; 209637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final int mEdgeSlop; 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final int mFadingEdgeLength; 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final int mMinimumFlingVelocity; 2134296fc4d326447875c26a925f12b3935632f13bbRomain Guy private final int mMaximumFlingVelocity; 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final int mScrollbarSize; 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final int mTouchSlop; 216de8d0834fc2bc31f011fb3316757883e1b731440Adam Powell private final int mPagingTouchSlop; 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final int mDoubleTapSlop; 218736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov private final int mScaledTouchExplorationTapSlop; 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final int mWindowTouchSlop; 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final int mMaximumDrawingCacheSize; 221637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private final int mOverscrollDistance; 222637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private final int mOverflingDistance; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2248c4706252228755ed181d19532b7e0cfec270ba4Adam Powell private boolean sHasPermanentMenuKey; 2258c4706252228755ed181d19532b7e0cfec270ba4Adam Powell private boolean sHasPermanentMenuKeySet; 2268c4706252228755ed181d19532b7e0cfec270ba4Adam Powell 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final SparseArray<ViewConfiguration> sConfigurations = 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new SparseArray<ViewConfiguration>(2); 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated Use {@link android.view.ViewConfiguration#get(android.content.Context)} instead. 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Deprecated 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ViewConfiguration() { 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEdgeSlop = EDGE_SLOP; 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFadingEdgeLength = FADING_EDGE_LENGTH; 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMinimumFlingVelocity = MINIMUM_FLING_VELOCITY; 2384296fc4d326447875c26a925f12b3935632f13bbRomain Guy mMaximumFlingVelocity = MAXIMUM_FLING_VELOCITY; 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollbarSize = SCROLL_BAR_SIZE; 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchSlop = TOUCH_SLOP; 241de8d0834fc2bc31f011fb3316757883e1b731440Adam Powell mPagingTouchSlop = PAGING_TOUCH_SLOP; 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDoubleTapSlop = DOUBLE_TAP_SLOP; 243736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov mScaledTouchExplorationTapSlop = TOUCH_EXPLORATION_TAP_SLOP; 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWindowTouchSlop = WINDOW_TOUCH_SLOP; 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //noinspection deprecation 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaximumDrawingCacheSize = MAXIMUM_DRAWING_CACHE_SIZE; 247637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mOverscrollDistance = OVERSCROLL_DISTANCE; 248637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mOverflingDistance = OVERFLING_DISTANCE; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new configuration for the specified context. The configuration depends on 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * various parameters of the context, like the dimension of the display or the density 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of the display. 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context The application context used to initialize this view configuration. 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #get(android.content.Context) 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.util.DisplayMetrics 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ViewConfiguration(Context context) { 2628c4706252228755ed181d19532b7e0cfec270ba4Adam Powell final Resources res = context.getResources(); 2638c4706252228755ed181d19532b7e0cfec270ba4Adam Powell final DisplayMetrics metrics = res.getDisplayMetrics(); 2648c4706252228755ed181d19532b7e0cfec270ba4Adam Powell final Configuration config = res.getConfiguration(); 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float density = metrics.density; 266ff801ec71399f7e8aa95bcbb9937c53144fe17c5Dianne Hackborn final float sizeAndDensity; 2678c4706252228755ed181d19532b7e0cfec270ba4Adam Powell if (config.isLayoutSizeAtLeast(Configuration.SCREENLAYOUT_SIZE_XLARGE)) { 268ff801ec71399f7e8aa95bcbb9937c53144fe17c5Dianne Hackborn sizeAndDensity = density * 1.5f; 269ff801ec71399f7e8aa95bcbb9937c53144fe17c5Dianne Hackborn } else { 270ff801ec71399f7e8aa95bcbb9937c53144fe17c5Dianne Hackborn sizeAndDensity = density; 271ff801ec71399f7e8aa95bcbb9937c53144fe17c5Dianne Hackborn } 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 273ff801ec71399f7e8aa95bcbb9937c53144fe17c5Dianne Hackborn mEdgeSlop = (int) (sizeAndDensity * EDGE_SLOP + 0.5f); 274ff801ec71399f7e8aa95bcbb9937c53144fe17c5Dianne Hackborn mFadingEdgeLength = (int) (sizeAndDensity * FADING_EDGE_LENGTH + 0.5f); 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMinimumFlingVelocity = (int) (density * MINIMUM_FLING_VELOCITY + 0.5f); 2764296fc4d326447875c26a925f12b3935632f13bbRomain Guy mMaximumFlingVelocity = (int) (density * MAXIMUM_FLING_VELOCITY + 0.5f); 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollbarSize = (int) (density * SCROLL_BAR_SIZE + 0.5f); 278ff801ec71399f7e8aa95bcbb9937c53144fe17c5Dianne Hackborn mTouchSlop = (int) (sizeAndDensity * TOUCH_SLOP + 0.5f); 279ff801ec71399f7e8aa95bcbb9937c53144fe17c5Dianne Hackborn mPagingTouchSlop = (int) (sizeAndDensity * PAGING_TOUCH_SLOP + 0.5f); 280ff801ec71399f7e8aa95bcbb9937c53144fe17c5Dianne Hackborn mDoubleTapSlop = (int) (sizeAndDensity * DOUBLE_TAP_SLOP + 0.5f); 281736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov mScaledTouchExplorationTapSlop = (int) (density * TOUCH_EXPLORATION_TAP_SLOP + 0.5f); 282ff801ec71399f7e8aa95bcbb9937c53144fe17c5Dianne Hackborn mWindowTouchSlop = (int) (sizeAndDensity * WINDOW_TOUCH_SLOP + 0.5f); 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Size of the screen in bytes, in ARGB_8888 format 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaximumDrawingCacheSize = 4 * metrics.widthPixels * metrics.heightPixels; 286637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 287ff801ec71399f7e8aa95bcbb9937c53144fe17c5Dianne Hackborn mOverscrollDistance = (int) (sizeAndDensity * OVERSCROLL_DISTANCE + 0.5f); 288ff801ec71399f7e8aa95bcbb9937c53144fe17c5Dianne Hackborn mOverflingDistance = (int) (sizeAndDensity * OVERFLING_DISTANCE + 0.5f); 2898c4706252228755ed181d19532b7e0cfec270ba4Adam Powell 2908c4706252228755ed181d19532b7e0cfec270ba4Adam Powell if (!sHasPermanentMenuKeySet) { 2918c4706252228755ed181d19532b7e0cfec270ba4Adam Powell IWindowManager wm = Display.getWindowManager(); 2928c4706252228755ed181d19532b7e0cfec270ba4Adam Powell try { 2938c4706252228755ed181d19532b7e0cfec270ba4Adam Powell sHasPermanentMenuKey = wm.canStatusBarHide() && !res.getBoolean( 2948c4706252228755ed181d19532b7e0cfec270ba4Adam Powell com.android.internal.R.bool.config_showNavigationBar); 2958c4706252228755ed181d19532b7e0cfec270ba4Adam Powell sHasPermanentMenuKeySet = true; 2968c4706252228755ed181d19532b7e0cfec270ba4Adam Powell } catch (RemoteException ex) { 2978c4706252228755ed181d19532b7e0cfec270ba4Adam Powell sHasPermanentMenuKey = false; 2988c4706252228755ed181d19532b7e0cfec270ba4Adam Powell } 2998c4706252228755ed181d19532b7e0cfec270ba4Adam Powell } 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a configuration for the specified context. The configuration depends on 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * various parameters of the context, like the dimension of the display or the 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * density of the display. 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context The application context used to initialize the view configuration. 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static ViewConfiguration get(Context context) { 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final DisplayMetrics metrics = context.getResources().getDisplayMetrics(); 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int density = (int) (100.0f * metrics.density); 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewConfiguration configuration = sConfigurations.get(density); 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (configuration == null) { 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project configuration = new ViewConfiguration(context); 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sConfigurations.put(density, configuration); 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return configuration; 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The width of the horizontal scrollbar and the height of the vertical 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * scrollbar in pixels 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated Use {@link #getScaledScrollBarSize()} instead. 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Deprecated 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getScrollBarSize() { 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return SCROLL_BAR_SIZE; 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The width of the horizontal scrollbar and the height of the vertical 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * scrollbar in pixels 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getScaledScrollBarSize() { 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScrollbarSize; 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 342f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron * @return Duration of the fade when scrollbars fade away in milliseconds 343f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron */ 344f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron public static int getScrollBarFadeDuration() { 345f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron return SCROLL_BAR_FADE_DURATION; 346f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron } 347f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron 348f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron /** 349f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron * @return Default delay before the scrollbars fade in milliseconds 350f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron */ 351f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron public static int getScrollDefaultDelay() { 352f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron return SCROLL_BAR_DEFAULT_DELAY; 353f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron } 354f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron 355f116bf8884b5b58aae261d148003811aa4a7c6e9Mike Cleron /** 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the length of the fading edges in pixels 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated Use {@link #getScaledFadingEdgeLength()} instead. 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Deprecated 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getFadingEdgeLength() { 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return FADING_EDGE_LENGTH; 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the length of the fading edges in pixels 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getScaledFadingEdgeLength() { 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFadingEdgeLength; 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the duration in milliseconds of the pressed state in child 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * components. 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getPressedStateDuration() { 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return PRESSED_STATE_DURATION; 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37954d068ec6af0ee6d261a135400efe6816c6f5ffeSvetoslav Ganov 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the duration in milliseconds before a press turns into 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a long press 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getLongPressTimeout() { 38554d068ec6af0ee6d261a135400efe6816c6f5ffeSvetoslav Ganov return AppGlobals.getIntCoreSetting(Settings.Secure.LONG_PRESS_TIMEOUT, 386a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown DEFAULT_LONG_PRESS_TIMEOUT); 387a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown } 388a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown 389a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown /** 390a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown * @return the time before the first key repeat in milliseconds. 391a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown */ 392a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown public static int getKeyRepeatTimeout() { 393a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown return getLongPressTimeout(); 394a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown } 395a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown 396a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown /** 397a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown * @return the time between successive key repeats in milliseconds. 398a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown */ 399a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown public static int getKeyRepeatDelay() { 400a454767b09ecb7d25d00beae0e5a1fdd48605c63Jeff Brown return KEY_REPEAT_DELAY; 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40254d068ec6af0ee6d261a135400efe6816c6f5ffeSvetoslav Ganov 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the duration in milliseconds we will wait to see if a touch event 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is a tap or a scroll. If the user does not move within this interval, it is 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * considered to be a tap. 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getTapTimeout() { 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return TAP_TIMEOUT; 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 411bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the duration in milliseconds we will wait to see if a touch event 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is a jump tap. If the user does not move within this interval, it is 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * considered to be a tap. 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getJumpTapTimeout() { 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JUMP_TAP_TIMEOUT; 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the duration in milliseconds between the first tap's up event and 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the second tap's down event for an interaction to be considered a 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * double-tap. 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getDoubleTapTimeout() { 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return DOUBLE_TAP_TIMEOUT; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 429bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown 430bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown /** 431bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown * @return the maximum duration in milliseconds between a touch pad 432bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown * touch and release for a given touch to be considered a tap (click) as 433bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown * opposed to a hover movement gesture. 434bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown * @hide 435bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown */ 436bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown public static int getHoverTapTimeout() { 437bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown return HOVER_TAP_TIMEOUT; 438bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown } 439bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown 440bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown /** 441bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown * @return the maximum distance in pixels that a touch pad touch can move 442bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown * before being released for it to be considered a tap (click) as opposed 443bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown * to a hover movement gesture. 444bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown * @hide 445bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown */ 446bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown public static int getHoverTapSlop() { 447bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown return HOVER_TAP_SLOP; 448bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown } 449bb3fcba0caf697f1d238a2cbefdf1efe06eded99Jeff Brown 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Inset in pixels to look for touchable content when the user touches the edge of the 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * screen 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated Use {@link #getScaledEdgeSlop()} instead. 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Deprecated 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getEdgeSlop() { 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return EDGE_SLOP; 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Inset in pixels to look for touchable content when the user touches the edge of the 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * screen 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getScaledEdgeSlop() { 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mEdgeSlop; 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Distance a touch can wander before we think the user is scrolling in pixels 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated Use {@link #getScaledTouchSlop()} instead. 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Deprecated 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getTouchSlop() { 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return TOUCH_SLOP; 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Distance a touch can wander before we think the user is scrolling in pixels 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getScaledTouchSlop() { 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTouchSlop; 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 485de8d0834fc2bc31f011fb3316757883e1b731440Adam Powell 486de8d0834fc2bc31f011fb3316757883e1b731440Adam Powell /** 487de8d0834fc2bc31f011fb3316757883e1b731440Adam Powell * @return Distance a touch can wander before we think the user is scrolling a full page 488de8d0834fc2bc31f011fb3316757883e1b731440Adam Powell * in dips 489de8d0834fc2bc31f011fb3316757883e1b731440Adam Powell */ 490de8d0834fc2bc31f011fb3316757883e1b731440Adam Powell public int getScaledPagingTouchSlop() { 491de8d0834fc2bc31f011fb3316757883e1b731440Adam Powell return mPagingTouchSlop; 492de8d0834fc2bc31f011fb3316757883e1b731440Adam Powell } 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Distance between the first touch and second touch to still be 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * considered a double tap 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated Use {@link #getScaledDoubleTapSlop()} instead. 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide The only client of this should be GestureDetector, which needs this 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for clients that still use its deprecated constructor. 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Deprecated 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getDoubleTapSlop() { 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return DOUBLE_TAP_SLOP; 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Distance between the first touch and second touch to still be 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * considered a double tap 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getScaledDoubleTapSlop() { 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDoubleTapSlop; 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 515736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov * @return Distance between a touch up event denoting the end of a touch exploration 516736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov * gesture and the touch up event of a subsequent tap for the latter tap to be 517736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov * considered as a tap i.e. to perform a click. 518736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov * 519736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov * @hide 520736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov */ 521736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov public int getScaledTouchExplorationTapSlop() { 522736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov return mScaledTouchExplorationTapSlop; 523736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov } 524736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov 525736c2756bf3c14ae9fef7255c119057f7a2be1edSvetoslav Ganov /** 526a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov * Interval for dispatching a recurring accessibility event in milliseconds. 527a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov * This interval guarantees that a recurring event will be send at most once 528a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov * during the {@link #getSendRecurringAccessibilityEventsInterval()} time frame. 529a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov * 530a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov * @return The delay in milliseconds. 531a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov * 532a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov * @hide 533a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov */ 534a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov public static long getSendRecurringAccessibilityEventsInterval() { 535a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov return SEND_RECURRING_ACCESSIBILITY_EVENTS_INTERVAL_MILLIS; 536a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov } 537a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov 538a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov /** 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Distance a touch must be outside the bounds of a window for it 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be counted as outside the window for purposes of dismissing that 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * window. 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated Use {@link #getScaledWindowTouchSlop()} instead. 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Deprecated 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getWindowTouchSlop() { 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return WINDOW_TOUCH_SLOP; 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Distance a touch must be outside the bounds of a window for it 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be counted as outside the window for purposes of dismissing that 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * window. 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getScaledWindowTouchSlop() { 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mWindowTouchSlop; 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Minimum velocity to initiate a fling, as measured in pixels per second. 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated Use {@link #getScaledMinimumFlingVelocity()} instead. 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Deprecated 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getMinimumFlingVelocity() { 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return MINIMUM_FLING_VELOCITY; 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Minimum velocity to initiate a fling, as measured in pixels per second. 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getScaledMinimumFlingVelocity() { 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMinimumFlingVelocity; 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5774296fc4d326447875c26a925f12b3935632f13bbRomain Guy * @return Maximum velocity to initiate a fling, as measured in pixels per second. 5784296fc4d326447875c26a925f12b3935632f13bbRomain Guy * 5794296fc4d326447875c26a925f12b3935632f13bbRomain Guy * @deprecated Use {@link #getScaledMaximumFlingVelocity()} instead. 5804296fc4d326447875c26a925f12b3935632f13bbRomain Guy */ 5814296fc4d326447875c26a925f12b3935632f13bbRomain Guy @Deprecated 5824296fc4d326447875c26a925f12b3935632f13bbRomain Guy public static int getMaximumFlingVelocity() { 5834296fc4d326447875c26a925f12b3935632f13bbRomain Guy return MAXIMUM_FLING_VELOCITY; 5844296fc4d326447875c26a925f12b3935632f13bbRomain Guy } 5854296fc4d326447875c26a925f12b3935632f13bbRomain Guy 5864296fc4d326447875c26a925f12b3935632f13bbRomain Guy /** 5874296fc4d326447875c26a925f12b3935632f13bbRomain Guy * @return Maximum velocity to initiate a fling, as measured in pixels per second. 5884296fc4d326447875c26a925f12b3935632f13bbRomain Guy */ 5894296fc4d326447875c26a925f12b3935632f13bbRomain Guy public int getScaledMaximumFlingVelocity() { 5904296fc4d326447875c26a925f12b3935632f13bbRomain Guy return mMaximumFlingVelocity; 5914296fc4d326447875c26a925f12b3935632f13bbRomain Guy } 5924296fc4d326447875c26a925f12b3935632f13bbRomain Guy 5934296fc4d326447875c26a925f12b3935632f13bbRomain Guy /** 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The maximum drawing cache size expressed in bytes. 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the maximum size of View's drawing cache expressed in bytes 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated Use {@link #getScaledMaximumDrawingCacheSize()} instead. 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Deprecated 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getMaximumDrawingCacheSize() { 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //noinspection deprecation 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return MAXIMUM_DRAWING_CACHE_SIZE; 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The maximum drawing cache size expressed in bytes. 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the maximum size of View's drawing cache expressed in bytes 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getScaledMaximumDrawingCacheSize() { 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMaximumDrawingCacheSize; 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 616637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * @return The maximum distance a View should overscroll by when showing edge effects. 617637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 618637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell public int getScaledOverscrollDistance() { 619637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return mOverscrollDistance; 620637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 621637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 622637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 623637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * @return The maximum distance a View should overfling by when showing edge effects. 624637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 625637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell public int getScaledOverflingDistance() { 626637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return mOverflingDistance; 627637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 628637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 629637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The amount of time that the zoom controls should be 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * displayed on the screen expressed in milliseconds. 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the time the zoom controls should be visible expressed 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in milliseconds. 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static long getZoomControlsTimeout() { 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ZOOM_CONTROLS_TIMEOUT; 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The amount of time a user needs to press the relevant key to bring up 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the global actions dialog. 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return how long a user needs to press the relevant key to bring up 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the global actions dialog. 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static long getGlobalActionKeyTimeout() { 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return GLOBAL_ACTIONS_KEY_TIMEOUT; 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The amount of friction applied to scrolls and flings. 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A scalar dimensionless value representing the coefficient of 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * friction. 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static float getScrollFriction() { 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return SCROLL_FRICTION; 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6608c4706252228755ed181d19532b7e0cfec270ba4Adam Powell 6618c4706252228755ed181d19532b7e0cfec270ba4Adam Powell /** 6628c4706252228755ed181d19532b7e0cfec270ba4Adam Powell * Report if the device has a permanent menu key available to the user. 6638c4706252228755ed181d19532b7e0cfec270ba4Adam Powell * 6648c4706252228755ed181d19532b7e0cfec270ba4Adam Powell * <p>As of Android 3.0, devices may not have a permanent menu key available. 6658c4706252228755ed181d19532b7e0cfec270ba4Adam Powell * Apps should use the action bar to present menu options to users. 6668c4706252228755ed181d19532b7e0cfec270ba4Adam Powell * However, there are some apps where the action bar is inappropriate 6678c4706252228755ed181d19532b7e0cfec270ba4Adam Powell * or undesirable. This method may be used to detect if a menu key is present. 6688c4706252228755ed181d19532b7e0cfec270ba4Adam Powell * If not, applications should provide another on-screen affordance to access 6698c4706252228755ed181d19532b7e0cfec270ba4Adam Powell * functionality. 6708c4706252228755ed181d19532b7e0cfec270ba4Adam Powell * 6718c4706252228755ed181d19532b7e0cfec270ba4Adam Powell * @return true if a permanent menu key is present, false otherwise. 6728c4706252228755ed181d19532b7e0cfec270ba4Adam Powell */ 6738c4706252228755ed181d19532b7e0cfec270ba4Adam Powell public boolean hasPermanentMenuKey() { 6748c4706252228755ed181d19532b7e0cfec270ba4Adam Powell return sHasPermanentMenuKey; 6758c4706252228755ed181d19532b7e0cfec270ba4Adam Powell } 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 677