RadioGroup.java revision c01a873c4f68518be4698077c7eb593a6a3b9f4c
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
196d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme
207b9c912f536925ac6ec43935d6e97506851b33d6Tor Norbyeimport android.annotation.IdRes;
219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context;
229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray;
239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet;
246d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Lemeimport android.util.Log;
259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View;
269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup;
27c01a873c4f68518be4698077c7eb593a6a3b9f4cFelipe Lemeimport android.view.ViewStructure;
285882c4f5d2ff552a233ba88d2445f6810dd7599bFelipe Lemeimport android.view.autofill.AutoFillManager;
296d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Lemeimport android.view.autofill.AutoFillType;
306d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Lemeimport android.view.autofill.AutoFillValue;
319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
3299441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikasimport com.android.internal.R;
3399441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas
349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/**
369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>This class is used to create a multiple-exclusion scope for a set of radio
379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * buttons. Checking one radio button that belongs to a radio group unchecks
389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * any previously checked radio button within the same group.</p>
399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *
409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Intially, all of the radio buttons are unchecked. While it is not possible
419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to uncheck a particular radio button, the radio group can be cleared to
429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * remove the checked state.</p>
439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *
449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The selection is identified by the unique id of the radio button as defined
459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the XML layout file.</p>
469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *
479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p><strong>XML Attributes</strong></p>
4899441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas * <p>See {@link android.R.styleable#RadioGroup RadioGroup Attributes},
499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.styleable#LinearLayout LinearLayout Attributes},
509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.styleable#ViewGroup ViewGroup Attributes},
519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.styleable#View View Attributes}</p>
529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Also see
539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.widget.LinearLayout.LayoutParams LinearLayout.LayoutParams}
549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for layout attributes.</p>
5599441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas *
569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see RadioButton
579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *
589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */
599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class RadioGroup extends LinearLayout {
606d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme
619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    // holds the checked id; the selection is empty by default
629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    private int mCheckedId = -1;
639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    // tracks children radio buttons checked state
649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    private CompoundButton.OnCheckedChangeListener mChildOnCheckedChangeListener;
659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    // when true, mOnCheckedChangeListener discards events
669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    private boolean mProtectFromCheckedChange = false;
679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    private OnCheckedChangeListener mOnCheckedChangeListener;
689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    private PassThroughHierarchyChangeListener mPassThroughListener;
699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
70c01a873c4f68518be4698077c7eb593a6a3b9f4cFelipe Leme    // Indicates whether the child was set from resources or dynamically, so it can be used
71c01a873c4f68518be4698077c7eb593a6a3b9f4cFelipe Leme    // to sanitize auto-fill requests.
72c01a873c4f68518be4698077c7eb593a6a3b9f4cFelipe Leme    private int mInitialCheckedId = View.NO_ID;
73c01a873c4f68518be4698077c7eb593a6a3b9f4cFelipe Leme
749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    /**
759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * {@inheritDoc}
769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     */
779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    public RadioGroup(Context context) {
789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        super(context);
799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        setOrientation(VERTICAL);
809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        init();
819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    /**
849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * {@inheritDoc}
859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     */
869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    public RadioGroup(Context context, AttributeSet attrs) {
879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        super(context, attrs);
889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        // retrieve selected radio button as requested by the user in the
909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        // XML layout file
919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        TypedArray attributes = context.obtainStyledAttributes(
929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                attrs, com.android.internal.R.styleable.RadioGroup, com.android.internal.R.attr.radioButtonStyle, 0);
939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        int value = attributes.getResourceId(R.styleable.RadioGroup_checkedButton, View.NO_ID);
959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        if (value != View.NO_ID) {
969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            mCheckedId = value;
97c01a873c4f68518be4698077c7eb593a6a3b9f4cFelipe Leme            mInitialCheckedId = value;
989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        final int index = attributes.getInt(com.android.internal.R.styleable.RadioGroup_orientation, VERTICAL);
1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        setOrientation(index);
1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        attributes.recycle();
1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        init();
1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    private void init() {
1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        mChildOnCheckedChangeListener = new CheckedStateTracker();
1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        mPassThroughListener = new PassThroughHierarchyChangeListener();
1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        super.setOnHierarchyChangeListener(mPassThroughListener);
1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    /**
1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * {@inheritDoc}
1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     */
1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    @Override
1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    public void setOnHierarchyChangeListener(OnHierarchyChangeListener listener) {
1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        // the user listener is delegated to our pass-through listener
1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        mPassThroughListener.mOnHierarchyChangeListener = listener;
1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    /**
1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * {@inheritDoc}
1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     */
1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    @Override
1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    protected void onFinishInflate() {
1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        super.onFinishInflate();
1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        // checks the appropriate radio button as requested in the XML file
1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        if (mCheckedId != -1) {
1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            mProtectFromCheckedChange = true;
1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            setCheckedStateForView(mCheckedId, true);
1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            mProtectFromCheckedChange = false;
1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            setCheckedId(mCheckedId);
1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    @Override
1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    public void addView(View child, int index, ViewGroup.LayoutParams params) {
1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        if (child instanceof RadioButton) {
1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            final RadioButton button = (RadioButton) child;
1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            if (button.isChecked()) {
1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                mProtectFromCheckedChange = true;
1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                if (mCheckedId != -1) {
1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                    setCheckedStateForView(mCheckedId, false);
1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                }
1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                mProtectFromCheckedChange = false;
1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                setCheckedId(button.getId());
1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            }
1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        super.addView(child, index, params);
1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    /**
1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * <p>Sets the selection to the radio button whose identifier is passed in
1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * parameter. Using -1 as the selection identifier clears the selection;
1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * such an operation is equivalent to invoking {@link #clearCheck()}.</p>
1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     *
1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * @param id the unique id of the radio button to select in this group
1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     *
1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * @see #getCheckedRadioButtonId()
1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * @see #clearCheck()
1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     */
1647b9c912f536925ac6ec43935d6e97506851b33d6Tor Norbye    public void check(@IdRes int id) {
1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        // don't even bother
1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        if (id != -1 && (id == mCheckedId)) {
1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            return;
1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        if (mCheckedId != -1) {
1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            setCheckedStateForView(mCheckedId, false);
1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        if (id != -1) {
1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            setCheckedStateForView(id, true);
1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        setCheckedId(id);
1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
1817b9c912f536925ac6ec43935d6e97506851b33d6Tor Norbye    private void setCheckedId(@IdRes int id) {
1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        mCheckedId = id;
1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        if (mOnCheckedChangeListener != null) {
1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            mOnCheckedChangeListener.onCheckedChanged(this, mCheckedId);
1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
1865882c4f5d2ff552a233ba88d2445f6810dd7599bFelipe Leme        final AutoFillManager afm = mContext.getSystemService(AutoFillManager.class);
1875882c4f5d2ff552a233ba88d2445f6810dd7599bFelipe Leme        if (afm != null) {
1885882c4f5d2ff552a233ba88d2445f6810dd7599bFelipe Leme            afm.valueChanged(this);
1895882c4f5d2ff552a233ba88d2445f6810dd7599bFelipe Leme        }
1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    private void setCheckedStateForView(int viewId, boolean checked) {
1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        View checkedView = findViewById(viewId);
1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        if (checkedView != null && checkedView instanceof RadioButton) {
1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            ((RadioButton) checkedView).setChecked(checked);
1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    /**
2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * <p>Returns the identifier of the selected radio button in this group.
2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * Upon empty selection, the returned value is -1.</p>
2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     *
2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * @return the unique id of the selected radio button in this group
2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     *
2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * @see #check(int)
2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * @see #clearCheck()
207aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne     *
208aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne     * @attr ref android.R.styleable#RadioGroup_checkedButton
2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     */
2107b9c912f536925ac6ec43935d6e97506851b33d6Tor Norbye    @IdRes
2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    public int getCheckedRadioButtonId() {
2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        return mCheckedId;
2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    /**
2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * <p>Clears the selection. When the selection is cleared, no radio button
2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * in this group is selected and {@link #getCheckedRadioButtonId()} returns
2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * null.</p>
2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     *
2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * @see #check(int)
2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * @see #getCheckedRadioButtonId()
2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     */
2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    public void clearCheck() {
2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        check(-1);
2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    /**
2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * <p>Register a callback to be invoked when the checked radio button
2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * changes in this group.</p>
2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     *
2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * @param listener the callback to call on checked state change
2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     */
2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    public void setOnCheckedChangeListener(OnCheckedChangeListener listener) {
2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        mOnCheckedChangeListener = listener;
2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    /**
2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * {@inheritDoc}
2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     */
2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    @Override
2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    public LayoutParams generateLayoutParams(AttributeSet attrs) {
2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        return new RadioGroup.LayoutParams(getContext(), attrs);
2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    /**
2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * {@inheritDoc}
2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     */
2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    @Override
2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    protected boolean checkLayoutParams(ViewGroup.LayoutParams p) {
2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        return p instanceof RadioGroup.LayoutParams;
2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    @Override
2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    protected LinearLayout.LayoutParams generateDefaultLayoutParams() {
2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        return new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
2588a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov    @Override
259a7bb6fbeab933326d58aa806d8194b7b13239d34Dianne Hackborn    public CharSequence getAccessibilityClassName() {
260a7bb6fbeab933326d58aa806d8194b7b13239d34Dianne Hackborn        return RadioGroup.class.getName();
2618a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov    }
2628a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov
2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    /**
2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * <p>This set of layout parameters defaults the width and the height of
2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * the children to {@link #WRAP_CONTENT} when they are not specified in the
2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * XML file. Otherwise, this class ussed the value read from the XML file.</p>
2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     *
2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * <p>See
2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * {@link android.R.styleable#LinearLayout_Layout LinearLayout Attributes}
2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * for a list of all child view attributes that this class supports.</p>
2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     *
2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     */
2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    public static class LayoutParams extends LinearLayout.LayoutParams {
2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        /**
2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         * {@inheritDoc}
2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         */
2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        public LayoutParams(Context c, AttributeSet attrs) {
2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            super(c, attrs);
2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        /**
2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         * {@inheritDoc}
2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         */
2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        public LayoutParams(int w, int h) {
2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            super(w, h);
2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        /**
2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         * {@inheritDoc}
2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         */
2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        public LayoutParams(int w, int h, float initWeight) {
2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            super(w, h, initWeight);
2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        /**
2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         * {@inheritDoc}
2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         */
2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        public LayoutParams(ViewGroup.LayoutParams p) {
2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            super(p);
3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        /**
3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         * {@inheritDoc}
3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         */
3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        public LayoutParams(MarginLayoutParams source) {
3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            super(source);
3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
308579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke
309579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke        /**
310579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke         * <p>Fixes the child's width to
311579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke         * {@link android.view.ViewGroup.LayoutParams#WRAP_CONTENT} and the child's
312579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke         * height to  {@link android.view.ViewGroup.LayoutParams#WRAP_CONTENT}
313579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke         * when not specified in the XML file.</p>
314579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke         *
315579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke         * @param a the styled attributes set
316579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke         * @param widthAttr the width attribute to fetch
317579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke         * @param heightAttr the height attribute to fetch
318579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke         */
319579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke        @Override
320579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke        protected void setBaseAttributes(TypedArray a,
321579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke                int widthAttr, int heightAttr) {
322579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke
323579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke            if (a.hasValue(widthAttr)) {
324579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke                width = a.getLayoutDimension(widthAttr, "layout_width");
325579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke            } else {
326579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke                width = WRAP_CONTENT;
327579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke            }
32899441c5d7da45c10b729185852be97cbb0bdc8d5Aurimas Liutikas
329579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke            if (a.hasValue(heightAttr)) {
330579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke                height = a.getLayoutDimension(heightAttr, "layout_height");
331579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke            } else {
332579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke                height = WRAP_CONTENT;
333579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke            }
334579e14016c4a972e70cd2bd0c6d89bbd7e9e941cDave Burke        }
3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    /**
3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * <p>Interface definition for a callback to be invoked when the checked
3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * radio button changed in this group.</p>
3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     */
3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    public interface OnCheckedChangeListener {
3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        /**
3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         * <p>Called when the checked radio button has changed. When the
3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         * selection is cleared, checkedId is -1.</p>
3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         *
3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         * @param group the group in which the checked radio button has changed
3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         * @param checkedId the unique identifier of the newly checked radio button
3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         */
3497b9c912f536925ac6ec43935d6e97506851b33d6Tor Norbye        public void onCheckedChanged(RadioGroup group, @IdRes int checkedId);
3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    private class CheckedStateTracker implements CompoundButton.OnCheckedChangeListener {
3536d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme        @Override
3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            // prevents from infinite recursion
3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            if (mProtectFromCheckedChange) {
3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                return;
3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            }
3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            mProtectFromCheckedChange = true;
3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            if (mCheckedId != -1) {
3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                setCheckedStateForView(mCheckedId, false);
3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            }
3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            mProtectFromCheckedChange = false;
3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            int id = buttonView.getId();
3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            setCheckedId(id);
3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    /**
3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * <p>A pass-through listener acts upon the events and dispatches them
3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * to another listener. This allows the table layout to set its own internal
3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     * hierarchy change listener without preventing the user to setup his.</p>
3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project     */
3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    private class PassThroughHierarchyChangeListener implements
3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            ViewGroup.OnHierarchyChangeListener {
3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        private ViewGroup.OnHierarchyChangeListener mOnHierarchyChangeListener;
3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        /**
3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         * {@inheritDoc}
3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         */
3836d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme        @Override
3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        public void onChildViewAdded(View parent, View child) {
3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            if (parent == RadioGroup.this && child instanceof RadioButton) {
3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                int id = child.getId();
3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                // generates an id if it's missing
3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                if (id == View.NO_ID) {
389a9108a217e039492855fbeacda2ab6c4f4a3f70aAdam Powell                    id = View.generateViewId();
3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                    child.setId(id);
3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                }
3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                ((RadioButton) child).setOnCheckedChangeWidgetListener(
3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                        mChildOnCheckedChangeListener);
3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            }
3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            if (mOnHierarchyChangeListener != null) {
3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                mOnHierarchyChangeListener.onChildViewAdded(parent, child);
3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            }
3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        /**
4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         * {@inheritDoc}
4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project         */
4046d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme        @Override
4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        public void onChildViewRemoved(View parent, View child) {
4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            if (parent == RadioGroup.this && child instanceof RadioButton) {
4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                ((RadioButton) child).setOnCheckedChangeWidgetListener(null);
4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            }
4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            if (mOnHierarchyChangeListener != null) {
4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project                mOnHierarchyChangeListener.onChildViewRemoved(parent, child);
4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            }
4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        }
4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
4156d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme
416bab851c7c9dfe6f3d063a1009c4d57cfa2ff005cFelipe Leme    // TODO(b/33197203): add unit/CTS tests for auto-fill methods (and make sure they handle enable)
4176d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme
4180200d9ea1509089c0c03b7071aa271e3a9b35c11Felipe Leme    @Override
419c01a873c4f68518be4698077c7eb593a6a3b9f4cFelipe Leme    public void onProvideAutoFillStructure(ViewStructure structure, int flags) {
420c01a873c4f68518be4698077c7eb593a6a3b9f4cFelipe Leme        super.onProvideAutoFillStructure(structure, flags);
421c01a873c4f68518be4698077c7eb593a6a3b9f4cFelipe Leme        structure.setSanitized(mCheckedId == mInitialCheckedId);
422c01a873c4f68518be4698077c7eb593a6a3b9f4cFelipe Leme    }
423c01a873c4f68518be4698077c7eb593a6a3b9f4cFelipe Leme
424c01a873c4f68518be4698077c7eb593a6a3b9f4cFelipe Leme    @Override
4256d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme    public void autoFill(AutoFillValue value) {
426bab851c7c9dfe6f3d063a1009c4d57cfa2ff005cFelipe Leme        if (!isEnabled()) return;
427bab851c7c9dfe6f3d063a1009c4d57cfa2ff005cFelipe Leme
4286d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme        final int index = value.getListValue();
4296d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme        final View child = getChildAt(index);
4306d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme        if (child == null) {
4316d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme            Log.w(VIEW_LOG_TAG, "RadioGroup.autoFill(): no child with index " + index);
4326d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme            return;
4336d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme        }
4346d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme        check(child.getId());
4356d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme    }
4366d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme
4376d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme    @Override
4386d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme    public AutoFillType getAutoFillType() {
4396d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme        return AutoFillType.forList();
4406d553874bed06280766ae24ea605f9bbde3f5a4aFelipe Leme    }
441bab851c7c9dfe6f3d063a1009c4d57cfa2ff005cFelipe Leme
442bab851c7c9dfe6f3d063a1009c4d57cfa2ff005cFelipe Leme    @Override
443bab851c7c9dfe6f3d063a1009c4d57cfa2ff005cFelipe Leme    public AutoFillValue getAutoFillValue() {
444d09ccb8db6c541f2d349b923bf9b38f1081aaa8dFelipe Leme        if (!isEnabled()) return null;
445d09ccb8db6c541f2d349b923bf9b38f1081aaa8dFelipe Leme
446d09ccb8db6c541f2d349b923bf9b38f1081aaa8dFelipe Leme        final int count = getChildCount();
447d09ccb8db6c541f2d349b923bf9b38f1081aaa8dFelipe Leme        for (int i = 0; i < count; i++) {
448d09ccb8db6c541f2d349b923bf9b38f1081aaa8dFelipe Leme            final View child = getChildAt(i);
449d09ccb8db6c541f2d349b923bf9b38f1081aaa8dFelipe Leme            if (child.getId() == mCheckedId) {
450d09ccb8db6c541f2d349b923bf9b38f1081aaa8dFelipe Leme                return AutoFillValue.forList(i);
451d09ccb8db6c541f2d349b923bf9b38f1081aaa8dFelipe Leme            }
452d09ccb8db6c541f2d349b923bf9b38f1081aaa8dFelipe Leme        }
453d09ccb8db6c541f2d349b923bf9b38f1081aaa8dFelipe Leme        return null;
454bab851c7c9dfe6f3d063a1009c4d57cfa2ff005cFelipe Leme    }
4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}
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