1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package android.databinding.adapters; 17 18 import android.databinding.BindingAdapter; 19 import android.databinding.BindingMethod; 20 import android.databinding.BindingMethods; 21 import android.databinding.InverseBindingListener; 22 import android.databinding.InverseBindingMethod; 23 import android.databinding.InverseBindingMethods; 24 import android.widget.CompoundButton; 25 import android.widget.CompoundButton.OnCheckedChangeListener; 26 27 @BindingMethods({ 28 @BindingMethod(type = CompoundButton.class, attribute = "android:buttonTint", method = "setButtonTintList"), 29 @BindingMethod(type = CompoundButton.class, attribute = "android:onCheckedChanged", method = "setOnCheckedChangeListener"), 30 }) 31 @InverseBindingMethods({ 32 @InverseBindingMethod(type = CompoundButton.class, attribute = "android:checked"), 33 }) 34 public class CompoundButtonBindingAdapter { 35 36 @BindingAdapter("android:checked") 37 public static void setChecked(CompoundButton view, boolean checked) { 38 if (view.isChecked() != checked) { 39 view.setChecked(checked); 40 } 41 } 42 43 @BindingAdapter(value = {"android:onCheckedChanged", "android:checkedAttrChanged"}, 44 requireAll = false) 45 public static void setListeners(CompoundButton view, final OnCheckedChangeListener listener, 46 final InverseBindingListener attrChange) { 47 if (attrChange == null) { 48 view.setOnCheckedChangeListener(listener); 49 } else { 50 view.setOnCheckedChangeListener(new OnCheckedChangeListener() { 51 @Override 52 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 53 if (listener != null) { 54 listener.onCheckedChanged(buttonView, isChecked); 55 } 56 attrChange.onChange(); 57 } 58 }); 59 } 60 } 61 62 } 63
