1 /* 2 * Copyright (C) 2014 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 17 package androidx.appcompat.widget; 18 19 import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP; 20 21 import android.content.Context; 22 import android.content.res.ColorStateList; 23 import android.graphics.PorterDuff; 24 import android.graphics.drawable.Drawable; 25 import android.util.AttributeSet; 26 import android.widget.RadioButton; 27 28 import androidx.annotation.DrawableRes; 29 import androidx.annotation.Nullable; 30 import androidx.annotation.RestrictTo; 31 import androidx.appcompat.R; 32 import androidx.appcompat.content.res.AppCompatResources; 33 import androidx.core.widget.TintableCompoundButton; 34 35 /** 36 * A {@link RadioButton} which supports compatible features on older versions of the platform, 37 * including: 38 * <ul> 39 * <li>Allows dynamic tint of its background via the background tint methods in 40 * {@link androidx.core.widget.CompoundButtonCompat}.</li> 41 * <li>Allows setting of the background tint using {@link R.attr#buttonTint} and 42 * {@link R.attr#buttonTintMode}.</li> 43 * </ul> 44 * 45 * <p>This will automatically be used when you use {@link RadioButton} in your layouts 46 * and the top-level activity / dialog is provided by 47 * <a href="{@docRoot}topic/libraries/support-library/packages.html#v7-appcompat">appcompat</a>. 48 * You should only need to manually use this class when writing custom views.</p> 49 */ 50 public class AppCompatRadioButton extends RadioButton implements TintableCompoundButton { 51 52 private final AppCompatCompoundButtonHelper mCompoundButtonHelper; 53 private final AppCompatTextHelper mTextHelper; 54 AppCompatRadioButton(Context context)55 public AppCompatRadioButton(Context context) { 56 this(context, null); 57 } 58 AppCompatRadioButton(Context context, AttributeSet attrs)59 public AppCompatRadioButton(Context context, AttributeSet attrs) { 60 this(context, attrs, R.attr.radioButtonStyle); 61 } 62 AppCompatRadioButton(Context context, AttributeSet attrs, int defStyleAttr)63 public AppCompatRadioButton(Context context, AttributeSet attrs, int defStyleAttr) { 64 super(TintContextWrapper.wrap(context), attrs, defStyleAttr); 65 mCompoundButtonHelper = new AppCompatCompoundButtonHelper(this); 66 mCompoundButtonHelper.loadFromAttributes(attrs, defStyleAttr); 67 mTextHelper = new AppCompatTextHelper(this); 68 mTextHelper.loadFromAttributes(attrs, defStyleAttr); 69 } 70 71 @Override setButtonDrawable(Drawable buttonDrawable)72 public void setButtonDrawable(Drawable buttonDrawable) { 73 super.setButtonDrawable(buttonDrawable); 74 if (mCompoundButtonHelper != null) { 75 mCompoundButtonHelper.onSetButtonDrawable(); 76 } 77 } 78 79 @Override setButtonDrawable(@rawableRes int resId)80 public void setButtonDrawable(@DrawableRes int resId) { 81 setButtonDrawable(AppCompatResources.getDrawable(getContext(), resId)); 82 } 83 84 @Override getCompoundPaddingLeft()85 public int getCompoundPaddingLeft() { 86 final int value = super.getCompoundPaddingLeft(); 87 return mCompoundButtonHelper != null 88 ? mCompoundButtonHelper.getCompoundPaddingLeft(value) 89 : value; 90 } 91 92 /** 93 * This should be accessed from {@link androidx.core.widget.CompoundButtonCompat} 94 * @hide 95 */ 96 @RestrictTo(LIBRARY_GROUP) 97 @Override setSupportButtonTintList(@ullable ColorStateList tint)98 public void setSupportButtonTintList(@Nullable ColorStateList tint) { 99 if (mCompoundButtonHelper != null) { 100 mCompoundButtonHelper.setSupportButtonTintList(tint); 101 } 102 } 103 104 /** 105 * This should be accessed from {@link androidx.core.widget.CompoundButtonCompat} 106 * @hide 107 */ 108 @RestrictTo(LIBRARY_GROUP) 109 @Nullable 110 @Override getSupportButtonTintList()111 public ColorStateList getSupportButtonTintList() { 112 return mCompoundButtonHelper != null 113 ? mCompoundButtonHelper.getSupportButtonTintList() 114 : null; 115 } 116 117 /** 118 * This should be accessed from {@link androidx.core.widget.CompoundButtonCompat} 119 * @hide 120 */ 121 @RestrictTo(LIBRARY_GROUP) 122 @Override setSupportButtonTintMode(@ullable PorterDuff.Mode tintMode)123 public void setSupportButtonTintMode(@Nullable PorterDuff.Mode tintMode) { 124 if (mCompoundButtonHelper != null) { 125 mCompoundButtonHelper.setSupportButtonTintMode(tintMode); 126 } 127 } 128 129 /** 130 * This should be accessed from {@link androidx.core.widget.CompoundButtonCompat} 131 * @hide 132 */ 133 @RestrictTo(LIBRARY_GROUP) 134 @Nullable 135 @Override getSupportButtonTintMode()136 public PorterDuff.Mode getSupportButtonTintMode() { 137 return mCompoundButtonHelper != null 138 ? mCompoundButtonHelper.getSupportButtonTintMode() 139 : null; 140 } 141 } 142