1 /* 2 * Copyright (C) 2013 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 com.android.settings.location; 18 19 import android.content.Context; 20 import android.preference.CheckBoxPreference; 21 import android.util.AttributeSet; 22 import android.view.View; 23 import android.widget.TextView; 24 25 import com.android.settings.R; 26 27 /** 28 * Check box preference with check box replaced by radio button. 29 * 30 * Functionally speaking, it's actually a CheckBoxPreference. We only modified 31 * the widget to RadioButton to make it "look like" a RadioButtonPreference. 32 * 33 * In other words, there's no "RadioButtonPreferenceGroup" in this 34 * implementation. When you check one RadioButtonPreference, if you want to 35 * uncheck all the other preferences, you should do that by code yourself. 36 */ 37 public class RadioButtonPreference extends CheckBoxPreference { 38 public interface OnClickListener { 39 public abstract void onRadioButtonClicked(RadioButtonPreference emiter); 40 } 41 42 private OnClickListener mListener = null; 43 44 public RadioButtonPreference(Context context, AttributeSet attrs, int defStyle) { 45 super(context, attrs, defStyle); 46 setWidgetLayoutResource(R.layout.preference_widget_radiobutton); 47 } 48 49 public RadioButtonPreference(Context context, AttributeSet attrs) { 50 this(context, attrs, com.android.internal.R.attr.checkBoxPreferenceStyle); 51 } 52 53 public RadioButtonPreference(Context context) { 54 this(context, null); 55 } 56 57 void setOnClickListener(OnClickListener listener) { 58 mListener = listener; 59 } 60 61 @Override 62 public void onClick() { 63 if (mListener != null) { 64 mListener.onRadioButtonClicked(this); 65 } 66 } 67 68 @Override 69 protected void onBindView(View view) { 70 super.onBindView(view); 71 72 TextView title = (TextView) view.findViewById(android.R.id.title); 73 if (title != null) { 74 title.setSingleLine(false); 75 title.setMaxLines(3); 76 } 77 } 78 } 79