1 /* 2 * Copyright (C) 2017 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.settingslib; 18 19 import android.content.Context; 20 import android.support.v7.preference.Preference; 21 import android.support.v7.preference.PreferenceViewHolder; 22 import android.util.AttributeSet; 23 import android.view.View; 24 25 public class TwoTargetPreference extends Preference { 26 TwoTargetPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)27 public TwoTargetPreference(Context context, AttributeSet attrs, 28 int defStyleAttr, int defStyleRes) { 29 super(context, attrs, defStyleAttr, defStyleRes); 30 init(); 31 } 32 TwoTargetPreference(Context context, AttributeSet attrs, int defStyleAttr)33 public TwoTargetPreference(Context context, AttributeSet attrs, int defStyleAttr) { 34 super(context, attrs, defStyleAttr); 35 init(); 36 } 37 TwoTargetPreference(Context context, AttributeSet attrs)38 public TwoTargetPreference(Context context, AttributeSet attrs) { 39 super(context, attrs); 40 init(); 41 } 42 TwoTargetPreference(Context context)43 public TwoTargetPreference(Context context) { 44 super(context); 45 init(); 46 } 47 init()48 private void init() { 49 setLayoutResource(R.layout.preference_two_target); 50 final int secondTargetResId = getSecondTargetResId(); 51 if (secondTargetResId != 0) { 52 setWidgetLayoutResource(secondTargetResId); 53 } 54 } 55 56 @Override onBindViewHolder(PreferenceViewHolder holder)57 public void onBindViewHolder(PreferenceViewHolder holder) { 58 super.onBindViewHolder(holder); 59 final View divider = holder.findViewById(R.id.two_target_divider); 60 final View widgetFrame = holder.findViewById(android.R.id.widget_frame); 61 final boolean shouldHideSecondTarget = shouldHideSecondTarget(); 62 if (divider != null) { 63 divider.setVisibility(shouldHideSecondTarget ? View.GONE : View.VISIBLE); 64 } 65 if (widgetFrame != null) { 66 widgetFrame.setVisibility(shouldHideSecondTarget ? View.GONE : View.VISIBLE); 67 } 68 } 69 shouldHideSecondTarget()70 protected boolean shouldHideSecondTarget() { 71 return getSecondTargetResId() == 0; 72 } 73 getSecondTargetResId()74 protected int getSecondTargetResId() { 75 return 0; 76 } 77 } 78