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 17 package com.android.settings.applications; 18 19 import android.content.Context; 20 import android.content.res.TypedArray; 21 import android.support.v7.preference.Preference; 22 import android.support.v7.preference.PreferenceViewHolder; 23 import android.util.AttributeSet; 24 import android.view.LayoutInflater; 25 import android.view.View; 26 import android.view.ViewGroup; 27 import android.widget.FrameLayout; 28 29 import com.android.settings.R; 30 import com.android.settings.Utils; 31 32 public class LayoutPreference extends Preference { 33 34 private View mRootView; 35 LayoutPreference(Context context, AttributeSet attrs)36 public LayoutPreference(Context context, AttributeSet attrs) { 37 super(context, attrs); 38 final TypedArray a = context.obtainStyledAttributes( 39 attrs, com.android.internal.R.styleable.Preference, 0, 0); 40 int layoutResource = a.getResourceId(com.android.internal.R.styleable.Preference_layout, 41 0); 42 if (layoutResource == 0) { 43 throw new IllegalArgumentException("LayoutPreference requires a layout to be defined"); 44 } 45 // Need to create view now so that findViewById can be called immediately. 46 final View view = LayoutInflater.from(getContext()) 47 .inflate(layoutResource, null, false); 48 setView(view); 49 } 50 LayoutPreference(Context context, int resource)51 public LayoutPreference(Context context, int resource) { 52 this(context, LayoutInflater.from(context).inflate(resource, null, false)); 53 } 54 LayoutPreference(Context context, View view)55 public LayoutPreference(Context context, View view) { 56 super(context); 57 setView(view); 58 } 59 setView(View view)60 private void setView(View view) { 61 setLayoutResource(R.layout.layout_preference_frame); 62 setSelectable(false); 63 final ViewGroup allDetails = (ViewGroup) view.findViewById(R.id.all_details); 64 if (allDetails != null) { 65 Utils.forceCustomPadding(allDetails, true /* additive padding */); 66 } 67 mRootView = view; 68 setShouldDisableView(false); 69 } 70 71 @Override onBindViewHolder(PreferenceViewHolder view)72 public void onBindViewHolder(PreferenceViewHolder view) { 73 FrameLayout layout = (FrameLayout) view.itemView; 74 layout.removeAllViews(); 75 ViewGroup parent = (ViewGroup) mRootView.getParent(); 76 if (parent != null) { 77 parent.removeView(mRootView); 78 } 79 layout.addView(mRootView); 80 } 81 findViewById(int id)82 public View findViewById(int id) { 83 return mRootView.findViewById(id); 84 } 85 86 } 87