1/* 2 * Copyright (C) 2016 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 17package com.android.setupwizardlib; 18 19import android.content.Context; 20import android.os.Bundle; 21import android.support.v7.widget.RecyclerView; 22import android.util.AttributeSet; 23import android.view.LayoutInflater; 24import android.view.View; 25import android.view.ViewGroup; 26 27/** 28 * A layout to be used with {@code PreferenceFragment} in v14 support library. This can be specified 29 * as the {@code android:layout} in the {@code app:preferenceFragmentStyle} in 30 * {@code app:preferenceTheme}. 31 * 32 * <p />Example: 33 * <pre>{@code 34 * <style android:name="MyActivityTheme"> 35 * <item android:name="preferenceTheme">@style/MyPreferenceTheme</item> 36 * </style> 37 * 38 * <style android:name="MyPreferenceTheme"> 39 * <item android:name="preferenceFragmentStyle">@style/MyPreferenceFragmentStyle</item> 40 * </style> 41 * 42 * <style android:name="MyPreferenceFragmentStyle"> 43 * <item android:name="android:layout">@layout/my_preference_layout</item> 44 * </style> 45 * }</pre> 46 * 47 * where {@code my_preference_layout} is a layout that contains 48 * {@link com.android.setupwizardlib.SetupWizardPreferenceLayout}. 49 * 50 * <p />Example: 51 * <pre>{@code 52 * <com.android.setupwizardlib.SetupWizardPreferenceLayout 53 * xmlns:android="http://schemas.android.com/apk/res/android" 54 * android:id="@id/list_container" 55 * android:layout_width="match_parent" 56 * android:layout_height="match_parent" /> 57 * }</pre> 58 * 59 * <p />Fragments using this layout <em>must</em> delegate {@code onCreateRecyclerView} to the 60 * implementation in this class: 61 * {@link #onCreateRecyclerView(android.view.LayoutInflater, android.view.ViewGroup, android.os.Bundle)} 62 */ 63public class SetupWizardPreferenceLayout extends SetupWizardRecyclerLayout { 64 65 private RecyclerView mRecyclerView; 66 67 public SetupWizardPreferenceLayout(Context context) { 68 super(context); 69 } 70 71 public SetupWizardPreferenceLayout(Context context, int template, int containerId) { 72 super(context, template, containerId); 73 } 74 75 public SetupWizardPreferenceLayout(Context context, AttributeSet attrs) { 76 super(context, attrs); 77 } 78 79 public SetupWizardPreferenceLayout(Context context, AttributeSet attrs, int defStyleAttr) { 80 super(context, attrs, defStyleAttr); 81 } 82 83 public RecyclerView getRecyclerView() { 84 return mRecyclerView; 85 } 86 87 @Override 88 protected ViewGroup findContainer(int containerId) { 89 if (containerId == 0) { 90 containerId = R.id.suw_layout_content; 91 } 92 return super.findContainer(containerId); 93 } 94 95 /** 96 * This method must be called in {@code PreferenceFragment#onCreateRecyclerView}. 97 */ 98 public RecyclerView onCreateRecyclerView(LayoutInflater inflater, ViewGroup parent, 99 Bundle savedInstanceState) { 100 return mRecyclerView; 101 } 102 103 @Override 104 protected View onInflateTemplate(LayoutInflater inflater, int template) { 105 if (template == 0) { 106 template = R.layout.suw_preference_template; 107 } 108 return super.onInflateTemplate(inflater, template); 109 } 110 111 @Override 112 protected void onTemplateInflated() { 113 // Inflate the recycler view here, so attributes on the decoration views can be applied 114 // immediately. 115 final LayoutInflater inflater = LayoutInflater.from(getContext()); 116 mRecyclerView = (RecyclerView) inflater.inflate(R.layout.suw_preference_recycler_view, 117 this, false); 118 initRecyclerView(mRecyclerView); 119 } 120} 121