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 27import com.android.setupwizardlib.template.RecyclerMixin; 28 29/** 30 * A layout to be used with {@code PreferenceFragment} in v14 support library. This can be specified 31 * as the {@code android:layout} in the {@code app:preferenceFragmentStyle} in 32 * {@code app:preferenceTheme}. 33 * 34 * <p />Example: 35 * <pre>{@code 36 * <style android:name="MyActivityTheme"> 37 * <item android:name="preferenceTheme">@style/MyPreferenceTheme</item> 38 * </style> 39 * 40 * <style android:name="MyPreferenceTheme"> 41 * <item android:name="preferenceFragmentStyle">@style/MyPreferenceFragmentStyle</item> 42 * </style> 43 * 44 * <style android:name="MyPreferenceFragmentStyle"> 45 * <item android:name="android:layout">@layout/my_preference_layout</item> 46 * </style> 47 * }</pre> 48 * 49 * where {@code my_preference_layout} is a layout that contains 50 * {@link com.android.setupwizardlib.SetupWizardPreferenceLayout}. 51 * 52 * <p />Example: 53 * <pre>{@code 54 * <com.android.setupwizardlib.SetupWizardPreferenceLayout 55 * xmlns:android="http://schemas.android.com/apk/res/android" 56 * android:id="@id/list_container" 57 * android:layout_width="match_parent" 58 * android:layout_height="match_parent" /> 59 * }</pre> 60 * 61 * <p />Fragments using this layout <em>must</em> delegate {@code onCreateRecyclerView} to the 62 * implementation in this class: 63 * {@link #onCreateRecyclerView(android.view.LayoutInflater, android.view.ViewGroup, android.os.Bundle)} 64 */ 65public class SetupWizardPreferenceLayout extends SetupWizardRecyclerLayout { 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 @Override 84 protected ViewGroup findContainer(int containerId) { 85 if (containerId == 0) { 86 containerId = R.id.suw_layout_content; 87 } 88 return super.findContainer(containerId); 89 } 90 91 /** 92 * This method must be called in {@code PreferenceFragment#onCreateRecyclerView}. 93 */ 94 public RecyclerView onCreateRecyclerView(LayoutInflater inflater, ViewGroup parent, 95 Bundle savedInstanceState) { 96 return mRecyclerMixin.getRecyclerView(); 97 } 98 99 @Override 100 protected View onInflateTemplate(LayoutInflater inflater, int template) { 101 if (template == 0) { 102 template = R.layout.suw_preference_template; 103 } 104 return super.onInflateTemplate(inflater, template); 105 } 106 107 @Override 108 protected void onTemplateInflated() { 109 // Inflate the recycler view here, so attributes on the decoration views can be applied 110 // immediately. 111 final LayoutInflater inflater = LayoutInflater.from(getContext()); 112 RecyclerView recyclerView = (RecyclerView) inflater.inflate( 113 R.layout.suw_preference_recycler_view, this, false); 114 mRecyclerMixin = new RecyclerMixin(this, recyclerView); 115 } 116} 117