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 17 package com.android.setupwizardlib; 18 19 import android.content.Context; 20 import android.os.Bundle; 21 import android.support.v7.widget.RecyclerView; 22 import android.util.AttributeSet; 23 import android.view.LayoutInflater; 24 import android.view.View; 25 import android.view.ViewGroup; 26 27 import 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.GlifPreferenceLayout}. 51 * 52 * <p />Example: 53 * <pre>{@code 54 * <com.android.setupwizardlib.GlifPreferenceLayout 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, 64 * android.os.Bundle)} 65 */ 66 public class GlifPreferenceLayout extends GlifRecyclerLayout { 67 GlifPreferenceLayout(Context context)68 public GlifPreferenceLayout(Context context) { 69 super(context); 70 } 71 GlifPreferenceLayout(Context context, int template, int containerId)72 public GlifPreferenceLayout(Context context, int template, int containerId) { 73 super(context, template, containerId); 74 } 75 GlifPreferenceLayout(Context context, AttributeSet attrs)76 public GlifPreferenceLayout(Context context, AttributeSet attrs) { 77 super(context, attrs); 78 } 79 GlifPreferenceLayout(Context context, AttributeSet attrs, int defStyleAttr)80 public GlifPreferenceLayout(Context context, AttributeSet attrs, int defStyleAttr) { 81 super(context, attrs, defStyleAttr); 82 } 83 84 @Override findContainer(int containerId)85 protected ViewGroup findContainer(int containerId) { 86 if (containerId == 0) { 87 containerId = R.id.suw_layout_content; 88 } 89 return super.findContainer(containerId); 90 } 91 92 /** 93 * This method must be called in {@code PreferenceFragment#onCreateRecyclerView}. 94 */ onCreateRecyclerView(LayoutInflater inflater, ViewGroup parent, Bundle savedInstanceState)95 public RecyclerView onCreateRecyclerView(LayoutInflater inflater, ViewGroup parent, 96 Bundle savedInstanceState) { 97 return mRecyclerMixin.getRecyclerView(); 98 } 99 100 @Override onInflateTemplate(LayoutInflater inflater, int template)101 protected View onInflateTemplate(LayoutInflater inflater, int template) { 102 if (template == 0) { 103 template = R.layout.suw_glif_preference_template; 104 } 105 return super.onInflateTemplate(inflater, template); 106 } 107 108 @Override onTemplateInflated()109 protected void onTemplateInflated() { 110 // Inflate the recycler view here, so attributes on the decoration views can be applied 111 // immediately. 112 final LayoutInflater inflater = LayoutInflater.from(getContext()); 113 RecyclerView recyclerView = (RecyclerView) inflater.inflate( 114 R.layout.suw_glif_preference_recycler_view, this, false); 115 mRecyclerMixin = new RecyclerMixin(this, recyclerView); 116 } 117 } 118