1<?xml version="1.0" encoding="utf-8"?><!-- 2 ~ Copyright (C) 2022 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 18<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 19 android:layout_width="match_parent" 20 android:layout_height="match_parent" 21 android:orientation="vertical" 22 android:clipChildren="false" 23 android:transitionGroup="true"> 24 25 <FrameLayout 26 android:id="@+id/section_header_container" 27 android:layout_width="match_parent" 28 android:layout_height="wrap_content"> 29 30 <include layout="@layout/section_header" /> 31 32 </FrameLayout> 33 34 <com.android.wallpaper.picker.DisplayAspectRatioFrameLayout 35 android:layout_width="match_parent" 36 android:layout_height="0dp" 37 android:layout_weight="1" 38 android:paddingTop="20dp" 39 android:paddingBottom="40dp"> 40 41 <include 42 android:id="@+id/preview" 43 layout="@layout/wallpaper_preview_card" 44 android:layout_width="0dp" 45 android:layout_height="match_parent" 46 android:layout_gravity="center"/> 47 48 </com.android.wallpaper.picker.DisplayAspectRatioFrameLayout> 49 50 <LinearLayout 51 android:layout_width="match_parent" 52 android:layout_height="wrap_content" 53 android:orientation="vertical" 54 android:layout_marginHorizontal="24dp" 55 android:layout_marginBottom="28dp" 56 android:background="@drawable/picker_fragment_background" 57 android:paddingTop="22dp" 58 android:paddingBottom="62dp" 59 android:clipChildren="false"> 60 61 <FrameLayout 62 android:layout_width="match_parent" 63 android:layout_height="wrap_content" 64 > 65 66 <androidx.recyclerview.widget.RecyclerView 67 android:id="@id/slot_tabs" 68 android:layout_width="wrap_content" 69 android:layout_height="wrap_content" 70 android:layout_gravity="center_horizontal" 71 android:clipToPadding="false" 72 android:paddingHorizontal="16dp" /> 73 74 <!-- 75 This is just an invisible placeholder put in place so that the parent keeps its height 76 stable as the RecyclerView updates from 0 items to N items. Keeping it stable allows the 77 layout logic to keep the size of the preview container stable as well, which bodes well 78 for setting up the SurfaceView for remote rendering without changing its size after the 79 content is loaded into the RecyclerView. 80 81 It's critical for any TextViews inside the included layout to have text. 82 --> 83 <include 84 layout="@layout/picker_fragment_tab" 85 android:layout_width="wrap_content" 86 android:layout_height="wrap_content" 87 android:visibility="invisible" /> 88 89 </FrameLayout> 90 91 <View 92 android:layout_width="0dp" 93 android:layout_height="22dp" /> 94 95 <FrameLayout 96 android:layout_width="match_parent" 97 android:layout_height="wrap_content" 98 android:clipChildren="false"> 99 100 <androidx.recyclerview.widget.RecyclerView 101 android:id="@id/affordances" 102 android:layout_width="wrap_content" 103 android:layout_height="wrap_content" 104 android:layout_gravity="center_horizontal" 105 android:clipToPadding="false" 106 android:paddingHorizontal="16dp" 107 android:clipChildren="false" /> 108 109 <!-- 110 This is just an invisible placeholder put in place so that the parent keeps its height 111 stable as the RecyclerView updates from 0 items to N items. Keeping it stable allows the 112 layout logic to keep the size of the preview container stable as well, which bodes well 113 for setting up the SurfaceView for remote rendering without changing its size after the 114 content is loaded into the RecyclerView. 115 116 It's critical for any TextViews inside the included layout to have text. 117 --> 118 <include 119 layout="@layout/keyguard_quick_affordance" 120 android:layout_width="wrap_content" 121 android:layout_height="wrap_content" 122 android:visibility="invisible" /> 123 124 </FrameLayout> 125 126 </LinearLayout> 127 128</LinearLayout> 129