1<?xml version="1.0" encoding="utf-8"?> 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<android.support.percent.PercentRelativeLayout 18 xmlns:android="http://schemas.android.com/apk/res/android" 19 xmlns:app="http://schemas.android.com/apk/res-auto" 20 android:id="@+id/container" 21 android:layout_width="match_parent" 22 android:layout_height="match_parent"> 23 24 <!-- This child is anchored along the top edge of the parent, testing percent-based 25 left margin, top margin and width, as well as the aspect ratio. --> 26 <View 27 android:id="@+id/child_top" 28 android:layout_alignParentTop="true" 29 app:layout_widthPercent="50%" 30 app:layout_aspectRatio="2000%" 31 app:layout_marginLeftPercent="20%" 32 app:layout_marginTopPercent="5%" 33 android:background="#5690E0" /> 34 35 <!-- This child is anchored along the left edge of the parent, testing percent-based 36 left margin, top margin and height, as well as the aspect ratio. --> 37 <View 38 android:id="@+id/child_left" 39 android:layout_alignParentLeft="true" 40 app:layout_heightPercent="50%" 41 app:layout_aspectRatio="5%" 42 app:layout_marginLeftPercent="5%" 43 app:layout_marginTopPercent="20%" 44 android:background="#902030" /> 45 46 <!-- This child is anchored along the bottom edge of the parent, testing percent-based 47 right margin, bottom margin and width, as well as the aspect ratio. --> 48 <View 49 android:id="@+id/child_bottom" 50 android:layout_alignParentBottom="true" 51 android:layout_alignParentRight="true" 52 app:layout_widthPercent="40%" 53 app:layout_aspectRatio="2000%" 54 app:layout_marginRightPercent="20%" 55 app:layout_marginBottomPercent="5%" 56 android:background="#A0B040" /> 57 58 <!-- This child is anchored along the right edge of the parent, testing percent-based 59 right margin, bottom margin and height, as well as the aspect ratio. --> 60 <View 61 android:id="@+id/child_right" 62 android:layout_alignParentBottom="true" 63 android:layout_alignParentRight="true" 64 app:layout_heightPercent="40%" 65 app:layout_aspectRatio="5%" 66 app:layout_marginRightPercent="5%" 67 app:layout_marginBottomPercent="20%" 68 android:background="#20C0A0" /> 69 70 <!-- This child is anchored to be in the "center" of the parent by anchoring it with 71 percent-based margins relatively to its edge-aligned siblings. --> 72 <View 73 android:id="@+id/child_center" 74 android:layout_width="match_parent" 75 android:layout_height="match_parent" 76 android:layout_below="@+id/child_top" 77 android:layout_toRightOf="@+id/child_left" 78 android:layout_toLeftOf="@+id/child_right" 79 android:layout_above="@+id/child_bottom" 80 app:layout_marginPercent="10%" 81 android:background="#F07020" /> 82 83</android.support.percent.PercentRelativeLayout> 84 85