1<?xml version="1.0" encoding="utf-8"?>
2<!--
3  ~ Copyright (C) 2017 The Android Open Source Project
4  ~
5  ~ Licensed under the Apache License, Version 2.0 (the "License");
6  ~ you may not use this file except in compliance with the License.
7  ~ You may obtain a copy of the License at
8  ~
9  ~      http://www.apache.org/licenses/LICENSE-2.0
10  ~
11  ~ Unless required by applicable law or agreed to in writing, software
12  ~ distributed under the License is distributed on an "AS IS" BASIS,
13  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  ~ See the License for the specific language governing permissions and
15  ~ limitations under the License.
16  -->
17<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
18              android:orientation="vertical"
19              android:layout_width="match_parent"
20              android:layout_height="match_parent" >
21
22    <RelativeLayout
23        android:layout_width="match_parent"
24        android:layout_height="match_parent"
25        android:layout_weight="1">
26
27        <Button
28            android:layout_marginLeft="40dp"
29            android:layout_width="40dp"
30            android:layout_height="40dp"
31            android:layout_alignParentLeft="true"
32            android:layout_centerVertical="true"
33            android:elevation="48dp"
34            android:stateListAnimator="@null"
35            android:background="@drawable/rounded_edge_rect"/>
36
37        <Button
38            android:layout_marginRight="40dp"
39            android:layout_width="40dp"
40            android:layout_height="40dp"
41            android:layout_alignParentRight="true"
42            android:layout_centerVertical="true"
43            android:elevation="48dp"
44            android:background="@drawable/rounded_edge_rect"
45            android:stateListAnimator="@null"/>
46
47    </RelativeLayout>
48
49    <RelativeLayout
50        android:layout_width="match_parent"
51        android:layout_height="match_parent"
52        android:layout_weight="1">
53
54        <Button
55            android:layout_marginLeft="40dp"
56            android:layout_width="48dp"
57            android:layout_height="40dp"
58            android:layout_alignParentLeft="true"
59            android:layout_centerVertical="true"
60            android:elevation="0dp"
61            android:background="@drawable/rounded_edge_rect"
62            android:stateListAnimator="@null"/>
63
64        <Button
65            android:layout_marginRight="40dp"
66            android:layout_width="48dp"
67            android:layout_height="40dp"
68            android:layout_alignParentRight="true"
69            android:layout_centerVertical="true"
70            android:elevation="100dp"
71            android:background="@drawable/rounded_edge_rect"
72            android:stateListAnimator="@null"/>
73
74    </RelativeLayout>
75
76    <RelativeLayout
77        android:layout_width="match_parent"
78        android:layout_height="match_parent"
79        android:layout_weight="1">
80
81        <Button
82            android:layout_marginLeft="40dp"
83            android:layout_width="40dp"
84            android:layout_height="48dp"
85            android:layout_alignParentLeft="true"
86            android:layout_centerVertical="true"
87            android:elevation="12dp"
88            android:background="@drawable/rounded_edge_rect"
89            android:stateListAnimator="@null"/>
90
91        <Button
92            android:layout_marginRight="40dp"
93            android:layout_width="40dp"
94            android:layout_height="48dp"
95            android:layout_alignParentRight="true"
96            android:layout_centerVertical="true"
97            android:elevation="36dp"
98            android:background="@drawable/rounded_edge_rect"
99            android:stateListAnimator="@null"/>
100
101    </RelativeLayout>
102
103    <RelativeLayout
104        android:layout_width="match_parent"
105        android:layout_height="match_parent"
106        android:layout_weight="1">
107        <Button
108            android:layout_marginLeft="40dp"
109            android:layout_width="48dp"
110            android:layout_height="40dp"
111            android:layout_alignParentLeft="true"
112            android:layout_centerVertical="true"
113            android:elevation="12dp"
114            android:stateListAnimator="@null"
115            android:background="@drawable/rounded_edge_rect"
116            android:alpha="0.1"/>
117
118        <Button
119            android:layout_marginRight="40dp"
120            android:layout_width="48dp"
121            android:layout_height="40dp"
122            android:layout_alignParentRight="true"
123            android:layout_centerVertical="true"
124            android:elevation="12dp"
125            android:stateListAnimator="@null"
126            android:background="@drawable/rounded_edge_rect"
127            android:alpha="0.5"/>
128    </RelativeLayout>
129</LinearLayout>
130