1<?xml version="1.0" encoding="utf-8"?> 2<!-- 3 ~ Copyright (C) 2021 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 18<RelativeLayout 19 xmlns:android="http://schemas.android.com/apk/res/android" 20 xmlns:tools="http://schemas.android.com/tools" 21 android:layout_width="match_parent" 22 android:layout_height="match_parent" 23 android:gravity="left" 24 tools:context=".MainActivity" > 25 26 <LinearLayout 27 android:id="@+id/linearLayout1" 28 android:layout_width="fill_parent" 29 android:layout_height="wrap_content" 30 android:layout_below="@+id/seekShowTimes" 31 android:layout_centerHorizontal="true" 32 android:layout_marginTop="53dp" 33 android:orientation="horizontal" > 34 35 <Button 36 android:id="@+id/btnStart" 37 android:layout_width="wrap_content" 38 android:layout_height="wrap_content" 39 android:text="Start" /> 40 41 </LinearLayout> 42 43</RelativeLayout> 44