1<?xml version="1.0" encoding="utf-8"?> 2<RelativeLayout 3 xmlns:android="http://schemas.android.com/apk/res/android" 4 xmlns:tools="http://schemas.android.com/tools" 5 android:layout_width="match_parent" 6 android:layout_height="match_parent" 7 android:gravity="left" 8 tools:context=".MainActivity" > 9 10 <LinearLayout 11 android:id="@+id/linearLayout1" 12 android:layout_width="fill_parent" 13 android:layout_height="wrap_content" 14 android:layout_below="@+id/seekShowTimes" 15 android:layout_centerHorizontal="true" 16 android:layout_marginTop="53dp" 17 android:orientation="horizontal" > 18 19 <Button 20 android:id="@+id/btnStart" 21 android:layout_width="wrap_content" 22 android:layout_height="wrap_content" 23 android:text="Start" /> 24 25 </LinearLayout> 26 27</RelativeLayout> 28