1 <?xml version="1.0" encoding="utf-8"?> 2 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 xmlns:app="http://schemas.android.com/apk/res-auto" 4 xmlns:tools="http://schemas.android.com/tools" 5 android:layout_width="match_parent" 6 android:layout_height="match_parent" 7 tools:context=".MainActivity"> 8 9 10 <Button 11 android:id="@+id/a1" 12 android:layout_width="100dp" 13 android:layout_height="100dp" 14 android:layout_centerInParent="true" 15 android:background="#67dcd2" 16 /> 17 18 <Button 19 android:id="@+id/a2" 20 android:layout_width="100dp" 21 android:layout_height="100dp" 22 android:layout_above="@id/a1" 23 android:layout_alignRight="@+id/a1" 24 android:background="#b44ff2" 25 /> 26 27 <Button 28 android:id="@+id/a3" 29 android:layout_width="100dp" 30 android:layout_height="100dp" 31 android:layout_below="@id/a1" 32 android:layout_alignRight="@+id/a1" 33 android:background="#b44ff2" 34 /> 35 36 <Button 37 android:id="@+id/a4" 38 android:layout_width="100dp" 39 android:layout_height="100dp" 40 android:layout_above="@id/a1" 41 android:layout_toLeftOf="@+id/a1" 42 android:background="#c36666" 43 /> 44 45 <Button 46 android:id="@+id/a5" 47 android:layout_width="100dp" 48 android:layout_height="100dp" 49 android:layout_above="@id/a1" 50 android:layout_toRightOf="@+id/a1" 51 android:background="#7CFC00" 52 /> 53 54 <Button 55 android:id="@+id/a6" 56 android:layout_width="100dp" 57 android:layout_height="100dp" 58 android:layout_below="@id/a1" 59 android:layout_toLeftOf="@+id/a1" 60 android:background="#303030" 61 /> 62 63 <Button 64 android:id="@+id/a7" 65 android:layout_width="100dp" 66 android:layout_height="100dp" 67 android:layout_below="@id/a1" 68 android:layout_toRightOf="@+id/a1" 69 android:background="#3941ff" 70 /> 71 72 <Button 73 android:id="@+id/a8" 74 android:layout_width="100dp" 75 android:layout_height="100dp" 76 android:layout_toLeftOf="@id/a1" 77 android:layout_alignBottom="@+id/a1" 78 android:background="#b44ff2" 79 /> 80 81 <Button 82 android:id="@+id/a9" 83 android:layout_width="100dp" 84 android:layout_height="100dp" 85 android:layout_toRightOf="@id/a1" 86 android:layout_alignBottom="@+id/a1" 87 android:background="#b44ff2" 88 /> 89 90 91 92 93 </RelativeLayout>