1<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 2 xmlns:tools="http://schemas.android.com/tools" 3 android:id="@+id/LinearLayout1" 4 android:layout_width="match_parent" 5 android:layout_height="match_parent" 6 android:gravity="center" 7 android:orientation="vertical" 8 tools:context=".MainActivity" > 9 10 <TextView 11 android:layout_width="wrap_content" 12 android:layout_height="wrap_content" 13 android:padding="5dp" 14 android:text="@string/intro_message" /> 15 16 <TextView 17 android:id="@+id/textStatus" 18 android:layout_width="wrap_content" 19 android:layout_height="wrap_content" 20 android:gravity="center" 21 android:text="@string/secondary_notconnected" 22 android:textAppearance="?android:attr/textAppearanceLarge" 23 android:layout_margin="5dp" /> 24 25 <Button 26 android:id="@+id/button1" 27 android:layout_width="wrap_content" 28 android:layout_height="wrap_content" 29 android:enabled="false" 30 android:text="@string/change_color" /> 31 32</LinearLayout>