<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/root_launch" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.google.android.example.locktasktests.MainActivity" > <Button android:id="@+id/button_default" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="16dp" android:onClick="onButtonPressed" android:text="@string/launch_default" /> <Button android:id="@+id/button_never" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="16dp" android:onClick="onButtonPressed" android:text="@string/launch_never" /> <Button android:id="@+id/button_whitelist" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="16dp" android:onClick="onButtonPressed" android:text="@string/launch_whitelist" /> <Button android:id="@+id/button_always" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="16dp" android:onClick="onButtonPressed" android:text="@string/launch_always" /> <Button android:id="@+id/toast_pinned" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="16dp" android:onClick="onToast" android:text="@string/toast_pinned" /> </LinearLayout>