xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".SecondActivity">
android:background="@color/colorPrimaryDark"
android:text="top"
android:textSize="30sp"
android:gravity="center"
android:layout_width="match_parent"
android:layout_height="50dp" />
android:background="@color/colorAccent"
android:text="bottom"
android:textSize="30sp"
android:gravity="center"
android:layout_width="match_parent"
android:layout_height="match_parent" />
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".SecondActivity">
android:textColor="#fff"
android:background="@color/colorPrimaryDark"
android:text="top"
android:textSize="30sp"
android:gravity="center"
android:layout_width="match_parent"
android:layout_height="match_parent" />
android:background="@color/colorAccent"
android:text="bottom"
android:textSize="30sp"
android:gravity="center"
android:layout_width="match_parent"
android:layout_height="50dp" />
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".SecondActivity">
android:textColor="#fff"
android:background="@color/colorAccent"
android:text="top"
android:textSize="30sp"
android:gravity="center"
android:layout_width="match_parent"
android:layout_height="match_parent" />
android:textColor="#fff"
android:background="@color/colorPrimaryDark"
android:text="center"
android:textSize="30sp"
android:gravity="center"
android:layout_width="match_parent"
android:layout_height="match_parent" />
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".SecondActivity">
android:background="@color/colorAccent"
android:text="top"
android:textSize="30sp"
android:gravity="center"
android:layout_width="match_parent"
android:layout_height="50dp" />
android:textColor="#fff"
android:background="@color/colorPrimaryDark"
android:text="center"
android:textSize="30sp"
android:gravity="center"
android:layout_width="match_parent"
android:layout_height="match_parent" />
android:background="@color/colorAccent"
android:text="bottom"
android:textSize="30sp"
android:gravity="center"
android:layout_width="match_parent"
android:layout_height="50dp" />
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:orientation="horizontal"
android:layout_height="match_parent"
tools:context=".SecondActivity">
android:textSize="30sp"
android:text="左"
android:gravity="center"
android:background="@color/colorAccent"
android:layout_width="wrap_content"
android:layout_height="50dp" />
android:textColor="#fff"
android:textSize="30sp"
android:text="右"
android:background="@color/colorPrimaryDark"
android:layout_width="match_parent"
android:layout_height="50dp" />
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
tools:context=".SecondActivity">
android:textColor="#fff"
android:background="@color/colorPrimaryDark"
android:text="left"
android:textSize="30sp"
android:gravity="center"
android:layout_width="match_parent"
android:layout_height="50dp" />
android:background="@color/colorAccent"
android:text="right"
android:textSize="30sp"
android:gravity="center"
android:layout_width="wrap_content"
android:layout_height="50dp" />