The following code shows how to Align parent in RelativeLayout.
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <AnalogClock android:id="@+id/analog" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_centerHorizontal="true" android:layout_alignParentTop="true" /> <DigitalClock android:id="@+id/digital" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerHorizontal="true" android:layout_below="@id/analog" /> </RelativeLayout>
Java code
import android.app.Activity; import android.os.Bundle; /*from w ww . ja v a 2 s .co m*/ public class MainActivity extends Activity { @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.main); } }