Display multiple activities using the ActivityGroup class

Package com. h. callsta; import android. app. activityGroup; import android. app. localActivityManager; import android. content. intent; import android. OS. bundle; import android. view. view; import android. view. window; import android. widget. linearLayout; public class DetailActivity extends ActivityGroup {private LinearLayout lo1, lo2; // LocalActivityManager object LocalActivityManager lam = getLocalActivityManager (); public void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. activity_detail); // obtain the LinearLayout object lo1 = (LinearLayout) findViewById (R. id. lo1); lo2 = (LinearLayout) findViewById (R. id. lo2); start_activity ();} public void start_activity () {// Load two windows Window win1 = lam. startActivity ("0", new Intent (DetailActivity. this, DetailChart. class); View view1 = win1.getDecorView (); lo1.addView (view1); Window win2 = lam. startActivity ("1", new Intent (DetailActivity. this, DetailList. class); View view2 = win2.getDecorView (); lo2.addView (view2 );}}

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/container"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" >    <LinearLayout        android:id="@+id/lo1"        android:layout_width="fill_parent"        android:layout_height="match_parent"        android:layout_weight="1"        android:orientation="vertical" >    </LinearLayout>    <LinearLayout        android:id="@+id/lo2"        android:layout_width="fill_parent"        android:layout_height="match_parent"        android:layout_weight="1"        android:orientation="vertical" >    </LinearLayout></LinearLayout>