Activity convertion to View

ActivityToView.java

/**
 * <p>Helper class for managing multiple running embedded activities in the same
 * process. This class is not normally used directly, but rather created for
 * you as part of the {@link android.app.ActivityGroup} implementation.
 *
 * @see ActivityGroup
 *
 * @deprecated Use the new {@link Fragment} and {@link FragmentManager} APIs
 * instead; these are also
 * available on older platforms through the Android compatibility package.
 */
//@Deprecated
//public class LocalActivityManager
protected LocalActivityManager mLocalActivityManager;

public LocalActivityManager activityToView(ActivityGroup group) {
    LocalActivityManager mLocalActivityManager = group.getLocalActivityManager();
}
@SuppressWarnings("deprecation")
protected View activityToView(String id, String reType, Class<?> cls){
    Intent intent = new Intent(this, cls);
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    Window window = mLocalActivityManager.startActivity(id, intent);
    View view = window != null ? window.getDecorView() : null;
    if (view != null) {
        view.setVisibility(View.VISIBLE);
    }
    return view;
}
 
@SuppressWarnings("deprecation")
protected View activityToView(String id, Class<?> cls) {
    Intent intent = new Intent(this, cls);
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    Window window = mLocalActivityManager.startActivity(id, intent);
    View view = window != null ? window.getDecorView() : null;
    if (view != null) {
        view.setVisibility(View.VISIBLE);
    }
    return view;
}
 
@SuppressWarnings("deprecation")
protected View activityToView(String id, Intent aIntent) {
    Window window = mLocalActivityManager.startActivity(id, aIntent);
    View view = window != null ? window.getDecorView() : null;
    if (view != null) {
            view.setVisibility(View.VISIBLE);
    }
    return view;
}
 
@SuppressWarnings("deprecation")
protected View activityToView(String id, String type, Intent aIntent) {
    Window window = mLocalActivityManager.startActivity(id, aIntent);
    View view = window != null ? window.getDecorView() : null;
    if (view != null) {
        view.setVisibility(View.VISIBLE);
    }
    return view;
}