[Android]使用ActivityGroup来切换Activity和Layout

<? xml version="1.0" encoding="utf-8" ?>
< LinearLayout  xmlns:android ="http://schemas.android.com/apk/res/android"
    android:layout_width ="fill_parent"  android:orientation ="vertical"
    android:layout_height ="fill_parent" >
     < LinearLayout  android:gravity ="center_horizontal"
        android:background ="@drawable/myinfor2"  android:layout_width ="fill_parent"
        android:layout_height ="wrap_content" >
         < TextView  android:id ="@+id/cust_title"  android:textColor ="@android:color/white"
            android:textSize ="28sp"  android:text ="模块1"  android:layout_width ="wrap_content"
            android:layout_height ="wrap_content" ></ TextView >
     </ LinearLayout >
     <!--  中间动态加载View  -->
     < ScrollView  android:measureAllChildren ="true"  android:id ="@+id/containerBody"
        android:layout_weight ="1"  android:layout_height ="fill_parent"
        android:layout_width ="fill_parent" >
     </ ScrollView >
     < LinearLayout  android:background ="@android:color/black"
        android:layout_gravity ="bottom"  android:orientation ="horizontal"
        android:layout_width ="fill_parent"  android:layout_height ="wrap_content" >
         <!--  功能模块按钮1  -->
         < ImageView  android:id ="@+id/btnModule1"  android:src ="@android:drawable/ic_dialog_dialer"
            android:layout_marginLeft ="7dp"  android:layout_marginTop ="3dp"
            android:layout_marginBottom ="3dp"  android:layout_width ="wrap_content"
            android:layout_height ="wrap_content"   />
         <!--  功能模块按钮2  -->
         < ImageView  android:id ="@+id/btnModule2"  android:src ="@android:drawable/ic_dialog_info"
            android:layout_marginLeft ="7dp"  android:layout_marginTop ="3dp"
            android:layout_marginBottom ="3dp"  android:layout_width ="wrap_content"
            android:layout_height ="wrap_content"   />
         <!--  功能模块按钮3  -->
         < ImageView  android:id ="@+id/btnModule3"  android:src ="@android:drawable/ic_dialog_alert"
            android:layout_marginLeft ="7dp"  android:layout_marginTop ="3dp"
            android:layout_marginBottom ="3dp"  android:layout_width ="wrap_content"
            android:layout_height ="wrap_content"   />
     </ LinearLayout >
</ LinearLayout >

/**
 * 使用ActivityGroup来切换Activity和Layout
 *  @author  农民伯伯
 *  @version  2010-9-7
 * 
  */
public   class  TestView  extends  ActivityGroup {

     private  ScrollView container  =   null ;

    @Override
     protected   void  onCreate(Bundle savedInstanceState) {
         super .onCreate(savedInstanceState);
         //  隐藏标题栏
        requestWindowFeature(Window.FEATURE_NO_TITLE);
         //  设置视图
        setContentView(R.layout.layout);

        container  =  (ScrollView) findViewById(R.id.containerBody);

         //  模块1
        ImageView btnModule1  =  (ImageView) findViewById(R.id.btnModule1);
        btnModule1.setOnClickListener( new  OnClickListener() {
            @Override
             public   void  onClick(View v) {
                container.removeAllViews();
                container.addView(getLocalActivityManager().startActivity(
                         " Module1 " ,
                         new  Intent(TestView. this , ModuleView1. class )
                                .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP))
                        .getDecorView());
            }
        });

         //  模块2
        ImageView btnModule2  =  (ImageView) findViewById(R.id.btnModule2);
        btnModule2.setOnClickListener( new  OnClickListener() {
            @Override
             public   void  onClick(View v) {
                container.removeAllViews();
                container.addView(getLocalActivityManager().startActivity(
                         " Module2 " ,
                         new  Intent(TestView. this , ModuleView2. class )
                                .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP))
                        .getDecorView());
            }
        });

         //  模块3
        ImageView btnModule3  =  (ImageView) findViewById(R.id.btnModule3);
        btnModule3.setOnClickListener( new  OnClickListener() {
            @Override
             public   void  onClick(View v) {
                container.removeAllViews();
                container.addView(getLocalActivityManager().startActivity(
                         " Module3 " ,
                         new  Intent(TestView. this , ModuleView3. class )
                                .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP))
                        .getDecorView());
            }
        });
    }
}