android使用activitygroup和Scrollview的方法

其中主要的代码就是：

//跳转到相应的界面中，获得界面的
Window window = getLocalActivityManager().startActivity("11",new Intent(ActivityGroupTest1.this,Activity1.class));
scrollView.removeAllViews();
//把activity转化为VIEW，然后放在scrollview中
scrollView.addView( window.getDecorView() );

主界面：

package com.activity.group.test1;import android.app.ActivityGroup;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.view.Window;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ScrollView;import com.example.androidinterviewtest1.R;public class ActivityGroupTest1 extends ActivityGroup{        Button button1;    Button button2;    ScrollView scrollView;        @Override    protected void onCreate(Bundle savedInstanceState)    {        super.onCreate(savedInstanceState);                        //初始化组件        System.out.println("ActivityGroupTest1 onCreate");        setContentView(R.layout.activity_group);        scrollView = (ScrollView)findViewById(R.id.content);        button1 = (Button)findViewById(R.id.btu1);                //设置监听        button1.setOnClickListener( new OnClickListener()        {            @Override            public void onClick(View v)            {                //跳转到相应的界面中，获得界面的                Window window  = getLocalActivityManager().startActivity("11",new Intent(ActivityGroupTest1.this,Activity1.class));                scrollView.removeAllViews();                //把activity转化为VIEW，然后放在scrollview中                scrollView.addView( window.getDecorView() );            }        });        button2 = (Button)findViewById(R.id.btu2);        button2.setOnClickListener( new OnClickListener()        {            @Override            public void onClick(View v)            {                Window window  = getLocalActivityManager().startActivity("22",new Intent(ActivityGroupTest1.this,Activity2.class));                scrollView.removeAllViews();                scrollView.addView( window.getDecorView() );            }        });    }    @Override    protected void onDestroy()    {        super.onDestroy();        System.out.println("ActivityGroupTest1 onDestroy");    }    @Override    protected void onPause()    {        super.onPause();        System.out.println("ActivityGroupTest1 onPause");    }    @Override    protected void onResume()    {        super.onResume();        System.out.println("ActivityGroupTest1 onResume");    }    @Override    protected void onStop()    {        super.onStop();        System.out.println("ActivityGroupTest1 onStop");    }                    }

布局文件：

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:orientation="vertical" >    <!-- 界面的文字显示 -->    <TextView        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="hello my name is ljz"        android:textSize="18dp" />     <!-- 用户保存用户的界面 -->    <ScrollView        android:id="@+id/content"        android:layout_width="fill_parent"        android:layout_height="350dp" >        <!-- 初始化显示的数据界面 -->        <TextView             android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:textSize="20dp"            android:text="dasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\ndasdasd\n"/>    </ScrollView>    <!-- 底部的按钮 -->    <LinearLayout        android:orientation="horizontal"        android:layout_width="fill_parent"        android:layout_height="wrap_content" >        <Button            android:id="@+id/btu1"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="btu1" />        <Button            android:id="@+id/btu2"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="btu2" />    </LinearLayout></LinearLayout>

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