今天项目要求在一个页面中显示多个activity，在网上差了些资料，整理并写了个demo测试了，功能实现了。
首先主界面要用GroupActivity,他是系统中继承Activity的一个类，详细的查看sdk文档。关键就是用到了一个LocationActivityManager类，对GroupActivity的子类进行管理。
MainActivity.javas实现：
package com.android.qiu.activitygroup;
import android.app.ActivityGroup; import android.app.LocalActivityManager; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.View; import android.view.Window; import android.view.ViewGroup.LayoutParams; import android.widget.LinearLayout; import android.widget.RadioButton; import android.widget.RadioGroup; import android.widget.RelativeLayout; import android.widget.RadioGroup.OnCheckedChangeListener; public class MainActivity extends ActivityGroup { private final String TAG = "MainActivity"; private RadioGroup radiogroup; private RadioButton radioBtn1; private RadioButton radioBtn2; private LocalActivityManager activitymanager; private LinearLayout layout_load; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.main); radiogroup = (RadioGroup) findViewById(R.id.mainRadioGroup); radioBtn1 = (RadioButton) findViewById(R.id.radioBtn1); radioBtn2 = (RadioButton) findViewById(R.id.radioBtn2); activitymanager = getLocalActivityManager(); layout_load = (LinearLayout) findViewById(R.id.LinearLayout); radiogroup.setOnCheckedChangeListener(new OnCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup group, int checkedId) { // TODO Auto-generated method stub if (checkedId == radioBtn1.getId()) { Intent intent = new Intent(MainActivity.this, ActivityA.class); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); Window w = activitymanager.startActivity("A", intent); View v = w.getDecorView(); layout_load.removeAllViews(); layout_load.setPadding(5, 5, 5, 5); // layout_load.addView(v); layout_load .addView(v, new LayoutParams( LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT)); Log.v(TAG, "******JJJJ");/* * layout_load.addView(v, new * RelativeLayout.LayoutParams( * RelativeLayout * .LayoutParams.FILL_PARENT, * LinearLayout * .LayoutParams.FILL_PARENT)); */ } else if (checkedId == radioBtn2.getId()) { Intent intent2 = new Intent(MainActivity.this, ActivityB.class); intent2.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); Window w2 = activitymanager.startActivity("B", intent2); View v2 = w2.getDecorView(); layout_load.removeAllViews(); layout_load.setPadding(5, 5, 5, 5); // layout_load.addView(v2); layout_load .addView(v2, new LayoutParams( LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT)); Log.v(TAG, "******GGGG"); } } }); } }
main.xml 文件：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <RelativeLayout android:id="@+id/relativelayout" android:layout_width="fill_parent" android:layout_height="fill_parent"> <LinearLayout android:id="@+id/LinearLayout" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <RadioGroup android:id="@+id/mainRadioGroup" android:layout_alignParentBottom="true" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content"> <RadioButton android:id="@+id/radioBtn1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="页面一"></RadioButton> <RadioButton android:id="@+id/radioBtn2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="20dip" android:text="页面二"></RadioButton> </RadioGroup> </RelativeLayout> </LinearLayout>
ActivityA.java 实现：
package com.android.qiu.activitygroup;
import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView; public class ActivityA extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.layout); final TextView tv = (TextView)findViewById(R.id.tv2); Button change = (Button)findViewById(R.id.changeBtn); change.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub tv.setText("在自己的activity中相应"); } }); } }
layout.xml文件：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <TextView android:text="页面二" android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/tv2" ></TextView> <Button android:id="@+id/changeBtn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="改变" ></Button> </LinearLayout>
ActivityB.java实现：
package com.android.qiu.activitygroup;
import android.app.Activity; import android.os.Bundle; public class ActivityB extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.layout1); } }
layout1.xml文件：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <TextView android:text="页面一" android:layout_width="wrap_content" android:layout_height="wrap_content" ></TextView> </LinearLayout>