ActivityGroup使用实例

通过名字，就应该知道ActivityGroup是一个Activity的管理器，对于一组Activity的管理非常方面。下面是实例代码：

ActivityGroupTest.java

package app.imo;import android.app.ActivityGroup;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.view.Window;import android.widget.ImageView;import android.widget.ScrollView;/** *  * @author fengxiaowei *  */public class ActivityGroupTest extends ActivityGroup {private ScrollView container = null;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);// 隐藏标题栏requestWindowFeature(Window.FEATURE_NO_TITLE);// 设置视图setContentView(R.layout.activity_group);container = (ScrollView) findViewById(R.id.containerBody);// 模块1ImageView btnModule1 = (ImageView) findViewById(R.id.btnModule1);btnModule1.setOnClickListener(new OnClickListener() {public void onClick(View v) {container.removeAllViews();container.addView(getLocalActivityManager().startActivity("Module1",new Intent(ActivityGroupTest.this, ModuleView1.class).addFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT)).getDecorView());}});// 模块2ImageView btnModule2 = (ImageView) findViewById(R.id.btnModule2);btnModule2.setOnClickListener(new OnClickListener() {public void onClick(View v) {container.removeAllViews();container.addView(getLocalActivityManager().startActivity("Module2",new Intent(ActivityGroupTest.this, ModuleView2.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView());}});// 模块3ImageView btnModule3 = (ImageView) findViewById(R.id.btnModule3);btnModule3.setOnClickListener(new OnClickListener() {public void onClick(View v) {container.removeAllViews();container.addView(getLocalActivityManager().startActivity("Module3",new Intent(ActivityGroupTest.this, ModuleView3.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView());}});}}

activity_group.xml：

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

ModuleView1，ModuleView2，ModuleView3就是三个简单的Activity，这里就不贴代码了。

值得关注的地方：

Intent.FLAG_ACTIVITY_REORDER_TO_FRONT