import java.util.LinkedList;
import java.util.List;
import android.app.Activity;
import android.app.Application;
/**
* 退出程序,关闭所有Activity类
* @author center
*
*/
public class MyApplication extends Application{
private List<Activity> activityList = new LinkedList<Activity>();
private static MyApplication instance;
private MyApplication()
{
}
//单例模式中获取唯一的MyApplication实例
public static MyApplication getInstance()
{
if(null == instance)
{
instance = new MyApplication();
}
return instance;
}
//添加Activity到容器中
public void addActivity(Activity activity)
{
activityList.add(activity);
}
//遍历所有Activity并finish
public void exit()
{
for(Activity activity:activityList)
{
activity.finish();
}
System.exit(0);
}
}
在其他的activity中调用MyApplication. getInstance().addActivity(activity.this)使其加入列表。
然后在要退出的按钮等事件监听中调用MyApplication. getInstance().exit() 就行了!