Android完全退出應用程序

自定義一個繼承自Application的類。用來記錄所打開的Activity。

在每個Activity類的onCreate方法中調用ExitApplication.newInstance().addActivity(this);將Activity類添加到list中。

在退出時調用ExitApplication.newInstance().exit();循環執行finish();

public class ExitApplication extends Application {

private static List acList = new LinkedList();
private static ExitApplication instance = null;
private ExitApplication(){}

//單例模式
public static ExitApplication newInstance(){
if(null==instance){
instance = new ExitApplication();
}
return instance;
}

public void addActivity(Activity a){
acList.add(a);
}

public static void exit(){
for (Activity activity : acList) {
activity.finish();
}
System.exit(0);
}
}