Android活动管理工具

import android.app.Activity;

import java.util.ArrayList;

import java.util.List;

//活动汇总管理

public class ActivityCollector {

    public static List<Activity> activities = new ArrayList<Activity>();

    //添加活动

    public static void addActivity(Activity activity) {

        if (!activities.contains(activity)) {

            activities.add(activity);

        }

    }

    //移除活动

    public static void removeActivity(Activity activity) {

        activities.remove(activity);

    }

    //关闭所有活动

    public static void finishAll() {

        for (Activity activity : activities) {

            if (!activity.isFinishing()) {

                activity.finish();

            }

        }

    }

}

import android.app.Activity;

import android.os.Bundle;

import android.util.Log;

//重写Activity基本类

public class BaseActivity extends Activity {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        //显示父类名称

        Log.d("woider", getClass().getSimpleName());

        //添加至活动中心

        ActivityCollector.addActivity(this);

    }

    protected void onDestroy(){

        super.onDestroy();

        //从活动中心移除

        ActivityCollector.removeActivity(this);

    }

}