文章标题

Android 学习记录——activity管理类

package com.example.administrator.myapplication.util;import android.app.Activity;import java.util.ArrayList;import java.util.List;/** * Created by Administrator on 2017/10/1. */public class ActivityCollector {    public static List<Activity> activities=new ArrayList<Activity>();    public static void addActivity(Activity activity){        activities.add(activity);    }    public static void removeActivity(Activity activity){        activities.remove(activity);    }    public static void finishAll(){        for (Activity activity:activities) {            if(!activity.isFinishing()){                activity.finish();            }        }    }}