package com.intsun.icbcgift.lh.tool; import java.util.Stack; import android.app.Activity; public class ActiivtyStack { private static Stack<Activity> activityStack; private static ActiivtyStack instance; private ActiivtyStack(){ } public static ActiivtyStack getScreenManager(){ if(instance==null){ instance=new ActiivtyStack(); } return instance; } public void popActivity(){ Activity activity=activityStack.lastElement(); if(activity!=null){ activity.finish(); activity=null; } } public void popActivity(Activity activity){ if(activity!=null){ activity.finish(); activityStack.remove(activity); activity=null; } } public Activity currentActivity(){ Activity activity=activityStack.lastElement(); return activity; } public void pushActivity(Activity activity){ if(activityStack==null){ activityStack=new Stack<Activity>(); } activityStack.add(activity); } // 退出栈中所有Activity public void popAllActivityExceptOne(Class<?> cls) { while (true) { Activity activity = currentActivity(); if (activity == null) { break; } if (activity.getClass().equals(cls)) { break; } popActivity(activity); } } } activity代码 //加入栈 ActiivtyStack actiivtyStack=ActiivtyStack.getScreenManager(); actiivtyStack.pushActivity(AddConsigneActivity.this); //返回 findViewById(R.id.back).setOnClickListener(new View.OnClickListener() { public void onClick(View arg0) { ActiivtyStack actiivtyStack=ActiivtyStack.getScreenManager(); actiivtyStack.popAllActivityExceptOne(MyAddrss.class); } });
Actiivty 栈操作
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转载自licjava.iteye.com/blog/2040063
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