Android back退出的相关内容

[帮助文档] 如何进入和退出Android小程序的动画

本文中的设置仅适用于进入和退出动画，不适用于小程序内部页面跳转。开启进入/退出动画功能在启动小程序时添加 needAnimInTiny 参数，值为 true。示例如下：needAnimInTinyBundlebundle=newBundle();bundle.putBoolean("needAnim...

【Android Demo】点击两次Back键退出当前程序

应用场景：点击两次Back键退出当前程序效果图: 实现原理：onKeyDown（）会捕获当前点击事件，如果当前keyCode等于BACK事件值就会执行ToQuitTheApp（）方法。在ToQuitTheApp（）方法中，首先判断isExit的值，如果为false的话，则置为true，同时会弹出提...

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为什么Android实现按back退出时要这样判断

f (event.getAction()==KeyEvent.ACTION_DOWN&&event.getKeyCode() == KeyEvent.KEYCODE_BACK) { 为何要&&ACTION_DOWN？？一个判断居然不行

【转】Android开发，按手机上的back键时程序最小化而不退出

@Override public boolean dispatchKeyEvent(KeyEvent event) { // menuUtils.createTwoDispatcher(event); if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) ...

Android 关于长按back键退出应用程序的实现

　Android 关于长按back键退出应用程序的实现最近在做一个Android上的应用，碰到一个问题就是如何实现长按back键退出应用程序。在网上查找了很多资料，发现几乎没有这样的实现，大部分在处理时是双击back键来退出应用程序。参考...

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