Android返回键退出程序的相关内容

文章 2022-02-17 来自：开发者社区

Android开发之连续点击返回键退出程序

简介在很多程序中，都有这样一个功能，就是在主界面，连续点击返回键会退出程序。它一般是这样显示的：第一次按下提示你再按一次退出程序，如果此时立马点击返回键会直接退出整个App；如果超过了预设的间隔时间再按，又会提示再按一次退出程序，下面实现一下，完全可以抽离出来作为一个工具方法来调用。 Activity代码 public class MainActivity extends AppCompa....

文章 2017-12-14 来自：开发者社区

Android按返回键退出程序但不销毁，程序后台运行，同QQ退出处理方式

[java] view plaincopyprint? @Override public boolean onKeyDown(int keyCode, KeyEvent event) { &nbs...

文章 2017-07-18 来自：开发者社区

Android实现按两次返回键退出程序的两种实现方式

一：实现onKeyDown()方法。根据时间，具体代码如下。二：实现onBackPressed()方法。根据点击次数，具体代码如下。两种实现方式不同，但根源相同，需要判断两次点击的时间间隔。

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更新时间 2024-07-02 16:41:09

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