Android返回键的相关内容

文章 2022-12-28 来自：开发者社区

Android 13 返回导航大变更：返回键彻底废弃 + 可预见型返回手势（2）

5. SDK API 适配方案的深入探讨5.1 案例和 KEYCODE_BACK 相关的有很多 API 可以处理、场景也很繁杂，简单举例如下：覆写 Activity#onKeyDown() 处理 KEYCODE_BACK 的 DOWN：class Activity { override fun onKeyDown(keyCode: Int, event: KeyEvent?): Bool...

文章 2022-12-28 来自：开发者社区

Android 13 返回导航大变更：返回键彻底废弃 + 可预见型返回手势（1）

Android 10 首次引入了全局返回手势，但直到返回触发才能看到目标上层画面。13 针对该特性进行了优化，即返回触发之前可以预览上层画面。同时彻底废弃了返回键相关的 API，这将对现有的 App 逻辑产生巨大的影响！前言Android 13 针对包括手机、大屏、折叠屏等 Android 设备推出了可预见型返回手势（Predictive Back Gesture）特性。该特性将便于用户在返回完....

文章 2022-06-20 来自：开发者社区

Android Compose 监听系统返回键监听的方法

Compose返回键监听方法方法1@Composable fun Back1(controller: NavHostController) { Column( Modifier .fillMaxSize() .background(Color.Red) .clickable { ...

问答 2020-06-06 来自：开发者社区

cocos2d-x 3.1 android 平台响应返回键疑问？：报错

下边的代码是正确的： auto listener = EventListenerKeyboard::create(); listener->onKeyReleased = CC_CALLBACK_2(WelcomeScene::onKeyReleased, this); _eventDispatcher->addEventListenerWithSceneGraphPriority(l...

问答 2020-05-31 来自：开发者社区

cocos2d-x 3.1 android 平台响应返回键疑问？ - 安卓报错

问答 2020-05-27 来自：开发者社区

cocos2d-x 3.1 android 平台响应返回键疑问？403.10 禁止访问：配置无效

文章 2018-09-26 来自：开发者社区

Android Studio 点击两次返回键，退出APP

该功能的实现没有特别复杂，主要在onKeyDown()事件中实现，直接上代码，如下： 1 //第一次点击事件发生的时间 2 private long mExitTime; 3 4 /** 5 * 点击两次返回退出app 6 */ 7 @Override 8 public boolean onKeyDown(int keyCode, KeyEvent event) { ...

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 2017-12-07 来自：开发者社区

大叔也说Xamarin~Android篇~监听返回键，单击返回某个webView，双击退出

这个操作在原生android里是很容易实现的，在xamarin里也不难，在activity里有方法OnKeyDown，我们只需要重写一下就可以了，然后通过webView重新加载到要返回的页面即可，当然操作有些死板，但还是有着不错的效果！实现的原理就是在activity里设置一个时间，单击后把这个时间赋值并与当前时间进行比较，如果在２秒内，就认为是双击操作，当然这个时间间隔你可以自己设置，...

文章 2017-11-26 来自：开发者社区

Android(安卓) U8800 长按搜索键、返回键锁屏或解锁的设置方法

该设置办法适用于所有android手机，当然包括U8800了。 * 首先手机一定要有ROOT权限，关于如何获得ROOT权限，这里就不多说了，一般安装个ROOT的小软件就搞定了。安装一个R.E管理器（Root Explorer），运行R.E软件，点上面的只读和改写切换按钮，将当前模式改为改写，然后进入到 /system/usr/keylayout 目录下，在触摸屏上长按 qwerty.k...

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