Android app开发事件实战的相关内容

文章 2023-12-19 来自：开发者社区

Android App开发触摸事件中手势事件Event的分发流程讲解与实战（附源码简单易懂）

需要源码或运行有问题请点赞关注收藏后评论区留言~~~一、手势事件的分发流程智能手机的一大革命性技术就是把屏幕变为可触摸设备，既可用于信息输入也可以用于信息输出。与手势事件有关的方法主要有以下三个dispatchTouchEvent 进行事件分发处理返回结果表示该事件是否需要分发onInterceptTouchEvent 进行事件拦截处理返回结果表示当前容器是否需要拦截....

文章 2023-12-19 来自：开发者社区

Android App开发之事件交互Event中检测软键盘和物理按键讲解及实战（附源码演示简单易懂）

运行有问题或需要源码请点赞关注收藏后评论区留言~~~一、检测软键盘手机上的输入按键一般不另外处理，直接由系统按照默认情况操作，有时为了改善用户体验，需要让App拦截按键事件，并进行额外处理。监控按键事件之前，首先要指导每个按键的编码，这样才能根据不同的编码值进行相应的处理。监听器OnKeyListener只会检测控制键，不会检测文本键。实际监控结果显示如下，每次按下控制键时，onKey方法都会收....

文章 2023-12-19 来自：开发者社区

Android Studio App开发之捕获屏幕的变更事件实战（包括竖屏与横屏切换，回到桌面与切换到任务列表）

需要源码请点赞关注收藏后评论区留言~~~一、竖屏与横屏切换除了系统广播之外，App所处的环境也会影响运行，比如手机有竖屏与横批两种模式，竖屏时水平方向较短且垂直方向较长，横屏时水平方向较长而垂直方向较短，两种屏幕方向不但造成App界面的展示差异，而且竖屏和横屏切换之时，甚至会打乱App的生命周期由下图可见横屏与竖屏的日志时间不一样，说明App从竖屏变为横屏的时候，整个活动页面又重头创建了一遍，这....

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