Android手势识别gesturedetector 的相关内容

【Android 内存优化】自定义组件长图组件 ( 长图滚动区域解码 | 手势识别 GestureDetector | 滑动计算类 Scroller | 代码示例 )

文章目录一、GestureDetector 创建与设置二、GestureDetector 触摸事件传递三、触摸滑动操作四、惯性滑动操作五、长图滑动组件代码示例六、运行效果七、源码及资源下载官方文档 API : BitmapRegionDecoder在【Android 内存优化】自定义组件长图组件 (...

Android 手势识别类 ( 一 ) GestureDetector 基本介绍

为了加强鼠标响应事件，Android提供了GestureDetector手势识别类。通过GestureDetector.OnGestureListener来获取当前被触发的操作手势（Single Tap Up、Show Press、Long Press、Scroll、Down、Fling），具体包括...

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Android 手势识别类 ( 二 ) GestureDetector 源码浅析

前言：Android 关于手势的操作提供两种形式：一种是针对用户手指在屏幕上划出的动作而进行移动的检测，这些手势的检测通过android提供的监听器来实现；另一种是用户手指在屏幕上滑动而形成一定的不规则的几何图形(即为多个持续触摸事件在屏幕形成特定的形状)；本文主要是针对第...

Android 手势识别类 ( 三 ) GestureDetector 源码浅析

前言：上篇介绍了提供手势绘制的视图平台GestureOverlayView，但是在视图平台上绘制出的手势，是需要存储以及在必要的利用时加载取出手势。所以，用户绘制出的一个完整的手势是需要一定的代码机制来完成存储以及必要时加载取出的；那么，在源码中Gesture这个类就是用来描述完整的手势的。一 ...

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