Android触摸事件-阿里云

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onIn...

Android 7.1 触摸事件代码跟踪

Android 7.1 触摸事件代码跟踪平台rk3288 + Android 7.1Framework-service|-- frameworks/base/services/core/java/com/android/server/input/InputManagerService.javapub...

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android 模拟发送多点触摸事件

android的输入事件处理, 大多跟InputReader, InputManager, InputManagerService有关,对它们的理解,也只是皮毛.本文也只涉及到Touch事件的DOWN, MOVE, UP;如何发送或虚拟Touch事件?多点触摸的时候又应该如何处理?注: 本文中的代码...

Android触摸事件分发的“递”与“归”（二）

theme: github这是Android触摸事件系列的第二篇，系列文章目录如下：Android触摸事件分发的“递”与“归”（一）Android触摸事件分发的“递”与“归”（二）把上一篇中领导分配任务的故事，延展一下：大领导安排任务会经历一个“递”的过程：大领导先把任务告诉小领导，小领导再把任务告...

Android触摸事件分发的“递”与“归”（一）

theme: github这是Android触摸事件系列文章的第一篇。Android触摸事件分发的“递”与“归”（一）Android触摸事件分发的“递”与“归”（二）大领导安排任务会经历一个“递”的过程：大领导先把任务告诉小领导，小领导再把任务告诉小明。也可能会经历一个“归”的过程：小明告诉小领导做...

十分钟了解Android触摸事件原理（InputManagerService）

从手指接触屏幕到MotionEvent被传送到Activity或者View，中间究竟经历了什么？Android中触摸事件到底是怎么来的呢？源头是哪呢？本文就直观的描述一个整个流程，不求甚解，只求了解。Android触摸事件模型触摸事件肯定要先捕获才能传给窗口，因此，首先应该有一个线程在...

Android触摸事件传递机制（一）

在开发过程中会经常遇到View与ViewGroup嵌套的问题，如ViewPager嵌套Fragment，而Fragment中又需要实现一个广告滑动，此时广告滑动就会与ViewPager的滑动事件产生冲突，而深入理解Android触摸事件的传递机制则是解决问题的关键。一.触摸事件的类型（主要有三种）...

Android dispatchTouchEvent检测多点触摸事件是否落入在某一个View区域内

Android dispatchTouchEvent检测多点触摸事件是否落入在某一个View区域内检测发生在Android设备屏幕上到的点击事件是否发生在某一个View的区域内，重点方法是touchEventInView，该方法进行具体的检测，如果返回true，则表明该事件是发生在当前的参数vie...

Android触摸事件（续）——点击长按事件

昨天写完了Android触摸事件（下）——事件的分发，写完后以为这一部分终将告一段落了。今早无意间突然想起，好像关于点击事件、长按事件这一部分并没有分析啊！！垂死病中惊坐起，粗略的看了下源码，好像没啥东西啊。仔细看看吧，发现有些地方真的是叫人头疼。没办法，仔细看吧看吧。正是：码中自有颜如玉，码中自有...

Android触摸事件（下）——事件的分发

已经记不清有多久了，貌似自从接触Android开发开始，Android的事件分发机制一直伴随着我们。网上各种大神的各种分析，看完了可能还是会晕晕乎乎的。没办法，谁让咱是菜鸡呢（对！我菜鸡我还有有理了。。）。前面写过一篇关于Android事件的由来，介绍了Android输入事件从产生到发送到View...

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