Android事件分发的相关内容

Android 了解View的事件分发详解

前言：我们根据自定义MyButton按钮，给这个按钮设置监听事件，通过输出日志了解事件分发。一、MyButton类public class MyButton extends AppCompatButton { public MyButton(Context context) { super(cont...

Android Touch事件分发(源码分析)

Android一文让你轻松搞定Touch事件分发源码分析下面，咱们一起通过源码，全面解析事件分发机制，即按顺序讲解：Activity事件分发机制ViewGroup事件分发机制View事件分发机制Activity事件分发机制 Andr...

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Android一文让你轻松搞定Touch事件分发（下）

实例下面咱们写一个简单实例来更好的理解这个大U型图，效果图:创建实例创建MyViewGroup继承ViewGroup重写dispatchTouchEvent()、onInterceptTouchEvent()、onTouchEvent()方法p...

Android一文让你轻松搞定Touch事件分发（上）

前言每次听说事件分发就觉得好难、肯定不好学，其实事件分发也就那么回事。将本文看下去不说你能对事件分发有多么了解、多么深入，但是在应用开发中简单的使用是绝对没有问题的，下面咱就不叨叨，开始咱们的学习。 &...

Android事件分发溯源详解

前言前两天华仔给我出了一道难题，我们俩研究了小半天，借着这个契机正好回顾了一下Android事件分发的相关知识点，于是有了这篇文章。Android事件分发机制大家都非常熟悉，大部分文章对这个过程的描述都是开始于Activity，但是事件是怎么传到Activity的？这里就涉及到几个重要的部分：Win...

说一说Android事件分发中的requestDisallowInterceptTouchEvent

前言我们知道在事件分发过程中是存在一个拦截机制的onInterceptTouchEvent 复制代码当它返回true则不向下分发事件，否则向下分发。但是在这个过程中，还有一个参与者：requestDisallowInterceptTouchEvent，这个函数直接影响事件的拦截。我们今天就来说一说这...

史上最好的Android事件分发文章

我开源了一个方便RecyclerView吸顶的Android库,欢迎您访问https://github.com/lizijin/StickyHeaderForRecyclerView，如果您使用本库，请提出您的宝贵意见。它目前支持以下功能:支持单类型吸顶功能支持多类型吸顶功能支持开启和关闭吸顶功能支...

【Android 事件分发】ItemTouchHelper 源码分析 ( OnItemTouchListener 事件监听器源码分析二 )（二）

二、ItemTouchHelper 涉及到的本博客相关源码public class ItemTouchHelper extends RecyclerView.ItemDecoration implements RecyclerView.OnChildAttachStateChangeListener...

【Android 事件分发】ItemTouchHelper 源码分析 ( OnItemTouchListener 事件监听器源码分析二 )（一）

文章目录Android 事件分发系列文章目录一、onTouchEvent 事件消费源码分析1、onTouchEvent 方法2、moveIfNecessary 方法二、ItemTouchHelper 涉及到的本博客相关源码一、onTouchEvent 事件消费源码分析在上一篇博客【Android...

【Android 事件分发】ItemTouchHelper 源码分析 ( OnItemTouchListener 事件监听器源码分析二 )（三）

五、事件分发示意图网上找了两张示意图 , 参考上述源码注释理解 ;总结通过控制上述 7 77 个方法的 3 33 种返回值 true / false / super , 控制整体 Activity 界面组件的事件分发 ;事件分发规律 :① 事件消费 : dispatchTouchEvent 或 on...

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