Android事件分发源码分析的相关内容

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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 事件分发】事件分发源码分析 ( ViewGroup 事件传递机制七 )(二）

二、ViewGroup | dispatchTransformedTouchEvent 完整流程分析如果事件被拦截 , 或者没有被消费掉 , 则不会对 mFirstTouchTarget 进行初始化 , mFirstTouchTarget 为空 ;ViewGroup | dispatchTransf...

【Android 事件分发】事件分发源码分析 ( ViewGroup 事件传递机制六 )（四）

四、ViewGroup 事件分发相关源码@UiThread public abstract class ViewGroup extends View implements ViewParent, ViewManager { // First touch target in the linked li...

【Android 事件分发】事件分发源码分析 ( ViewGroup 事件传递机制六 )（二）

二、完整的触摸事件处理机制完整触摸事件 :一个完整的触摸动作 , 由 1 11 次按下触摸事件 , 若干次移动触摸事件 , 1 11 次抬起触摸事件组成 ,1 11 个触摸动作只有 1 11 次按下操作 , 并且是整个触摸动作的起始触摸事件 ;一个完整的动作 , 只有第一次按下 , 才执行...

【Android 事件分发】事件分发源码分析 ( ViewGroup 事件传递机制五 )（四）

六、View 事件分发相关源码public class View implements Drawable.Callback, KeyEvent.Callback, AccessibilityEventSource { /** * Pass the touch screen motion event ...

【Android 事件分发】事件分发源码分析 ( ViewGroup 事件传递机制五 )（二）

四、触摸事件被拦截的调用链分析如果上述事件分发方法 dispatchTransformedTouchEvent 返回 true , 就会创建 newTouchTarget 值 , 该值不会为空 , 同时 mFirstTouchTarget 不为空 ;如果上述事件分发方法 dispatchTransf...

【Android 事件分发】事件分发源码分析 ( ViewGroup 事件传递机制四 | View 事件传递机制 )（一）

文章目录Android 事件分发系列文章目录前言一、View 的事件传递机制 ( dispatchTouchEvent )二、触摸事件与点击事件冲突处理三、View 事件分发相关源码前言接上一篇博客【Android 事件分发】事件分发源码分析 ( ViewGroup 事件传递机制三 ) ...

【Android 事件分发】事件分发源码分析 ( ViewGroup 事件传递机制四 | View 事件传递机制 )（二）

在 performClick 方法中 , 调用了 li.mOnClickListener.onClick(this); , li.mOnClickListener 就是用户设置的点击事件监听器 ;public class View implements Drawable.Callback, KeyE...

【Android 事件分发】事件分发源码分析 ( ViewGroup 事件传递机制三 )（二）

二、当前遍历的子组件的事件分发首先提取当前的子组件 , 第一次执行 getTouchTarget 代码时 , 是没有 mFirstTouchTarget 的 , 此时第一次返回 null ;newTouchTarget = getTouchTarget(child);getTouchTarget 方...

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更新时间 2023-06-11 09:01:10

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