Android Input-阿里云

“framework必会”系列：Android Input系统（一）事件读取机制

Hi，我是小余。本文已收录到 GitHub · Androider-Planet 中。这里有 Android 进阶成长知识体系，关注公众号 [小余的自习室] ，在成功的路上不迷路！浅谈曾经在开发的很长一段时间内，笔者对点击事件的认知只存在于自定义View中的onTouchEvent等方法的处理。后...

“framework必会”系列：Android Input系统（二）事件分发机制

本文正在参加「金石计划 . 瓜分6万现金大奖」 Hi，我是小余。本文已收录到 GitHub · Androider-Planet 中。这里有 Android 进阶成长知识体系，关注公众号 [小余的自习室] ，在成功的路上不迷路！前言关于为什么会有这“framework必会系列”文章？对，卷王太多了...

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[RK3568 Android11] Input子系统启动流程图

一、 InputManagerService启动流程图分析Input子系统的启动主要是看InputManagerService的启动，InputManagerService是java层的一个系统服务，继承IInputManager.Stub，作为binder服务端

从显示 Tap 位置的原理窥探 Android Input 系统

原以为显示 Tap 位置是 ViewRootImpl 里依据 Touch 位置显示的 PopupWindow ，实际不是、而且要复杂得多。开发者选项画面里的 “Show taps” 选项，开发者一定不陌生。开启之后，截屏或录屏里可以直观地展示点击过的位置，非常方便。类似的选项还有显示 Touch 参...

android下input类的解析

基础知识当我们在分析android的键盘记录的时候就不得不和input进行打交道，那么input在系统中是怎么进行实现的？Android手机中默认携带input子系统，并且开在机就会产生默认的mouse和keyboard事件，这样使得用户开机就可以触屏点击和使用按键。android中键盘实现的系统源...

关于android如何读取/dev/input/even3中的数据：报错

本人最近在做android屏幕应用的开发，请问各位如何获取手指在屏幕上移动的最原始的数据？这个数据是存放在/dev/input/event3下面的，但是不知道如何才能读出来，望大家指点一二

Android常见输入inputType类型

android:inputType="none"//输入普通字符 android:inputType="text"//输入普通字符 android:inputType="textCapCharacters"//输入普通字符 android:inputType="textCapWords"//单词首字...

Android驱动之 Linux Input子系统之TP——A/B(Slot)协议【转】

转自：http://www.thinksaas.cn/topics/0/646/646797.html 将A/B协议这部分单独拿出来说一方面是因为这部分内容是比较容易忽视的，周围大多数用到input子系统的开发人员也不甚理解；另一方面是由于这部分知识一旦扩展到TP(触摸屏Touch Panel)的多...

Android窗口管理服务WindowManagerService对输入法窗口（Input Method Window）的管理分析

在Android系统中，输入法窗口是一种特殊类型的窗口，它总是位于需要使用输入法的窗口的上面。也就是说，一旦WindowManagerService服务检测到焦点窗口需要使用输入法，那么它就会调整输入法窗口在窗口堆栈中的位置，使得输入法窗口位于在焦点窗口的上面，这样用户可以通过输入法窗口...

Android Input子系统：Input进程的创建，监听线程的启动

本文讲的是Android Input子系统：Input进程的创建，监听线程的启动，本文主要从系统源码的角度带你一步步了解Android Input子系统。从我个人的理解来看，Android的Input系统其实就是系统级的事件处理、分发框架，它需要的功能模块大致有：事件读取、事件分类、事件分发。那么...

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