android system cleanup

Once upon a time, I wrote an article on Android sensor "stunning entire basketball court "... in a twinkling of an eye, two years have passed. It's really a thing that's gone, and the technology is updated fast. Now it's 4.0 chocolate ice cream... 0. Overview This article hopes to understand the sensor system from the dynamic perspective (application process) and static perspective (framework architecture.

Android system architecture-microservice architecture, android system architectureDirectory I. microservice Architecture Model 1.1 mode description 1.2 mode Topology 1.3 avoid dependency and Scheduling 1.4 precautions 1.5 Mode Analysis Ii. microservice architecture in

listener btnOpen to each button. setOnClickListener (this); btnHide. setO NClickListener (this); btnExit. setOnClickListener (this) ;}@ Override public void onClick (View v) {switch (v. getId () {case R. id. btnOpen: // create an Intent and set intent Intent = new Intent (MainActivity. this, OtherActivity. class); if (ARR_INT> = arrStr. length) ARR_INT = 0; // send data intent. putExtra ("info", arrStr [ARR_INT ++]); // start another Activity this. startActivity (intent); break; case R. id. btn

Implementation of screenshot capture in Android system (with code included) and screenshot capture in android system1. I have been writing a blog on the background for almost two years. I have written more than 100 articles. The most popular article is how to achieve screenshots of the android

This year, Google launched Android Auto, a car Android, designed to provide entertainment, navigation, and other functions. Android Auto, however, is not the end point, and now news reports that Google is developing a vehicle-mounted Android system that can completely replac

drawable-hdpi.According to the above, dip (DP) should be used as the unit in the layout, and SP is recommended for units defined as text size.ContextThe Context class is an abstract class with many subclasses, such as Activity, Tabactivity, Service, and so on. Many methods need to pass in the context parameter in order to instantiate an object, such as a Toast instance object, when the first object is passed into the context object. In fact, the context can literally be understood to resemble a

compiled directly from the android source code! Repo is the encapsulation of git to facilitate the acquisition of the android source code. The source code is maintained by git, so the same is true for obtaining the source code by git. In addition, all documents on www.android.com are available, and documents on the Internet are also available on the official website! I. Basic Development Environme

Tell me what I'm trying to do before I finish this example. First, modify the "Actionbarsherlock" navigation example. Before I implemented this example, I tried "actionbarsherlock" to modify one of its tab navigation examples, and the modification was successful. But finally found that it is not a actionbar implementation of the tab, can not hide Actionbar, when the Actionbar hide method is invoked, Actionbar is hidden, but the title of the tab page still exists, And in the lower version of

Android system architecture and android System Structure 1. Applications Android is released together with a series of core application packages, including email clients, SMS Short Message programs, calendars, maps, browsers, and contact management programs. All application

FromArticle: [Android source code] Android graphic rendering (skia EGL OpenGL ES) Android OpenGL ES coordinate system: it is three-dimensional (of course there are also two-dimensional, but there is no Z axis, there is no difference), the coordinate origin of the coordinate syst