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Step by step Android (15): socket programming [chat as an example] In addition to its mobile phone functions, the Android mobile phone app is also attractive because of its openness. This iPhone is incomparable, at least it is too commercialized. Like Windows 95, Android opened another window for communication, and soc

This article describes the Android programming approach to getting package names, version information, and versionname names. Share to everyone for your reference, specific as follows: Words do not say, directly on the code, here, mainly in the version of the upgrade, the use of more. Private String Getappinfo () { try { string pkname = This.getpackagename (); String versionname =

access other IO devices. It can jump to any location in the file and start reading and writing from the current location. 5, InputStream and FileInputStream can use the Skip and read (Buffre,offset,length) functions to implement random reads of files. For more information on Android-related content readers can view the site topics: "Android File Operation tips Summary", "

If we look at the new Android programming method, we will find a method called main. xml files. For views, there are some layout methods, but this article only focuses on the above xml files. A few months ago, the mobile Development Alliance launched its own Android mobile phone prototype and was greatly sought after. However, no real machines have been sold in t

This article describes the menu features in Android programming. Share to everyone for your reference, specific as follows: Android Menu design, the program defines two menu subkeys, one is "about", one is "exit", when clicked on "about", a new toast prompt, when clicked "Exit", we will end the program. In addition to the default coverage of OnCreate, you need

This example describes the way to read and write private files in Android programming. Share to everyone for your reference, specific as follows: A private file is a file that the program itself can read, and other programs do not have permission to access, which is saved in the Data.app. Package. File directory. The method of writing a file is simpler: private void WriteFile (string filename, str

Android Event-driven programming (II)--Welcome Reprint, please specify the source http://blog.csdn.net/asce1885, without my consent do not use for commercial purposes, thank you--Original link: https://medium.com/google-developer-experts/event-driven-programming-for-android-part-ii-b1e05698e440This article Gitbooks lin

Network programming example of Android based on TCP and URL protocol [demo source code download], androiddemo This article describes network programming for Android based on TCP and URL protocols. We will share this with you for your reference. The details are as follows: Mobile phones are used as mobile terminals, so

Android event-driven programming-Based on EventBus (1)Android event-driven programming-Based on EventBus (1) Although Android development has some event-driven features, it is far from a pure event-driven architecture. Is this a good thing or a bad thing? Just like anything

) */@ Override public void onCreate (Bundle state) {super. onCreate (state); setContentView (R. layout. asyncdemoprogress); final View root = findViewById (R. id. root); final Drawable bg = root. getBackground (); final TextView msg = (TextView) findViewById (R. id. msg); final Game game = Game. newGame (); (Button) findViewById (R. id. start )). setOnClickListener (new View. onClickListener () {@ Override public void onCLick (View v) {mComplete = 0; new AsyncInit (root, bg, game, msg0000.exe cu

The example in this article describes how the Android programming implementation calculates the number of days difference on different dates. Share to everyone for your reference, specific as follows: Calendar Cal1 = getcalendarfromdate (mstartdate); Long starttime = Cal1.gettimeinmillis (); Calendar Cal2 = getcalendarfromdate (menddate); Long endtime = Cal2.gettimeinmillis (); int numberofdays = (int

This article illustrates how Android programming implements the search for phone numbers from strings. Share to everyone for your reference, specific as follows: /** * Find a numeric string from a String * * private list For more information on Android-related content readers can view the site topics: "Android

The example of this article describes the implementation of the Android programming dynamic button. Share to everyone for your reference, specific as follows: The First: The method is implemented through Ontouch, Btn3 = (ImageButton) Findviewbyid (r.id.imagebutton03); Btn3.setontouchlistener (TOUCHLISTENER3); View.ontouchlistener Touchlistener = new Ontouchlistener () { @Override public boolean Ont

This paper illustrates the gallery image set browsing implementation method of Android programming sliding effect. Share to everyone for your reference, specific as follows: The Android system comes with a gallery view of the application of the image, with a very smooth display of pictures when dragged through the fingers, with good user interaction and experien

This paper describes the understanding and analysis of the single threaded model in Android programming. Share to everyone for your reference, specific as follows: When an Android program is started, the Android system initiates a corresponding main thread (main thread) at the same time. Since the main task of this t

In the previous two blog "Android HTTP network programming (i)", "Android HTTP Network programming (ii)", the simple introduction of the Web page request and the client and the server side of the simple parameter interaction. Well, this blog will come to know the Android cli

As a good programmer, not only to develop beautiful software, but also to master the skills of programming, including the IDE's shortcut keys. such as the VI editor under Linux, for unskilled shortcut keys is a nightmare, but once you become proficient in the VI shortcut, VI efficiency will be higher than with the mouse editor. Even VI to reduce the time dissipation of the finger switching between the main keyboard area and the arrow keys, directly se

This article describes the Android programming approach to writing data to SD cards. Share to everyone for your reference, specific as follows: 1. Code: /** * Write file to SDcard * @param filename * @param content file /public void Savetosdcard (String Filename,string content) throws exception{ file File=new file ("/mnt/sdcard", filename); OutputStream out=new fileoutputstream (file);

This article illustrates the way Android reads images in SD cards. Share to everyone for your reference, specific as follows: First, get access to read SD card Second, find the directory of SD card /** * Environment.getexternalstoragedirectory () obtained: ", Mnt/sdcard" that is, found the root directory of SD card * * * private String path= Environment.getexternalstoragedirectory () + "client/tile/1.jpg"; Three, accordin

In-depth introduction to technical principles based on profound industry experience Step-by-step explanation of typical application cases to improve practical capabilities Android multimedia programming from beginner to proficient Basic Information Author:Miao ZhongliangWan Bin Series Name:Hua Qing foresight series books Press: Electronic Industry Press ISBN:9787121125324 Mounting time: Published on: Februa