android programming codes

When we learn and use the Android network programming, we touch only the upper layer protocols and interfaces such as Apache HttpClient or Android's own httpurlconnection and so on. We also need to learn more about the underlying implementations of these interfaces, which requires that we understand the network communication layer and that the network communication layer has to speak of the Iso-osi seven-la

Experiment three Android Programming Course: Java Programming Class: 1652 Name: Kong No.: 20165208 Instructor: Lou Jia Peng Experimental Date: 2018.5.14 Experiment Name: Android Programming Test requirements: Students who do not have a Linux base are advised to star

Android network programming to get JSON on the networkPlease respect other people's labor results, reproduced please specify the source: Android network programming to get JSON on the networkServer-side support is required to get the JSON on the network.First, create server-side:Server-side project structure:Server-sid

Android concurrent programming: (1) Basic knowledge-start and end of the 1.2 program, android1.2 All content in this section is original. If you need to reprint it, please indicate the source. Http://blog.csdn.net/manoel/article/details/38471825 Android is a multi-user, multi-task system. Multiple apps can be executed at the same time. switching between multipl

()); //WiFistate WiFi =Conman.getnetworkinfo (Connectivitymanager.type_wifi). GetState (); Txtwifi.settext (Wifi.tostring ()); //if both the 3G and WiFi networks are not connected and are not in the connected state, the network setting interface is configured by the user if(Mobile = = State.connected | | mobile = =state.connecting)return; if(WiFi = = state.connected | | wifi = =state.connecting)return; StartActivity (NewIntent (settings.action_wireless_settings));//Enter the wireless netw

Differences between two Broadcast registration methods in Android programming Resident Broadcast Resident broadcast, when your application is closed, if broadcast information comes, the broadcast receiver you write can receive the same information, and its registration method is in AndroidManifast of your application. xml, which is also called static registration. This method can be understood as the broadc

Android Stuidio Installation Test: Refer to the Java and Android Development Learning Guide (second Edition) (Epubit,java for Android 2nd), Chapter 24th:-Reference http://www.cnblogs.com/ rocedu/p/6371315.html#secandroid, install Android stuidio-finish Hello World, request to modify the contents of res directory, Hello

The example in this article describes the Android programming method for drawing circular pictures. Share to everyone for your reference, specific as follows: The effect chart is as follows: First step: Create new Roundview custom control inherit view Package com.rong.activity; Import COM.RONG.TEST.R; Import Android.content.Context; Import Android.graphics.Bitmap; Import Android.graphics.Bitmap.Con

This paper illustrates the method of recognizing and mounting USB disk with Android programming. Share to everyone for your reference, specific as follows: About U disk mount can first look at this article "Android2.3 to achieve SD card and U disk automatic Mount method", the author is a U disk directly mounted on the SD card. My machine is MTK6575 platform, support SDcard and SDCARD2, the test will be mou

This article illustrates the menu implementation method of Android programming. Share to everyone for your reference, specific as follows: Menus are an integral part of many applications, even more so in Android, where all mobile phones with Android have a "menu" button, which is the key to the menu, which shows how i

it in a different view, you only need to put it in the Layout View of the activity.GLSurfaceView. The following code demonstrates how to useGLSurfaceViewAs the main viewAcitivityMinimum Code implementation: Public class opengles20 extends activity {private glsurfaceview mglview; @ override public void oncreate (bundle savedinstancestate) {super. oncreate (savedinstancestate); // create a glsurfaceview instance and set it to the contentview of the activity. mglview = new myglsurfaceview (this);

In the "Android Network Programming" series, the previous Java communication is described in the bottom of the general description, before we understand the TCP/IP communication family Architecture and its principles, then we begin to understand the TCP/IP protocol layer based on the socket abstraction layer. This article will give us a clear understanding of and learn to use sockets. What is a socket? And

6th. Android Driver ProgrammingBy introducing this chapter device driver, character device driver programming,GPIODriver Instances and4*4scanning keyboard drivers and other content, master theAndroidDrive programming. AndroidKernel kernel module programming includes device drivers and kernel modules, module-related com

ImageView: Image loading, rendering, and processing Lazyload: Picture Lazy loading Crop: Picture cutting and beautification Carousel: Show blocks/pictures with slider/carousel Waterfall: Display blocks/pictures in Waterfall flow mode WebView Native Interaction: Local interaction Js-patch (IOS) Dvisual: Drawing and visualization of data Graphics: Major drawing-related Chart: Graph-related

This example describes the global variables in Android programming. Share to everyone for your reference, specific as follows: Now every day is busy, and a busy, put the notes on the back, recently in the writing program, suddenly to use the global variable, in the previous way, wrote a class, and then the variables are declared as static variables, and then as a global variable to use, but when the activi

This example describes the SDcard code for Android programming. Share to everyone for your reference, specific as follows: 1. Detect SDcard is available: public static Boolean sdcardisavailable () { String status = Environment.getexternalstoragestate (); if (!status.equals (environment.media_mounted)) {return false; } return true; } 2. Obtain the program on the SD card CAHC