android app development tutorial beginner

Cattle registration), seven cow space How to say, I have always wanted to use, but has been useless, OK, we create a new public bucket, name casually, in the content of the management of a random upload something,This is the test address http://tie163.qiniudn.com/record.txtOpen this test address and we see that we've uploaded something inside. Yes, this is all our own stuff, so we can use Android to read the contents of our address, right? (In fact,

First, the real demand descriptionIn general, an Android application in the development to a certain stage, the function module will be more and more, the APK installation package is also growing, users in the use of the process there is no way to selectively load their own required function modules. You might want to consider how to split the entire application at this point.Second, the solution proposedGe

)10-04 upload video resources with seven kn (2)10-05 server-side storage video information (1)10-06 server-side storage video information (2)10-07 Control Recording Countdown10-08 realization of video recording function (1)10-09 realization of video recording function (2)10-10 uploading audio to cloud space (1)10-11 uploading audio to Cloud space (2)10-12 server-side storage of audio data10-13 merge Audio video and sync cover map to seven kn (1)10-14 merge Audio video and sync to cover seven kn

Today, we want to share with you an experimental 3D effect. It involves a 3D mobile device and some mobile applications. When you click the switch button, we will make the mobile deviceArticles you may be interested in Metronic-Bootstrap-based responsive background management template Sharing of dry goods-32 excellent JavaScript free e-books Debuggex-Excellent visual debugging tool for Regular Expression Zepto. js-a lightweight JavaScript library for modern browsers HTML Inspector-he

Environment: already has the root permission of Android system, our apk is boot startTest: Copy the 2 identical versions below the system System/app directoryThe ADB root #获取root权限, provided that the root permission has been opened, namely: Debug compiled Android system adb remount # will write the system directory to ADB push c:/test_1_v1.apk/system/ The

activity, The name we pass in here is used to set the MainPage in the springboard activity.Intent page1 = new Intent();page1.SetClass(this, typeof(ShortcutContainerActivity));page1.SetAction(Intent.ActionMain);page1.PutExtra("PageName", "Page1"); Shortcutinfo is instantiated below. Setrank to set the ordered ordinal, up to 5 Shortcut, which is 0-4; SetIcon is the set icon; Setshortlabel and Setlonglabel are set long name and segment name; Setintent instantiate the previous step Inte NT incomi

through later optimizations, but structural flaws that are pervasive and limit performance are almost impossible to correct unless the program is rewritten. Changing a basic aspect of your design after the system is complete can cause your system to be structurally ill-conditioned and difficult to maintain and improve. So you should consider performance issues during the design process.Try to avoid the design that limits performance. Consider the performance consequences of your code design. It

Android native fonts may not let the UI sister paper favor, it is too ugly, so the UI sister paper used third-party fonts as the font style of the app, this blog is to summarize in the development of Android app how to use third-party fonts.first, there must be a third-party

A series of courses on ipad, Iphone and ipod mobile app development based on the IOS5 platformSuitable for people: BeginnerNumber of lessons: 120 hoursUsing the technology: iphone, ipadProjects involved: calculators, questionnaire systemsConsulting qq:1840215592Course IntroductionThis series of courses are divided into basic articles, project actual combat: 100-120 hours (expected), 45-60 minutes/hours. The

IntroductionNetwork has been my personal blind spot, a while ago to take time to learn a bit volley network tools to use, but also through the source of further learning, have some experience to share. In Android development, a lot of mature network tools, Android comes with HttpClient, as well as okhttp, as well as the Koush great God created ion open source pro

after Android 4.4. This shows a simple JS method with return value.function getgreetings () { return 1;}Java code is called with the Evaluatejavascript methodvoid Testevaluatejavascript (WebView WebView) { webview.evaluatejavascript (new valuecallback() { @Override void onreceivevalue (String value) { " Onreceivevalue value= "+ value);}} );Precautions: The result is defined as string, and for a simple type it is attempted to c

memory allocation/Recycle by yourself, so be careful. In Android development, how can we effectively detect memory usage and Memory leakage? Three methods are introduced here: 1. Program Log information During garbage collection, the program prints a Log information logcat window. For example: D/dalvikvm( 9050): GC_CONCURRENT freed 2049K, 65% free 3571K/9991K, external 4703K/5261K, paused 2ms+2ms Not

function for app optimization, one click can be in iOS and AndroidApp optimization in mobile phone;4. Cloud compilation, the Apicloud official online app icon, launch page and certificate, one-click "Cloud Compilation" can beNative installation package for iOS and Android;5. Cloud repair, use the cloud repair fast iteration, at any time release new version, new

In this tutorial, we will use the following tools on the Windows 64-bit platform: JDK1.7 Eclipse 4.2 Juno Sony Xperia Tipo In order to debug and run applications on real devices, the following steps are generally required: If you are using an Android development phone (ADP), such as Nexus One or Nexus S, download Google's USB drive. If you are using other

Improved to proficient in Mobile (android, IOS) App service program development, androidios 6.2 development Improvement Please refer toDevelopment ManualBasic label language and Expression in 6.3 proficient in mobile App application service program

We have a headache in the absence of app development: a button to change the color of the past, or it is very difficult to see, eventually only temporarily abandoned, wasting a lot of development time and energy.Development specification Chapter see Android Development How t

Intermediates " Path, the compiled jar Library classes.jar . All you need to do is to import this During the import Classes.jar process, there are two issues that may occur (I use the Eclipse development environment, so I will only explain the issues that this environment encounters).The first problem is to import this jar Library by importing other jars , discovering that the compilation is slow and sometimes not even successful,Eclipse cras

(Context context) {Super(context);if(!isineditmode ()) {Setlayertype (View.layer_type_hardware,NULL); } }@Override protected void OnDraw(Canvas canvas) {Super. OnDraw (canvas); for(Item It:mdata) {Mpiepaint.setshader (It.mshader); Canvas.drawarc (Mbounds, the-It.mendangle, It.mendangle-it.mstartangle,true, Mpiepaint); } }@Override protected void onsizechanged(intWintHintOLDW,intOLDH) {mbounds =NewRECTF (0,0, W, h); } RECTF Mbounds; } Copyright NOTICE: When

Step-by-Step android development: Create an APP desktop shortcutZookeeper I have referenced more than N documents on the Internet, and finally found that it is more reliable to write, so I will not repeat the creation of shortcuts. // Create a shortcut Private void addShortcut (){ Intent shortcut = new Intent ("com. android