android studio app development

Quality is critical for an application to be successful in development. Users are asking them to decide that Android applications installed on their devices respond quickly and with reasonable performance. If the application fails to provide useful functionality and a stable user experience, it will be uninstalled quickly. In this article we will introduce ten tricks to quickly improve

The context plays a very important role in the development of Android apps, Like starting an activity. You need to use the Context.startactivity method to convert an XML file to a view object, and you need to use the context object, so to speak, if you leave this class, Android is nowhere to go, how much do we know about such a class? 。 I will tell you how I feel

0 Fundamentals of Android development: Bluetooth chat room app first talk1. Android Introduction and Environment building: the most efficient Android learning in history1.1 Google's size strategy1.2 Internet of Things and cloud computing1.3 Intelligent XX Equipment1.4

the network underlying framework Data caching Mock data User Login and Security 3rd speaking Android Plugin framework Design Introductory knowledge Technology genre Technology perimeter Open Source Framework Heat Repair Technology Future direction 4th Android Classic Scene design City List Clock problems for time zones Picture Cache Ab

10 suggestions for efficient Android App development, If you want to make the most failed case on Google Play, the best secret is that the interface is extremely slow, consumes power, and consumes memory. Next, you will get negative comments from users, and your reputation will become bad. It is useless even if your applications are well designed and creative. Ev

activity when switching between the two screensAndroid:configchanges= "Orientation|screensize|keyboardhidden" The following code can be used in the manifest file to write the screen orientation of the dead activityandroid:screenorientation= "Portrait" vertical screen --android: screenorientation= "Landscape" horizontal screen -- The following code can be used in the Java file to write the screen orientation of the activity (ov

Android mobile app development using the include tag In android, The include tag is a good solution to facilitate control overwriting.However, there are also some points to note. Below is a problem I encountered in the project. Make this record for later viewing.Include label usage.1. Create an xml file named head. xml

Original URL: http://www.cnblogs.com/noTice520/archive/2011/12/05/2276379.htmlToday brings you to the "Android app development full record" in the ListView and Adatper part. Including the basic use of the ListView, the optimization of the ListView and so on.We often use lists in the application to show some content, so it is very necessary to learn the ListView w

I am guilty. I spent an afternoon and finally learned from myself without a teacher. I used C # To develop my first Android browser app. I am sorry for the Java Community (with the development process) Development Process: Install vs2010, Android SDK, and AVD (

Android: cartoon APP development notes read images from Assets locally List is the directory name under Assets. // Read private ArrayList locally GetImageFromAssetsFile (String list) {String test = list; ArrayList Newpiclistinfo = new ArrayList (); String [] list_image = null; try {// obtain the file names of all files in the assets/list/dir

Android: cartoon APP development notes: Scaling pictures in ListView by screen width 1. listview Where, android:divider="#00000000"Set the interval color of the list items to transparent, android:listSelector="#00000000"Set no background color when you click an image (transparent color, no system background color) Ii. piclist_item I

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

What is Beeframework?Beeframework Android provides an app DEMO based on the MVC development model for Android Junior developers and provides an in-app debugging tool, including View Network data Request History Crash Log List Simulated 2G\3G network in real-

, Internet companies, and smart terminal developers; Mobile app developers Traditional web developers; Architect; Traditional smartphones, such as Android Developers; People who want to learn HTML5; Browser customization personnel; Artist developers; Media organizations; Time Content Remarks Day 1 1st topics: HTML5 architecture thinking 1, 1, all in Ja

Blog Melon Maidong = original recordOften many friends in the Android app development process, encountered the creation of a good Android project, the appcompat-v7 error occurred, because Android starting from 5.0, the introduction of this project library, the solution has t

1 IntroductionThis section is about visual Studio Tools for Apache Cordova, which is currently only released in preview. Visual Studio for Apache Cordova helps the. NET programmers who are familiar with Visual Studio users to be able to use the universe's strongest development IDE to create iOS, CSS, javascipt by writi

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

eventsFirst Kind* Define a MyListener implementation Onclicklistener interfaceButton BT1 = (button) Findviewbyid (R.ID.BT1);Bt1.setonclicklistener (New MyListener ());The second Kind* Define an anonymous inner class implementation Onclicklistener interfaceButton BT2 = (button) Findviewbyid (R.ID.BT2);Bt2.setonclicklistener (New Onclicklistener () {@Overridepublic void OnClick (View v) {System.out.println ("second type"); }});Third Kind* Let current activity implement Onclicklistener interfaceBu

(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