best book for android app development

start node of city, the city object is created and the object is created to make it easier to save the text that will be parsedWhen parsing to the name start node, gets the text content of the next node, same as temp, PM CaseXmlpullparser.start_tag://gets the name of the current node 　　 if("Weather". Equals (Xp.getname ())) {Citys=NewArraylist(); }Else if("City". Equals (Xp.getname ())) { City=NewCity (); }Else if("Name". Equals (Xp.getname ())) {//gets the text of the next node of the current

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

); for(PackageInfo p:list) {Bean=NewAppbean (); Bean.setappicon (P.applicationinfo.loadicon (Packagemanager)); Bean.setappname (Packagemanager.getapplicationlabel (p.applicationinfo). toString ()); Bean.setapppackagename (P.applicationinfo.packagename); Bean.setapkpath (P.applicationinfo.sourcedir); File File=NewFile (P.applicationinfo.sourcedir); Bean.setappsize ((int) file.length ()); intflags=P.applicationinfo.flags; //determine if the APK is part

available to the user as standalone plugins, which are no longer detailed here. The following is an overview of the work that needs to be done from a development perspective.Ø framework features that need to be developed in the main application:Identify if the specific plugin is already installed (based on the plugin's package name)If you have installed to determine if you need to upgrade (server-side to get the latest version and local comparison)Do

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

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

demotion, that is, different interactive complexity and visual effect and animation effect are used on different performance phones. For system elements, such as desktop icons, notification bar, and so on, because ROM, launcher difference is too large, it is recommended to stay away from these parts, do not engage, otherwise the cost may be greater than the benefit. adaptation is hard work, separating changes, isolating changes, and using design solutions more clearly than adding if statements

)); Tabhost.setcurrenttab (0);}}below to build our frame, the new Imageframe.java, Textframe.java, Bothframe.java inside the content basically similar, the following gives an example:Imageframe.javaPackage Com.jov.germany.frame;import Android.annotation.suppresslint;import Android.app.fragment;import Android.os.bundle;import Android.view.layoutinflater;import Android.view.view;import Android.view.ViewGroup; Import COM.JOV.GERMANY.R; @SuppressLint ("Newapi") public class ImageFrame extends fragme

( "Bothtab"). Setindicator ("Close Set"). SetContent (R.id.both_tab)); Tabhost.setcurrenttab (0);}}To come down to build our frame, the new Imageframe.java, Textframe.java, Bothframe.java inside the content almost identical, the following to a sample:Imageframe.javaPackage Com.jov.germany.frame;import Android.annotation.suppresslint;import Android.app.fragment;import Android.os.bundle;import Android.view.layoutinflater;import Android.view.view;import Android.view.ViewGroup; Import COM.JOV.GERMA

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