how to program android

The usual way to hack the Android program is to use the APK file to decompile the Apktool, generate the Smali format of the disassembly code, and then read the Smali file code to understand the program's operating mechanism, to find a breach of the program to modify, Finally, use Apktool to recompile the APK file and sign it, run the test, and then loop until the

[Index page] [Download source code] Famous Android (1)-build an Android development environment and a Hello World Program in Windows Author: webabcd IntroductionBuild an Android development environment and write a simple sample program Build an

[Original] Development of the first Android Program (Tutorial series), Android tutorial [Personnel oriented]: All Android Developers are determined to start from scratch;[Tutorial description]: The content of this tutorial must be original, concise, and detailed. The attachment link must be available, up-to-date, and c

Android Native program reverse entry (1)-Native program startup process, androidnative In August, the sun was yellow. Who said the world is not gold? The little birds nap in the shade, and the children roll in the grass. In August, the sun was yellow. Who said the world is not gold? The golden forests, the golden grass, and the birds play a pleasant voice: The Go

Learn from the first line of code--android, the fifth chapter on the broadcast packet related knowledge, the front to get the broadcast program routines can run through, but in 5.3.2, program A sends a custom broadcast, and receives a custom broadcast, and program B also receives the custom broadcast. Actually write co

Here, we will analyze the structure and execution process of the android testing program based on the music testing program. O testrunner 1. instrumentation is a basic executable unit, which is similar to activity and service. All test programs must inherit from it. 2. testsuiteprovider is an interface with an interface function gettestsuite to obtain test cases

Copy Code code as follows: Program Download Upgrade Zhouxiang @JavascriptInterface public void UPDATECAECP (final String path) { try{ Alertdialog.builder Builder = new Builder (context) obj; Builder.setmessage ("Detected a new release, whether to download upgrades?"); Builder.settitle ("program update Prompt"); Builder.setpositivebutton ("Upgrade", new Onclicklistener () { @Override public voi

Start your own Android Application The first parameter is the package name of the application, and the last parameter is the main activity name of the application. Intent intent = new intent (); Intent. setcomponent (New componentname ("com. droidnova. Android. Games. vortex ", "Com. droidnova. Android. Games. vortex. vortex ")); Startactivity (intent );

bundle = This.getintent (). Getextras (); String packagename= bundle.getstring ("PackageName"); String appversion = bundle.getstring ("appversion"); String appname = bundle.getstring ("appname"); string[] apppremissions = Bundle.getstringarray ("apppremissions"); StringBuilder sb = new StringBuilder (); for (String s:apppremissions) {sb.append (s); Sb.append ("\ n");} Tv_appnAme.settext (appname); Tv_appversion.settext (appversion); Tv_packagename.settext (PackageName); tv_ Permission.settext (

timely implementation of the message line and real-time.3. Message Push Solution OverviewA, C2DM Cloud Push ProgramOn the Android phone platform, Google offers C2DM (cloudto Device messaging) services. The Android Cloud to Device messaging (C2DM) is a service that helps developers send data from the server to the Android application. The service provides a simpl

Home key and other reasons, the program will become a background program, the system will be more necessary, may be recycled resources, and then open, it will be due to resource recycling, and then call OnCreate, no intent parameters and cause the program to crash.In this case, there are two ways we can deal with it:@Override protected void Onsaveinstancestate (B

@Overridepublic boolean onKeyDown (int keycode, keyevent event) {if (keycode = = Keyevent.keycode_back) {Exitby2click ();}return false;}/** * Double Exit Function */private static Boolean Isexit = false;private void Exitby2click () {Timer texit = null;if (Isexit = = False) {Isexit = true;Ready to exitToast.maketext (This, "Press again to exit the program", Toast.length_short). Show ();Texit = new Timer (); Texit.schedule (New TimerTask () {@Overridepu

. The View class is a very important class. It also has a subclass ViewGroup, but the ViewGoup class is often used as the container of other components. Another note is the relationship between the View and ViewGoup classes. The View class includes the ViewGoup class and the ViewGoup class also includes the View class: How can we implement interface development in the android project? Generally, we can achieve this in two ways: (1) control by XML att

the installation location of the Android NDK at the NDK locationsThe CDT and ADT are complete.AVD Manager.exe Create a virtual device, I choose 4.1.2Two. Create an Android programNew Android project, there is a problem here is the last step point finish did not respondBecause of the 2.2 that was chosen at the time of creation, it's no problem on top of 4.0.Then

Capture android program crash logs and android logs Main categories: Package com. example. callstatus; import java. io. file; import java. io. fileOutputStream; import java. io. printWriter; import java. io. stringWriter; import java. lang. thread. uncaughtExceptionHandler; import java. lang. reflect. field; import java.net. unknownHostException; import java. te

This article mainly describes several possible reasons why the icon does not appear after the Android app is installed .The program you wrote suddenly disappeared after the installation, can be found in the application installation, but the desktop is no icon, start only from the most recent list of them. Typically this happens only in service class programs and test programs, because icons are not required

"com. android. demo "*/import android. app. activity;/** reference the activity component from the android SDK */import android. OS. bundle;/** reference bundle component from Android SDK */public class demoactivity extends activity {/** create class demoactivity, inherit a

Li huaming himiOriginal, reprinted must be explicitly noted:Reprinted from[Heimi gamedev block]Link: http://www.himigame.com/android-game/316.html Many kids shoes say that after my code is run, clicking home or back will cause a program exception. If you have encountered this, you certainly haven't carefully read the himi blog, in article 19th, himi specifically wrote about the causes and solutions of the

Previous Article First, let's take a look at the layout. There is only one button and one image. [Html] Android: layout_width = "match_parent"Android: layout_height = "match_parent"Android: orientation = "vertical">Android: id = "@ + id/button1"Android: layout_width = "mat

[Android development experience] We need to tell users that the program is about to crash and android is about to crash. Reprinted please indicate the source: http://blog.csdn.net/zhaokaiqiang1992 Although our programs will undergo rigorous tests before they are officially launched to ensure program robustness and good