Now the main tool is to contact the SDK, in order to prevent the game pack to be cracked compiled, as well as find the encryption string, I would share the following points:There are four main ways to implement anti-cracking technology:1. Code obfuscation (Proguard) technology2. Signature Alignment Technology3.NDK. So dynamic Library technology4. Dynamic Loading Technology5. Third-party platform encryption and detection vulnerabilitiesThis article also mentions the relevant knowledge points in t
method a: 1、、change the APK file name to .zip, and decompress the class. dex file 2). Install the tool dex2jar that decompile the dex file into a jar file. http://code.google.com/p/dex2jar/downloads/list3 Copy class. dex to the directory where dex2jar. bat is located. 4) generate the jar file classes. dex. dex2jar. jar dex2jar. bat classes. dexdex2jar. bat classes. dex5). Install the tool that decompile the jar into java. JD-GUI) http://java.decompil
If the apk file is placed under IIS, you need to add the mime of the APK, otherwise the following error will occur You can add MIME mappings on IIS . apk Application/vnd.android The following transfer is from: http://www.cnblogs.com/coolszy/archive/2012/04/27/2474279.html As a result of open-source Android projects
of the stack from the task stack.String Get Topactivity (Activity context) { = (Activitymanager) Context.getsystemservice (activity_service); List); if NULL ) return (runningtaskinfos.get (0). topactivity). toString (); Else return NULL ; } Finally, don't forget to add permissions in Androidmanifest.xml:4, Android How to achieve click on a butto
Today, when comparing multiple similar theme projects, we found that part of the compiled apk is bloated.
In reference to the "Android build Size Optimization APK build Size Optimization" http://www.opensoce.com/3892.html
Find the options in android project properties to reduce the size of the
. exists () {f. mkdir ();} Try {// get the prepared SQLite database under the assets directory as the input stream inputstream is = getbasecontext (). getassets (). open (db_name); // output stream outputstream OS = new fileoutputstream (db_path + db_name); // write byte [] buffer = new byte [1024]; int length; while (length = is. read (buffer)> 0) {OS. write (buffer, 0, length);} // close the file stream O
Today we are familiar with the test environment:1. Download the server code and rungit clone https://github.com/SecurityCompass/LabServer.git2. This server is the APK client side, running:To run the HTTP server on port 80808443--ssl--port 84433. Open the Android virtual machine and install the APK.Open Android SDK Manager, select "Tools" for
How to install the apk in the assets file in android
Install the apk file under the assets Directory in your app
Public class MainActivity extends Activity {Context mContext; @ Overrideprotected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. activity_main); mContext = this; // Toast. makeText (this, "
First, decrypt the simplest apk program. The apk interface is as follows:
This apk is simple and easier to use. Enter the content in the input box and click "verify". If the serial number is correct, "lisence correct!" is displayed in the input box !"
The entered serial number is incorrect. The input box displays "lisence uncorrect !"
Click the Clear button to
not;3) The guess is that the SDK build tools are not fully downloaded, so the SDK tools are updated and downloaded, and Android Studio is restarted, or not installed;4) Online There are methods that need to kill the Android background process Adb.exe, but also in cmd cmd adb kill-server Restart the ADB and restart the Adb.exe method, and then unplug the phone, reinstall, or not line;5) There is also the ar
First, decrypt the simplest APK program. The APK interface is as follows:
This APK is simple and easier to use. Enter the content in the input box and click "verify". If the serial number is correct, "lisence correct!" is displayed in the input box !"
The entered serial number is incorrect. The input box displays "lisence Uncorrect !"
Click the Clear button to
A packagemanager can get all the packet node information:1, base class for all nodes: Packageiteminfo;2,packageinfo:package's comprehensive information, consistent with all information in the Androidmanifest.xml;3,applicationinfo: Associated application-specific information, consistent with the application node in the manifest;4,activityinfo: Information associated with activity or receiver, consistent with the nodes in the list;5,serviceinfo: The information associated with the service, consist
Now Android development, generally adopt CS mode, then APK upgrade, naturally need to have server side support. In general, we put the upgraded version and a configuration file that records the upgraded version (in the Jsonarray format in this article) on the server side. When client initializes, if the server side is detected with an updated version (read the configuration file of the server), the upgrade
cannot be found. In application. mk, add:
App_cppflags: =...-STD = C ++ 11
Ndk_toolchain_version = 4.7 # This must be added ....
I don't know why. I added this on the Mac machine, but the compilation still reported the error. In Windows + cygwin, it was okay... It's too tough.
6. Start eclipse
File-> project...-> Android project from existing code
Export the project just now.
7. Build->
In many Apk applications on the Internet, the author adds ads to free versions, and a large number of de-advertising versions appear on the Internet. In addition, there are some software that will pop up at startup, either useless prompts or suggestions for registration. Android enthusiasts are keen to download these Android software without ad-free pop-up window
As we all know, through the Packagemanager can obtain the mobile phone installed apk file information, the specific code is as follows[Java]View Plaincopyprint?
Packagemanager Packagemanager = This.getpackagemanager ();
list
Through the above method, you can get all the applications installed in the phone, including the manual installation of the APK package information, but also includes
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