APK anti-compilation to advertise big secret

apk anti-compilation go to adsSpecific steps:

1. Download Apktool

: https://code.google.com/p/android-apktool/downloads/list

2. Decompile the APK with Apktool. On the command line, enter the following command: Apktool.bat d-f aaa.apk (apk Path) anti-compilation apk file

3. Start modifying the XML layout file

First, let's go to the anti-compiled folder, take my example

Enter the C:\apk\com.youmi.android.sample\res\layout directory

Open Activity_ad.xml with Notepad (note: Different program ads are located in the same file, you can view the other files, usually in the Res\layout directory in the XML file. ）

You can see the following section of code

<linearlayout

Android:id= "@+id/adlayout"

Android:layout_width= "Fill_parent"

android:layout_height= "Wrap_content"

Android:layout_alignparentbottom= "true"

Android:gravity= "Center_horizontal"

android:orientation= "Horizontal"

>

This code is used to display the ads we can change to

<linearlayout

Android:id= "@+id/adlayout"

Android:layout_width= "Fill_parent"

android:layout_height= "Wrap_content"

Android:layout_alignparentbottom= "true"

Android:gravity= "Center_horizontal"

android:orientation= "Horizontal"

Android:visibility= "Gone"

>

So the ads are hidden.

4. Compile the modified code by Apktool apk, enter Apktool.bat b aaa (you compiled the folder)

5. Finally, remember to sign the new apk.

Sign apk file:jarsigner-keystore test.keystore-storepass password-verbose testapp-unsigned.apk Name_alias

Appendix

Jarsigner command Explanation

[-keystore <url>] KeyStore location

[-storepass < password;] Password for KeyStore integrity

[-storetype < type;] KeyStore type

[-keypass < password;] Password for private key (if different)

[-sigfile < documents;]. sf/. The name of the DSA file

[-signedjar < file;] Name of the signed JAR file

[-digestalg < algorithm;] The name of the digest algorithm

[-sigalg < algorithm;] The name of the signature algorithm

[-verify] Validating a signed JAR file

[-verbose] Output details when signing/validating

[-certs] Output details and certificate display when validating

[-tsa <url>] location of the timestamp mechanism

[-tsacert < aliases;] The public key certificate for the timestamp mechanism

[-altsigner <] class name of an alternative signature mechanism

[-altsignerpath < path list;] The location of the replacement signature mechanism

[-INTERNALSF] is contained within the signature block. SF file

[-sectionsonly] does not calculate the hash of the entire manifest

[-protected] KeyStore protected authentication Path

[-providername < name;] Provider Name

[-providerclass < class > name of the cryptographic service provider

[-providerarg < parameters;]] ... Main class file and constructor parameters

APK anti-compilation to advertise big secret