Sealing APK

1. Sealing

1.1 Uploading APK file

Uploading the APK file to the AppSealing server is required in order to activate the AppSealing security module inside the created APK file.

 

     1. Log into ADC and go to the Sealing page. (Fig.1)

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(Fig.1)

 

     2. Select the Sealing options.

  • Test Mode: For testing before uploading for Release Mode.
  • Release Mode: For market release purpose.
  • Rooting: Blocks or allows rooted device from running the application.
  • Emulators: Blocks or allows Bluestacks and Nox from running the application.
  • DEX Encryption : Protects JAVA code by encrypting multiple DEX files.

     3. Click 'Seal APK' button to Seal.

 

1.2 Downloading Sealed APK file

Sealing process can vary in time depending on the APK file size. You’ll be noticed through your email on the Sealing result.

  1.  Go to Sealing History below the Sealing page once the Sealing has been completed. (Fig.2)

(Fig.2)

    2. Download button is activated when the APK file has been Sealed.

    3. Now you can download the Sealed file and install it on a device.

NOTE:

[Release Mode only] The Sealing server breaks the keystore signing during the Sealing process. Keystore signing must be done after Sealing in order to release and install & launch the APK file.
Zipalign must be done in order to upload the APK to Google Play.
No keystore signing required for Test Mode for installing and launching the APK file.

 

2. Keystore Signing and Zipalign

APK file Sealed in Release mode must be signed and zip aligned in order to publish it on Google Play. This is a mandatory procedure for Google Play. Please follow the below guide to sign the keystore and Zipalign.

2.1 Keystore Signing

Please use the following Jarsigner command to sign the Sealed APK.
jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore <KEY STORE FILE> <APK FILE> <ALIAS>

 

2.2 Zipalign

Please use the following command to align the APK file using Zipalign.
zipalign -v 4 your_project_name-unaligned.apk your_project_name.apk

Reference : http://developer.android.com/tools/help/zipalign.html

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