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Resign Android apps

To re-sign an Android app provided by SpotMe you will need to use the apksigner tool.

Follow the steps below to download the tool and re-sign the android app:

1. Download Android Studio

More information could be found here.

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2. Install Android Studio

3. Move Android Studio to the Apllications folder

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4. Launch Android Studio app

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5. Install Android SDK

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6. Install the latest SDK components

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7. Resign the .apk file

  • Open the Terminal app

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  • Find apksigner in the Library directory:

> ls ~/Library/Android/sdk/build-tools/26.0.1/lib

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26.0.1 may change according to what has been installed in Android Studio

Optional: Set the bash path

> nano ~/.bash_profile
> export PATH=$ANDROID_HOME/build-tools/26.0.1/:$PATH

Update 26.0.1 according to your install

  • Re-sign apk

> apksigner sign --ks my-release-key.keystore app-full-release.apk

  • Verify signature

> jarsigner -verify -verbose -certs app-full-release.apk

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