Sign APK and Zipalign - Sealed APK can't be installed on device

(1) Keystore signing and (2) Zipalign is required after Sealing.

WARNING! Sealed APK does not support Google Play App Signing. Sealed APK signed with Google Play App Signing will not launch properly on device.

  1. Sign APK with JarSigner or ApkSigner:
    • Signing with JarSigner
      • jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore [KEY STORE FILE] [APK FILE] [ALIAS]
    • Signing with ApkSigner
      • apksigner sign --ks [KEY_STORE_FILE] --ks-key-alias [ALIAS] [APK_FILE]
      • WARNING! The v1 version signing is required to apply AppSealing. 
  2. Align zip file using Zipalign
    • zipalign -v 4 [APK_FILE] [ZIPALIGNED_OUTPUT_APK_FILE]
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