I’m trying to include WhatsApp.apk to the image of Cuttlefish virtual
device. The rule looks like this:
android_app_import {
name: "WhatsApp",
apk: "WhatsApp.apk",
presigned: true,
product_specific: true,
dex_preopt: {
enabled: false,
},
}
However, when doing the device build (lunch aosp_cf_x86_64_phone-userdebug)
the signature changes:
mikko_koivisto@cf-dev-mikko:~/aosp/out$ apksigner verify -v
target/product/vsoc_x86_64/product/app/WhatsApp/WhatsApp.apk
DOES NOT VERIFY
ERROR: JAR signer WHATSAPP.DSA: JAR signature META-INF/WHATSAPP.SF
indicates the APK is signed using APK Signature Scheme v2 but no such
signature was found. Signature stripped?
The app in the original location shows:
mikko_koivisto@cf-dev-mikko:~/aosp$ apksigner verify -v
device/google/cuttlefish/guest/prebuilts/WhatsApp.apk
Verifies
Verified using v1 scheme (JAR signing): true
Verified using v2 scheme (APK Signature Scheme v2): true
Verified using v3 scheme (APK Signature Scheme v3): false
Verified using v3.1 scheme (APK Signature Scheme v3.1): false
Verified using v4 scheme (APK Signature Scheme v4): false
Verified for SourceStamp: false
Number of signers: 1
Missing signature makes PackageManager to reject the app included in the
image and it won't be visible in launcher.
I believe the behavior has changed in aosp master during last couple of
weeks. The behavior is also apk-dependent since some apks (with similar
android_app_import parameters) build just fine.
Best Regards,
Mikko
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