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Recompile APK + Sign with apktool
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# You must first install apktool (https://github.com/iBotPeaches/Apktool) and android SDK | |
# and decompile apk using it | |
# apktool d -rf my-app.apk | |
# then generate a key for sign in: | |
# keytool -genkey -v -keystore my-release-key.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000 | |
rm signed-app.apk | |
apktool b -f -d com.myapp | |
jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore my-release-key.keystore com.myapp/dist/com.myapp.apk alias_name | |
zipalign -v 4 com.myapp/dist/com.myapp.apk signed-app.apk | |
adb -d install -r signed-app.apk | |
adb shell am start -n com.myapp/com.myApp.MainActivity | |
adb logcat | grep -E 'filter-logcat1|filter-logcat2|...' |
Btw, jarsigner
won't work for Android 11+, due to Signature Scheme V1 deprecation.
Need to use apksigner sign --ks my-release-key.keystore -v signed-app.apk
now instead of jarsigner
.
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zipalign
does not overwrite input apk with output.