android-custom-jni-namespace
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Published
20 hours ago •
fadeevab
fadeevab
Accessing System Private API Through the Android Linker Namespace
Precondition
Install Android SDK.
Build
For Android 11, you should find getExportedNamespaceDiff in roadtosystem_jni.c and adjust a hardcoded delta.
# Set up `local.properties`
echo "sdk.dir=/path/to/android-sdk-linux" > local.properties
./gradlew build
Install
# Install on Android 8
./gradlew installArm8MinApi23Debug
# Install on Android 11
./gradlew installArm8MinApi30Debug
Test
Launch "roadtosystem" from application list of your device. You should see Access granted in a case of success.
fadeevab