You will need version 54 or later of the Xposed Framework.
Put the `XposedBridgeApi.jar` into the folder `app/libs/`.
-Then run `gradle assemble`.
+
You may have to create a file `local.properties` to tell gradle where the Android build tools are located, with content like this:
```
sdk.dir=/path/to/android-sdk
```
+
+Then run `gradle assemble`.