# Obfuscation

### Proguard Rules

If you are using SDK Bluetooth (Device) libraries, you need to add this line in your proguard-rules file :

```
-keep class com.drivesync.android.devices.** { *; }
```

The class name for your custom [token signer](/readme/android/initialize-the-sdk.md#configuration) must not be obfuscated:

```
-keep class [MyTokenSigner].** { *; }
```

If you are using the trip recorder, then the name of the [trip notification factory](broken://pages/dbxXRK5VmXVWsraxtyLI#notification-factory) must not be obfuscated:

```
-keep class [MyNotificationFactory].** { *; }
```


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