launch method
Launches the Offerwall.
This method should be called after the SDK has been configured.
Throws an UnimplementedError if the platform-specific implementation has not been provided.
Implementation
@override
Future<void> launch() async {
try {
await methodChannel.invokeMethod('launch');
} on PlatformException {
rethrow;
} catch (e) {
throw PlatformException(
code: 'LAUNCH_ERROR', message: 'Failed to launch: $e');
}
}