We will be only using the device discovery feature as this is the most stable part in the libraries on the Raspberry Pi. Also, there is only one mode available, which I will explain later. Let's close all tabs except for the Main class.
In the main method, have all the methods commented except for the runBluetoothDetectionExample(); method. Follow this method, which causes us to scroll down to the contents of this method:
/** * Runs the Bluetooth device discovery example. */ private static void runBluetoothDetectionExample(){ BluetoothDevices example = new BluetoothDevices(); example.init(); try { System.out.println("Starting device search, please wait."); example.runExample(); System.out.println("Search ...