protected void onCreate()

in tools/android-app/app/src/main/java/com/aws/iotfleetwise/BluetoothActivity.java [25:74]
50 lines of code
11 McCabe index (conditional complexity)

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_bluetooth_device_list);
        setResult(Activity.RESULT_CANCELED);
        ActionBar actionBar = getSupportActionBar();
        if (actionBar != null) {
            actionBar.setDisplayHomeAsUpEnabled(true);
        }
        ArrayAdapter<String> deviceListAdapter = new ArrayAdapter<>(this, R.layout.bluetooth_device);
        ListView deviceListView = findViewById(R.id.device_list);
        deviceListView.setAdapter(deviceListAdapter);
        try {
            BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
            if (adapter == null || !adapter.isEnabled()) {
                deviceListAdapter.add("Bluetooth disabled");
                return;
            }
            Set<BluetoothDevice> devices = adapter.getBondedDevices();
            if (devices == null) {
                deviceListAdapter.add("Error getting devices");
                return;
            }
            for (BluetoothDevice device : devices) {
                ParcelUuid[] uuids = device.getUuids();
                if (uuids == null) {
                    continue;
                }
                for (ParcelUuid uuid : uuids) {
                    if (uuid.getUuid().equals(Elm327.SERIAL_PORT_UUID)) {
                        deviceListAdapter.add(device.getName() + "\t" + device.getAddress());
                        break;
                    }
                }
            }
            if (deviceListAdapter.getCount() == 0) {
                deviceListAdapter.add("No supported devices");
                return;
            }
        }
        catch (SecurityException e) {
            deviceListAdapter.add("Bluetooth access denied");
            return;
        }
        deviceListView.setOnItemClickListener((parent, view, position, id) -> {
            Intent intent = new Intent();
            intent.putExtra("bluetooth_device", ((TextView)view).getText().toString());
            setResult(Activity.RESULT_OK, intent);
            finish();
        });
    }