ACTION_DISCOVERY_STARTED never called android

android, bluetooth

Solution

try this

public class AddPrinter extends ListActivity {

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

            filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);  
            registerReceiver(receiver, filter);  
            filter = new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_STARTED);  
            registerReceiver(receiver, filter);  
            filter = new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);  
            registerReceiver(receiver, filter); 

             //
             bluetoothAdapter.startDiscovery();

}

put `bluetoothAdapter.startDiscovery();` after registering recevier

Problem

I have the next code : ``` public class AddPrinter extends ListActivity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); bluetoothAdapter.startDiscovery(); filter = new IntentFilter(); filter.addAction(BluetoothDevice.ACTION_FOUND); filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_STARTED); filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED); registerReceiver(receiver, filter); } BroadcastReceiver receiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); System.out.println(action); if (BluetoothDevice.ACTION_FOUND.equals(action)) { BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); adapter.add(device); } else if (BluetoothAdapter.ACTION_DISCOVERY_STARTED.equals(intent.getAction())) { System.out.println("STARTED"); } else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(intent.getAction())) { Utils.dialog.dismiss(); } } }; ``` The problem i have is so weird, for some reason the ACTION_DISCOVERY_STARTED is never called, but all the other actions are fine, what am i missing? thank you for your time.

Original source