Bluetooth: improve error message. Fix #150

res/values/strings.xml

@@ -361,6 +361,7 @@
 <string name="bt_error_unsupported">Bluetooth is not supported!</string>
 <string name="bt_error_disabled">Please enable Bluetooth!</string>
 <string name="bt_error_no_tnc">Please configure a Bluetooth TNC!</string>
+<string name="bt_error_connect">Could not connect to %s! Please turn on the device and close other Bluetooth connections.</string>
 
 <string name="afsk_info_sco_req">Requesting bluetooth SCO link...</string>
 <string name="afsk_info_sco_est">Bluetooth SCO link established.</string>

src/backend/BluetoothTnc.scala

@@ -107,7 +107,12 @@ class BluetoothTnc(service : AprsService, prefs : PrefsWrapper) extends AprsBack
 				init_socket()
 				service.postPosterStarted()
 			} catch {
-				case e : Exception => e.printStackTrace(); service.postAbort(e.toString()); running = false;
+				case e : Exception => {
+					e.printStackTrace();
+					service.postAbort(service.getString(R.string.bt_error_connect,
+						tnc.getName()));
+					running = false;
+                                }
 			}
 			while (running) {
 				try {