Fixed ControlRecordingService: only unbind if connected.

src/androidTest/java/de/dennisguse/opentracks/services/ControlRecordingServiceTest.java

@@ -25,7 +25,9 @@ import androidx.test.rule.ServiceTestRule;
 import org.junit.Assert;
 import org.junit.Rule;
 import org.junit.Test;
+import org.junit.runner.RunWith;
 import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
 
 import java.util.concurrent.TimeoutException;
 
@@ -40,16 +42,17 @@ import static org.mockito.Mockito.when;
  *
  * @author Youtao Liu
  */
+@RunWith(MockitoJUnitRunner.class)
 public class ControlRecordingServiceTest {
 
+    private Context context = ApplicationProvider.getApplicationContext();
+
     @Rule
     public final ServiceTestRule mServiceRule = new ServiceTestRule();
 
     @Rule
     public GrantPermissionRule mRuntimePermissionRule = GrantPermissionRule.grant(android.Manifest.permission.ACCESS_FINE_LOCATION);
 
-    private Context context = ApplicationProvider.getApplicationContext();
-
     @Mock
     private ITrackRecordingService iTrackRecordingServiceMock;
 
@@ -68,7 +71,7 @@ public class ControlRecordingServiceTest {
 
         when(iTrackRecordingServiceMock.startNewTrack()).thenReturn(1L);
         subject.onHandleIntent(intent, iTrackRecordingServiceMock);
-        verify(iTrackRecordingServiceMock);
+        verify(iTrackRecordingServiceMock).startNewTrack();
     }
 
     /**
@@ -79,10 +82,9 @@ public class ControlRecordingServiceTest {
     @Test
     public void testStopRecording() throws TimeoutException {
         Intent intent = startControlRecordingService(context.getString(R.string.track_action_end));
-        iTrackRecordingServiceMock.endCurrentTrack();
 
         subject.onHandleIntent(intent, iTrackRecordingServiceMock);
-        verify(iTrackRecordingServiceMock);
+        verify(iTrackRecordingServiceMock).endCurrentTrack();
     }
 
     /**
@@ -94,7 +96,7 @@ public class ControlRecordingServiceTest {
         Intent intent = new Intent(context, ControlRecordingService.class);
         intent.setAction(action);
         mServiceRule.startService(intent);
-        subject = ((ControlRecordingService) mServiceRule.bindService(intent));
+        subject = ((ControlRecordingService.LocalBinder) mServiceRule.bindService(intent)).getService();
         return intent;
     }
 }

src/main/java/de/dennisguse/opentracks/services/ControlRecordingService.java

@@ -20,12 +20,14 @@ import android.app.IntentService;
 import android.content.ComponentName;
 import android.content.Intent;
 import android.content.ServiceConnection;
+import android.os.Binder;
 import android.os.IBinder;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
-import de.dennisguse.opentracks.widgets.TrackWidgetProvider;
 import de.dennisguse.opentracks.R;
+import de.dennisguse.opentracks.widgets.TrackWidgetProvider;
 
 /**
  * A service to control starting and stopping of a recording. This service,
@@ -57,6 +59,39 @@ public class ControlRecordingService extends IntentService implements ServiceCon
         bindService(newIntent, this, 0);
     }
 
+    @VisibleForTesting
+    @Nullable
+    @Override
+    public IBinder onBind(Intent intent) {
+        return new LocalBinder();
+    }
+
+    /**
+     * Handles the intent to start or stop a recording.
+     *
+     * @param intent  to be handled
+     * @param service the trackRecordingService
+     */
+    @VisibleForTesting
+    void onHandleIntent(Intent intent, ITrackRecordingService service) {
+        String action = intent.getAction();
+        if (action != null) {
+            if (action.equals(getString(R.string.track_action_start))) {
+                service.startNewTrack();
+            } else if (action.equals(getString(R.string.track_action_end))) {
+                service.endCurrentTrack();
+            } else if (action.equals(getString(R.string.track_action_pause))) {
+                service.pauseCurrentTrack();
+            } else if (action.equals(getString(R.string.track_action_resume))) {
+                service.resumeCurrentTrack();
+            }
+        }
+        if (connected) {
+            unbindService(this);
+            connected = false;
+        }
+    }
+
     @Override
     public void onServiceConnected(ComponentName name, IBinder service) {
         trackRecordingService = (ITrackRecordingService) service;
@@ -97,31 +132,14 @@ public class ControlRecordingService extends IntentService implements ServiceCon
         onHandleIntent(intent, trackRecordingService);
     }
 
-
-    /**
-     * Handles the intent to start or stop a recording.
-     *
-     * @param intent  to be handled
-     * @param service the trackRecordingService
-     */
     @VisibleForTesting
-    void onHandleIntent(Intent intent, ITrackRecordingService service) {
-        String action = intent.getAction();
-        if (action != null) {
-            if (action.equals(getString(R.string.track_action_start))) {
-                service.startNewTrack();
-            } else if (action.equals(getString(R.string.track_action_end))) {
-                service.endCurrentTrack();
-            } else if (action.equals(getString(R.string.track_action_pause))) {
-                service.pauseCurrentTrack();
-            } else if (action.equals(getString(R.string.track_action_resume))) {
-                service.resumeCurrentTrack();
-            }
+    public class LocalBinder extends Binder {
+        ControlRecordingService getService() {
+            return ControlRecordingService.this;
         }
-        unbindService(this);
-        connected = false;
     }
 
+
     @Override
     public void onDestroy() {
         super.onDestroy();