Inject GtasksSyncV2Provider with dagger

astrid/src/main/java/com/todoroo/astrid/gtasks/GtasksBackgroundService.java

@@ -15,10 +15,11 @@ import com.todoroo.astrid.sync.SyncV2Provider;
 public class GtasksBackgroundService extends SyncV2BackgroundService {
 
     @Autowired private GtasksPreferenceService gtasksPreferenceService;
+    @Autowired private GtasksSyncV2Provider gtasksSyncV2Provider;
 
     @Override
     protected SyncV2Provider getSyncProvider() {
-        return GtasksSyncV2Provider.getInstance();
+        return gtasksSyncV2Provider;
     }
 
     @Override

astrid/src/main/java/com/todoroo/astrid/gtasks/GtasksPreferences.java

@@ -26,6 +26,7 @@ import org.tasks.R;
 public class GtasksPreferences extends SyncProviderPreferences {
 
     @Autowired private GtasksPreferenceService gtasksPreferenceService;
+    @Autowired private GtasksSyncV2Provider gtasksSyncV2Provider;
 
     public GtasksPreferences() {
         super();
@@ -70,7 +71,7 @@ public class GtasksPreferences extends SyncProviderPreferences {
     }
 
     public void logOut() {
-        GtasksSyncV2Provider.getInstance().signOut();
+        gtasksSyncV2Provider.signOut();
     }
 
     @Override

astrid/src/main/java/com/todoroo/astrid/gtasks/sync/GtasksSyncV2Provider.java

@@ -10,9 +10,7 @@ import android.text.TextUtils;
 import com.google.api.services.tasks.model.Tasks;
 import com.todoroo.andlib.data.AbstractModel;
 import com.todoroo.andlib.data.TodorooCursor;
-import com.todoroo.andlib.service.Autowired;
 import com.todoroo.andlib.service.ContextManager;
-import com.todoroo.andlib.service.DependencyInjectionService;
 import com.todoroo.andlib.sql.Criterion;
 import com.todoroo.andlib.sql.Join;
 import com.todoroo.andlib.sql.Query;
@@ -36,7 +34,6 @@ import com.todoroo.astrid.gtasks.api.GoogleTasksException;
 import com.todoroo.astrid.gtasks.api.GtasksApiUtilities;
 import com.todoroo.astrid.gtasks.api.GtasksInvoker;
 import com.todoroo.astrid.gtasks.auth.GtasksTokenValidator;
-import com.todoroo.astrid.service.AstridDependencyInjector;
 import com.todoroo.astrid.service.MetadataService;
 import com.todoroo.astrid.service.SyncResultCallbackWrapper;
 import com.todoroo.astrid.service.TaskService;
@@ -52,34 +49,34 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicInteger;
 
+import javax.inject.Inject;
+import javax.inject.Singleton;
+
 import static org.tasks.date.DateTimeUtils.newDate;
 
+@Singleton
 public class GtasksSyncV2Provider extends SyncV2Provider {
 
-    @Autowired TaskService taskService;
-    @Autowired MetadataService metadataService;
-    @Autowired StoreObjectDao storeObjectDao;
-    @Autowired GtasksPreferenceService gtasksPreferenceService;
-    @Autowired GtasksSyncService gtasksSyncService;
-    @Autowired GtasksListService gtasksListService;
-    @Autowired GtasksMetadataService gtasksMetadataService;
-    @Autowired GtasksTaskListUpdater gtasksTaskListUpdater;
-
-    static {
-        AstridDependencyInjector.initialize();
-    }
-
-    private static GtasksSyncV2Provider instance = null;
-
-    protected GtasksSyncV2Provider() {
-        DependencyInjectionService.getInstance().inject(this);
-    }
-
-    public synchronized static GtasksSyncV2Provider getInstance() {
-        if(instance == null) {
-            instance = new GtasksSyncV2Provider();
-        }
-        return instance;
+    private final TaskService taskService;
+    private final MetadataService metadataService;
+    private final StoreObjectDao storeObjectDao;
+    private final GtasksPreferenceService gtasksPreferenceService;
+    private final GtasksSyncService gtasksSyncService;
+    private final GtasksListService gtasksListService;
+    private final GtasksMetadataService gtasksMetadataService;
+    private final GtasksTaskListUpdater gtasksTaskListUpdater;
+
+    @Inject
+    public GtasksSyncV2Provider(TaskService taskService, MetadataService metadataService, StoreObjectDao storeObjectDao, GtasksPreferenceService gtasksPreferenceService,
+                                GtasksSyncService gtasksSyncService, GtasksListService gtasksListService, GtasksMetadataService gtasksMetadataService, GtasksTaskListUpdater gtasksTaskListUpdater) {
+        this.taskService = taskService;
+        this.metadataService = metadataService;
+        this.storeObjectDao = storeObjectDao;
+        this.gtasksPreferenceService = gtasksPreferenceService;
+        this.gtasksSyncService = gtasksSyncService;
+        this.gtasksListService = gtasksListService;
+        this.gtasksMetadataService = gtasksMetadataService;
+        this.gtasksTaskListUpdater = gtasksTaskListUpdater;
     }
 
     @Override

astrid/src/main/java/com/todoroo/astrid/service/AstridDependencyInjector.java

@@ -21,6 +21,7 @@ import com.todoroo.astrid.gtasks.GtasksMetadataService;
 import com.todoroo.astrid.gtasks.GtasksPreferenceService;
 import com.todoroo.astrid.gtasks.GtasksTaskListUpdater;
 import com.todoroo.astrid.gtasks.sync.GtasksSyncService;
+import com.todoroo.astrid.gtasks.sync.GtasksSyncV2Provider;
 import com.todoroo.astrid.tags.TagService;
 
 import org.tasks.Broadcaster;
@@ -74,6 +75,7 @@ public class AstridDependencyInjector extends AbstractDependencyInjector {
     @Inject GtasksMetadataService gtasksMetadataService;
     @Inject GtasksSyncService gtasksSyncService;
     @Inject GtasksTaskListUpdater gtasksTaskListUpdater;
+    @Inject GtasksSyncV2Provider gtasksSyncV2Provider;
 
     /**
      * Initialize list of injectables. Special care must used when
@@ -117,6 +119,7 @@ public class AstridDependencyInjector extends AbstractDependencyInjector {
         injectables.put("gtasksMetadataService", gtasksMetadataService);
         injectables.put("gtasksTaskListUpdater", gtasksTaskListUpdater);
         injectables.put("gtasksSyncService", gtasksSyncService);
+        injectables.put("gtasksSyncV2Provider", gtasksSyncV2Provider);
 
         // com.todoroo.astrid.tags
         injectables.put("tagService", tagService);

astrid/src/main/java/com/todoroo/astrid/service/SyncV2Service.java

@@ -32,12 +32,13 @@ public class SyncV2Service {
      * there is enough interest, the Astrid team could create an interface
      * for responding to sync requests through this new API.
      */
-    private static final SyncV2Provider[] providers = new SyncV2Provider[] {
-            GtasksSyncV2Provider.getInstance()
-    };
+    private final SyncV2Provider[] providers;
 
     @Inject
-    public SyncV2Service() {
+    public SyncV2Service(GtasksSyncV2Provider gtasksSyncV2Provider) {
+        providers = new SyncV2Provider[] {
+                gtasksSyncV2Provider
+        };
     }
 
     /**