Service implementation

calculatorpp-service/src/main/java/org/solovyev/android/calculator/CalculationServiceImpl.java

@@ -12,11 +12,14 @@ import org.jetbrains.annotations.NotNull;
  * Date: 3/5/12
  * Time: 10:23 PM
  */
-public class CalculationService extends Service {
+public class CalculationServiceImpl extends Service implements ICalculationService {
 
     @NotNull
     private ServiceHandler handler;
 
+    public CalculationServiceImpl() {
+    }
+
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
         Toast.makeText(this, ".CalculationService.onStartCommand", Toast.LENGTH_SHORT).show();
@@ -56,7 +59,7 @@ public class CalculationService extends Service {
 
     @Override
     public IBinder onBind(Intent intent) {
-        return null;
+        return new LocalBinder<ICalculationService>(this);
     }
 
     private final class ServiceHandler extends Handler {
@@ -67,7 +70,7 @@ public class CalculationService extends Service {
 
         @Override
         public void handleMessage(@NotNull Message msg) {
-            Toast.makeText(CalculationService.this, "Doing job!", Toast.LENGTH_SHORT).show();
+            Toast.makeText(CalculationServiceImpl.this, "Doing job!", Toast.LENGTH_SHORT).show();
             stopSelf(msg.arg1);
         }
     }

calculatorpp-service/src/main/java/org/solovyev/android/calculator/ICalculationService.java

@@ -0,0 +1,9 @@
+package org.solovyev.android.calculator;
+
+/**
+ * User: serso
+ * Date: 3/5/12
+ * Time: 10:23 PM
+ */
+public interface ICalculationService {
+}

calculatorpp-service/src/main/java/org/solovyev/android/calculator/LocalBinder.java

@@ -0,0 +1,33 @@
+package org.solovyev.android.calculator;
+
+import android.os.Binder;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.lang.ref.WeakReference;
+
+/**
+ * A generic implementation of Binder to be used for local services
+ *
+ * @param <S> The type of the service being bound
+ * @author Geoff Bruckner  12th December 2009
+ */
+
+public class LocalBinder<S> extends Binder {
+
+    @NotNull
+    private static String TAG = "LocalBinder";
+
+    @NotNull
+    private WeakReference<S> serviceReference;
+
+
+    public LocalBinder(@NotNull S service) {
+        serviceReference = new WeakReference<S>(service);
+    }
+
+    @Nullable
+    public S getService() {
+        return serviceReference.get();
+    }
+}