Fix: When type Parent->Child, enable Dispatcher<Child> to bind LightC…

…ycle<Parent>.

The processor internaly lift the LightCycle<Parent> to  LightCycle<Child>.

examples/real-world/src/main/java/com/soundcloud/lightcycle/sample/real_world/AppForegroundStateProvider.java

@@ -0,0 +1,34 @@
+package com.soundcloud.lightcycle.sample.real_world;
+
+import com.soundcloud.lightcycle.DefaultActivityLightCycle;
+
+import android.app.Activity;
+
+import javax.inject.Inject;
+import javax.inject.Singleton;
+
+@Singleton
+class AppForegroundStateProvider extends DefaultActivityLightCycle<Activity> {
+
+    private boolean isForeground;
+
+    @Inject
+    public AppForegroundStateProvider() {
+        isForeground = false;
+    }
+
+    @Override
+    public void onResume(Activity activity) {
+        isForeground = true;
+    }
+
+    @Override
+    public void onPause(Activity activity) {
+        isForeground = false;
+    }
+
+    public boolean isForeground() {
+        return isForeground;
+    }
+
+}

examples/real-world/src/main/java/com/soundcloud/lightcycle/sample/real_world/SampleActivity.java

@@ -7,6 +7,7 @@
 
 public class SampleActivity extends MyBaseActivity {
     @Inject @LightCycle ScreenTracker screenTracker;
+    @Inject @LightCycle AppForegroundStateProvider foregroundStateProvider;
 
     @Override
     public String getScreenName() {

lightcycle-api/src/main/java/com/soundcloud/lightcycle/LightCycleBinder.java

@@ -1,6 +1,11 @@
 package com.soundcloud.lightcycle;
 
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
 import android.util.Log;
+import android.view.MenuItem;
+import android.view.View;
 
 import java.lang.reflect.Method;
 
@@ -43,4 +48,200 @@ private static Method findBinderForClass(Class<?> cls)
         }
         return lightCycleInjectionMethod;
     }
+
+    public static <Source extends Activity, Target extends Source> ActivityLightCycle<Target> lift(final ActivityLightCycle<Source> lightCycle) {
+        return new ActivityLightCycle<Target>() {
+
+            @Override
+            public void onCreate(Target activity, Bundle bundle) {
+                lightCycle.onCreate(activity, bundle);
+            }
+
+            @Override
+            public void onNewIntent(Target activity, Intent intent) {
+                lightCycle.onNewIntent(activity, intent);
+            }
+
+            @Override
+            public void onStart(Target activity) {
+                lightCycle.onStart(activity);
+            }
+
+            @Override
+            public void onResume(Target activity) {
+                lightCycle.onResume(activity);
+            }
+
+            @Override
+            public boolean onOptionsItemSelected(Target activity, MenuItem item) {
+                return lightCycle.onOptionsItemSelected(activity, item);
+            }
+
+            @Override
+            public void onPause(Target activity) {
+                lightCycle.onPause(activity);
+            }
+
+            @Override
+            public void onStop(Target activity) {
+                lightCycle.onStop(activity);
+            }
+
+            @Override
+            public void onSaveInstanceState(Target activity, Bundle bundle) {
+                lightCycle.onSaveInstanceState(activity, bundle);
+            }
+
+            @Override
+            public void onRestoreInstanceState(Target activity, Bundle bundle) {
+                lightCycle.onRestoreInstanceState(activity, bundle);
+            }
+
+            @Override
+            public void onDestroy(Target activity) {
+                lightCycle.onDestroy(activity);
+            }
+        };
+    }
+
+    public static <Source extends android.app.Fragment, Target extends Source> FragmentLightCycle<Target> lift(final FragmentLightCycle<Source> lightCycle) {
+        return new FragmentLightCycle<Target>() {
+
+            @Override
+            public void onAttach(Target fragment, Activity activity) {
+                lightCycle.onAttach(fragment, activity);
+            }
+
+            @Override
+            public void onCreate(Target fragment, Bundle bundle) {
+                lightCycle.onCreate(fragment, bundle);
+            }
+
+            @Override
+            public void onViewCreated(Target fragment, View view, Bundle savedInstanceState) {
+                lightCycle.onViewCreated(fragment, view, savedInstanceState);
+            }
+
+            @Override
+            public void onStart(Target fragment) {
+                lightCycle.onStart(fragment);
+            }
+
+            @Override
+            public void onResume(Target fragment) {
+                lightCycle.onResume(fragment);
+            }
+
+            @Override
+            public boolean onOptionsItemSelected(Target fragment, MenuItem item) {
+                return lightCycle.onOptionsItemSelected(fragment, item);
+            }
+
+            @Override
+            public void onPause(Target fragment) {
+                lightCycle.onPause(fragment);
+            }
+
+            @Override
+            public void onStop(Target fragment) {
+                lightCycle.onStop(fragment);
+            }
+
+            @Override
+            public void onSaveInstanceState(Target fragment, Bundle bundle) {
+                lightCycle.onSaveInstanceState(fragment, bundle);
+            }
+
+            @Override
+            public void onRestoreInstanceState(Target fragment, Bundle bundle) {
+                lightCycle.onRestoreInstanceState(fragment, bundle);
+            }
+
+            @Override
+            public void onDestroyView(Target fragment) {
+                lightCycle.onDestroyView(fragment);
+            }
+
+            @Override
+            public void onDestroy(Target fragment) {
+                lightCycle.onDestroy(fragment);
+            }
+
+            @Override
+            public void onDetach(Target fragment) {
+                lightCycle.onDetach(fragment);
+            }
+        };
+    }
+
+
+    public static <Source extends android.support.v4.app.Fragment, Target extends Source> SupportFragmentLightCycle<Target> lift(final SupportFragmentLightCycle<Source> lightCycle) {
+        return new SupportFragmentLightCycle<Target>() {
+
+            @Override
+            public void onAttach(Target fragment, Activity activity) {
+                lightCycle.onAttach(fragment, activity);
+            }
+
+            @Override
+            public void onCreate(Target fragment, Bundle bundle) {
+                lightCycle.onCreate(fragment, bundle);
+            }
+
+            @Override
+            public void onViewCreated(Target fragment, View view, Bundle savedInstanceState) {
+                lightCycle.onViewCreated(fragment, view, savedInstanceState);
+            }
+
+            @Override
+            public void onStart(Target fragment) {
+                lightCycle.onStart(fragment);
+            }
+
+            @Override
+            public void onResume(Target fragment) {
+                lightCycle.onResume(fragment);
+            }
+
+            @Override
+            public boolean onOptionsItemSelected(Target fragment, MenuItem item) {
+                return lightCycle.onOptionsItemSelected(fragment, item);
+            }
+
+            @Override
+            public void onPause(Target fragment) {
+                lightCycle.onPause(fragment);
+            }
+
+            @Override
+            public void onStop(Target fragment) {
+                lightCycle.onStop(fragment);
+            }
+
+            @Override
+            public void onSaveInstanceState(Target fragment, Bundle bundle) {
+                lightCycle.onSaveInstanceState(fragment, bundle);
+            }
+
+            @Override
+            public void onRestoreInstanceState(Target fragment, Bundle bundle) {
+                lightCycle.onRestoreInstanceState(fragment, bundle);
+            }
+
+            @Override
+            public void onDestroyView(Target fragment) {
+                lightCycle.onDestroyView(fragment);
+            }
+
+            @Override
+            public void onDestroy(Target fragment) {
+                lightCycle.onDestroy(fragment);
+            }
+
+            @Override
+            public void onDetach(Target fragment) {
+                lightCycle.onDetach(fragment);
+            }
+        };
+    }
 }

lightcycle-api/src/main/java/com/soundcloud/lightcycle/LightCycleDispatcher.java

@@ -1,5 +1,6 @@
 package com.soundcloud.lightcycle;
 
+// TODO : rename ?
 public interface LightCycleDispatcher<LightCycle> {
 
     void bind(LightCycle lightCycle);