Merge pull request #1038 from Yarikx/android-view-observable

rxjava-android: parameterize OperatorViewClick by concrete view type

Author: benjchristensen

rxjava-contrib/rxjava-android/src/main/java/rx/android/observables/ViewObservable.java

@@ -26,7 +26,7 @@
 
 public class ViewObservable {
 
-    public static Observable<View> clicks(final View view, final boolean emitInitialValue) {
+    public static <T extends View> Observable<T> clicks(final T view, final boolean emitInitialValue) {
         return Observable.create(new OperatorViewClick(view, emitInitialValue));
     }
 

rxjava-contrib/rxjava-android/src/main/java/rx/operators/OperatorViewClick.java

@@ -28,17 +28,17 @@
 import rx.functions.Action0;
 import android.view.View;
 
-public final class OperatorViewClick implements Observable.OnSubscribe<View> {
+public final class OperatorViewClick<T extends View> implements Observable.OnSubscribe<T> {
     private final boolean emitInitialValue;
-    private final View view;
+    private final T view;
 
-    public OperatorViewClick(final View view, final boolean emitInitialValue) {
+    public OperatorViewClick(final T view, final boolean emitInitialValue) {
         this.emitInitialValue = emitInitialValue;
         this.view = view;
     }
 
     @Override
-    public void call(final Subscriber<? super View> observer) {
+    public void call(final Subscriber<? super T> observer) {
         Assertions.assertUiThread();
         final CompositeOnClickListener composite = CachedListeners.getFromViewOrCreate(view);