Added sample Activity demonstrating LifecycleObservable

Author: dlew

sample-app/build.gradle

@@ -30,4 +30,5 @@ android {
 
 dependencies {
     compile project(':rxandroid')
+    compile project(':rxandroid-framework')
 }

sample-app/src/main/AndroidManifest.xml

@@ -53,6 +53,17 @@
                 <action android:name="android.intent.action.MAIN"/>
             </intent-filter>
         </activity>
+
+        <activity android:name=".LifecycleObservableActivity"
+                  android:label="Rx Lifecycle">
+
+            <intent-filter>
+                <category android:name="android.intent.category.LAUNCHER"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+                <action android:name="android.intent.action.MAIN"/>
+            </intent-filter>
+        </activity>
+
     </application>
 
 </manifest>

sample-app/src/main/java/rx/android/samples/LifecycleObservableActivity.java

@@ -0,0 +1,81 @@
+/**
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package rx.android.samples;
+
+import android.os.Bundle;
+import android.util.Log;
+import android.widget.Button;
+import android.widget.Toast;
+import rx.Subscription;
+import rx.android.app.RxActivity;
+import rx.android.lifecycle.LifecycleObservable;
+import rx.android.view.OnClickEvent;
+import rx.android.view.ViewObservable;
+import rx.functions.Action1;
+
+/**
+ * Simple example of creating a Subscription that is bound to the lifecycle
+ * (and thus automatically unsubscribed when the Activity is destroyed).
+ */
+public class LifecycleObservableActivity extends RxActivity {
+
+    private static final String TAG = LifecycleObservableActivity.class.getSimpleName();
+
+    private Button button;
+
+    private Subscription subscription;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        button = new Button(this);
+        button.setText("Click Me!");
+        setContentView(button);
+    }
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+
+        subscription =
+                LifecycleObservable.bindActivityLifecycle(lifecycle(), ViewObservable.clicks(button))
+                        .subscribe(new Action1<OnClickEvent>() {
+                            @Override
+                            public void call(OnClickEvent onClickEvent) {
+                                Toast.makeText(LifecycleObservableActivity.this,
+                                        "Clicked button!",
+                                        Toast.LENGTH_SHORT)
+                                        .show();
+                            }
+                        });
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+
+        // Should output "false"
+        Log.i(TAG, "onPause(), isUnsubscribed=" + subscription.isUnsubscribed());
+    }
+
+    @Override
+    protected void onStop() {
+        super.onStop();
+
+        // Should output "true"
+        Log.i(TAG, "onStop(), isUnsubscribed=" + subscription.isUnsubscribed());
+    }
+}