Implement leave button.

src/android/customCamera/res/layout/activity_camera_view.xml

@@ -25,11 +25,12 @@
         android:padding="@dimen/default_padding" >
 
         <ImageButton
-            android:id="@+id/back"
+            android:id="@+id/leave"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="left"
             android:background="@android:color/transparent"
+            android:onClick="leaveCamera"
             android:src="@drawable/back" />
         
         <View

src/android/customCamera/src/org/geneanet/customcamera/CameraActivity.java

@@ -926,6 +926,13 @@ public class CameraActivity extends Activity {
     this.finish();
   }
   
+  /**
+   * When the leave button is pressed.
+   */
+  public void leaveCamera(View v) {
+	  onBackPressed();
+  }
+  
   /**
    * Allow to enable or disable the flash of the camera.
    * @param view The current view.