Update AppRTCDemo UI.

- Removed log box. Debug logs still available through lldb.
- Remote video displayed in aspect fill format.
- Provide a hangup button.
- Added Default-568.png so we display properly on iPhone5+.

BUG=
R=jiayl@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/34669004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@8081 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/examples/objc/AppRTCDemo/ios/ARDVideoCallView.h b/talk/examples/objc/AppRTCDemo/ios/ARDVideoCallView.h
new file mode 100644
index 0000000..98ef0e3
--- /dev/null
+++ b/talk/examples/objc/AppRTCDemo/ios/ARDVideoCallView.h
@@ -0,0 +1,49 @@
+/*
+ * libjingle
+ * Copyright 2015, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <UIKit/UIKit.h>
+
+#import "RTCEAGLVideoView.h"
+
+@class ARDVideoCallView;
+@protocol ARDVideoCallViewDelegate <NSObject>
+
+// Called when the hangup button is pressed.
+- (void)videoCallViewDidHangup:(ARDVideoCallView *)view;
+
+@end
+
+// Video call view that shows local and remote video, provides a label to
+// display status, and also a hangup button.
+@interface ARDVideoCallView : UIView
+
+@property(nonatomic, readonly) UILabel *statusLabel;
+@property(nonatomic, readonly) RTCEAGLVideoView *localVideoView;
+@property(nonatomic, readonly) RTCEAGLVideoView *remoteVideoView;
+@property(nonatomic, weak) id<ARDVideoCallViewDelegate> delegate;
+
+@end