Fix bugs

1. Fix rotation bugs. It will dismiss frequently using device
orientation rather than interface orientation.
2. Fix divider display issue. Redraw the UI after next/previous page
button clicked.

Author: camelcc

MenuPopOverView/MenuPopOverView.m

@@ -37,6 +37,8 @@ @interface MenuPopOverView()
 @property (nonatomic) CGRect boxFrame;
 @property (nonatomic) int pageIndex;
 
+@property (nonatomic) UIInterfaceOrientation lastInterfaceOrientation;
+
 - (void)didTapLeftArrowButton:(UIButton *)sender;
 - (void)didTapRightArrowButton:(UIButton *)sender;
 
@@ -71,6 +73,7 @@ - (void)presentPopoverFromRect:(CGRect)rect inView:(UIView *)view withStrings:(N
     // listen on device rotation
     [[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];
     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onDeviceRotation:) name:UIDeviceOrientationDidChangeNotification object:nil];
+    _lastInterfaceOrientation = [UIApplication sharedApplication].statusBarOrientation;
 
     UIView *buttonContainer = [[UIView alloc] initWithFrame:CGRectZero];
     buttonContainer.backgroundColor = [UIColor clearColor];
@@ -454,6 +457,8 @@ - (void)didTapLeftArrowButton:(UIButton *)sender {
     [UIView animateWithDuration:0.25 animations:^{
         self.contentView.frame = contentFrame;
     }];
+    
+    [self setNeedsDisplay];
 }
 
 - (void)didTapRightArrowButton:(UIButton *)sender {
@@ -477,6 +482,8 @@ - (void)didTapRightArrowButton:(UIButton *)sender {
     [UIView animateWithDuration:0.25 animations:^{
         self.contentView.frame = contentFrame;
     }];
+    
+    [self setNeedsDisplay];
 }
 
 - (UIButton *)getControlButton:(BOOL)rightArrow {
@@ -511,7 +518,14 @@ - (void)resetBackgroundColor:(UIButton *)sender {
 
 #pragma mark - rotation
 - (void)onDeviceRotation:(NSNotification *)noti {
-    NSLog(@"device rotation detected");
+    UIInterfaceOrientation orientation = [UIApplication sharedApplication].statusBarOrientation;
+    
+    if (_lastInterfaceOrientation == orientation ||
+        (UIInterfaceOrientationIsPortrait(_lastInterfaceOrientation) &&
+         UIInterfaceOrientationIsPortrait(orientation))) {
+            return;
+    }
+    
     [self dismiss:NO];
 }