ipad support ,more similar like ios 7 pin pad

PinPadExample/PinPad/PPCircleButton.m

@@ -20,6 +20,10 @@ - (id)initWithFrame:(CGRect)frame
 }
 
 
+-(void) willMoveToSuperview:(UIView *)newSuperview{
+    self.layer.borderColor = [[UIColor whiteColor] colorWithAlphaComponent:0.5].CGColor;
+}
+
 // Only override drawRect: if you perform custom drawing.
 // An empty implementation adversely affects performance during animation.
 
@@ -28,18 +32,22 @@ - (void)drawRect:(CGRect)rect
     // Drawing code
     [super drawRect:rect];
     [self.layer setCornerRadius:CGRectGetHeight(rect)/2.0];
-    self.layer.borderColor = [[UIColor whiteColor] colorWithAlphaComponent:0.5].CGColor;
-    self.layer.borderWidth = 2.0f;
+    self.layer.borderWidth = 1.7f;
+    self.layer.masksToBounds = YES;
 }
 
 - (void)setHighlighted:(BOOL)highlighted {
 
     if(highlighted) {
-        self.layer.borderColor = [self titleColorForState:UIControlStateHighlighted].CGColor;
+        self.backgroundColor = [[UIColor whiteColor] colorWithAlphaComponent:0.5];
+        self.layer.borderColor = [UIColor clearColor].CGColor;
     }
     else {
+        self.backgroundColor = [UIColor clearColor];
         self.layer.borderColor = [[UIColor whiteColor] colorWithAlphaComponent:0.5].CGColor;
     }
 
 }
+
+
 @end

PinPadExample/PinPad/PPPinPadViewController.h

@@ -29,6 +29,8 @@
     __weak IBOutlet UIImageView *backgroundImageView;
     __weak IBOutlet UIButton *resetButton;
     __weak IBOutlet UIButton *cancelButton;
+    __weak IBOutlet UIView *_pinContainer;
+    __weak IBOutlet UIView *_numPadContainer;
     NSMutableString *_inputPin;
     NSMutableArray *_circleViewList;
 }

PinPadExample/PinPad/PPPinPadViewController.m

@@ -11,6 +11,8 @@
 
 
 #define PP_SYSTEM_VERSION_GREATER_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)
+#define PP_IS_IPHONE ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone)
+#define PP_IS_IPHONE_5 (PP_IS_IPHONE && ([[UIScreen mainScreen] bounds].size.height > 480.0))
 
 
 typedef NS_ENUM(NSInteger, settingNewPinState) {
@@ -56,6 +58,18 @@ - (void)viewDidLoad
         self.view.backgroundColor = self.backgroundColor;
     }
 
+    if (!PP_SYSTEM_VERSION_GREATER_THAN(@"6.9")) {
+        CGRect frame = _pinContainer.frame;
+        frame.origin.y += 20;
+        _pinContainer.frame = frame;
+    }
+
+    if (!PP_IS_IPHONE_5) {
+        CGRect frame = _numPadContainer.frame;
+        frame.size.height -= 50;
+        _numPadContainer.frame = frame;
+    }
+
 
 }