self.imageView.layer.borderColor = [UIColor colorWithRed:0.9 green:0.9 blue:0.9 alpha:1].CGColor; self.imageView.layer.borderWidth = 1; self.imageView.layer.cornerRadius = 3.0; self.imageView.layer.masksToBounds = YES; self.imageView.layer.shouldRasterize = YES; self.imageView.layer.rasterizationScale = [UIScreen mainScreen].scale; self.imageViewBG.layer.shadowOffset = CGSizeMake(1, 1); self.imageViewBG.layer.shadowRadius = 1; self.imageViewBG.layer.shadowOpacity = 0.1; self.imageViewBG.layer.cornerRadius = 3.0; self.imageViewBG.layer.masksToBounds = NO; self.imageViewBG.layer.shouldRasterize = YES; self.imageViewBG.layer.rasterizationScale = [UIScreen mainScreen].scale; UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:self.imageViewBG.bounds cornerRadius:3.0]; self.imageViewBG.layer.shadowPath = path.CGPath;
Monday, June 8, 2015
[iOS] Making fancy view with border, corner and shadow
Wednesday, April 8, 2015
[iOS] How to get top most view controller?
+ (UIViewController *)topViewController { return [self topViewController:[UIApplication sharedApplication].keyWindow.rootViewController]; } + (UIViewController *)topViewController:(UIViewController *)rootViewController { if (rootViewController.presentedViewController == nil) { return rootViewController; } if ([rootViewController.presentedViewController isKindOfClass:[UINavigationController class]]) { UINavigationController *navigationController = (UINavigationController *)rootViewController.presentedViewController; UIViewController *lastViewController = [[navigationController viewControllers] lastObject]; return [self topViewController:lastViewController]; } UIViewController *presentedViewController = (UIViewController *)rootViewController.presentedViewController; return [self topViewController:presentedViewController]; } + (UINavigationController *)navigationController { UIViewController *topViewController = [self topViewController]; UINavigationController *navigationController = nil; if ([topViewController isKindOfClass:[UINavigationController class]]) { navigationController = (UINavigationController *)topViewController; }else { navigationController = topViewController.navigationController; } return navigationController; }
[iOS] How to open a native app or Appstore from Safari or UIWebView
1. Promoting App Banner:
2. Take user to Appstore from Safari link:
Thursday, March 5, 2015
[iOS] Draw Dashed Border Around View
+ (void)drawDashedBorderAroundView:(UIView *)v cornerRadius:(CGFloat)cornerRadius borderWidth:(CGFloat)borderWidth dashPattern1:(NSInteger)dashPattern1 dashPattern2:(NSInteger)dashPattern2 lineColor:(UIColor*)lineColor { //border definitions // CGFloat cornerRadius = 10; // CGFloat borderWidth = 2; // NSInteger dashPattern1 = 4; // NSInteger dashPattern2 = 8; // UIColor *lineColor = [UIColor grayColor]; CGRect newR = v.frame; newR.origin.x += borderWidth/2; newR.origin.y += borderWidth/2; newR.size.width -= borderWidth; newR.size.height -= borderWidth; v.frame = newR; //drawing CGRect frame = v.bounds; CAShapeLayer *_shapeLayer = [CAShapeLayer layer]; //creating a path CGMutablePathRef path = CGPathCreateMutable(); //drawing a border around a view CGPathMoveToPoint(path, NULL, 0, frame.size.height - cornerRadius); CGPathAddLineToPoint(path, NULL, 0, cornerRadius); CGPathAddArc(path, NULL, cornerRadius, cornerRadius, cornerRadius, M_PI, -M_PI_2, NO); CGPathAddLineToPoint(path, NULL, frame.size.width - cornerRadius, 0); CGPathAddArc(path, NULL, frame.size.width - cornerRadius, cornerRadius, cornerRadius, -M_PI_2, 0, NO); CGPathAddLineToPoint(path, NULL, frame.size.width, frame.size.height - cornerRadius); CGPathAddArc(path, NULL, frame.size.width - cornerRadius, frame.size.height - cornerRadius, cornerRadius, 0, M_PI_2, NO); CGPathAddLineToPoint(path, NULL, cornerRadius, frame.size.height); CGPathAddArc(path, NULL, cornerRadius, frame.size.height - cornerRadius, cornerRadius, M_PI_2, M_PI, NO); //path is set as the _shapeLayer object's path _shapeLayer.path = path; CGPathRelease(path); _shapeLayer.backgroundColor = [[UIColor clearColor] CGColor]; _shapeLayer.frame = frame; _shapeLayer.masksToBounds = NO; [_shapeLayer setValue:[NSNumber numberWithBool:NO] forKey:@"isCircle"]; _shapeLayer.fillColor = [[UIColor clearColor] CGColor]; _shapeLayer.strokeColor = [lineColor CGColor]; _shapeLayer.lineWidth = borderWidth; _shapeLayer.lineDashPattern = @[@(dashPattern1), @(dashPattern2)]; _shapeLayer.lineCap = kCALineCapRound; //_shapeLayer is added as a sublayer of the view, the border is visible [v.layer addSublayer:_shapeLayer]; v.layer.cornerRadius = cornerRadius; }
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