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【ObjC】毛玻璃效果

作者:茶壶 / 发布于2015/6/29/ 2151


	#import "ViewController.h"
	#import "ILTranslucentView.h"
	#import <QuartzCore/QuartzCore.h>
	#import <CoreGraphics/CoreGraphics.h>
	
	@interface ViewController ()
	
	@end
	
	@implementation ViewController
	
	- (void)viewDidLoad {
	 [super viewDidLoad];
	 // Do any additional setup after loading the view, typically from a nib.
	 [scrollView setContentSize:CGSizeMake(self.view.frame.size.width, self.view.frame.size.height*2)];
	// [self initWithILTranslucentView];
	 [self initWithVisualEffectView];
	}
	
	- (void)didReceiveMemoryWarning {
	 [super didReceiveMemoryWarning];
	 // Dispose of any resources that can be recreated.
	}
	
	- (void)initWithILTranslucentView
	{
	 ILTranslucentView *translucentView = [[ILTranslucentView alloc] initWithFrame:CGRectMake(0.0, (self.view.frame.size.height - 100.0)/2, 320, 100.0)];
	 translucentView.translucentAlpha = 1.0;
	 translucentView.translucentStyle = UIBarStyleDefault;
	 translucentView.translucentTintColor = [UIColor clearColor];
	 translucentView.backgroundColor = [UIColor clearColor];
	
	 [self.view addSubview:translucentView];
	}
	
	- (void)initWithVisualEffectView
	{
	 UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0.0, 30.0, self.view.frame.size.width, 200.0)];
	// [view setBackgroundColor:[UIColor whiteColor]];
	// [view.layer setShadowOffset:CGSizeMake(-2.0, -2.0)];
	// [view.layer setShadowPath:[[UIBezierPath bezierPathWithRect:CGRectMake(0.0, 0.0, view.bounds.size.width + 4.0, view.bounds.size.height + 4.0)] CGPath]];
	// [view.layer setShadowColor:[[UIColor colorWithRed:255.0/255.0 green:255.0/255.0 blue:255.0/255.0 alpha:0.5] CGColor]];
	// [view.layer setShadowOpacity:0.5];
	 [self.view addSubview:view];
	
	 UIVisualEffect *blurEffect;
	 blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleExtraLight];
	 UIVisualEffectView *visualEffectView;
	 visualEffectView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
	
	 [visualEffectView setFrame:view.bounds];
	 [view addSubview:visualEffectView];
	}
	
	@end

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