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QXLive/Third/SVProgressHUD/SVIndefiniteAnimatedView.h

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+//
+//  SVIndefiniteAnimatedView.h
+//  SVProgressHUD, https://github.com/SVProgressHUD/SVProgressHUD
+//
+//  Copyright (c) 2014-2018 Guillaume Campagna. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface SVIndefiniteAnimatedView : UIView
+
+@property (nonatomic, assign) CGFloat strokeThickness;
+@property (nonatomic, assign) CGFloat radius;
+@property (nonatomic, strong) UIColor *strokeColor;
+
+@end
+

QXLive/Third/SVProgressHUD/SVIndefiniteAnimatedView.m

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+//
+//  SVIndefiniteAnimatedView.m
+//  SVProgressHUD, https://github.com/SVProgressHUD/SVProgressHUD
+//
+//  Copyright (c) 2014-2018 Guillaume Campagna. All rights reserved.
+//
+
+#import "SVIndefiniteAnimatedView.h"
+#import "SVProgressHUD.h"
+
+@interface SVIndefiniteAnimatedView ()
+
+@property (nonatomic, strong) CAShapeLayer *indefiniteAnimatedLayer;
+
+@end
+
+@implementation SVIndefiniteAnimatedView
+
+- (void)willMoveToSuperview:(UIView*)newSuperview {
+    if (newSuperview) {
+        [self layoutAnimatedLayer];
+    } else {
+        [_indefiniteAnimatedLayer removeFromSuperlayer];
+        _indefiniteAnimatedLayer = nil;
+    }
+}
+
+- (void)layoutAnimatedLayer {
+    CALayer *layer = self.indefiniteAnimatedLayer;
+    [self.layer addSublayer:layer];
+    
+    CGFloat widthDiff = CGRectGetWidth(self.bounds) - CGRectGetWidth(layer.bounds);
+    CGFloat heightDiff = CGRectGetHeight(self.bounds) - CGRectGetHeight(layer.bounds);
+    layer.position = CGPointMake(CGRectGetWidth(self.bounds) - CGRectGetWidth(layer.bounds) / 2 - widthDiff / 2, CGRectGetHeight(self.bounds) - CGRectGetHeight(layer.bounds) / 2 - heightDiff / 2);
+}
+
+- (CAShapeLayer*)indefiniteAnimatedLayer {
+    if(!_indefiniteAnimatedLayer) {
+        CGPoint arcCenter = CGPointMake(self.radius+self.strokeThickness/2+5, self.radius+self.strokeThickness/2+5);
+        UIBezierPath* smoothedPath = [UIBezierPath bezierPathWithArcCenter:arcCenter radius:self.radius startAngle:(CGFloat) (M_PI*3/2) endAngle:(CGFloat) (M_PI/2+M_PI*5) clockwise:YES];
+        
+        _indefiniteAnimatedLayer = [CAShapeLayer layer];
+        _indefiniteAnimatedLayer.contentsScale = [[UIScreen mainScreen] scale];
+        _indefiniteAnimatedLayer.frame = CGRectMake(0.0f, 0.0f, arcCenter.x*2, arcCenter.y*2);
+        _indefiniteAnimatedLayer.fillColor = [UIColor clearColor].CGColor;
+        _indefiniteAnimatedLayer.strokeColor = self.strokeColor.CGColor;
+        _indefiniteAnimatedLayer.lineWidth = self.strokeThickness;
+        _indefiniteAnimatedLayer.lineCap = kCALineCapRound;
+        _indefiniteAnimatedLayer.lineJoin = kCALineJoinBevel;
+        _indefiniteAnimatedLayer.path = smoothedPath.CGPath;
+        
+        CALayer *maskLayer = [CALayer layer];
+        
+        NSBundle *bundle = [NSBundle bundleForClass:[SVProgressHUD class]];
+        NSURL *url = [bundle URLForResource:@"SVProgressHUD" withExtension:@"bundle"];
+        NSBundle *imageBundle = [NSBundle bundleWithURL:url];
+        
+        NSString *path = [imageBundle pathForResource:@"angle-mask" ofType:@"png"];
+        
+        maskLayer.contents = (__bridge id)[[UIImage imageWithContentsOfFile:path] CGImage];
+        maskLayer.frame = _indefiniteAnimatedLayer.bounds;
+        _indefiniteAnimatedLayer.mask = maskLayer;
+        
+        NSTimeInterval animationDuration = 1;
+        CAMediaTimingFunction *linearCurve = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
+        
+        CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.rotation"];
+        animation.fromValue = (id) 0;
+        animation.toValue = @(M_PI*2);
+        animation.duration = animationDuration;
+        animation.timingFunction = linearCurve;
+        animation.removedOnCompletion = NO;
+        animation.repeatCount = INFINITY;
+        animation.fillMode = kCAFillModeForwards;
+        animation.autoreverses = NO;
+        [_indefiniteAnimatedLayer.mask addAnimation:animation forKey:@"rotate"];
+        
+        CAAnimationGroup *animationGroup = [CAAnimationGroup animation];
+        animationGroup.duration = animationDuration;
+        animationGroup.repeatCount = INFINITY;
+        animationGroup.removedOnCompletion = NO;
+        animationGroup.timingFunction = linearCurve;
+        
+        CABasicAnimation *strokeStartAnimation = [CABasicAnimation animationWithKeyPath:@"strokeStart"];
+        strokeStartAnimation.fromValue = @0.015;
+        strokeStartAnimation.toValue = @0.515;
+        
+        CABasicAnimation *strokeEndAnimation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
+        strokeEndAnimation.fromValue = @0.485;
+        strokeEndAnimation.toValue = @0.985;
+        
+        animationGroup.animations = @[strokeStartAnimation, strokeEndAnimation];
+        [_indefiniteAnimatedLayer addAnimation:animationGroup forKey:@"progress"];
+        
+    }
+    return _indefiniteAnimatedLayer;
+}
+
+- (void)setFrame:(CGRect)frame {
+    if(!CGRectEqualToRect(frame, super.frame)) {
+        [super setFrame:frame];
+        
+        if(self.superview) {
+            [self layoutAnimatedLayer];
+        }
+    }
+    
+}
+
+- (void)setRadius:(CGFloat)radius {
+    if(radius != _radius) {
+        _radius = radius;
+        
+        [_indefiniteAnimatedLayer removeFromSuperlayer];
+        _indefiniteAnimatedLayer = nil;
+        
+        if(self.superview) {
+            [self layoutAnimatedLayer];
+        }
+    }
+}
+
+- (void)setStrokeColor:(UIColor*)strokeColor {
+    _strokeColor = strokeColor;
+    _indefiniteAnimatedLayer.strokeColor = strokeColor.CGColor;
+}
+
+- (void)setStrokeThickness:(CGFloat)strokeThickness {
+    _strokeThickness = strokeThickness;
+    _indefiniteAnimatedLayer.lineWidth = _strokeThickness;
+}
+
+- (CGSize)sizeThatFits:(CGSize)size {
+    return CGSizeMake((self.radius+self.strokeThickness/2+5)*2, (self.radius+self.strokeThickness/2+5)*2);
+}
+
+@end

QXLive/Third/SVProgressHUD/SVProgressAnimatedView.h

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+//
+//  SVProgressAnimatedView.h
+//  SVProgressHUD, https://github.com/SVProgressHUD/SVProgressHUD
+//
+//  Copyright (c) 2017-2018 Tobias Tiemerding. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface SVProgressAnimatedView : UIView
+
+@property (nonatomic, assign) CGFloat radius;
+@property (nonatomic, assign) CGFloat strokeThickness;
+@property (nonatomic, strong) UIColor *strokeColor;
+@property (nonatomic, assign) CGFloat strokeEnd;
+
+@end

QXLive/Third/SVProgressHUD/SVProgressAnimatedView.m

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+//
+//  SVProgressAnimatedView.m
+//  SVProgressHUD, https://github.com/SVProgressHUD/SVProgressHUD
+//
+//  Copyright (c) 2017-2018 Tobias Tiemerding. All rights reserved.
+//
+
+#import "SVProgressAnimatedView.h"
+
+@interface SVProgressAnimatedView ()
+
+@property (nonatomic, strong) CAShapeLayer *ringAnimatedLayer;
+
+@end
+
+@implementation SVProgressAnimatedView
+
+- (void)willMoveToSuperview:(UIView*)newSuperview {
+    if (newSuperview) {
+        [self layoutAnimatedLayer];
+    } else {
+        [_ringAnimatedLayer removeFromSuperlayer];
+        _ringAnimatedLayer = nil;
+    }
+}
+
+- (void)layoutAnimatedLayer {
+    CALayer *layer = self.ringAnimatedLayer;
+    [self.layer addSublayer:layer];
+    
+    CGFloat widthDiff = CGRectGetWidth(self.bounds) - CGRectGetWidth(layer.bounds);
+    CGFloat heightDiff = CGRectGetHeight(self.bounds) - CGRectGetHeight(layer.bounds);
+    layer.position = CGPointMake(CGRectGetWidth(self.bounds) - CGRectGetWidth(layer.bounds) / 2 - widthDiff / 2, CGRectGetHeight(self.bounds) - CGRectGetHeight(layer.bounds) / 2 - heightDiff / 2);
+}
+
+- (CAShapeLayer*)ringAnimatedLayer {
+    if(!_ringAnimatedLayer) {
+        CGPoint arcCenter = CGPointMake(self.radius+self.strokeThickness/2+5, self.radius+self.strokeThickness/2+5);
+        UIBezierPath* smoothedPath = [UIBezierPath bezierPathWithArcCenter:arcCenter radius:self.radius startAngle:(CGFloat)-M_PI_2 endAngle:(CGFloat) (M_PI + M_PI_2) clockwise:YES];
+        
+        _ringAnimatedLayer = [CAShapeLayer layer];
+        _ringAnimatedLayer.contentsScale = [[UIScreen mainScreen] scale];
+        _ringAnimatedLayer.frame = CGRectMake(0.0f, 0.0f, arcCenter.x*2, arcCenter.y*2);
+        _ringAnimatedLayer.fillColor = [UIColor clearColor].CGColor;
+        _ringAnimatedLayer.strokeColor = self.strokeColor.CGColor;
+        _ringAnimatedLayer.lineWidth = self.strokeThickness;
+        _ringAnimatedLayer.lineCap = kCALineCapRound;
+        _ringAnimatedLayer.lineJoin = kCALineJoinBevel;
+        _ringAnimatedLayer.path = smoothedPath.CGPath;
+    }
+    return _ringAnimatedLayer;
+}
+
+- (void)setFrame:(CGRect)frame {
+    if(!CGRectEqualToRect(frame, super.frame)) {
+        [super setFrame:frame];
+        
+        if(self.superview) {
+            [self layoutAnimatedLayer];
+        }
+    }
+}
+
+- (void)setRadius:(CGFloat)radius {
+    if(radius != _radius) {
+        _radius = radius;
+        
+        [_ringAnimatedLayer removeFromSuperlayer];
+        _ringAnimatedLayer = nil;
+        
+        if(self.superview) {
+            [self layoutAnimatedLayer];
+        }
+    }
+}
+
+- (void)setStrokeColor:(UIColor*)strokeColor {
+    _strokeColor = strokeColor;
+    _ringAnimatedLayer.strokeColor = strokeColor.CGColor;
+}
+
+- (void)setStrokeThickness:(CGFloat)strokeThickness {
+    _strokeThickness = strokeThickness;
+    _ringAnimatedLayer.lineWidth = _strokeThickness;
+}
+
+- (void)setStrokeEnd:(CGFloat)strokeEnd {
+    _strokeEnd = strokeEnd;
+    _ringAnimatedLayer.strokeEnd = _strokeEnd;
+}
+
+- (CGSize)sizeThatFits:(CGSize)size {
+    return CGSizeMake((self.radius+self.strokeThickness/2+5)*2, (self.radius+self.strokeThickness/2+5)*2);
+}
+
+@end

QXLive/Third/SVProgressHUD/SVProgressHUD.h

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+//
+//  SVProgressHUD.h
+//  SVProgressHUD, https://github.com/SVProgressHUD/SVProgressHUD
+//
+//  Copyright (c) 2011-2018 Sam Vermette and contributors. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+#import <AvailabilityMacros.h>
+
+extern NSString * _Nonnull const SVProgressHUDDidReceiveTouchEventNotification;
+extern NSString * _Nonnull const SVProgressHUDDidTouchDownInsideNotification;
+extern NSString * _Nonnull const SVProgressHUDWillDisappearNotification;
+extern NSString * _Nonnull const SVProgressHUDDidDisappearNotification;
+extern NSString * _Nonnull const SVProgressHUDWillAppearNotification;
+extern NSString * _Nonnull const SVProgressHUDDidAppearNotification;
+
+extern NSString * _Nonnull const SVProgressHUDStatusUserInfoKey;
+
+typedef NS_ENUM(NSInteger, SVProgressHUDStyle) {
+    SVProgressHUDStyleLight,        // default style, white HUD with black text, HUD background will be blurred
+    SVProgressHUDStyleDark,         // black HUD and white text, HUD background will be blurred
+    SVProgressHUDStyleCustom        // uses the fore- and background color properties
+};
+
+typedef NS_ENUM(NSUInteger, SVProgressHUDMaskType) {
+    SVProgressHUDMaskTypeNone = 1,  // default mask type, allow user interactions while HUD is displayed
+    SVProgressHUDMaskTypeClear,     // don't allow user interactions with background objects
+    SVProgressHUDMaskTypeBlack,     // don't allow user interactions with background objects and dim the UI in the back of the HUD (as seen in iOS 7 and above)
+    SVProgressHUDMaskTypeGradient,  // don't allow user interactions with background objects and dim the UI with a a-la UIAlertView background gradient (as seen in iOS 6)
+    SVProgressHUDMaskTypeCustom     // don't allow user interactions with background objects and dim the UI in the back of the HUD with a custom color
+};
+
+typedef NS_ENUM(NSUInteger, SVProgressHUDAnimationType) {
+    SVProgressHUDAnimationTypeFlat,     // default animation type, custom flat animation (indefinite animated ring)
+    SVProgressHUDAnimationTypeNative    // iOS native UIActivityIndicatorView
+};
+
+typedef void (^SVProgressHUDShowCompletion)(void);
+typedef void (^SVProgressHUDDismissCompletion)(void);
+
+@interface SVProgressHUD : UIView
+
+#pragma mark - Customization
+
+@property (assign, nonatomic) SVProgressHUDStyle defaultStyle UI_APPEARANCE_SELECTOR;                   // default is SVProgressHUDStyleLight
+@property (assign, nonatomic) SVProgressHUDMaskType defaultMaskType UI_APPEARANCE_SELECTOR;             // default is SVProgressHUDMaskTypeNone
+@property (assign, nonatomic) SVProgressHUDAnimationType defaultAnimationType UI_APPEARANCE_SELECTOR;   // default is SVProgressHUDAnimationTypeFlat
+@property (strong, nonatomic, nullable) UIView *containerView;                              // if nil then use default window level
+@property (assign, nonatomic) CGSize minimumSize UI_APPEARANCE_SELECTOR;                    // default is CGSizeZero, can be used to avoid resizing for a larger message
+@property (assign, nonatomic) CGFloat ringThickness UI_APPEARANCE_SELECTOR;                 // default is 2 pt
+@property (assign, nonatomic) CGFloat ringRadius UI_APPEARANCE_SELECTOR;                    // default is 18 pt
+@property (assign, nonatomic) CGFloat ringNoTextRadius UI_APPEARANCE_SELECTOR;              // default is 24 pt
+@property (assign, nonatomic) CGFloat cornerRadius UI_APPEARANCE_SELECTOR;                  // default is 14 pt
+@property (strong, nonatomic, nonnull) UIFont *font UI_APPEARANCE_SELECTOR;                 // default is [UIFont preferredFontForTextStyle:UIFontTextStyleSubheadline]
+@property (strong, nonatomic, nonnull) UIColor *backgroundColor UI_APPEARANCE_SELECTOR;     // default is [UIColor whiteColor]
+@property (strong, nonatomic, nonnull) UIColor *foregroundColor UI_APPEARANCE_SELECTOR;     // default is [UIColor blackColor]
+@property (strong, nonatomic, nonnull) UIColor *backgroundLayerColor UI_APPEARANCE_SELECTOR;// default is [UIColor colorWithWhite:0 alpha:0.4]
+@property (assign, nonatomic) CGSize imageViewSize UI_APPEARANCE_SELECTOR;                  // default is 28x28 pt
+@property (assign, nonatomic) BOOL shouldTintImages UI_APPEARANCE_SELECTOR;                 // default is YES
+@property (strong, nonatomic, nonnull) UIImage *infoImage UI_APPEARANCE_SELECTOR;           // default is the bundled info image provided by Freepik
+@property (strong, nonatomic, nonnull) UIImage *successImage UI_APPEARANCE_SELECTOR;        // default is the bundled success image provided by Freepik
+@property (strong, nonatomic, nonnull) UIImage *errorImage UI_APPEARANCE_SELECTOR;          // default is the bundled error image provided by Freepik
+@property (strong, nonatomic, nonnull) UIView *viewForExtension UI_APPEARANCE_SELECTOR;     // default is nil, only used if #define SV_APP_EXTENSIONS is set
+@property (assign, nonatomic) NSTimeInterval graceTimeInterval;                             // default is 0 seconds
+@property (assign, nonatomic) NSTimeInterval minimumDismissTimeInterval;                    // default is 5.0 seconds
+@property (assign, nonatomic) NSTimeInterval maximumDismissTimeInterval;                    // default is CGFLOAT_MAX
+
+@property (assign, nonatomic) UIOffset offsetFromCenter UI_APPEARANCE_SELECTOR; // default is 0, 0
+
+@property (assign, nonatomic) NSTimeInterval fadeInAnimationDuration UI_APPEARANCE_SELECTOR;    // default is 0.15
+@property (assign, nonatomic) NSTimeInterval fadeOutAnimationDuration UI_APPEARANCE_SELECTOR;   // default is 0.15
+
+@property (assign, nonatomic) UIWindowLevel maxSupportedWindowLevel; // default is UIWindowLevelNormal
+
+@property (assign, nonatomic) BOOL hapticsEnabled;	// default is NO
+
++ (void)setDefaultStyle:(SVProgressHUDStyle)style;                  // default is SVProgressHUDStyleLight
++ (void)setDefaultMaskType:(SVProgressHUDMaskType)maskType;         // default is SVProgressHUDMaskTypeNone
++ (void)setDefaultAnimationType:(SVProgressHUDAnimationType)type;   // default is SVProgressHUDAnimationTypeFlat
++ (void)setContainerView:(nullable UIView*)containerView;           // default is window level
++ (void)setMinimumSize:(CGSize)minimumSize;                         // default is CGSizeZero, can be used to avoid resizing for a larger message
++ (void)setRingThickness:(CGFloat)ringThickness;                    // default is 2 pt
++ (void)setRingRadius:(CGFloat)radius;                              // default is 18 pt
++ (void)setRingNoTextRadius:(CGFloat)radius;                        // default is 24 pt
++ (void)setCornerRadius:(CGFloat)cornerRadius;                      // default is 14 pt
++ (void)setBorderColor:(nonnull UIColor*)color;                     // default is nil
++ (void)setBorderWidth:(CGFloat)width;                              // default is 0
++ (void)setFont:(nonnull UIFont*)font;                              // default is [UIFont preferredFontForTextStyle:UIFontTextStyleSubheadline]
++ (void)setForegroundColor:(nonnull UIColor*)color;                 // default is [UIColor blackColor], only used for SVProgressHUDStyleCustom
++ (void)setBackgroundColor:(nonnull UIColor*)color;                 // default is [UIColor whiteColor], only used for SVProgressHUDStyleCustom
++ (void)setBackgroundLayerColor:(nonnull UIColor*)color;            // default is [UIColor colorWithWhite:0 alpha:0.5], only used for SVProgressHUDMaskTypeCustom
++ (void)setImageViewSize:(CGSize)size;                              // default is 28x28 pt
++ (void)setShouldTintImages:(BOOL)shouldTintImages;                 // default is YES
++ (void)setInfoImage:(nonnull UIImage*)image;                       // default is the bundled info image provided by Freepik
++ (void)setSuccessImage:(nonnull UIImage*)image;                    // default is the bundled success image provided by Freepik
++ (void)setErrorImage:(nonnull UIImage*)image;                      // default is the bundled error image provided by Freepik
++ (void)setViewForExtension:(nonnull UIView*)view;                  // default is nil, only used if #define SV_APP_EXTENSIONS is set
++ (void)setGraceTimeInterval:(NSTimeInterval)interval;              // default is 0 seconds
++ (void)setMinimumDismissTimeInterval:(NSTimeInterval)interval;     // default is 5.0 seconds
++ (void)setMaximumDismissTimeInterval:(NSTimeInterval)interval;     // default is infinite
++ (void)setFadeInAnimationDuration:(NSTimeInterval)duration;        // default is 0.15 seconds
++ (void)setFadeOutAnimationDuration:(NSTimeInterval)duration;       // default is 0.15 seconds
++ (void)setMaxSupportedWindowLevel:(UIWindowLevel)windowLevel;      // default is UIWindowLevelNormal
++ (void)setHapticsEnabled:(BOOL)hapticsEnabled;						// default is NO
+
+#pragma mark - Show Methods
+
++ (void)show;
++ (void)showWithMaskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use show and setDefaultMaskType: instead.")));
++ (void)showWithStatus:(nullable NSString*)status;
++ (void)showWithStatus:(nullable NSString*)status maskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use showWithStatus: and setDefaultMaskType: instead.")));
+
++ (void)showProgress:(float)progress;
++ (void)showProgress:(float)progress maskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use showProgress: and setDefaultMaskType: instead.")));
++ (void)showProgress:(float)progress status:(nullable NSString*)status;
++ (void)showProgress:(float)progress status:(nullable NSString*)status maskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use showProgress:status: and setDefaultMaskType: instead.")));
+
++ (void)setStatus:(nullable NSString*)status; // change the HUD loading status while it's showing
+
+// stops the activity indicator, shows a glyph + status, and dismisses the HUD a little bit later
++ (void)showInfoWithStatus:(nullable NSString*)status;
++ (void)showInfoWithStatus:(nullable NSString*)status maskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use showInfoWithStatus: and setDefaultMaskType: instead.")));
++ (void)showSuccessWithStatus:(nullable NSString*)status;
++ (void)showSuccessWithStatus:(nullable NSString*)status maskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use showSuccessWithStatus: and setDefaultMaskType: instead.")));
++ (void)showErrorWithStatus:(nullable NSString*)status;
++ (void)showErrorWithStatus:(nullable NSString*)status maskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use showErrorWithStatus: and setDefaultMaskType: instead.")));
+
+// shows a image + status, use white PNGs with the imageViewSize (default is 28x28 pt)
++ (void)showImage:(nonnull UIImage*)image status:(nullable NSString*)status;
++ (void)showImage:(nonnull UIImage*)image status:(nullable NSString*)status maskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use showImage:status: and setDefaultMaskType: instead.")));
+
++ (void)setOffsetFromCenter:(UIOffset)offset;
++ (void)resetOffsetFromCenter;
+
++ (void)popActivity; // decrease activity count, if activity count == 0 the HUD is dismissed
++ (void)dismiss;
++ (void)dismissWithCompletion:(nullable SVProgressHUDDismissCompletion)completion;
++ (void)dismissWithDelay:(NSTimeInterval)delay;
++ (void)dismissWithDelay:(NSTimeInterval)delay completion:(nullable SVProgressHUDDismissCompletion)completion;
+
++ (BOOL)isVisible;
+
++ (NSTimeInterval)displayDurationForString:(nullable NSString*)string;
+
+@end
+

QXLive/Third/SVProgressHUD/SVRadialGradientLayer.h

@@ -0,0 +1,14 @@
+//
+//  SVRadialGradientLayer.h
+//  SVProgressHUD, https://github.com/SVProgressHUD/SVProgressHUD
+//
+//  Copyright (c) 2014-2018 Tobias Tiemerding. All rights reserved.
+//
+
+#import <QuartzCore/QuartzCore.h>
+
+@interface SVRadialGradientLayer : CALayer
+
+@property (nonatomic) CGPoint gradientCenter;
+
+@end

QXLive/Third/SVProgressHUD/SVRadialGradientLayer.m

@@ -0,0 +1,25 @@
+//
+//  SVRadialGradientLayer.m
+//  SVProgressHUD, https://github.com/SVProgressHUD/SVProgressHUD
+//
+//  Copyright (c) 2014-2018 Tobias Tiemerding. All rights reserved.
+//
+
+#import "SVRadialGradientLayer.h"
+
+@implementation SVRadialGradientLayer
+
+- (void)drawInContext:(CGContextRef)context {
+    size_t locationsCount = 2;
+    CGFloat locations[2] = {0.0f, 1.0f};
+    CGFloat colors[8] = {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.75f};
+    CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
+    CGGradientRef gradient = CGGradientCreateWithColorComponents(colorSpace, colors, locations, locationsCount);
+    CGColorSpaceRelease(colorSpace);
+
+    float radius = MIN(self.bounds.size.width , self.bounds.size.height);
+    CGContextDrawRadialGradient (context, gradient, self.gradientCenter, 0, self.gradientCenter, radius, kCGGradientDrawsAfterEndLocation);
+    CGGradientRelease(gradient);
+}
+
+@end