自定义的ActionSheet,需的拿去
自定义的ActionSheet,需要的拿去
现在流行的一种ActionSheet，功能丰富 ，自定义的ActionSheet，实现非常好看的效果。
源码片段：
NS_INLINE UIBezierPath *trianglePath(CGRect rect, JGActionSheetArrowDirection arrowDirection, BOOL closePath) {
UIBezierPath *path = [UIBezierPath bezierPath];
if (arrowDirection == JGActionSheetArrowDirectionBottom) {
[path moveToPoint:CGPointZero];
[path addLineToPoint:(CGPoint){CGRectGetWidth(rect)/2.0f, CGRectGetHeight(rect)}];
[path addLineToPoint:(CGPoint){CGRectGetWidth(rect), 0.0f}];
}
else if (arrowDirection == JGActionSheetArrowDirectionLeft) {
[path moveToPoint:(CGPoint){CGRectGetWidth(rect), 0.0f}];
[path addLineToPoint:(CGPoint){0.0f, CGRectGetHeight(rect)/2.0f}];
[path addLineToPoint:(CGPoint){CGRectGetWidth(rect), CGRectGetHeight(rect)}];
}
else if (arrowDirection == JGActionSheetArrowDirectionRight) {
[path moveToPoint:CGPointZero];
[path addLineToPoint:(CGPoint){CGRectGetWidth(rect), CGRectGetHeight(rect)/2.0f}];
[path addLineToPoint:(CGPoint){0.0f, CGRectGetHeight(rect)}];
}
else if (arrowDirection == JGActionSheetArrowDirectionTop) {
[path moveToPoint:(CGPoint){0.0f, CGRectGetHeight(rect)}];
[path addLineToPoint:(CGPoint){CGRectGetWidth(rect)/2.0f, 0.0f}];
[path addLineToPoint:(CGPoint){CGRectGetWidth(rect), CGRectGetHeight(rect)}];
}
if (closePath) {
[path closePath];
}
return path;
}static BOOL disableCustomEasing = NO;
@interface JGActionSheetLayer : CAShapeLayer@end@implementation JGActionSheetLayer- (void)addAnimation:(CAAnimation *)anim forKey:(NSString *)key {
if (!disableCustomEasing && [anim isKindOfClass:[CABasicAnimation class]]) {
CAMediaTimingFunction *func = [CAMediaTimingFunction functionWithControlPoints:0.215f: 0.61f: 0.355f: 1.0f];
anim.timingFunction = func;
}
[super addAnimation:anim forKey:key];
}@end@interface JGActionSheetTriangle : UIView- (void)setFrame:(CGRect)frame arrowDirection:(JGActionSheetArrowDirection)direction;
@end@implementation JGActionSheetTriangle- (void)setFrame:(CGRect)frame arrowDirection:(JGActionSheetArrowDirection)direction {
self.frame = frame;
[((CAShapeLayer *)self.layer) setPath:trianglePath(frame, direction, YES).CGPath];
self.layer.shadowPath = trianglePath(frame, direction, NO).CGPath;
BOOL leftOrRight = (direction == JGActionSheetArrowDirectionLeft || direction == JGActionSheetArrowDirectionRight);
CGRect pathRect = (CGRect){CGPointZero, {CGRectGetWidth(frame)+(leftOrRight ? kShadowRadius+1.0f : 2.0f*(kShadowRadius+1.0f)), CGRectGetHeight(frame)+(leftOrRight ? 2.0f*(kShadowRadius+1.0f) : kShadowRadius+1.0f)}};
if (direction == JGActionSheetArrowDirectionTop) {
pathRect.origin.y -= kShadowRadius+1.0f;
}
else if (direction == JGActionSheetArrowDirectionLeft) {
pathRect.origin.x -= kShadowRadius+1.0f;
}
UIBezierPath *path = [UIBezierPath bezierPathWithRect:pathRect];
CAShapeLayer *mask = [CAShapeLayer layer];
mask.path = path.CGPath;
mask.fillColor = [UIColor blackColor].CGColor;
self.layer.mask = mask;
self.layer.shadowColor = [UIColor blackColor].CGColor;
self.layer.shadowOffset = CGSizeZero;
self.layer.shadowRadius = kShadowRadius;
self.layer.shadowOpacity = kShadowOpacity;
self.layer.contentsScale = [UIScreen mainScreen].scale;
((CAShapeLayer *)self.layer).fillColor = [UIColor whiteColor].CGColor;
}+ (Class)layerClass { return [JGActionSheetLayer class];
}源码下载地址：http://www.devstore.cn/code/info/94.html