IOSButton自定义

+ (APCCustomBackButton *)customBackButtonWithTarget:(id)aTarget action:(SEL)anAction tintColor:(UIColor *)aTintColor

{

APCCustomBackButton  *button = [APCCustomBackButton buttonWithType:UIButtonTypeCustom];

CGRect  frame = CGRectMake(0.0, 0.0, kButtonWidth, kButtonHeight);

button.frame = frame;

[button addTarget:aTarget action:anAction forControlEvents:UIControlEventTouchUpInside];

CGMutablePathRef  path = CGPathCreateMutable();

CGPoint  p0 = CGPointMake(13.0, 12.0);

CGPathMoveToPoint(path, NULL, p0.x, p0.y);

CGPoint  p1 = CGPointMake(2.0, 22.0);

CGPathAddLineToPoint(path, NULL, p1.x, p1.y);

CGPoint  p2 = CGPointMake(13.0, 32.0);

CGPathAddLineToPoint(path, NULL, p2.x, p2.y);

CALayer  *layer = button.layer;

CAShapeLayer  *shaper = [[CAShapeLayer alloc] init];

shaper.frame = CGRectMake(0.0, 0.0, kLayerWidth, kLayerHeight);

shaper.bounds = CGRectMake(0.0, 0.0, kLayerWidth, kLayerHeight);

shaper.path = path;

shaper.lineWidth = kArrowLineWeight;

shaper.fillColor = [[UIColor clearColor] CGColor];

shaper.contentsScale = [[UIScreen mainScreen] scale];

shaper.strokeColor = aTintColor.CGColor;

[layer addSublayer:shaper];

CGPathRelease(path);

return  button;

}