自訂的進度條，自訂進度條

自訂的進度條，自訂進度條

/** 初始化一個progress， aFrame                    外層的大小 aFrameColor         外層的顏色 aBarColor               裡層的顏色 gapSize                   裡層和外層的間隙 **/- (id)initWithFrame:(CGRect)aFrame frameColor:(UIColor *)aFrameColor barColor:(UIColor *)aBarColor aFrameCornerRadius:(CGFloat)aFrameCornerRadius aFrameBorderColor:(CGColorRef)aFrameBorderColor gapSize:(CGFloat)gapSize{    self = [super initWithFrame:aFrame];    if (self) {        self.backgroundColor = [UIColor clearColor];        _gap = gapSize;                _outter = [[UILabel alloc]init];        _outter.frame = self.bounds;        _outter.backgroundColor = aFrameColor;        _outter.layer.borderWidth = 1;        _outter.layer.borderColor = aFrameBorderColor;        [self addSubview:_outter];                _inner = [[UILabel alloc]init];        _inner.frame = CGRectZero;        _inner.backgroundColor = aBarColor;        [self addSubview:_inner];                _inner.layer.cornerRadius = aFrameCornerRadius - gapSize;        _inner.layer.masksToBounds = YES;        _outter.layer.cornerRadius = aFrameCornerRadius;        _outter.layer.masksToBounds = YES;    }    return self;}- (void)setProgress:(float)progress{    progress = progress<0?0:progress;    progress = progress>1?1:progress;    _inner.frame = CGRectMake(_gap, _gap, progress*(self.frame.size.width - _gap*2.0), self.frame.size.height - _gap *2.0);}- (void)dealloc{    [_inner removeFromSuperview];    [_outter removeFromSuperview];}