A simple annulus progress widget.
一个简单的环形进度组件。
用UIBezierPath + CAShaperLayer绘制
FLCircleProgressView *circleProgressView = [[FLCircleProgressView alloc] init];
circleProgressView.frame = CGRectMake(CGRectGetWidth(self.view.frame) * 0.5 - 100.0, CGRectGetHeight(self.view.frame) * 0.5 - 100.0, 200.0, 200.0);
//设置背景颜色
circleProgressView.backgroundColor = [UIColor whiteColor];
//设置进度条颜色
circleProgressView.progressColor = [UIColor orangeColor];
//设置字体大小
circleProgressView.contentTextFont = [UIFont systemFontOfSize:18.0];
//设置文字
circleProgressView.contentText = @"-----------80.00℃-----------";
//设置进度[0, 1]
circleProgressView.progress = 0.8;
[self.view addSubview:circleProgressView];//可直接赋值，有动画效果
self.circleProgressView.progress = 0.5;
self.circleProgressView.contentText = @"Test";