一个长按显示外部进度条的视图

self.drawCirleButton = [[DDTouchCircleButton alloc] initWithFrame:CGRectMake(105, 180, 110, 110)]; self.drawCirleButton.duration = 0.75; self.drawCirleButton.backgroundColor = [UIColor whiteColor]; self.drawCirleButton.trackTintColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.24]; self.drawCirleButton.progressTintColor = [UIColor colorWithRed:247/255.0f green:95/255.0f blue:50/255.0f alpha:1.0]; self.drawCirleButton.lineWidth = 6.0; self.drawCirleButton.image = [UIImage imageNamed:@"run_stop_icon@2x"];

[self.view addSubview:self.drawCirleButton];

[self.drawCirleButton addTarget:self action:@selector(ddStrokeAnimationDidFinished) forControlEvents:UIControlEventTouchUpInside];

• (void)ddStrokeAnimationDidFinished{ //事件 }