自定义折线图，动画遮罩图层效果

项目介绍：

自定义折线图，动画遮罩图层效果，根据传入的值自动匹配坐标，点击按钮会显示数值。

集成代码：
[Objective-C] 查看源文件 复制代码

    lineView = [[ChartLineInfoView alloc]initWithFrame:CGRectMake(0, 100, self.view.bounds.size.width, 200)];
    lineView.backgroundColor = [UIColor clearColor];
    lineView.leftDataArr =  @[@"0.2",@"0.4",@"0.5",@"0.2",@"0.7",@"0.5"];
    lineView.rightDataArr = @[@"0.2",@"0.4",@"0.5",@"0.2",@"0.7",@"0.5"];
    
    [self.view addSubview:lineView];

DEMO 直接下载：