求助3个功能的实现（求越狱开发高手帮忙）

2.截图在非越狱机上也可以实现，#pragma  - Utility Methods -
- (UIImage *)capture
{
    UIGraphicsBeginImageContextWithOptions(CGSizeMake([CYInfo uiWidth], [CYInfo uiHeight]), self.view.opaque, [CYInfo screenScale]);
    [KEY_WINDOW.layer renderInContext:UIGraphicsGetCurrentContext()];

    UIImage * img = UIGraphicsGetImageFromCurrentImageContext();

    UIGraphicsEndImageContext();

    return img;
}