问rightView UITextField的位置

EN

@interface CustomTextField: UITextField

@end

@implementation CustomTextField

// override rightViewRectForBounds method:
- (CGRect)rightViewRectForBounds:(CGRect)bounds{
    CGRect rightBounds = CGRectMake(bounds.origin.x + 10, 0, 30, 44);
    return rightBounds ;
}

// this is the view I want to see on the rightView
let checkImageView = UIImageView(image: UIImage(named: "check24.png"))
checkImageView.frame = CGRect(x: 0, y: 0, width: 24, height: 24)
checkImageView.curveEdges(12)
checkImageView.contentMode = .scaleAspectFit

// declare how much padding I want to have
let padding: CGFloat = 6

// create the view that would act as the padding
let rightView = UIView(frame: CGRect(
    x: 0, y: 0, // keep this as 0, 0
    width: checkImageView.frame.width + padding, // add the padding
    height: checkImageView.frame.height)) 
rightView.addSubview(checkImageView)

// set the rightView UIView as the textField's rightView
self.textField.rightViewMode = .whileEditing
self.textField.rightView = rightView

let imageview = UIImageView(image: UIImage(named: "image name"))
imageview.contentMode = .center

let rightPadding: CGFloat = 14 //--- change right padding 
imageview.frame = CGRect(x: 0, y: 0, width: imageview.frame.size.width + rightPadding , height:imageview.frame.size.height)

textField.rightViewMode = .always
textFieldd.rightView = imageview