uitextfield transparent view

uitextfield-transparent-view.m

@interface UIClickView : UIView
@property (nonatomic,assign)UITextField* edit;
@end
@implementation UIClickView
- (UIView*)hitTest:(CGPoint)point withEvent:(UIEvent *)event {
    CGPoint p = [self convertPoint:point toView:self.edit];
    if (p.x>0 && p.y>0) {
        return nil;
    }
    return [super hitTest:point withEvent:event];
}
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{
    UITouch *touch = [touches anyObject];
    CGPoint p = [touch locationInView:self.edit];
    if (p.x <0 || p.y<0) {
        [self.edit resignFirstResponder];
    }
}
@end