Write a label on image

UIImageView *imagePinViewA = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"PIN_green"]];

UILabel *pinLabelA = [[UILabel alloc] initWithFrame:CGRectMake(8.6, 9, 26, 26)];

pinLabelA.backgroundColor = [UIColor clearColor];

pinLabelA.textColor = [UIColor blackColor];

pinLabelA.text = @"TEXT";

[imagePinViewA addSubview:pinLabelA];

UIGraphicsBeginImageContext(imagePinViewA.bounds.size);

[imagePinViewA.layer renderInContext:UIGraphicsGetCurrentContext()];

UIImage *finalImagePinA = UIGraphicsGetImageFromCurrentImageContext();

UIGraphicsEndImageContext();