Source code:
import "MyView.h"
#define TEXT_LABEL_FONT_SIZE 30.0
#define TEXT_FIELD_HEIGHT_MULTIPLIER 2.0
@implementation MyView
- (id)initWithFrame:(CGRect)aRect
{
[super initWithFrame:aRect];
self.backgroundColor = [UIColor whiteColor];
CGRect contentFrame = self.frame;
CGFloat leftMargin = 90.0;
CGFloat textFieldWidth = contentFrame.size.width * 0.72;
CGFloat textFieldOriginX = (contentFrame.size.width - textFieldWidth) / 2.0;
CGRect labelFrame = CGRectMake(textFieldOriginX, leftMargin, textFieldWidth, TEXT_LABEL_FONT_SIZE * TEXT_FIELD_HEIGHT_MULTIPLIER);
UILabel *someText = [[UILabel alloc] initWithFrame:labelFrame];
someText.text = @"Hello World!";
someText.font = [UIFont systemFontOfSize:TEXT_LABEL_FONT_SIZE];
someText.textColor = [UIColor redColor];
someText.textAlignment = UITextAlignmentCenter;
[self addSubview:someText];
[someText release];
return self;
}
