iOS: 设置ui background image

set uiview image background: (下面代码是pattern file，即重复image来

    self.view.backgroundColor = [UIColorcolorWithPatternImage:[UIImageimageNamed:@"title.png"]];

set uitableviewcell image background:

    UIImageView *bgView = [[UIImageViewalloc]initWithImage:[UIImageimageNamed:@"title_dept_date.png"]];

    bgView.alpha = 0.6;

    cell.backgroundView = bgView;

other ref links

http://stackoverflow.com/questions/5856373/uiimageview-background-image-and-rotation-help

http://stackoverflow.com/questions/8127189/how-to-stretch-scale-image-on-a-uiview

http://stackoverflow.com/questions/9521443/uiimageview-fill-in-uiview