UIPickerView

最新推荐文章于 2020-07-17 07:12:21 发布

转载最新推荐文章于 2020-07-17 07:12:21 发布 · 509 阅读

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#initialization #uiview #interface

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pockerview 的一些设置

#import <UIKit/UIKit.h>


@interface MyPicker : UIPickerView {

}

@end

#import "MyPicker.h"


@implementation MyPicker


- (id)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        // Initialization code
		
    }
    return self;
}


- (void)drawRect:(CGRect)rect {
	UIImageView *img = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 320, 234)];
	img.image = [UIImage imageNamed:@"picker_small.png"];
	[self addSubview:img];
	[img release];
	
	//4-选择区域的背景颜色; 0-大背景的颜色; 1-选择框左边的颜色; 2-? ;3-?; 5-滚动区域的颜色 回覆盖数据
	//6-选择框的背景颜色 7-选择框左边的颜色 8-整个View的颜色 会覆盖所有的图片
	UIView *v = [[self subviews] objectAtIndex:6];
	[v setBackgroundColor:[UIColor clearColor]];
	UIImageView *bgimg = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"picker_tiao.png"]];
	bgimg.frame = CGRectMake(-5, -3, 200, 55);
	[v addSubview:bgimg];
	[bgimg release];
	
	[self setNeedsDisplay];
	
}


- (void)dealloc {
    [super dealloc];
}


@end