一,效果图。
二,代码。
ViewController.h
class="cnblogs_code_copy" style="font-size: 18px">#import <UIKit/UIKit.h>
@interface ViewController : UIViewController
{
UIView *alertView;
}
@end
ViewController.m
#import "ViewController.h"
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
//背景色
self.view.backgroundColor=[UIColor redColor];
//增加背景图
[self addBackGroundView];
}
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
alertView.hidden=NO;
}
#pragma -mark -functions
-(void)addBackGroundView
{
//提示背景
alertView = [[UIView alloc]initWithFrame:CGRectMake(70, 300,220, 90)];
alertView.layer.borderColor = [UIColor lightGrayColor].CGColor;
alertView.layer.borderWidth=0.3;
alertView.layer.cornerRadius = 5;
alertView.layer.masksToBounds = YES;
alertView.backgroundColor = [UIColor whiteColor];
alertView.hidden=YES;
[self.view addSubview:alertView];
//请输入MAC地址
UILabel *titleLabel=[[UILabel alloc]initWithFrame:CGRectMake(0,0, alertView.frame.size.width, 45)];
titleLabel.text=@"请输入MAC地址";
titleLabel.font=[UIFont systemFontOfSize:14];
titleLabel.textAlignment=NSTextAlignmentCenter;
titleLabel.backgroundColor=[UIColor clearColor];
[alertView addSubview:titleLabel];
//线
UIView * separateLine = [[UIView alloc]initWithFrame:CGRectMake(0, titleLabel.frame.size.height+titleLabel.frame.origin.y, alertView.frame.size.width, 0.5)];
separateLine.backgroundColor=[UIColor colorWithRed:218/255.0 green:218/255.0 blue:218/255.0 alpha:1.0];
[alertView addSubview:separateLine];
//知道了
UILabel *clickLabel=[[UILabel alloc]initWithFrame:CGRectMake(0,separateLine.frame.origin.y+separateLine.frame.size.height, alertView.frame.size.width, alertView.frame.size.height-separateLine.frame.size.height-separateLine.frame.origin.y)];
clickLabel.text=@"知道了";
clickLabel.font=[UIFont systemFontOfSize:14];
clickLabel.textAlignment=NSTextAlignmentCenter;
clickLabel.backgroundColor=[UIColor clearColor];
clickLabel.textColor=[UIColor blueColor];
clickLabel.userInteractionEnabled=YES;
[alertView addSubview:clickLabel];
//知道点击按钮
UIButton *alerButton=[UIButton buttonWithType:UIButtonTypeCustom];
alerButton.frame=CGRectMake(0,separateLine.frame.origin.y+separateLine.frame.size.height, alertView.frame.size.width, alertView.frame.size.height-separateLine.frame.size.height-separateLine.frame.origin.y);
alerButton.backgroundColor=[UIColor clearColor];
[alerButton addTarget:self action:@selector(doClickButton:) forControlEvents:UIControlEventTouchUpInside];
alerButton.titleLabel.font=[UIFont systemFontOfSize:12];
[alertView addSubview:alerButton];
}
#pragma -mark -doClickActions
//知道点击按钮
-(void)doClickButton:(UIButton *)btn
{
NSLog(@"--doClickLabel---");
alertView.hidden=YES;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end