【开源类库学习】MBProgressHUD(提示框)

新博客：

http://www.liuchendi.com

MBProgressHUD是一个开源类库，实现了各种样式的提示框， 下载地址：https://github.com/jdg/MBProgressHUD，然后把两个MBProgressHUD.h和MBProgressHUD.m放到自己的项目就可以了。这里有一个小Demo可以参考一下。

头文件部分：

#import <UIKit/UIKit.h>
#import "MBProgressHUD.h"
 
@interface ViewController : UIViewController
{
 
    MBProgressHUD *HUD;
}
 
- (IBAction)showTextDialog:(id)sender;      //文本提示框，默认情况下
- (IBAction)showProgressOne:(id)sender;     //第一种加载提示框
- (IBAction)showProgressTwo:(id)sender;     //第二种加载提示框
- (IBAction)showProgressThree:(id)sender;   //第三种加载提示框
- (IBAction)showCustomDialog:(id)sender;    //自定义提示框，显示打钩效果
- (IBAction)showAllTextDialog:(id)sender;   //显示纯文本提示框
 
@end

实现文件部分

#import "ViewController.h"
 
@interface ViewController ()
 
@end
 
@implementation ViewController
 
- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
}
 
- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}
 
- (IBAction)showTextDialog:(id)sender {
 
    HUD = [[MBProgressHUD alloc] initWithView:self.view];
    [self.view addSubview:HUD];
 
    HUD.dimBackground = YES;  //把当前的view置于后台
    HUD.labelText = @"请稍等";
 
    //显示对话框
    [HUD showAnimated:YES whileExecutingBlock:^{
 
        sleep();
    } completionBlock:^{
    }];
}
 
- (IBAction)showProgressOne:(id)sender {
 
    HUD = [[MBProgressHUD alloc] initWithView:self.view];
    [self.view addSubview:HUD];
 
    HUD.labelText = @"正在加载";
    HUD.mode = MBProgressHUDModeDeterminate;
    //HUD.mode = MBProgressHUDModeAnnularDeterminate;
    [HUD showAnimated:YES whileExecutingBlock:^{
 
        float progress = 0.0f;
        while (progress < 1.0f) {
            progress += 0.01f;
            HUD.progress = progress;
            usleep();
        }
    } completionBlock:^{
        [HUD removeFromSuperview];
        [HUD release];
        HUD = nil;
 
    }];
}
 
- (IBAction)showProgressTwo:(id)sender {
 
    HUD = [[MBProgressHUD alloc] initWithView:self.view];
    [self.view addSubview:HUD];
 
    HUD.labelText = @"正在加载";
    HUD.mode = HUD.mode = MBProgressHUDModeAnnularDeterminate;
    [HUD showAnimated:YES whileExecutingBlock:^{
 
        float progress = 0.0f;
        while (progress < 1.0f) {
            progress += 0.01f;
            HUD.progress = progress;
            usleep();
        }
    } completionBlock:^{
        [HUD removeFromSuperview];
        [HUD release];
        HUD = nil;
 
    }];
 
}
 
- (IBAction)showProgressThree:(id)sender {
 
    HUD = [[MBProgressHUD alloc] initWithView:self.view];
    [self.view addSubview:HUD];
 
    HUD.labelText = @"正在加载";
    HUD.mode = MBProgressHUDModeDeterminateHorizontalBar;
    [HUD showAnimated:YES whileExecutingBlock:^{
 
        float progress = 0.0f;
        while (progress < 1.0f) {
            progress += 0.01f;
            HUD.progress = progress;
            usleep();
        }
    } completionBlock:^{
        [HUD removeFromSuperview];
        [HUD release];
        HUD = nil;
 
    }];
 
}
 
- (IBAction)showCustomDialog:(id)sender {
 
    HUD = [[MBProgressHUD alloc] initWithView:self.view];
    [self.view addSubview:HUD];
 
    HUD.labelText = @"操作成功";
    HUD.mode = MBProgressHUDModeCustomView;
    HUD.customView = [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Checkmark"]] autorelease];
    [HUD showAnimated:YES whileExecutingBlock:^{
        sleep();
    } completionBlock:^{
        [HUD removeFromSuperview];
        [HUD release];
        HUD = nil;
    }];
}
 
- (IBAction)showAllTextDialog:(id)sender {
 
    HUD = [[MBProgressHUD alloc] initWithView:self.view];
    [self.view addSubview:HUD];
 
    HUD.labelText = @"操作成功";
    HUD.mode = MBProgressHUDModeText;
    HUD.customView = [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Checkmark"]] autorelease];
    [HUD showAnimated:YES whileExecutingBlock:^{
        sleep();
    } completionBlock:^{
        [HUD removeFromSuperview];
        [HUD release];
        HUD = nil;
    }];
 
}
 
- (void)dealloc {
 
    [super dealloc];
}
@end

实现效果如图所示：

1、默认效果，也就是MBProgressHUDModeIndeterminate

2、第一种加载提示框，MBProgressHUDModeDeterminate

3、第二种加载提示MBProgressHUDModeAnnularDeterminate

4、第三种加载提示框，MBProgressHUDModeDeterminateHorizontalBar

5、自定义提示框 ，可以带图片的MBProgressHUDModeCustomView

6.纯文本提示框

如果有什么问题，欢迎通过微博交流 @Linux_小木头