IOS第三方之SVProgressHUD

//
//  ViewController.m
//  ProgressHUD
//
//  Created by City--Online on 15/6/15.
//  Copyright (c) 2015年 City--Online. All rights reserved.
//

#import "ViewController.h"
#import "SVProgressHUD.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(handleNotification:)
                                                 name:SVProgressHUDWillAppearNotification
                                               object:nil];
    
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(handleNotification:)
                                                 name:SVProgressHUDDidAppearNotification
                                               object:nil];
    
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(handleNotification:)
                                                 name:SVProgressHUDWillDisappearNotification
                                               object:nil];
    
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(handleNotification:)
                                                 name:SVProgressHUDDidDisappearNotification
                                               object:nil];
}
- (void)handleNotification:(NSNotification *)notif
{
    NSLog(@"Notification recieved: %@", notif.name);
    NSLog(@"Status user info key: %@", [notif.userInfo objectForKey:SVProgressHUDStatusUserInfoKey]);
}


- (void)viewDidLoad {
    [super viewDidLoad];
    UIButton *btn=[UIButton buttonWithType:UIButtonTypeSystem];
    [btn setTitle:@"提示框" forState:UIControlStateNormal];
    btn.frame=CGRectMake(20, 100, 100, 100);
    [btn addTarget:self action:@selector(btnClick:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:btn];
}
-(void)btnClick:(id)sender
{
    
//    [SVProgressHUD showWithStatus:@"Loading"];

//    [SVProgressHUD show];
//    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
//        sleep(3);
//        dispatch_async(dispatch_get_main_queue(), ^{
//            [SVProgressHUD dismiss];
//        });
//    });
    
//    [self showWithProgress];
    
    [self showSuccess];
}
static float progress = 0.0f;
- (void)showWithProgress {
    progress = 0.0f;
    [SVProgressHUD showProgress:0 status:@"Loading"];
    [self performSelector:@selector(increaseProgress) withObject:nil afterDelay:0.3f];
}

- (void)increaseProgress {
    progress+=0.1f;
    [SVProgressHUD showProgress:progress status:@"Loading"];
    
    if(progress < 1.0f)
        [self performSelector:@selector(increaseProgress) withObject:nil afterDelay:0.3f];
    else
        [self performSelector:@selector(dismiss) withObject:nil afterDelay:0.4f];
}
- (void)dismiss {
    [SVProgressHUD dismiss];
}

- (void)showInfo{
    [SVProgressHUD showInfoWithStatus:@"Useful Information."];
}

- (void)showSuccess {
    [SVProgressHUD showSuccessWithStatus:@"Great Success!"];
}

- (void)showError {
    [SVProgressHUD showErrorWithStatus:@"Failed with Error"];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end