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  • iOS Reachability的基本用法

    #import <UIKit/UIKit.h>
    
    @interface AppDelegate : UIResponder <UIApplicationDelegate>
    
    @property (strong, nonatomic) UIWindow *window;
    
    
    @end
    #import "AppDelegate.h"
    #import "RootViewController.h"
    @interface AppDelegate ()
    
    @end
    
    @implementation AppDelegate
    
    
    - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
        self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
        // Override point for customization after application launch.
        self.window.backgroundColor = [UIColor whiteColor];
        
        self.window.rootViewController = [[RootViewController alloc] init];
        
        [self.window makeKeyAndVisible];
        return YES;
    }
    
    @end
    #import <UIKit/UIKit.h>
    
    @interface RootViewController : UIViewController
    
    @end
    /**
     *  注意: 要在工程里导入SystemConfiguration.framework框架
     *  Reachability下载地址:  https://github.com/tonymillion/Reachability
     */
    #import "RootViewController.h"
    #import "Reachability.h"
    @interface RootViewController ()
    
    @end
    
    @implementation RootViewController
    
    - (void)viewDidLoad {
        [super viewDidLoad];
        
        Reachability *reach = [Reachability reachabilityWithHostname:@"www.baidu.com"];
        
        NSLog(@"------%@",reach.currentReachabilityString);
    
        UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:reach.currentReachabilityString message:nil delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil, nil];
        
        reach.reachableBlock = ^(Reachability *reach){
            dispatch_async(dispatch_get_main_queue(), ^{
                NSLog(@"网络可用");
               alertView.message = @"当前网络可用";
                [alertView show];
            });
        };
        
        reach.unreachableBlock = ^(Reachability *reach){
            alertView.message = @"当前网络不可用";
            [alertView show];
        };
        [reach startNotifier];
        
    }
    
    
    
    - (void)didReceiveMemoryWarning {
        [super didReceiveMemoryWarning];
        // Dispose of any resources that can be recreated.
    }
    
    
    
    @end
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  • 原文地址:https://www.cnblogs.com/lantu1989/p/5164085.html
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