模拟器iphone Xcode上的白色屏幕

Question

我在YouTube上观看了此视频： Xcode如何为iOS应用程序创建Webview

我关注了视频，但是如果我在模拟器上运行我的应用程序，只会看到白屏。

这个ViewController.h

//
//  ViewController.h
//

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController

{
    IBOutlet UIWebView *myWebView;

}


@end


//

// ViewController.m //

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];


    NSURL *myURL = [NSURL URLWithString:@"http://website.com"]; NSURLRequest *myRequest = [NSURLRequest requestWithURL:myURL]; myWebView.scalesPageToFit = YES; [myWebView loadRequest:myRequest];

}

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

@end

你能让我解决这个错误吗？

Answer 1

是ViewController.m

//
//  ViewController.m
//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];


    NSURL *myURL = [NSURL URLWithString:@"http://website.com"]; NSURLRequest *myRequest = [NSURLRequest requestWithURL:myURL]; myWebView.scalesPageToFit = YES; [myWebView loadRequest:myRequest];

}

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

@end

Answer 2

创建后，您必须实际加载请求！

NSURL *url = [NSURL URLWithString:@"http://yoururl.com"];
NSURLRequest *request = [NSURLRequest requestWithURL:url];
[self.webView loadRequest:request];