iOS 使用NJKWebViewProgress做webview进度条

NJKWebViewProgress地址：https://github.com/ninjinkun/NJKWebViewProgress

导入头文件

#import "NJKWebViewProgressView.h"

#import "NJKWebViewProgress.h"

遵守协议

  <UIWebViewDelegate, NJKWebViewProgressDelegate>

实现代码

@implementation ViewController

{

    IBOutlet __weak UIWebView *_webView;

    NJKWebViewProgressView *_webViewProgressView;

    NJKWebViewProgress *_webViewProgress;

}

- (void)viewDidLoad

{

    [super viewDidLoad];

    _webViewProgress = [[NJKWebViewProgress alloc] init];

    _webView.delegate = _webViewProgress;

    _webViewProgress.webViewProxyDelegate = self;

    _webViewProgress.progressDelegate = self;

CGRect navBounds = self.navigationController.navigationBar.bounds;

CGRect barFrame = CGRectMake(0,

                             navBounds.size.height - 2,

                             navBounds.size.width,

                             2);

_webViewProgressView = [[NJKWebViewProgressView alloc] initWithFrame:barFrame];

_webViewProgressView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin;

[_webViewProgressView setProgress:0 animated:YES];

[self loadBaidu];

[self.navigationController.navigationBar addSubview:_webViewProgressView];

}

-(void)loadBidu

{

    NSURLRequest *req = [[NSURLRequest alloc] initWithURL:[NSURL URLWithString:@"http://www.baidu.com/"]];

    [_webView loadRequest:req];

}

#pragma mark - NJKWebViewProgressDelegate

-(void)webViewProgress:(NJKWebViewProgress *)webViewProgress updateProgress:(float)progress

{

    [_webViewProgressView setProgress:progress animated:YES];

    self.title = [_webView stringByEvaluatingJavaScriptFromString:@"document.title"];

}