iOS之webview进度条控件NJKWebViewProgress的使用

首先说下下载地址：
NJKWebViewProgress地址：https://github.com/ninjinkun/NJKWebViewProgress

直接上代码：

#import "ViewController.h"#import "NJKWebViewProgressView.h"@implementation ViewController{    UIWebView *_webView;    NJKWebViewProgressView *_progressView;    NJKWebViewProgress *_progressProxy;}- (void)viewDidLoad{    [super viewDidLoad];    //设置webview     _webView = [[UIWebView alloc]init];     _webView.frame=CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height);    [self.view addSubview:_webView];    _webView.dataDetectorTypes = UIDataDetectorTypeNone;//关闭自动检测网页上的电话号码    _webView.scalesPageToFit = YES;//自动对页面进行缩放以适应屏幕    //设置进度条    _progressProxy = [[NJKWebViewProgress alloc] init];    _webView.delegate = _progressProxy;    _progressProxy.webViewProxyDelegate = self;    _progressProxy.progressDelegate = self;    CGFloat progressBarHeight = 2.f;    CGRect navigationBarBounds = self.navigationController.navigationBar.bounds;    CGRect barFrame = CGRectMake(0, navigationBarBounds.size.height - progressBarHeight, navigationBarBounds.size.width, progressBarHeight);    _progressView = [[NJKWebViewProgressView alloc] initWithFrame:barFrame];    _progressView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin;    [self loadwebview];}- (void)viewWillAppear:(BOOL)animated{    [super viewWillAppear:animated];    [self.navigationController.navigationBar addSubview:_progressView];}-(void)viewWillDisappear:(BOOL)animated{    [super viewWillDisappear:animated];    // Remove progress view    // because UINavigationBar is shared with other ViewControllers    [_progressView removeFromSuperview];}-(void)loadwebview{    NSURLRequest *req = [[NSURLRequest alloc] initWithURL:[NSURL URLWithString:@"https://www.baidu.com/"]];    [_webView loadRequest:req];}#pragma mark - NJKWebViewProgressDelegate-(void)webViewProgress:(NJKWebViewProgress *)webViewProgress updateProgress:(float)progress{    [_progressView setProgress:progress animated:YES];    //self.title = [_webView stringByEvaluatingJavaScriptFromString:@"document.title"];}@end