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  • How to Show a pdf File from URL in a UIWebview in iOS

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    when we want to open the pdf file from a URL string then we use the UIWebView. In webview we can directly open the file by loading the url request.use the following function--

    -(void)addWebViewOverLay:(UIWebView *)webView {
        webView = [[UIWebView alloc] initWithFrame:CGRectMake(x, y, width  , height)];
        UIActivityIndicatorView *actInd=[[UIActivityIndicatorView alloc]initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
        //Change the color of the indicator, this override the color set by UIActivityIndicatorViewStyleWhiteLarge
        actInd.color=[UIColor blackColor];
        //Put the indicator on the center of the webview
        //Assign it to the property
        [activityIndicator setHidesWhenStopped:YES];
        //Add the indicator to the webView to make it visible
        [webView addSubview:activityIndicator];
        [webView setBackgroundColor:[UIColor grayColor]];
        NSURL *targetURL = [NSURL URLWithString:@"Enter URL Here"];
        NSURLRequest *request = [NSURLRequest requestWithURL:targetURL];
        [webView loadRequest:request];
        [activityIndicator startAnimating];
        [webView setScalesPageToFit:YES];
        [[webView layer] setCornerRadius:10];
        [webView setClipsToBounds:YES];
        // Create colored border using CALayer property
        [[webView layer] setBorderColor:
         [[UIColor colorWithRed: 43/255.0 green:124/255.0 blue:24/255.0 alpha:1.0] CGColor]];
        [[webView layer] setBorderWidth:2.75];
        UIButton *closeButton = [UIButton buttonWithType:UIButtonTypeCustom];
        [closeButton setFrame:CGRectMake(webView.frame.size.width-5, 5, 26, 26)];
        [closeButton setImage:[UIImage imageNamed:@"icon_close.png"] forState:UIControlStateNormal];
        [closeButton addTarget:self action:@selector(closeWebView:) forControlEvents:UIControlEventTouchUpInside];
        [self.view addSubview:webView];
        [[self view] addSubview:closeButton];

    here we use delegate of uiwebview to stop the activity indicator.

    -(void)webViewDidFinishLoad:(UIWebView *)webView {
        [activityIndicator stopAnimating];

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