Posted By

espinallab on 03/03/10

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Last Edited at 03/03/10 10:51am

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UIWebView displaying a network loading

/ Published in: Objective C

This works fine on my app.

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#import <UIKit/UIKit.h>

@interface className : UIViewController <UIWebViewDelegate>{
	UIWebView	*myWebView;
}

@end

#import "className.h"

@implementation className

// Implement loadView to create a view hierarchy programmatically, without using a nib.
- (void)loadView {
	UIView *contentView = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]];
	self.view = contentView;
	
	CGRect webFrame = [[UIScreen mainScreen] applicationFrame];
	webFrame.origin.y = 0.0;
	myWebView = [[UIWebView alloc] initWithFrame:webFrame];
	myWebView.backgroundColor = [UIColor whiteColor];
	myWebView.scalesPageToFit = YES;
	myWebView.autoresizingMask = (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
	myWebView.delegate = self;
	[self.view addSubview: myWebView];
	[myWebView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.google.com/"]]];
}

#pragma mark UIWebView delegate methods

- (void)webViewDidStartLoad:(UIWebView *)webView
{
	// starting the load, show the activity indicator in the status bar
	[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
}

- (void)webViewDidFinishLoad:(UIWebView *)webView
{
	// finished loading, hide the activity indicator in the status bar
	[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
}

- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error
{
	// load error, hide the activity indicator in the status bar
	[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
	
	// report the error inside the webview
	NSString* errorString = [NSString stringWithFormat:
							 @"<html><center><font size=+5 color='red'>An error occurred:<br>%@</font></center></html>",
							 error.localizedDescription];
	[myWebView loadHTMLString:errorString baseURL:nil];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning]; // Releases the view if it doesn't have a superview
    // Release anything that's not essential, such as cached data
}

- (void)dealloc {
    [super dealloc];
}

@end

URL: http://www.iphonedevsdk.com/forum/iphone-sdk-development-advanced-discussion/15077-uiwebview-not-calling-webviewdidfinishload.html

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