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copied!<p>First, listen keyboard events:</p> <pre><code>[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil]; </code></pre> <p>when keyboard will show,remove the toolbar:</p> <pre><code>- (void)keyboardWillShow:(NSNotification *)note { [self performSelector:@selector(removeBar) withObject:nil afterDelay:0]; } </code></pre> <p>the removeBar is as follows:</p> <pre><code>- (void)removeBar { // Locate non-UIWindow. UIWindow *keyboardWindow = nil; for (UIWindow *testWindow in [[UIApplication sharedApplication] windows]) { if (![[testWindow class] isEqual:[UIWindow class]]) { keyboardWindow = testWindow; break; } } // Locate UIWebFormView for (UIView *possibleFormView in [keyboardWindow subviews]) { if ([[possibleFormView description] hasPrefix:@"<UIPeripheralHostView"]) { for (UIView* peripheralView in [possibleFormView subviews]) { // hides the backdrop (iOS 7) if ([[peripheralView description] hasPrefix:@"<UIKBInputBackdropView"]) { //skip the keyboard background....hide only the toolbar background if ([peripheralView frame].origin.y == 0){ [[peripheralView layer] setOpacity:0.0]; } } // hides the accessory bar if ([[peripheralView description] hasPrefix:@"<UIWebFormAccessory"]) { // remove the extra scroll space for the form accessory bar UIScrollView *webScroll; if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 5.0) { webScroll = [[self webView] scrollView]; } else { webScroll = [[[self webView] subviews] lastObject]; } CGRect newFrame = webScroll.frame; newFrame.size.height += peripheralView.frame.size.height; webScroll.frame = newFrame; // remove the form accessory bar [peripheralView removeFromSuperview]; } // hides the thin grey line used to adorn the bar (iOS 6) if ([[peripheralView description] hasPrefix:@"<UIImageView"]) { [[peripheralView layer] setOpacity:0.0]; } } } } } </code></pre> <p>Reference: <a href="https://github.com/don/KeyboardToolbarRemover/blob/master/src/ios/KeyboardToolbarRemover.m" rel="nofollow">https://github.com/don/KeyboardToolbarRemover/blob/master/src/ios/KeyboardToolbarRemover.m</a></p>

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