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December 23, 2015 13:29
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Hack/Fix for (temporary?) Bug with IOS7 and Cordova's KeyboardShrinksView flag not working right.
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| // ----------- CDVViewController.m ----------------- | |
| - (void)keyboardWillShowOrHide:(NSNotification*)notif { | |
| // Ignore this conditional statement and just assume KeyboardShrinksView=true | |
| // if (![@"true" isEqualToString :[self settingForKey:@"KeyboardShrinksView"]]) { | |
| // return; | |
| // } | |
| BOOL showEvent = [notif.name isEqualToString:UIKeyboardWillShowNotification]; | |
| CGRect keyboardFrame = [notif.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue]; | |
| keyboardFrame = [self.view convertRect:keyboardFrame fromView:nil]; | |
| CGRect newFrame = self.view.bounds; | |
| if (showEvent) { | |
| // Add, don't subtract, the keyboard height to webview frame | |
| // newFrame.size.height -= keyboardFrame.size.height; | |
| newFrame.size.height += keyboardFrame.size.height; | |
| // don't allow frame height to exceed 1024 (iPad) | |
| if(newFrame.size.height > 1024) newFrame.size.height = 1024; | |
| self.webView.scrollView.contentInset = UIEdgeInsetsMake(0, 0, 0, 0); //-keyboardFrame.size.height, 0); | |
| [webView stringByEvaluatingJavaScriptFromString:@"toggleKeyboardVisibleClass()"]; | |
| } else { | |
| self.webView.scrollView.contentInset = UIEdgeInsetsMake(0, 0, 0, 0); | |
| [webView stringByEvaluatingJavaScriptFromString:@"toggleKeyboardVisibleClass('OFF')"]; | |
| } | |
| // NSLog(@"keyboardWillShowOrHide() [webView height:%f | keyboardFrame height:%f]",newFrame.size.height, keyboardFrame.size.height); | |
| // this seems to be needed every pass otherwise the device (iPad) | |
| // starts shrinking the webview again | |
| self.webView.scrollView.contentInset = UIEdgeInsetsMake(0, 0, 0, 0); | |
| self.webView.frame = newFrame; | |
| } | |
| // ----------- index.js (or whatever.js) ----------------- | |
| /* ----------------------------------------------------------- / | |
| toggleKeyboardVisibleClass | |
| Adds "keyboard_visible" class to <body> as IOS shows/hides the keyboard | |
| Note: assumes jQuery is loaded | |
| / ----------------------------------------------------------- */ | |
| function toggleKeyboardVisibleClass(onOrOff){ | |
| try{ | |
| switch(onOrOff){ | |
| case 'OFF': | |
| $('body').removeClass('keyboard_visible'); | |
| break; | |
| default: | |
| $('body').addClass('keyboard_visible'); | |
| break; | |
| } | |
| }catch(e){ | |
| // your error handling of choice ... | |
| } | |
| } |
Hey @mrsubtle - did you get an answer to your question? I'm also interested in finding out. I'm using this for PhoneGap 3.4.0. Thanks!
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Hey Chris - you know if this works in PhoneGap 3.3.0? I can't find keyboardWillShowOrHide in the 3.3.0 CDVViewController.m file - is this a new Method to add?