Re: How to get tapped text from UITextView
Re: How to get tapped text from UITextView
- Subject: Re: How to get tapped text from UITextView
- From: Alex Kac <email@hidden>
- Date: Sat, 1 May 2010 11:46:27 -0500
It would be simpler to save the CGRect you calculate per word in an array and just enumerate the rects for the point tapped.
--
Alex Kac
On my mobile device so please excuse the brevity.
On May 1, 2010, at 12:19 AM, Sasikumar JP <email@hidden> wrote:
> Alex,
> I can draw the text using NSString's drawing method. But I am not clear how to get the tapped String using touch point or GCRect. I don't any direct method to get the String by passing CGPoint or CGRect.
>
>
> I was able to successfully implement this feature by creating CATextLayer for each word and put all the layers as a sublayer of UIView's layer object. When user tapped on this View, hitTest method would return the Layer which was tapped. Using the Layer Object i was able to get the tapped string.
>
> Does this approach cause any performance or memory related issue. since i am creating CATextLayer object for each word.
>
> Thanks
> Sasikumar
>
> On 30-Apr-2010, at 8:44 PM, Alex Kac wrote:
>
>> You are going to have to draw the text yourself using NSString's drawing methods and then use the regular touch events and CGRects to do that. Or use a UIWebView with links to each word that you recognize.
>>
>> --
>> Alex Kac
>> On my mobile device so please excuse the brevity.
>>
>> On Apr 30, 2010, at 12:38 AM, Sasikumar JP <email@hidden> wrote:
>>
>>> Hi,
>>> I am working on a iPhone Application. I want to implement the following feature in my app, but i don't know how to implement it.
>>>
>>> I want to display the read-only text content in UITextView, where user can tap any word in the text. It should take the user to next screen to display more detail about the tapped word.
>>>
>>> I dont know how to get tapped word from the UITextView.
>>>
>>> I have set the UITextView as a read-only to avoid the popping key-board and I have subclassed the UITextView to override the canPerformAction: withSender to disable the cut & paste feature.
>>>
>>> I have overridden touchesBegan method to get the touch/tap Event. But i am not sure how to get only the tapped word from the complete text.
>>>
>>>
>>> Any help is highly appreciated.
>>>
>>>
>>> Thanks
>>> Sasikumar_______________________________________________
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