Why do you say MotionEvent.ACTION_MOVE is not working properly?

Are you redrawing after a move event?  You probably need to call 
invalidate().



On Tuesday, February 12, 2013 12:34:28 AM UTC-6, Meena Rengarajan wrote:
>
> How to draw or write a text like MS-Paint in android using onTouch Event? 
>
> I have tried alot, googled and as many possibilities coded on. No use. 
> please anyone help/suggest about this issue !
>
>  Can refer this Video - http://www.youtube.com/watch?v=v65AUWyfjo0
>
>         I have created a panel with the collection of different colors, 
> pencil, eraser and different shapes similar to MS-Paint. I could be able to 
> draw or write on a screen using Touch Event method. But when i draw 
> something on a screen (when i touch the screen), MotionEvent.ACTION_Down 
> method is calling. So it works fine. When i release my finger from the 
> screen, MotionEvent.ACTION_up method is calling and works fine. 
>
> So, my problem is, like MS-PAINT i couldnt be able to see what i drew or 
> wrote before i releasing the finger on a screen. For an example, can refer 
> this video link- Using pencil. User can see when he dragged the shapes or 
> trying to draw a pencil. Also, in this link user draws using pencil and it 
> is visible without releasing a finger on the screen. 
>
> But, when i draw something on the screen, once i released the finger only 
> it appears.
>
> What i need is, when user touch the screen itself if he/she moves the 
> finger on the screen, user must be able to see what they are trying to draw 
> or write on the screen.
>
> For an Example : If i try to write some word like "Apple" on a screen , i 
> am trying to put "A" . But when i write letter "A", it is invisible unless 
> i take my finger from the screen. Once if i released my finger from the 
> screen after i drew letter"A" then only the text or picture has been 
> appeared on a screen what i drew.
>
> So, I have done MotionEvent.ACTION_DOWN and MotionEVent.ACTION_UP. Its 
> work fine.
>
> But, MotionEvent.ACTION_MOVE is not working properly. 
>
> Can you suggest me or any ideas ? 
>
> Any help/suggestions would be highly appreciated, thanks !
>
>

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