any clue, how to resolve this problem
On Jul 3, 6:14 pm, Casper <[email protected]> wrote:
> Hi
>
> thanks for the reply.
>
> i even tried that.
> Interesting part is, except cavas.drawText for drawing text any other
> paint call is working. if you try by your self, you will see the same
> thing happening.
> i added a statement for canvas.drawLine(); this is working on every
> call. But canvas.drawText is able to render my text only once. i
> verified the textpaint value. i verified the bottom, top and i even
> hardcoded everything and found the same thing happening. its kind of
> weird. the api call only mentions that, as per the chosen alignment,
> the text will drawn with respect to the x, y origin. I struggled with
> this problem till night 3, couldn't find the solution. i even tried
> extending the view and calling drawText in the overridden OnDraw
> method, is doing the same thing.
>
> Stephen suggested trying setTextSize, even that didnt work. The point
> is, first instance of my extended CheckBox is able to draw the text,
> the second time, i create an instance and its the same onDraw method
> that gets called, and the text is not visible, but the checkBox is
> visible if i have super.onDraw in that method.
>
> On Jul 3, 7:17 am, MrChaz <[email protected]> wrote:
>
> > you're calling canvas.restore() which clears out all changes since the
> > last call of canvas.save()
> > I'd try taking out that line.
>
> > On Jul 2, 8:57 pm, Casper <[email protected]> wrote:
>
> > > public class TCheckBox extends CheckBox{
> > > public void onDraw(Canvas canvas){
>
> > > Paint tTextPaint = new Paint();
> > > tTextPaint.setColor(Color.BLACK);
>
> > > canvas.drawText("mtext1", getPaddingLeft(), getBottom(),
> > > tTextPaint);
>
> > > int width = getWidth();
>
> > > Paint tTextPaint2 = new Paint();
> > > tTextPaint2.setColor(Color.BLACK);
> > > int tSize = (int)tTextPaint2.measureText("$0000.00");
> > > canvas.drawText("mtext2", width - tSize, getBottom(),
> > > tTextPaint2);
> > > canvas.restore();
> > > }
>
> > > }
>
> > > public void renderCheckBox(){
> > > mTCheckBox[mCheckBoxCounter] = new TCheckBox(this);
>
> > > if(mTCheckBox[mCheckBoxCounter] != null){
>
> > >
> > > linearLayout.addView(mTCheckBox[mCheckBoxCounter]);
> > > mCheckBoxCounter++;
> > > }
> > > sView.postInvalidate();
> > > }
> > > }
>
> > > My first call to renderCheckBox could render the check box with text1,
> > > and text2. From second time onwards, my text is not being rendered but
> > > the checkBox is getting rendered. I am not knowing what might be the
> > > reason for the failure. Could some one help with this problem.
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