Thanks for your responses.
I think I have set the view in the content view (although I'm not
entirely sure what that means...). But I don't think I made it
"visible"... how do I do that?
This is what I have:
public class TestDraw extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(new DemoView(this));
}
private class DemoView extends View{
public DemoView(Context context){
super(context);
}
@Override protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
canvas.drawColor(Color.WHITE);
}
public void drawTest() {
// do something
// i want onDraw to be called here
// do something
}
}
}
On Mar 7, 7:59 am, MrSnowflake wrote:
> onDraw() will only be called when the view is in the content view of
> the Activity and visible!
>
> On 5 mrt, 20:25, mcmc wrote:
>
> > I cannot get the onDraw function to be called. Here is the what my
> > basic code looks like. What triggers the onDraw to be called?
>
> > private class DemoView extends View{
>
> > public DemoView(Context context){
> > super(context);
> > }
>
> > @Override protected void onDraw(Canvas canvas) {
> > super.onDraw(canvas);
> > canvas.drawColor(Color.WHITE);
> > }
>
> > public void drawTest() {
>
> > // do something
>
> > // i want onDraw to be called here
>
> > // do something
>
> > }
> > }
>
>
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