Try using Handler: instead of showing toast from non-GUI thread, use
handler.post() method to schedule toast for execution in UI thread.
On Sep 30, 8:42 pm, Omer Gilad <omer.gi...@gmail.com> wrote:
> Hello,
> I have an application which runs a background thread which eventually
> updates listeners on some incoming event.
> When I'm in this listeners' code, I want to be able to either show a
> Toast or a new Activity on top of the screen, regardless of what is
> running in this moment - but to be able to come back to it (add on top
> of the current stack, even if it's another application).
> By now I didn't succeed in doing that in any way.
>
> This is one attempt (inside my listener, which is called from a worker
> thread):
>
> runOnUiThread(new Runnable() {
>
> public void run() {
> Toast.makeText(getApplicationContext(),
> "toast", Toast.LENGTH_LONG).show();
>
> }
> });
>
> It shows the toast when I am in my original application, but not when
> I'm in background.
> I put a breakpoint on the line with the toast showing, and I know that
> I get there, but it does nothing.
>
> Do you have any idea?
>
> Thanks ahead!
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