i've got an async task
private class DownloadScheduleTask extends
AsyncTask<String,Void,String>
{
ProgressDialog progress;
protected void onPreExecute()
{
progress = ProgressDialog.show( StartupActivity.this,
null,
"Wait...", true, false );
}
protected String doInBackground(String... urls)
{
/* background task work here... */
return data;
}
protected void onPostExecute( String result )
{
progress.dismiss();
}
}
when a screen is rotated, emulator crashes in onPostExecute because
looks like
ProgressDialog is no longer valid.
how can i detect that progress instance var is no longer valid so that
i don't call dismiss()
the dialog is off the screen anyway.
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