我想在我的数据处理过程中锁定按钮。 我用的AsyncTask来处理数据如下:如何锁定按钮
class Process extends AsyncTask<String, String, String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
progDailog = new ProgressDialog(ShareFolderActivity.this.getParent());
progDailog.setMessage("Loading...");
progDailog.setIndeterminate(false);
progDailog.setMax(100);
progDailog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
progDailog.setCancelable(true);
progDailog.show();
lock = true;
}
@Override
protected String doInBackground(String... aurl) {
//process
return null;
}
@Override
protected void onPostExecute(String unused) {
super.onPostExecute(unused);
PostLoad();
progDailog.dismiss();
lock = false;
}
}
及以下onBackPressed():
@Override
public void onBackPressed() {
if(!lock) {
//back action
}
}
当doInBackground后退按钮被按下,后面的动作不能做,而是progDailog解雇。 如何修改以避免它被解雇?