Not working onbackpressed when setcancelable of alertdialog is false

Question

I have an AlertDialog and its setCancelable() is false. In Onbackpressed function I want the AlertDialog to be closed. But when setCancelable

Answer 1

As i see you create dialogBuilder is public why not you call this in a public alertDialog and than show it using alertDilog.show() and close on back pressClick in activity and dismiss the dialog alertDilog.dismiss() override the onBackPress and dismiss it here

val alertDialog:AlertDialog?=null


         alertDialog = new AlertDialog.Builder(this)
        //set icon 
        .setIcon(android.R.drawable.ic_dialog_alert)
        //set title
        .setTitle("Are you sure to Exit")
        //set message
        .setMessage("Exiting will call finish() method")
        //set positive button
        .setPositiveButton("Yes", new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface dialogInterface, int i) {
        //set what would happen when positive button is clicked    
            finish();
        }
        })
        //set negative button
        .setNegativeButton("No", new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface dialogInterface, int i) {
        //set what should happen when negative button is clicked
            Toast.makeText(getApplicationContext(),"Nothing 
          Happened",Toast.LENGTH_LONG).show();
         }
        })
        .show();

       onBackPress(){alertDialog.dismiss()}