Question

I would like to know if I can freeze the current Activity, while I wait for another activity or dialog (any would do) to finish.

I know I can start an activity for results, and handle those there, but the code after startActivityForResult() will still get executed

this is something I would like to do:

PopupDialog dialog = new PopupDialog(this,android.R.style.Theme_Black_NoTitleBar);
dialog.show();
// wait here, and continue the code after the dialog has finishes
int result = getResultFromDialogSomehow();
if (result == 1){
    //do something
}else{
    //do something else
}

I know this must sound quite weird, but but I would really appreciate it if anyone can tell me how to achieve such functionality.

Answer 1

In a dialog, if you expect a result, you should use callback methods which can are executed when you click on the dialog’s buttons.

For example:

AlertDialog.Builder builder = new AlertDialog.Builder(getDialogContext());
builder.setMessage("Message");
builder.setPositiveButton("Yes", new Dialog.OnClickListener() {

    @Override
    public void onClick(DialogInterface dialog, int which) { 
        Toast.makeText(this, "Yes", Toast.LENGTH_SHORT).show();
        dialog.cancel();
    }

});

builder.setNegativeButton("No", new Dialog.OnClickListener() {

    @Override
    public void onClick(DialogInterface dialog, int which) {
        Toast.makeText(this, "No", Toast.LENGTH_SHORT).show();
        dialog.cancel();

    }

});

builder.show();

This way, onClick method will not execute when you run the code, but it will execute when any of your buttons inside the dialog are tapped.