How to set button click listener for Custom Dialog?

Question

I have made a main Dialog class on which I send the layout ID and shows the layout as a Dialog now when I send the layout from calling class it pop

Answer 1

dialog = new Dialog(this);
dialog.setContentView(R.layout.custom_dialog);
dialog.setTitle("Custom Dialog");


Button dialog_btn = (Button) dialog.findViewById(R.id.dialog_button);
dialog_btn.setOnClickListener(new View.OnClickListener() 
{
    // Perform button logic
}