Dialog dialog = new Dialog(this); 
dialog.setContentView(R.layout.your_dialog_file); 
 
Button yourButton = dialog.findViewById(R.id.yourButton); 
final EditText text = dialog.findViewById(R.id.yourTextEdit); 
yourButton.setOnClickListener( { 
 
public void onClick(View view) { 
   if ( ! (text.getText().toString.equals(""))) { 
        //go on here and dismiss dialog 
   } 
 
});