[Android] show messages

Type 1:

 AlertDialog.Builder builder;
 builder = new AlertDialog.Builder(context);
 
 String msgTitle="Success";
 String msgBody="Please go to your email to get your password.";
  
 builder.setMessage(msgBody)
    .setTitle(msgTitle);
 AlertDialog dialog = builder.create();
 dialog.show();

dismiss listener:

reference: http://stackoverflow.com/questions/17544819/how-to-know-if-a-dialog-is-dismissed-in-android

public Dialog createDialog() {
    Dialog d = new Dialog(this);
    d.setOnDismissListener(new OnDismissListener() {
        @Override 
        public void onDismiss(final DialogInterface arg0) {
            // do something 
        } 
    }); 
    return d;
} 

Type 2:

 Toast.makeText(getApplicationContext(),"The field of e-mail is empty.", Toast.LENGTH_SHORT).show();