String textXY = text + String.valueOf(x) + String.valueOf(y);
String textYX = text + String.valueOf(y) + String.valueOf(x);
int resID = getResources().getIdentifier(textXY, "id", getPackageName());
btnXY = ((Button) findViewById(resID));
resID = getResources().getIdentifier(textYX, "id", getPackageName());
btnYX = ((Button) findViewById(resID));