Determine Google or Amazon device

gistfile1.java

private static final String AMAZON_MANUFACTURED_DEVICE = "amazon";
private  interface DeviceType {
  public static final int GOOGLE_DEVICE = 1;
  public static final int AMAZON_DEVICE = 2;
}

private int getDeviceType() {
  int type = 0;
  String manufacturer = Build.MANUFACTURER;
  String model = Build.MODEL;

  if (manufacturer.toLowerCase().equals(AMAZON_MANUFACTURED_DEVICE)) {
    type = DeviceType.AMAZON_DEVICE;
  } else {
    type = DeviceType.GOOGLE_DEVICE;
  }

  return type;
}