Thread safe toast

SafeToast.java

public class SafeToast {

  public static final int LENGTH_SHORT = 0;
  public static final int LENGTH_LONG = 1;

  private Context context;
  private CharSequence text;
  private int duration;

  public SafeToast(Context context) {
    this.context = context;
  }

  public static SafeToast makeText(Context context, CharSequence text, @Duration int duration) {
    SafeToast safeToast = new SafeToast(context);
    safeToast.text = text;
    safeToast.duration = duration;
    return safeToast;
  }

  public static SafeToast makeText(Context context, int resId, int duration)
      throws Resources.NotFoundException {
    return makeText(context, context.getResources().getString(resId), duration);
  }

  @SuppressLint("ShowToast") private Toast createInternal() {
    return Toast.makeText(context, text, duration);
  }

  public void show() {
    if (Looper.myLooper() == Looper.getMainLooper()) {
      createInternal().show();
    } else {
      Handler handler = new Handler(Looper.getMainLooper());
      handler.post(new PriorityRunnable() {
        public void run() {
          createInternal().show();
        }
      });
    }
  }

  /** @hide */
  @IntDef({ LENGTH_SHORT, LENGTH_LONG }) @Retention(RetentionPolicy.SOURCE)
  public @interface Duration {
  }
}