Android 游戏中的玩家数据统计

public void checkPlayerStats() {
  Games.getPlayerStatsClient(this, GoogleSignIn.getLastSignedInAccount(this))
      .loadPlayerStats(true)
      .addOnCompleteListener(new OnCompleteListener<AnnotatedData<PlayerStats>>() {
        @Override
        public void onComplete(@NonNull Task<AnnotatedData<PlayerStats>> task) {
          if (task.isSuccessful()) {
            // Check for cached data.
            if (task.getResult().isStale()) {
              Log.d(TAG, "using cached data");
            }
            PlayerStats stats = task.getResult().get();
            if (stats != null) {
              Log.d(TAG, "Player stats loaded");
              if (stats.getDaysSinceLastPlayed() > 7) {
                Log.d(TAG, "It's been longer than a week");
              }
              if (stats.getNumberOfSessions() > 1000) {
                Log.d(TAG, "Veteran player");
              }
              if (stats.getChurnProbability() == 1) {
                Log.d(TAG, "Player is at high risk of churn");
              }
            }
          } else {
            int status = CommonStatusCodes.DEVELOPER_ERROR;
            if (task.getException() instanceof ApiException) {
              status = ((ApiException) task.getException()).getStatusCode();
            }
            Log.d(TAG, "Failed to fetch Stats Data status: "
                + status + ": " + task.getException());
          }
        }
      });
}