android-architecture-components - 如何清除Android中WorkManager创建的WorkStatus？

Question

我创建了一些 OneTimeWorkRequest当我使用 android-arch 工作 WorkManager 时。
我可以看 WorkStatus像这样的观察者

final WorkManager workManager = WorkManager.getInstance();
final LiveData<List<WorkStatus>> workStatus =
    workManager.getStatusesByTag(DailyWorker.DAILY_WORK);
observer = new Observer<List<WorkStatus>>() {
  @Override public void onChanged(@Nullable List<WorkStatus> workStatuses) {
    Log.d("WorkManager", "onChanged  = workStatuses = " + workStatuses);
    if (workStatuses == null || workStatuses.size() == 0) {
      //DailyWorker.createNewPeriodWork();
    } else {
      Log.d("WorkManager ", "onChanged  = workStatuses.size() = " + workStatuses.size());
      for (int i = 0; i < workStatuses.size(); i++) {
        Log.d("WorkManager ", "onChanged Work Status Id: " + workStatuses.get(i).getId());
        Log.d("WorkManager ", "onChanged Work Status State: " + workStatuses.get(i).getState());
      }
    }
    workStatus.removeObserver(observer);
  }
};
workStatus.observe(this, observer);

我的 Android arch 版本是 android.arch.work:work-runtime:1.0.0-alpha02
但是有很多 WorkStatus在列表中，一些 SUCCEEDED ,一些 ENQUEUED , 一些 CANCELLED ，并且列表的数量不断增加。
如何清除工作状态列表？

Answer 1

您可以调用方法pruneWork()在您的 WorkManager 上清除 List<WorkStatus> .

myWorkManager.pruneWork();

希望能帮助到你!