Workmanager observe lifecycleowner
WorkManager does not necessarily guarantee that a task will be executed. WorkRequest is the name of the class responsible for scheduling and running tasks Which of the following would not require WorkManager ?.
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Try to use LiveData.Observe method to get the data. Here is the relevant code encoding using java you can refer to. ``` statuses.getWorkInfosLiveData().observe(this, new Observer >() { @Override public void onChanged(List workInfos).
LiveData is a lifecycle aware observable data holder class. LiveData always need a lifecycle. But, in this code LiveData directly work with data binding. So, we should set the activity (this activity) as the lifecycle owner to the data binding instance. binding.lifecycleOwner = this.
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而WorkManager只是一个处理定时任务的工具，它可以保证即使在应用退出甚至手机重启的情况下，之前注册的任务仍然将得到执行，因此workmanager很适合用于执行一些定期和服务器进行交互的任务，比如周期性地同步数据等等。 WorkManager的基本用法. 基本用法： 添加. val liveData = MutableLiveData<Int>() liveData.observe(lifecycleOwner, Observer { invokeMyMethod(it) }) 但是，当我尝试将object用于一个参数而将SAM lambda没有类型用于另一参数时： val liveData = MutableLiveData<Int>() liveData.observe(lifecycleOwner, { invokeMyMethod(it) }) 它给了我编译错误。.
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LifecycleOwner. The android.arch Architecture Components packages are no longer maintained. They have been superseded by the corresponding androidx.* packages. See androidx.lifecycle.LifecycleOwner instead. This interface was deprecated in API level 1.1.0. Use android.support.v7.app.AppCompatActivity which extends LifecycleOwner, so there are.
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アプリ アーキテクチャ ガイドを最新化する作業の一環として、異なる ui パターンを使って実験し、最適に動作する方式や各方式間の類似点や相違点を確認して、最終的にはそこから得られた教訓をベスト プラクティスとしてまとめたいと考えています。. そこで発見したことをできる限り容易.
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