Android 学习手册

public class MyWorker extends Worker {
    public MyWorker(Context context, WorkerParameters params) { super(context, params); }
    @Override
    public Result doWork() {
        // 后台任务
        return Result.success();
    }
}

OneTimeWorkRequest workRequest = new OneTimeWorkRequest.Builder(MyWorker.class)
        .setConstraints(new Constraints.Builder().setRequiresCharging(true).build())
        .build();
WorkManager.getInstance(context).enqueue(workRequest);