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Andrew's questions

Martin Hope
Andrew
Asked: 2022-03-22 20:46:20 +0800 CST
  • 1

我创建了一个应用程序，用户可以在其中创建自己的花集合并为每个花设置浇水通知。将花朵添加到您的收藏时，花朵的名称和信息取自 Firestore。问题是，在为工作管理器创建作品时，我传递了所需的数据，但一旦我关闭应用程序，它就会丢失所有数据并将花名设为 null。我还有一个问题，如何为每朵花创建具有不同 ID 的作品（通知）。例如：牡丹3天，唐菖蒲2天，这样我就可以按ID删除工作

谢谢

private void addPreferPlant(){
    final Map<String, Object> myPlant = new HashMap<>();
    myPlant.put("name", namePlant);
    myPlant.put("image", imagePlant);
    myPlant.put("sun",plantSun);
    myPlant.put("moreWater",plantWater);
    myPlant.put("sunInfo",sunInfo);
    myPlant.put("waterInfo",waterInfo);
    myPlant.put("info",infoPlant);
    myPlant.put("terraInfo",terraInfo);
    myPlant.put("temp",plantTemp);
    //myPlant.put("idTimer", tagNotification);
    // Add a new document with a generated ID
    mFS.collection("users").document(userId).collection("MyFlowers")
            .add(myPlant)
            .addOnSuccessListener(new OnSuccessListener<DocumentReference>() {
                @Override
                public void onSuccess(DocumentReference documentReference) {
                   myPlantID = documentReference.getId();
                    Log.d("id", myPlantID);
                    Toast.makeText(SetPlant.this,"OK",Toast.LENGTH_SHORT).show();
                }
            })
            .addOnFailureListener(new OnFailureListener() {
                @Override
                public void onFailure(@NonNull Exception e) {
                    Toast.makeText(SetPlant.this,"Fail",Toast.LENGTH_SHORT).show();
                }
            });
    oneTimeRequest();
  //  WorkerUpload.periodRequest();
}
public static void oneTimeRequest(){

    Data data = new Data.Builder()
            .putString("EXTRA_TITLE", "Flovers")
            .putString("EXTRA_TEXT", namePlant)
            .build();

    OneTimeWorkRequest oneTimeWorkRequest = new OneTimeWorkRequest.Builder(WorkerUpload.class)
            .setInputData(data)
            .setInitialDelay(20, TimeUnit.SECONDS)
            .setConstraints(setCons())
            .addTag(namePlant)
            .build();

    WorkManager.getInstance().enqueue(oneTimeWorkRequest);
    Log.d("YEK", "Repeat");

}

public static Constraints setCons() {
    Constraints constraints = new Constraints.Builder().build();
    return constraints;
}

public class WorkerUpload extends Worker {
public WorkerUpload(@NonNull Context context, @NonNull WorkerParameters workerParams) {
    super(context, workerParams);
}
private static final String CHANNEL_ID = "SAMPLE_CHANNEL";
@NonNull
@Override
public Result doWork() {
    SetPlant.oneTimeRequest();
    String title = getInputData().getString("EXTRA_TITLE");
    String text = getInputData().getString("EXTRA_TEXT");
    showNotif(title,text);
    Log.d("YEK", "Repeat OK");
    return Result.success();
}

public void showNotif(String text, String message){
    Random rand = new Random();
    int notificationId =  rand.nextInt(20);
    //Call MainActivity when notification is tapped
    Intent mainIntent = new Intent(getApplicationContext(), MainActivity.class);
    PendingIntent contentIntent = PendingIntent.getActivity(
            getApplicationContext(),0,mainIntent,PendingIntent.FLAG_UPDATE_CURRENT
    );
    //NotificationManager
    NotificationManager notificationManager =
            (NotificationManager) getApplicationContext().getSystemService(Context.NOTIFICATION_SERVICE);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O){
        //For API 26 and above.
        CharSequence channel_name = "My Notification";
        int importance = NotificationManager.IMPORTANCE_DEFAULT;
        NotificationChannel channel = new NotificationChannel(CHANNEL_ID, channel_name,importance);
        notificationManager.createNotificationChannel(channel);
    }
    // prepare notification
    NotificationCompat.Builder builder = new NotificationCompat.Builder(getApplicationContext(), CHANNEL_ID)
            .setSmallIcon(R.drawable.plant_ic)
            .setContentTitle(text)
            .setContentText("Полей " + message)
            .setContentIntent(contentIntent)
            .setPriority(NotificationCompat.PRIORITY_DEFAULT)
            .setAutoCancel(true);
    notificationManager.notify(notificationId,builder.build());
}

}

java