firebase-realtime-database

问题 I have a question regarding firebase authentication. Actully I am making a dashboard for my company, and I will host it in firebase. I want to restrict the email authentication only to my comany domain (ex: cat.com). But I went through the stackoverflow answers and I found I can impose rule in database. But the issue is that I will be calling external databases to fetcj data using Firebase Function and serve it to website(dashboard). So no domain specific rule will apply there. Below is the

问题 I have an Android app that let the user books appointments with date & time pickers, when User books an appointment, it records the appointment date & time on the firebase real-time database as a string like this (29/01/2020 - 10:30), I want to receive all the appointments that is saved on the firebase from another activity but sorted by date (newest at top) For example it should be sorted like this: 3/1/2021 9:00 9/12/2020 10:30 8/11/2020 17:00 8/11/2020 15:30 6/10/2020 10:30 6/10/2020 10:00

问题 I have an Android app that let the user books appointments with date & time pickers, when User books an appointment, it records the appointment date & time on the firebase real-time database as a string like this (29/01/2020 - 10:30), I want to receive all the appointments that is saved on the firebase from another activity but sorted by date (newest at top) For example it should be sorted like this: 3/1/2021 9:00 9/12/2020 10:30 8/11/2020 17:00 8/11/2020 15:30 6/10/2020 10:30 6/10/2020 10:00

问题 I have an Android app that let the user books appointments with date & time pickers, when User books an appointment, it records the appointment date & time on the firebase real-time database as a string like this (29/01/2020 - 10:30), I want to receive all the appointments that is saved on the firebase from another activity but sorted by date (newest at top) For example it should be sorted like this: 3/1/2021 9:00 9/12/2020 10:30 8/11/2020 17:00 8/11/2020 15:30 6/10/2020 10:30 6/10/2020 10:00

问题 I am working on a firebase project. I used Itemtouchhelper to drag and reorder the recyclerview from firebase database but it resets to what it was if I enter another activity and comeback or restart the app. Is there a way to make the change to recyclerview order permanent? ItemTouchHelper.SimpleCallback simpleCallback = new ItemTouchHelper.SimpleCallback(ItemTouchHelper.UP | ItemTouchHelper.DOWN | ItemTouchHelper.START | ItemTouchHelper.END, 0) { @Override public boolean onMove(@NonNull

问题 I am working on a firebase project. I used Itemtouchhelper to drag and reorder the recyclerview from firebase database but it resets to what it was if I enter another activity and comeback or restart the app. Is there a way to make the change to recyclerview order permanent? ItemTouchHelper.SimpleCallback simpleCallback = new ItemTouchHelper.SimpleCallback(ItemTouchHelper.UP | ItemTouchHelper.DOWN | ItemTouchHelper.START | ItemTouchHelper.END, 0) { @Override public boolean onMove(@NonNull

问题 I am working on a firebase project. I used Itemtouchhelper to drag and reorder the recyclerview from firebase database but it resets to what it was if I enter another activity and comeback or restart the app. Is there a way to make the change to recyclerview order permanent? ItemTouchHelper.SimpleCallback simpleCallback = new ItemTouchHelper.SimpleCallback(ItemTouchHelper.UP | ItemTouchHelper.DOWN | ItemTouchHelper.START | ItemTouchHelper.END, 0) { @Override public boolean onMove(@NonNull

问题 I am working on a firebase project. I used Itemtouchhelper to drag and reorder the recyclerview from firebase database but it resets to what it was if I enter another activity and comeback or restart the app. Is there a way to make the change to recyclerview order permanent? ItemTouchHelper.SimpleCallback simpleCallback = new ItemTouchHelper.SimpleCallback(ItemTouchHelper.UP | ItemTouchHelper.DOWN | ItemTouchHelper.START | ItemTouchHelper.END, 0) { @Override public boolean onMove(@NonNull

问题 I am working on a firebase project. I used Itemtouchhelper to drag and reorder the recyclerview from firebase database but it resets to what it was if I enter another activity and comeback or restart the app. Is there a way to make the change to recyclerview order permanent? ItemTouchHelper.SimpleCallback simpleCallback = new ItemTouchHelper.SimpleCallback(ItemTouchHelper.UP | ItemTouchHelper.DOWN | ItemTouchHelper.START | ItemTouchHelper.END, 0) { @Override public boolean onMove(@NonNull

问题 I am trying to create "id, uid, and picname" branches in my realtime database but nothing does show. The rules are true for all. Also nothing shows up in logcat. It's been bothering me a lot. DatabaseReference databaseReference = FirebaseDatabase.getInstance().getReference().child("Logbook").push(); //Data will be saved in "Logbook" node. Map<String, Object> updateMap = new HashMap<>(); updateMap.put("id", ""); updateMap.put("Uid", ""); updateMap.put("picName", ""); databaseReference.setValue