firebase-realtime-database

问题 I have an IOS app with Firebase enabled. Now im currently trying to add a macOS swift app to this project but i cant figure it out how to do it. ( I know that there is an option to port IOS apps to macOS, but i want two separate apps with different functions , one for IOS and one for macOS ) There is no option (as far as i know) in Firebase Admin to add a macOS app so i created a new IOS app in Firebase Admin and tried to set up with the macOS app project. (most likely this is the problem

问题 I have an IOS app with Firebase enabled. Now im currently trying to add a macOS swift app to this project but i cant figure it out how to do it. ( I know that there is an option to port IOS apps to macOS, but i want two separate apps with different functions , one for IOS and one for macOS ) There is no option (as far as i know) in Firebase Admin to add a macOS app so i created a new IOS app in Firebase Admin and tried to set up with the macOS app project. (most likely this is the problem

问题 I'm looking for some advice or a possible solution with tightening up my firebase rules. This is my user tree in Firebase: users |_male |_uid |_female |_uid The UID will be an epoch timestamp when the account is created which will be a signed integer. These are the firebase rules which basically ensures the user has logged in and authenticated with Facebook before they can read or write to users: "users": { "male":{ ".indexOn": ["uid"] }, "female":{ ".indexOn": ["uid"] }, ".read": "auth !=

问题 I'm looking for some advice or a possible solution with tightening up my firebase rules. This is my user tree in Firebase: users |_male |_uid |_female |_uid The UID will be an epoch timestamp when the account is created which will be a signed integer. These are the firebase rules which basically ensures the user has logged in and authenticated with Facebook before they can read or write to users: "users": { "male":{ ".indexOn": ["uid"] }, "female":{ ".indexOn": ["uid"] }, ".read": "auth !=

问题 I want to delete the entire node by query like delete * WHERE user_id = "-KTruPWrYO9WFj-TF8Ft" How can I achieve this on firebase? -KVpQFXnzQkzzrowHxGk answer: "1" question_number: 2 user_id: "-KTruPWrYO9WFj-TF8Ft" -KVpQFXODhsAMJYFNjy7 answer: "4" question_number: 25 user_id: "-KTruPWrYO9WFj-TF8Ft" 回答1: To delete all references with child having some particular value first you will need to retrieve all keys ('-KVpQFXnzQkzzrowHxGk', '-KVpQFXnzQkzzrowHxGk' in your case) with equalTo query and

问题 I'm studying AngularJS and Firebase and I'm playing with a simple ChatApp, just to understand the code. My Firebase DB structure is like this: "chat": { "messages": { "chat1": { [ list of messages ] }, "chat2": { [ list of messages ] } }, "rooms": { "chat1": { "users": { "user1": true, "user2": true } }, "chat2": { "users": { "user2": true, "user3": true } } } } Due to Firebase protection Rules I can't add chat link in the user node, than I necessary have to do a Firebase query to retrieve

问题 I'm studying AngularJS and Firebase and I'm playing with a simple ChatApp, just to understand the code. My Firebase DB structure is like this: "chat": { "messages": { "chat1": { [ list of messages ] }, "chat2": { [ list of messages ] } }, "rooms": { "chat1": { "users": { "user1": true, "user2": true } }, "chat2": { "users": { "user2": true, "user3": true } } } } Due to Firebase protection Rules I can't add chat link in the user node, than I necessary have to do a Firebase query to retrieve

问题 I have gone through most of the topics related to it and couldn't find the proper solution. I am getting an error "E/RecyclerView: No adapter attached; skipping layout" when retrieving the data from firebase database to my fragments using recycler view. Please see the code below: Resources : Fragment file import android.os.Bundle; import androidx.annotation.NonNull; import androidx.fragment.app.Fragment; import androidx.recyclerview.widget.GridLayoutManager; import androidx.recyclerview

问题 I have gone through most of the topics related to it and couldn't find the proper solution. I am getting an error "E/RecyclerView: No adapter attached; skipping layout" when retrieving the data from firebase database to my fragments using recycler view. Please see the code below: Resources : Fragment file import android.os.Bundle; import androidx.annotation.NonNull; import androidx.fragment.app.Fragment; import androidx.recyclerview.widget.GridLayoutManager; import androidx.recyclerview

问题 I'm trying to update some data in a firebase database. However i am unable to get the updateAPI function to work properly. I believe it's something to do with axios.put, the url is probably not traversing the data correctly? I have tried changing the url but end up with a OPTIONS and CORS errors which means the url is incorrect. // API Function calls async getAPI(){ const response = await axios.get('https://fir-test-euifhefibewif.firebaseio.com/todos.json') console.log(response) console.log