Greeting everyone, im working a project right now and need help for firebase realtime database. My firebase Project As you guys can see in the above picture, inside student, I have matric number, and inside matric number have block and department. I have a barcode scanner which scan the value of department an…
Tag: firebase
how do I fix my flutter app not building with cloud firestore?
So I am new to flutter and firebase and I wanted to add firestore capabilities to my app, but when I tried to use firestore I got an error The plugin cloud_firestore requires a higher Android SDK version. │ │ Fix this issue by adding the following to the file │ │ C:UsersJaffStudioProjectspriv_chatandroidappbu…
Firebase Database gives null values
This is my Firebase Database snippet I am trying to get the name of the expense and the expense amount and set it into a RecyclerView. This is my adapter for the RecyclerView: This is my POJO class for Expense Model This is my code snippet The log shows that every value in the expense class has been set to
how can i get all the data in document firestore?
current i am working to my school project using android studio, it is an attendance system where I store my data to Firestore and the user are able to download/export the data to become Excel file. What I am trying to do is how can I get the all data in a single document of a Collection in firestore here̵…
How to get Each value from Firebase?
How can I get each value from Firebase and set it to my variable (Lat&Long) My Code : and The log result said Answer Since you’re using Java, here is the code that can help you read the value of Lat, as well the value of Long: As you can see, there is no need for any loop. You can
Android NullPointer Attempt to invoke virtual method ‘boolean java.util.ArrayList.add(java.lang.Object)’ on a null object reference
I’m getting this error: java.lang.NullPointerException: Attempt to invoke virtual method ‘boolean java.util.ArrayList.add(java.lang.Object)’ on a null object reference and just to make it clear is that I know others with the same issue have asked the same question and I have read the solutio…
Read Firestore Data in Android Java
i am working on android application and i am trying to read data from the firestore. One of the key contains further object data which i want to read. i was able to read the data for purchases but purchases has further array data with contains products keys. i am unable to read that. i want a simple solution,…
Firestore does not query on every Listview custom adapter
So this is the source code of my adapter: What I am trying to do is, change the value of two of my Textviews, consignor_cList and recipient_cList from a firestore query. Initially, both these textviews are having text value as String uid of my firestore document. I want to use these id, query the whole docume…
Database URL do not match
I’m trying to send user’s data to Realtime Database in SignUpActivity in my project. For that I created a database reference and copied the url that is written in my Realtime Database with the following code: However, when launching the app I get Fatal exception stating the following: 2022-06-21 1…
How to give read access permission for Firestore imageurl in Java
I am able to access the Firestore image url on my browser window. I want to convert this image url into BufferedImage after reading I have to find sub-image to get barcode value presented on my image. Here is the code, I have connected with my bucket using Firestore and selecting few images from bucket based …