Firebase Database for Unity

SIVANN KH

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Aug 6, 2018, 11:02:23 AM8/6/18

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Hello everyone!

I have already read the official doc of firebase, but I still don't understand how can I save(write) and get(read) data from firebase database. Can someone help me please...

Edward Lawrence

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Aug 6, 2018, 11:34:38 AM8/6/18

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Hey Sivann,

What are you developing you application in? there's plenty of knowledge here but people may be able to give a more solid direction for you if we know what you are working with!

A thing I got easily confused with is making sure all my dependancies were in place within my app to sync it to the my database

Thanks :)

On Mon, Aug 6, 2018 at 3:15 PM, SIVANN KH <siva...@gmail.com> wrote:

Hello everyone!

I have already read the official doc of firebase, but I still don't understand how can I save(write) and get(read) data from firebase database. Can someone help me please...

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SIVANN KH

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Aug 6, 2018, 9:30:32 PM8/6/18

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I use Unity to make a game, and I want to save and get data from Firebase database, help me please... ( If can explain please )

On Monday, August 6, 2018 at 10:34:38 PM UTC+7, Edward Lawrence wrote:

Hey Sivann,

What are you developing you application in? there's plenty of knowledge here but people may be able to give a more solid direction for you if we know what you are working with!

A thing I got easily confused with is making sure all my dependancies were in place within my app to sync it to the my database

Thanks :)

On Mon, Aug 6, 2018 at 3:15 PM, SIVANN KH <siva...@gmail.com> wrote:

Hello everyone!

I have already read the official doc of firebase, but I still don't understand how can I save(write) and get(read) data from firebase database. Can someone help me please...

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Kind Regards,

Edward Lawrence,

Head Receptionist,
Toni&Guy,
Promenade Level,
One Canada Square,
Canary Wharf,
London,
E14 5AX

N:0207 987 6222

e:edward.l...@gmail.com

Edward Lawrence

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Aug 7, 2018, 6:57:34 PM8/7/18

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Hey,

it depends what data you are wanting to read/write from your database, I personally don't use unity, so if you need specifics for that someone else may be able to help, but as an example of the current application I am working on a simple read/write is below, I am saving my users firstname/surname to their uid to be used in the app, which they enter on the registration form, so see below for basic usage for me:

Register form button

AppButton {

                        id: loginbutton

                        text: registerCheckbox.checked ? "Register" : "Login"

                        flat: false

                        anchors.horizontalCenter: parent.horizontalCenter

                        onClicked: {

                            loginPage.forceActiveFocus()

                            loginbutton.visible = false

                            registerCheckbox.visible = false

                            indicator.visible = true;

                            indicator.startAnimating()

                            if(registerCheckbox.checked) {

                                firebaseAuth.registerUser(txtUsername.text, txtPassword.text);

                            } else {

                                firebaseAuth.loginUser(txtUsername.text, txtPassword.text)

FirebaseAuth

onUserRegistered: {

            indicator.stopAnimating()

            console.debug("User login " + success + " - " + message)

            if(success) {

                loginDialog.title = "Success!"

                firebaseDb.setUserValue("Firstname", firstname.text)

                firebaseDb.setUserValue("Surname", surname.text)

                firebaseDb.setUserValue("E-mail", txtUsername.text)

            } else {

                loginDialog.title = "An Issue occured!"

            loginDialog.text = message

            loginbutton.visible = true

            registerCheckbox.visible = true

            loginDialog.open()

        }

Welcome Text
        Text {
                id: userName
                width: parent.width
                height: mainPage / 10
                text: "Welcome " + firstname.text + " " + surname.text
            }

Hope this helps a little!!
L!

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Kind Regards,

Edward Lawrence,

Head Receptionist,

Toni&Guy,

Promenade Level,

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Canary Wharf,

London,

E14 5AX

N:0207 987 6222

e:edward.la...@gmail.com

Anthony Maurice

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Aug 7, 2018, 7:16:17 PM8/7/18

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Hi Sivann,

I'd recommend taking a look at our sample project for Firebase Database, https://github.com/firebase/quickstart-unity/tree/master/database/testapp

In it, specifically in https://github.com/firebase/quickstart-unity/blob/master/database/testapp/Assets/TestApp/UIHandler.cs, it uses transactions, via DatabaseReference.RunTransaction to write scores to a database, and uses the DatabaseReference.ValueChanged callback to read from the database.

Also, be sure to check out the getting started guide, which covers how to get the project set up, along with some of the different ways you can read/write to the database, https://firebase.google.com/docs/database/unity/start

Specifically, saving to the database: https://firebase.google.com/docs/database/unity/save-data#saving_data

Reading from the database: https://firebase.google.com/docs/database/unity/retrieve-data#retrieving_data

SIVANN KH

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Aug 8, 2018, 10:42:41 AM8/8/18

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Thanks for you all's reply. But I want to know the trick. Ex. I want to save my coin to 'Coin' tag in firebase (any user just save to there ). And I want to get that data back. How I do ? Can Ex. for me 1, but don't ex. user account.

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Anthony Maurice

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Aug 8, 2018, 8:27:55 PM8/8/18

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So, to write, it would be something like:

Firebase.Database.FirebaseDatabase.DefaultInstance.GetReference("Coin").SetValueAsync(coin);

To read:

Firebase.Database.FirebaseDatabase.DefaultInstance.GetReference("Coin").GetValueAsync().ContinueWith(task => {

long coin = task.Result.Value;

});

This skips some of the error handling and such, but as a simple example those are the two calls you would want. Note that both return Tasks, https://msdn.microsoft.com/en-us/library/system.threading.tasks.task(v=vs.110).aspx, as they are asynchronous operations that can take some time to resolve.

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