Most voted "firebase" questions
Firebase is a platform for real-time storage-based application development and data synchronization using client-side code only.
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answers132
viewsRestsharp connected with Firebase but shows no result
I did a job in C# and now I need to connect this service with my bank on Firebase. The following is the method in Library for connection with the Firebase: public static void restAPI() { var client…
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answer90
viewsComparing data returned from BD
I have a problem which is this:: When reading the data from a given Firebase node, I get an undetermined String number. The name of each String, is the ID of the User. When returning this data, save…
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answers274
viewsFCM with token registration in Firebase database
Hi, I’m having second thoughts about using the FCM. I’m storing the token generated in the app by fcm in the fire database itself, in order to send the messages of a webservice also connected to the…
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answers79
viewsDoubt of Firebase
How do I save the Log Snippet. and in firebase? or instead of logging into a way to save to firebase? in case this code takes the number of Childs in firebase and shows in log, I tried and could not…
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answer694
viewsHow do I edit a Child in firebase?
In the case then I make a comment and recover, I wondered how to edit this Child,the comment carries more information as user uid photo and name... more not put here.…
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answers257
viewsProblem recovering with Firebase
What is happening is this, when I click the button(mLikebtn) it adds 1 value to Child Like in firebase if I click again remove(Mechanics of Like same)... the problem is when I leave the current…
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answers262
viewsFirebase, Parse-Server or "in the nail"
I have a school project and my team will use the mobile solution with a backend side, in the backend we have a problem, whether we will "do" and configure everything, which is to set up and create a…
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answers133
viewsTwo different types of registration with firebase
Hey, guys, I’m having a hard time putting together a registration system with two different users, I’d like to be registering an Adm user and a common user, however I am displaying the data in a…
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answers49
viewsAutomatically delete data from BD the next day
I am with this doubt and I do not know how to develop, you could help me in this case? The user would put for example: Street traffic 17 hours and save in the bank. The next day, this record would…
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answer481
viewsImage Upload with Firebase and React Native using RN Image-Picker
I am using the React-Native-image-Picker component to capture an image that must be saved in firebase. I’m using the following code: firebaseApp.storage().ref('/images/').child('teste')…
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answer52
viewsKeychain Sharing/Failed to create provisioning profile - Xcode
I have this error message when I try to create provisioning profile : Failed to create provisioning profile. There are no Devices Registered in your Account on the Developer website. Plug in and…
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answer90
viewsAngularfire crashes browser when saved
Hello, I’m running some tests on Angularfire, and every time I save an object at the base, the browser crashes. The screen is even updated but I have to stop running the tab and refresh the page so…
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answer85
viewsHow to get gender from a Google user in an app using Firebase?
I am developing a native Android app and the way of authentication is through the Google profile. I would like to get the gender of each user, at the time of signup, to check whether it is male or…
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answer1104
viewsHow to receive all images from Firebase Storage and display in a listview
I have several images captured via camera or gallery that was uploaded via app in Firebase Storage, using Glide I can display images, but only manually (added one by one in the hand), and my…
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answer84
viewsFirebase user authentication
I use the firebase password and email authentication feature, but I wanted to get more user info as a phone. You can do this?
firebaseasked 7 years, 4 months ago IMoonBlackI 364 -
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answers557
viewsfirebase hosting does not understand my school domain.sjc.br
Recently a new domain category appeared in Brazil sjc.br so I went and bought escola.sjc.br but when I try to link this domain to firebase hosting it just understands how sjc.br my doubt is whether…
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answer1251
viewsCan’t Convert Object of type java.lang.String to type
I’m trying to get lat e lang which is saved on firebase and recover on map, mPost_key is the uid user , this code works, more than this error when I put mPost_key , we use this same method…
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answer49
viewsEN (Spinner) Firebase Exception: Found Conflicting getters for name: getAdapter
I am making an application where I choose a number in the spinner and write that number in Firebase. this giving the following error: details about the spinner and how I’m recording in firebase…
firebase android-adapter spinners getters-setters realtime-databaseasked 7 years, 7 months ago Garcez 31 -
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answer250
viewsRetrieve key and specific field value in Firebase
Please, I would like to retrieve only the key and email from the list, ignoring the other "fields". I wish I had a list, without uploading all the values of all of us, like I’ve been doing lately.…
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answers72
viewsHow to check the value in 3rd layer in Firebase with angularfire2?
I can check the values up to the second layer, when it arrives at the third place where the array of objects comes, I cannot print the key value "fileName" How can I return the value for the…
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answers275
viewsHow to create a configuration screen in an Android app that appears only at the time of user registration?
I’m developing an app android with Firebase authentication, I need to put a screen in which the user will define a "nickname", but it must be immutable. So, this screen needs to appear right after…
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answer325
viewsFirebase Removevalue
I’m tending to keep a list on the id firebase... the intention is when press the follow button if you don’t have the id in the firebase add the id and if you have removed the id. I can only add and…
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answer924
viewsFacebook and Google Authentication in Firebase - Android Studio
I’m developing an Android app, with Android Studio, using Firebase initially for user authentication. The code is quite extensive, so I won’t copy it here, but it’s available on Github. Already…
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answers125
viewsFragment updates when I select data in Firebase
I have 3 fragments inside a display pager and, whenever my database changes, it restarts the fragment. Tabadapteradvertiser class package com.example.fernandosilveira.findpromotion.Adapter; /** *…
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answer1226
viewsHow to create an object and fill with data returned from Firebse?
Gist Referring to the question I have an Event class, and a method q is called snapdbEvents(), but when I put the object inside and try to define the values of the variables in the object occurs the…
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answer59
viewsvuejs vuex firebase
with a problem to mount my next firebase reference export default { firebase () { return { gastos: db.ref(`user/${this.uid}/shop/`), } }, computed: { uid () { return this.$store.getters.getUser.uid…
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answer98
viewsError while recovering data from Firebase Latlng
I want to capture latitude and longitude of data that is in Firebase and add as markers in Google maps. I am receiving null error Object Reference on line 136>> String latitude =…
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answers65
viewsError recovering data from firebase with Xcode
I am error to recover information from firebase, check the codes: From what I understood in the mistakes I am doing something wrong to recover the data, must be something with the data dictionary...…
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answers198
viewsFirebase - Filterable - Search View
I’m developing an app, I use Firebase as a database to store registered customers. So I have a Listview that shows these clients, shows their name and number. What I need to do is a search, put the…
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answers298
viewsUpload firebase information to Recyclerview - Android Studio
My app stores customer information in Firebase and downloads it to a Listview, but I need to do a search with the information in Listview. I was told that the best way to do it is to use a…
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answer1166
viewsexample of how to popular a spinner with firebase data
I’m having trouble popular a spinner with firebase data... is as follows: I have an "Activity room" with registered rooms and listed in a listview, saved in firebase... I created a new "Activity…
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answer1316
viewsGet the value of my generated id with push in firebase
How do I go through these ids I generated through the push and that I can get the value of this id I will need to use for the time q the user click on a list I pass this id parameter to another…
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answer858
viewsKeep login active on android app (firebase)
Good morning, I’m having a difficulty, I made an application using firebase Authentication and every time the application opens asks login, as I keep this login active after done and open the…
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answer119
viewsSome kind of alert with Firebase
I developed an application where users access and can save some things (name, address etc). These settings are available for an administrator user to view and modify if applicable. I am using…
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answer359
viewsfirebase.auth(). currentUser returns null when reloading the page
I’m developing an application with angular2 + angularfire2 + firebase, I am facing difficulties in implementing authentication, I was able to login and logout, but when the page is reloaded I lose…
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answer173
viewsPopular Listview with Firebase Data
I’m trying to input my Firebase database into a ListView, but to no avail. The database contains a "main node", called "occurrences" and inside I have some information, which I wanted to make…
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answer1040
viewsReceive a single data from a Firebase node
I would like to know how to recover from Firebase a single data from Firebase, I used the structure of Eventlistener mounting the object and pulling only one of the data, but when running the error…
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answer327
viewsAdd items to the top of Recyclerview with Firebaserecycleradapter
How do I add items to the top of a RecyclerView using the FirebaseRecyclerAdapter? By default, whenever I add an item, it goes to the bottom of the Recyclerview list, and I want it to go to the top.…
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answer188
viewsReturning the firebase Father node
Hello guys I’m having a doubt on how to catch the parent node that would be in the case of the image o -Kt... I made some codes but not right. protected void onCreate(Bundle savedInstanceState) {…
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answer818
viewsSort from the latest to the oldest in firebase
Currently I am able to sort the publications by date, but as they were saved by timestamp, it is always displayed from the oldest to the newest, I would like to do the reverse, with the newest…
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answer143
viewsAndroid & Firebase Async tasks
I have a class Java that I overwrote the method toString() within this method before returning I consult firebase and fill an object. My problem is the following return of toString() ends up being…
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answers92
viewsIn firebase, how do you read the value of the users' "Created in" metadata?
I intend to get the date of creation of the user registration in the application, to compute a trial period. I thought about creating a Function cloud to feed a variable with this value, which would…
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answers601
viewsFirebase - Child inside another Child
I wonder how I can put a Child inside another Child in the firebase, for example, create a Child that calls "Company" and inside that Child put other Childs with each headquarters inside, I do not…
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answers420
viewsRecover data from firebase
I’m creating an app with react and currently need to recover some data from database using the library of firebase, for this I created a module that performs the configuration: Filing cabinet:…
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answers26
viewsFirebase path reading (true)
I have a question regarding reading in Firebase on paths true. My bank is structured this way: "servicos"{ "servico1" : { "nome" : "servico1", "desc" : "este é o servico1" }, "servico2" : { "nome" :…
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answer502
viewsHow to save form in android studio and send to firebase
I have a simple form, with name, surname and age. I want to send the data entered in editText of this form to firebase. The solutions found on the web smp refer to login forms which leaves the code…
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answer381
viewsConsultation at Firebase
Guys are using firebase for the first time, and I have a problem. I want to make a query in database 1x but on my console it appears that you have been consulted several times. var contador1 =…
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answer190
viewsapp ordering development, android firebase
good evening guys wanted to ask a question, I’m developing an app, and use firebase but I’m kind of layman still in programming, in order wanted to know if there is any way to sort the data that…
android database firebase classification android-recyclerviewasked 7 years, 2 months ago Eder Rodrigo Coffani 25 -
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answers212
viewsDoubt with creation of projects in firebase
I had several projects in firebase and when I went to create another fired this message: Missing 3 projects to reach the limit, even if I drop them all, which is what I did and the message…
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answers374
viewsChange item color - Recyclerview and Firebase
I need to change the color of a Linearlayout, as a query to Firebase. Bank structure: USUARIOS - ID_USUARIO ---AGENDAMENTOS -----nome: João -----lastview_usuario: "1506816888384"…