Questions tagged as 'firebase'

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How do I download a file that is in Storage by my app (Adnroid Studio)

I took a look at the documentation provided by Firebase and even then I did not understand how to download a file that is in Storage by my app using Android Studio, can anyone help me?     
asked by 13.10.2018 / 17:49
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Problem retrieving values from firebase to list

I am making a list, and in this list I pull the following information id, idPost, description, userName and photoUser. But to popular (add) data to this list I'm using the following code snippet inside an activity: itensSalvosRef =...
asked by 15.11.2018 / 12:47
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How to get data from an observable firebase?

I have a list that loads from the firebase. This list has 3 attributes, value, id, and date. But I'm going to need to capture just one of these attributes and mount an array with them, so I can do a math calculation, so I need to extract the pro...
asked by 05.11.2018 / 03:22
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List returning null values

I'm doing an item listing, in that listing I bring the following information id, idPost, description, userName and photoUser. After setting the values, I checked them and I'm all displaying correctly, but when I try to display it it shows as...
asked by 06.11.2018 / 17:50
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File sent to firebase has 0Bytes

I have a problem, I can send the pdf to the storage, but it is arriving with 0Bytes. I am not sending any files, but inside this structure I would like to know how to get the uri from the pdf file. private void uploadFile() { try {...
asked by 25.09.2018 / 02:43
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Simple search FIREBASE

I'm testing on firebase and I'm having trouble recovering bank data with JS. The table structure is as follows: Scores - key - name - points - key - name - points What I want is to return the s...
asked by 05.09.2018 / 18:58
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Where in strings list does not work Cloud Firestore

I am not able to return documents from a collection where this document has a field called tags which is a list of strings with the tag ID. Below is the code I'm trying to do: document = this.afs.collection('todos', ref => ref.where(...
asked by 19.07.2018 / 17:40
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Storage firebase in android studio

I'm starting in programming for android and I have a project in android studio that creates photo registration, I added the firebase and I do not know how to create the code to send this data with photo, name ... if anyone can give me an example...
asked by 18.07.2018 / 20:17
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Optimize actions of Firebase Realtime Database and Firebase Storage

How can I optimize the user experience and application fluency when I am, for example, reading data from Firebase Database or even downloading Files from Storage? Using runnable's to handle processes or are there other more efficient ways to do...
asked by 17.07.2018 / 20:44
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How do I add the Firebase API to my android project? [closed]

I was searching on and found it quite interesting, but I do not know what is needed and how to use it     
asked by 28.06.2018 / 01:58