Questions tagged as 'firebase'

Tagged questions
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Fill Select in Html from the Firebase database

I want to know if there is an adequate form of code to fill a select in html from the Firebase database, that is, get the values I have registered in firebase and display them in the html select ... This is the select that I want to fill: &...
asked by 15.06.2018 / 21:25
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Help with Ionic and Firebase * ngFor

What's wrong in my code, I want to do a ngFor of a variable where by means of a push the variable is added to be later observable by the asyn and wait function of addToArray () this.data = this.AuthService.getData() getData() { return ne...
asked by 11.06.2018 / 04:36
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How to call a firebase data in Android Studio?

I need help, I'm doing a project where I keep a variable in the database of firebase, depending on this data I would send to another activity, I need to know how with an if (varibale > 60 or varibale < 60) send me to this activity.     
asked by 06.06.2018 / 00:53
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How to group elements by months in vue

I have a set of data similar to this: [{fecha: '01/06/2018', pago: '30', id: '-LDviH9T9XripkL64-8y'}, {fecha: '02/06/2018', pago: '20', id: '-LDviH9T93spkL64-8y'}]. How could I group the elements by months and add the totals? For example:...
asked by 06.06.2018 / 00:07
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Search for a field in firebase

I have my database in firebase as you can see here The user scans a product and brings you the number of this product, which is put in an input, then when you click on search you must bring the description and the value of that item an...
asked by 06.06.2018 / 19:51
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Firebase recyclerView

I have a recyclerView that at the moment shows me some data but now I want to change that data for others (title and photo), the question is that I have an array in between and I have no idea how to start, I leave the code and the database: O...
asked by 03.06.2018 / 19:25
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Firebase Android, I get notifications without sound

I have an android application with firebase messaging, the notifications when I arrive I show them with a personalized notification (sound, color, vibration, icon, ...). All good until there, when you have the application open, but now when the...
asked by 01.06.2018 / 22:51
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Download a file from Firebase Storage from Android

I am developing an application in which I want to be able to download a JSON file from a server and then be consumed on the device locally (in order to feed certain activities with information). This I do to be able to update the information...
asked by 31.05.2018 / 04:50
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Join two firebase tables or be able to represent the results in an ionic model object

We have a big problem when it comes to browsing the database and taking the data from firebase to ionic. We have a database structure in the following way: "dato" : { "dat01" : { "descripcion" : "Desc", "tem01" : true,...
asked by 29.05.2018 / 22:26
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Update multiple nodes in firebase

I'm using firebase with vue.js, the database let's say I have the following structure: alumnos: { idkey1:{ datos... asistencia:{} } idkey2:{ datos... asistencia:{} } } What I want to do is send the updated data of the a...
asked by 29.05.2018 / 22:08