Questions tagged as 'firebase'

Tagged questions
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How to return function value inside a firebase call?

I'm doing an html page that lists the issues logged in the firebase. If you can help me how do I get the function "getOpc" to return "listing" Firebase: - LGf4NE9IRvQlT089uQR --item: \ "Default select 2 \" --options --0: \ "Paris \" --...
asked by 25.07.2018 / 23:16
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Return firebase values from a service to angular component 6

I'm creating an application with angle 6 and firebase using angularfire2, I chose to use the firestore where I have a collection called pages like in the image: I basically created a service - "PagesService" where I have a function that re...
asked by 24.07.2018 / 15:21
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Connect the Firebase authentication user with data in batabase realtime to angularfire2

I have a feed, when the logged in user shares a news, it goes to my feed with the name and photo of the user (like facebook) but, if the user changes his name or photo, the news that have already been will not change just the next news! I want t...
asked by 24.07.2018 / 18:34
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Error emulating App on Samsung

I apologize if this error has already appeared, but I was unable to resolve it in my app and the previous responses did not work. I am developing a activity that shows in a ListVew the items registered in a specific table of the fi...
asked by 22.07.2018 / 15:36
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Set MatDatePicker component format

How to set the format of the DatePicker component in Angle 6. In my Angular 6 app, I'm working with the Cloud Firestore database of Firebase . When performing a document query, when the document has a field of type Timestamp retur...
asked by 21.07.2018 / 15:57
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Sort ion-list by date

Good morning, I'm studying IONIC with Firebase and created a simple list where I want it to be sorted by update date. In the image we can see that the date is the same as it came from Firebase. Itriedtodothis:pedidos:anyconstructor(){//Initiali...
asked by 14.07.2018 / 16:16
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Consultation with ionic and firebase

I am trying to make a query in firebase with ionic and am having the following error: Thefontlookslikethis:import{Injectable}from'@angular/core';importfirebasefrom'firebase'import{RequestModel}from'../model/order.model'@Injectable()exportclassR...
asked by 12.07.2018 / 05:25
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filter data on a node using a reference

Hello. I am creating an application with Firebase and Angular 4 and I am not able to create a filter of the information, someone could give me a light on it. I have a guide list. and I want it to bring me just the data with the local Suzano b...
asked by 13.07.2018 / 02:18
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How to make a filter in the firebase query with angularfire2

I'm trying to bring from firebase only TCPs with level 4, using indexOn and angular fire, but still it always comes empty.     
asked by 18.07.2018 / 13:20
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Preferences created in Android Studio with connection to Firebase are not persisting

We've just started to develop an application. We chose to connect to the Firebase database using an email user and password. Normally login and create new users, however, my Preferences class is not saved, and every time I close the application,...
asked by 08.07.2018 / 21:16