Xamarin and Firebase Picker Data - xamarin

I have a one picker and I have one Firebase Database. And I wanna add data my picker.
How can I add data from my firebase database in a picker in my Xamarin form ?

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How to highlight the asset on Autodesk forge viewer

Currently we are working to integrate the Autodesk forge Viewer to display the REVIT file in our web application.
Also we are getting the asset details in a json format by using Model Derivative API.
Then extract the asset details from JSON file and store it in the database. Then we bind the asset details in tree view.
On clicking the particular asset in tree view - the selected asset should highlight and zoom in forge viewer.
Kindly share any c# sample code to highlight the selected asset (in custom tree view) in forge viewer.
you can use the below code to highlight the asset
pass the dbID:
this.viewer.fitToView(dbID);
this.viewer.isolate(dbID);

Multiple Data Template list view specific for Chat

Can any body provide solution for the Multiple data template view in Xamarin forms to create chat structure?
Check temple selector for list view to make chat app
https://learn.microsoft.com/en-us/xamarin/xamarin-forms/app-fundamentals/templates/data-templates/selector

Sortable table in nativescript (angular2)

I want to port a piece of UI I've already coded in an angular2 webapp into a nativescript (angular2) app for android/iphone.
The angular2 web app has a scrollable table with sortable columns and the results in the table can also be filtered via a text input. Here is a screenshot:
How would you build a scrollable, sortable table like this in nativescript?

How can i implement facebook like newsfeed in my application in android?

I want to develop newsfeed for my application. I have taken viewpager as listview row item and loading images from server into viewpager. But main problem is that all viewpager loading same images. How can i solve this issue?

how to show only shared files in google picker popup

I am very new to google picker and any google apis.I have integrated google picker api successfully in my project.But I want to show only shared picture in picker popup.Is that possible?
If you mean showing pictures that is owned by someone else and shared to you, you can use
DocsView.setOwnedByMe(boolean | undefined)
From the documentation at Google Picker Reference
Filters the documents based on whether they are owned by the user, or shared with the user.

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