How to set or implement automationId property to NavigationPage class or Navigation back button in xamarin forms? - xamarin.forms

I need to set AutomationId in the navigation back button in order to automate the testing. I am using Xamarin forms default navigation back button, so where I need to add the AUtomationId.
Please help me to solve this issue.

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picker popup long text wrap xamarin forms

I am using xamarin forms for my project.
I am using Picker in forms. When the picker items has long text, then it will wrap like multilines.
But it shows like below image:
I am using Renderer Page in android and add the below code:
Control.SetSingleLine(false);
But it is not working. Can anyone please help to resolve this issue.

Custom pop up like a picker in Xamarin forms

I want to develop a custom popup that works exactly like a picker. The only difference I am looking out for is that I want a view or page to be in the popup content rather than the basic picker items.

Have you checked Rg.Plugins.Popup ?
https://github.com/rotorgames/Rg.Plugins.Popup
You can create your own pages and choose where and how they will popup. Animations ,click to close, timeout closing and many other features are supported.

set background image for on/off position on switch button in xamarin forms

I am working on xamarin forms.
I want to use ON/OFF button. Instead of ON/OFF text, I want IN/OUT. Can anyone suggest me any matched UI for this one.

I am using CheckBox with image for this issue.

Xamarin.Forms Back Stack of NavigationPage inside Details view of MasterDetail using PRISM

I'm using Xamarin.Forms with PRISM. My app start with navigating to MyMasterDetailPage/MyNavigationPage/MainPage. From the master page, I want to navigate to page2 and have a back arrow instead of the hamburger icon. Pressing that takes you back to MainPage and the hamburger icon is back. I have tried navigating to MyNavigationPage/page2 andMyMasterDetailPage/MyNavigationPage/page2` but it seems to be clearing the back stack. There may be other pages that need the behavior that I'm currently seeing, so being able to configure the behavior would be ideal (not always one way or the other).

You need to implement the INavigationPageOptions interface on your MyNavigationPage and set the ClearNavigationStackOnNavigation property to false.

How to add context menu Xamarin.forms

I would like to create context menu in my project. On android it's called PopupMenu. On click of button, I have to show the popup with 3 rows and it's clickable event. How I can implement this in my code? Example of this menu here:
http://www.javatpoint.com/images/androidimages/popup2.png

The Xamarin.Forms way to handle this is to call DisplayActionSheet() on the Page.
It's not exactly a popup, but on the other hand it has better chances to be fully displayed and visible on screen if your view can scroll.

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