How to pop up a key board when click on textfield in unity? - unity3d

I am new in unity. Now I want to share with you my problem.
I create a page where I draw a textfield and a button. I want to show keyboard when click on textfield and also when click on the button the keyboard will not be visible. Please give me some link.

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How to implement "hold and drag to select an option" functionality in Flutter?

When user long presses the widget, I want to display a pop-up menu with some options, and in order to select an option, user should drag their finger to that option and release their finger. Just like on Instagram when you long press a picture, you drag your finger to like button to like the picture.
Is there a way to do this? Thanks in advance.

Button obscured by another Button can't be pressed

There are 2 buttons - Button A and Button B.
Button B is situated on top of Button A.
Button B has it's Button Component removed.
I want the user to be able to click on Button A even though Button B obscures it.
How can I achieve this?
Not sure What is your question but if you want to click start button while air button is above it. you should disable the option on button called Interactable and also uncheck the toggle in image component of that button called Raycast Target. and that will do it.
Of course Button B button will block the one underneath it. Because Image component and Text and/or other Image component that button has blocks raycast to the button underneath of it.
You can do one of the following:
Remove your Button B button, because if it's not doing anything and actually interferes with a behavior you want then why have it in the first place? Think about it
Uncheck Raycast Target in your Button B button's Image component
Disable Image component of Button B button altogether
Thinking about first item on the list will benefit you greatly.
If you want a solution then use second or third option on the list, but bare in mind that unchecking Raycast Target or disabling Image component of your "Air" button still leaves an Image and/or Text as a child of aforementioned button that CAN and WILL block raycast to your Button A button.

Flutter-web: Dialog with relative position to button

I'm using flutter-web and I'm trying to create a widget that contains emojis, and when the emojis' button is clicked, a dialog must pop just above the pressed button. I don't know how to position this button. I'm posting a screenshot of an example from messenger, in order to be more clear.
Can anyone please give me hints of creating this dialog? Thank you for your time.

popover view for a status item not responsive to mouse movements

I have been struggling with this and could not find a solution.
I am creating a statusitem app for mac osx using swift. When the item is clicked a popover with a custom view that has a webview in it appears. everything works fine except that after clicking outside and the popover is closed and clicking again on statusitem to show popover this time the view (webview) is not responsive to mouse movement events like mouse hover a link etc.. unless I click inside the popover to activate it. I found a solution by calling NSApp.activateIgnoringOtherApps(true) but this greys out other opened applications like chrome.
Now my question is that, can I make the app active without greying out other apps? dropbox mac app is an example, clicking the item in status bar, opens the popover of dropbox and its responsive to mouse events but other opened apps in the background are not greyed out and they are responsive to mouse movement events, even after clicking inside it doesn't grey out other apps unless a window appear e.g. preferences window or login window. How to achieve this behaviour?
this image shows how webview is not interactive with mouse
the second image show how it is interactive with mouse hover effect on "Advertising Programs" but chrome app is greyed out

close/hide keyboard on tap outside keyboard in phone gap

i want to hide keyboard on tap event other than keyboard i.e. if i click outside keyboard or on button it should hide. I am using phonegap / cordova with jquery mobile.
please help.
I got solution for this.
I had issue with closing keyboard.
I added code as $("#id_of_textbox").blur();
in tap event on all buttons wherever possible on that screen.