Windows 10 icons missing in the task bar - window

On my laptop with Windows 10, 2 thumbnails are missing in the task bar. The 2 applications are pinned to the taskbar but the thumbnails are not visible.
To be more specific. It's the Edge and Store thumbnails.
The empty spaces in the task bar show where icons are missing

Your question is unclear. If I understand correctly, you are saying that your Edge and Store thumbnails are not displaying correctly and instead you have a broken thumbnail in place.
You probably just need to rebuild your icon/thumbnail cache. Here is an article on how to do it;
http://www.thewindowsclub.com/rebuild-icon-clear-thumbnail-cache-windows-10

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Can't seem to get unplated in UWP

Update: 20 May - Just want to make it clear what I'm looking for, this photo shows what I mean when I mention the "AppList" https://www.flickr.com/photos/143242909#N03/27002577792/in/dateposted-public/
I still can't figure it out.
I've been messing around with the UWP in Visual Studio 15 with Windows 10 and trying to learn how to get the package manifest to display the best possible logos and icons for an application.
But I've hit a snag.
I want to use unplated icons for the taskbar and start menu. I created icons at every unplated size available, and the designer keeps placing one in the 44x44 slot. I've tried using it, renaming it, editing the package manifest in notepad...
The taskbar icon comes out fine and unplated... the one in the Apps List (Start Menu) insists on being plated.
When I try editing in notepad and renaming the 44 to:
Assets\Square44x44Logo.targetsize-44_altform-unplated.png
I get this error:
Image path contains one or more MRT qualifiers, which is not supported. Remove the 'AlternateForm' qualifier with value unplated and retry the operation.
Has anyone succeeded in getting an unplated icon to show up in the Applications List?
Please read Guidelines for tile and icon assets
Target-size list assets without plate
These are assets that don't get plated or scaled by the system.
File name format: AppList.targetsize-_altform-unplated.PNG
Impacted apps: Every UWP app
Uses:
Taskbar and taskbar thumbnail (desktop) Taskbar
jumplist Task view ALT+TAB

iPhone 6(s) plus not scaling new application correctly for some users

I have a brand new Swift 2.0 XCode 7 Storyboard based application.
Target is set to 9.2. I'm currently supporting any device with GPS that can run ios 9.2
I started with the Tabbed View Template and I'm working in wAny and hAny and a single Storyboard.
It works fine in the simulator on a bunch of phones, both orientations and works fine on my 6s plus, 6s, 6 plus and a 5.
But for some users the scaling is wrong and everything comes out squished.
Even in landscape mode the TabBar Icons are very close to each other.
Narrower than even on my 6s plus in portrait.
I believe this is caused by my application not having a Launch bitmap.
My understanding is there are two ways to implement this.
Launcher .XIB/.NIB with half a dozen specific sized bitmaps attached. Or a StoryBoard Launcher with ... exactly what.
The "Or StoryBoard" is a little vague. But I wanted to keep things using the modern approach since this app is new and targeted users tend to have the latest device.
So I created my Launch Image set and tried to attached it to the UIImageView in the Launcher StoryBoard. It won't list items that are tagged as "Launcher Image Set". It will show other Image Sets and Icons. But not the ones specifically for Launcher. It shows an "L" in the xcassets list next to the Launcher Image set. I believe I have the build project setting set correctly and it looks perfect on many of the same exact devices.
After some digging, I read that if you use the "StoryBoard" method you don't need the 6 or so bitmaps anymore. You can put anything in the Storyboard Launcher View and treat it just like you would treat your main storyboard.
So I did that. I just centered a small image.png file in the View of the Launchers Storyboard. Works on all simulations and my iPhone 6s plus. I did not pin it to the edges because that would mess up the aspect ratio of the image.
A very small set of users still have the issue and one of them even uninstalled and reinstalled.
I tried playing with setting phone Zoomed, Normal, Text Size, Bold etc. They all work. Users also don't have anything out of the ordinary on these system settings.
So first, do I need the 6 proper sized bitmaps or not? I read conflicting info on this.
If I want to use the 6 images on a storyboard how to I get them in the UIImageView of the Launcher StoryBoard if they won't list? Should I put them in a regular image set. Does the "Launcher Image Set" only work for the for the Launcher.XIB?
If it's not the Launcher window, what else could it be causing this?
I know I could create a XIB/NIB with the 6 bitmaps. But that seems like I'm going backwards and I don't care about old OS versions or older phones.
I think I found my answer. When using a Storyboard Launcher you cannot use a "Launch Image Set" for your Launcher Storyboard. You have to use an Image Set.
This is the best Video I found that covers it A-Z.
https://www.youtube.com/watch?v=Vz6tCgXgZFo
It also didn't fix my initial problem. Which I'll post separately. It scales correct in Portrait but not in Landscape for hand full of users. Using the same hardware as others that it works fine on.

iOS: What size and how do Iinsert icons for my app in Xcode?

I'm confused now. When I checked the developer homepage of apple I found certain dimensions for icons (such as 29x29,57x57,58x58) etc. I hired a friend of mine to make these icons and launch images. However when I go now to project settings in Xcode I find only the dimensions 120x120 for an icon (and only retina).
So my questions:
1. Where do I set my icons, launch images (duration of launch image) etc. correctly?
2. What are now really the dimensions needed? I'm confused since I have now obviously all wrong image sizes...
these are the images that you need, Xcode 5 in "general" you can insert all image, or you can use Asset Catalog, anyway the size of the icons are as follows::

How can to see off screen content at design time in Blend or VS for Windows Phone 7 or 8

I am designing a long Windows Phone 8 page. It is very frustrating that I can't see most of it in the design visuals.
I was wondering if anyone knows a way of being able to see the content visually, at design time, of either the bottom of the page (i.e. scrolling up in the designer), or preferable to be able to see the whole page.
I know you can turn the chrome off, is there any way to turn the view windows masking frame off?
This also applies to trying to see a whole panorama view too!
Thanks
Try temporarily collapsing the controls which are above the controls which is getting off screen. Later you can set that control to required dimensions again.
Instead of removing d:DesignWidth & d:DesignHeight from xaml root tag, just set these values high enough such that all of your content gets displayed.

How to handle screen rotation on windows 8 application

i was wondering how can I handle screen rotations for windows 8 applications using c#?
I want to create several xaml files and just change them every time the screen orientation is changed. Is that even possible?
You can use the Device Window in Visual Studio to record state changes to your UI elements. In the Device Window you can select the other visual states (namely snapped, full screen portrait, full screen landscape, and filled) and then make the changes you need for the desired end state. Those changes are then captured in the VisualStateManager that's part of your XAML file. The obvious benefit here is that "it just works", you don't have to detect orientation state yourself or do any fancy XAML replacements/substitution.
Step 3 of Navigation, layout, and views tutorial has an example of this - granted, it's pretty simplistic, but should get the concepts across.
Open AppManifest file in your project and select the desired orientations .

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