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Twitter: @CEDriverWiz

Visual Studio Target Problem: Exception 0x89721500 (Solved)

Problem:

I lost the ability to set the device Target so can’t download a UWP app to a Windows Phone or IoT-Core device.

In App Project Debug Settings I got an error:

An error occurred trying to load the page.

Exception from HRESULT: 0x89721500

XAML Layout for a Dictionary–Part 2

The previous post outlined in an XAML UI using a ListView how to display a List of instances of a class of public properties using data binding. Layout and padding issues were examined as well as binding to a dictionary of objects. This article covers programmatically adding elements of a collection to an XAML UI.

XAML Layout for a Dictionary–Part 1

I had a Dictionary of values that I wanted to display in an XAML UI as part of a UWP app. My initial foray was to use a ListView with a binding to the dictionary  ListView.ItemTemplate/DataTemplate. The dictionary was then bound to the ListView’s ItemsSource. The problem with the ListView is that there is a lot of padding between items vertically and within items.I wanted to compact the rows of data vertically though as if I had manually placed each dictionary item (key and values) in a grid of rows of TextBlocks in a row (one row for each item). This article discusses my trials and tribulations with this issue and includes my final solution.

Build 2017 Sydney

The last leg, of 8, of the world Build tour was held in Sydney this week. What can I say .. it was great. A lot of new and coming Creators features were covered, Insight into the latest Windows technologies was dished out. Here are some of the highlights and summary links.

Silverlight is Dead. Long live UWP!

 

In a discussion about the demise of Silverlight, I came across this succinct dichotomy (as a diagram) of “Modern” apps in the Windows Mobile context.

Bluetooth Low Energy on Windows 10 Creators Edition and a RPi3 issue.

Several months ago I published a UWP app on GitHub that interacted with a Texas Instruments CC2650STK  SensorTag using the Bluetooth Low Energy (BLE) API.  It was based upon a previous Microsoft sample UWP app for interacting with an earlier TI SensorTag. Whilst the new app ran well on the Windows 10  Desktop and Windows 10 Phone, it was found to be erratic on the Raspberry Pi3 running Windows 10 IoT-Core.. working well some times but errant other times. Windows 10 Creators Edition added a key feature to BLE, namely the ability to connect to a device that is advertising without being paired. This blog examines the erratic nature of the RPi3 with BLE and investigates whether this is solved with the Creators Edition. In so do a comparison is made between between BLE Paired and Unpaired connectivity in the UWP app development context..

Is "IoT Security" an Oxymoron?

Last night I attended a Meetup on Cyber Security with a IoT context sponsored by Kerpashky Lab. It was a great night with hosted by a female with three well credentialed females as the guest panelists. There was a interesting presentation on Cyber Security followed by a Q&A with the panel. This rhetorical question occurred to me.

Win 10 Phone running hot – Short battery life: Solution?

My Lumia 930, on the Windows Insider Fast Track started running hot and flattening the battery in about 4 hours, before Christmas after the most recent update.Sad smileThumbs down

I provided feedback but could not find a solution.  Final solution I found that worked was to do a a Factory Reset. I backed up my data first. On reset I let it reinstall my previous apps that were installed etc. SmileThumbs up

Publicise your GitHub IoT Projects

The ms-iot Community Samples site is now open for business. You can list your existing projects on the site along with meta information making it searchable.  http://www.sportronics.com.au/ms_iot_Community_Samples

Outlook Custom Domains: You have to use Office365 now!

As of early December, as per a partly relevant message a few days ago, you can’t use Custom Domains from Office Outlook and Windows Mail apps. You have to migrate to Office 365.

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