Blackberry 10.3 native SDK installation not proceeding - stuck at 28% - blackberry-10

I have been trying to install blackberry 10 native SDK for the past two days, the progress bar has just stayed on a point and I don't know what to do. When I cancel, and then go to the update center to do the installation it moves on and also get stuck at a particular file (fetching bbndk:win32.libraries.10.3.0.698.zip).

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Ionic how to check the app is installed for the first time

I am using Capacitor to build ios app, I am looking for a way to detect whether this app is installed for the first time (not deleted and re-installed again).
I didn't find any relevant capacitor/cordova plugin for this. Any advice would appreciate.
Reason why I am asking:
I want to implement a feature for in-app-purchase, where some "special discount" is only applied for the users who downloaded this app for the first time.

watchOS update apparent failure

I am having problems updating to build 13S5325c, although all installations have worked fine previously.
After following both procedures as set out by Apple:
mailing the downloaded configuration profile to the iPhone and installing from there
downloading directly through Safari on the phone
the profile shows in the Apple Watch App > General > Profiles.
On tapping Install, all seems as it should be, the only suspicious point being that Apple's docs state that there will be an Apple Logo and progress bar while installation takes place. Instead I see the activity indicator for a second or two.
Then I am offered a restart of the watch, which I select.
When the restart is done, I still see build 13S5305d.
I have checked that I am downloading the most recent profile. I am using iOS 9 build 13A4325c. The watch is charged and attached to the charger.
Worked when installing after 'new version available' badge appeared, i.e. without recourse to the developer website page.

No progress indicator on Bluemix MQA "Install" of updated iPad app

We're using Bluemix to distribute our app over-the-air (OTA). The first time we used the "Install" button in the email, there was no progress indicator, but we could live with it because we knew that installation was complete when the icon appeared on the iPad.
However, when we did a later update of the app and "Install"ed, there is no indication of when the app has completed downloading, and, since there is already an icon on the desktop, we can't figure out if the new app has downloaded.
Our workarounds are
just wait a long time and hope that the app has downloaded
uninstall the app before we "Install" the new version
I hope I'm missing some other obvious indicator that the app is being downloaded/install. Am I? Or is there install-in-progress indicator when using Bluemix MQA?
We have released the fix for this and you should see the progress indicator on the app now when you do over the air distribution.
iOS 8 changed something that was working in previous iOS's when you install OTA builds you no longer see the icon installing on the device. I am opening a request to have this corrected for MQA.

Why would my side-loaded Windows Store app go no further than the splash screen?

I have a Windows Store App that, of course, runs fine on my dev machine.
After creating the package to side load for testing, I installed it on another (desktop) machine. Using the instructions for side-loading contained on pages 25 and 26 of Brundritt's free ebook "Location Intelligence for Windows Store Apps", my app seems to install just fine, except that the app is not added to the Windows 8.1 start screen at the end, as expected.
Nevertheless, I can find the app via the Search functionality - I type the name, it shows up in the "found" list (with its logo), but when I try to run it, the splash screen simply "flashes" and then the app disappears. It icon is indeed parked on the taskbar, and every time I click it, the splash screen flashes, but that's all.
This is a Windows 8.1 app that contains a Bing Map, SQLite (and sqlite-net), as well as ExifLib.
It does show up in Task Manager's "App History" tab.
How can I rectify this problem, or at least determine what the problem might be?
UPDATE
This may (or may not be) significant: the version of the app I sideloaded was built in debug mode. Do I need to build in release mode for this to work?
Also: After building in release mode (for the first time) on the dev machine, it no longer finds the SQLite data that had formerly existed. Does changing from debug to release change the path to the database or something?
Does this help? http://blogs.msdn.com/b/vcblog/archive/2012/09/28/10354327.aspx It appears that the app needs to be built in release mode to work properly.

Developing a google play app with HTC Desire

I've been a Java developer for 6 years, but this is my first foray into Android, and it's not going well.
I've set up a simple example app which uses google maps api v2 - it's just a single page: I copied it from one of the many helpful sites on this topic.
I then discovered that I can't run it in an emulator since it uses the google maps api v2, which requires google play. So I bought a device (HTC Desire).
Now the device doesn't show up in the eclipse run configuration. It shows up with ./adb devices just fine.
I thought maybe this was because the device is on Android 2.2, and my app has minimum OS level of 4.2. So I tried to upgrade, but I couldn't work out how. In the software / update section on the phone it just says 'no updates available'. Can this be right?
Ok so assuming I can't upgrade the OS (in which case the phone is now useless), I modified the project so the minSdkVersion is now 8. But now my project won't build!
Errors include 'No resource identifier found for attribute 'showAsAction' in package 'android'' - what does that even mean?
And to cap it all the device is now doing the 'buzzing 7 times instead of booting' thing. I can access some menu called HBOOT, and selecting RECOVERY just reboots the machine, which fails.
So now I've spent £50 and several hours, and I haven't even got as far as hello world - just a bricked phone.
What am I doing wrong? Can Android dev really be this hard?