[Interest] Using QtQuick Controls 2 on android

[Alexandru Croitor]

If my memory serves, it used to work about a year ago with Qt 5.5 + Quick Controls 1, because I tested a QML app on an Android emulator. Don't know what changed now.

On 31 Aug 2016, at 18:43, Wolfgang Baron <Wolfgang.Baron at gmx.net<mailto:Wolfgang.Baron at gmx.net>> wrote:


Your comment about the shader errors made me think. I grabbed a physical android device and voila, it worked. Apparently, the AVDs provided by the AVD manager are just not good enough for running QtQuick (yes, even QuickControls1 etc. don't work, just a white or a black screen). Maybe I clicked on the wrong device or the wrong options?

Is there no way to create a QtQuick enabled AVD?

What's the point in having AVDs at all, if all I can do with it is run Widget apps (not very usual on mobile devices) or system services?

Thanks Mitch for your helpful comment!

Am 31.08.2016 um 13:52 schrieb Mitch Curtis:
I dunno about the shader errors, but what if you add qputenv(“QML_IMPORT_TRACE”, “1”) at the beginning of main.cpp?

It looks like the material style etc. plugins are deployed, the QML engine just can’t find them when it tries to import them.

From: Interest [mailto:interest-bounces+mitch.curtis=qt.io at qt-project.org] On Behalf Of Wolfgang Baron
Sent: Wednesday, 31 August 2016 2:42 AM
To: interest at qt-project.org<mailto:interest at qt-project.org>
Subject: [Interest] Using QtQuick Controls 2 on android


Hi,

I am trying to use QtQuick Controls on android (emulator for now). I cannot deploy a single project using QtQuick Controls 2 on android. The same project runs on windows classic and winrt. Other projects without QtQuick Controls 2 do run on android. The encountered error messages for the quickcontrols2 gallery example are:

Warning: QML import could not be resolved in any of the import paths: QtQuick.Controls.impl
Warning: QML import could not be resolved in any of the import paths: QtQuick.Controls.Material.impl
Warning: QML import could not be resolved in any of the import paths: QtQuick.Controls.Universal.impl

Although this may sound harmless, as it's just a warning, the resulting program will not run. With host GPU turned on, a white display is shown and the application output window shows:

W System : ClassLoader referenced unknown path: [...]

and so on...

I am running this example on Windows 10. Do I need to change my environment or is this a bug? All bugs having similar content did not quite describe what I am experiencing.

Thanks for an help!


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