Tablet has not showing file explorer in pc with USB connection – Solution: Change ‘No data transfer’ to Media device (MTP)

Lenovoo Tab 8
Solution:
Setting > Connected devices > USB file transfer

Change ‘No data transfer’ to Media device (MTP)

More info:
Media Device (MTP) – with this setting selected, the tablet thinks it is a media player
Camera (PTP) – in this setting, the tablet identifies as a camera, best used for transferring photos or video

https://computing.which.co.uk/hc/en-gb/articles/115002555705-Transfer-files-from-a-PC-to-your-Android-tablet-by-USB

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Tabletem Típusa:
LENOVO TAB M8 (TB-8505F) TABLET PC 8″ 32GB WI-FI ANDROID 9.0 SZÜRKE (vétel: 2021. aug 24)

https://aqua.hu/tablet/lenovo-tab-m8-tb-8505f-tablet–pc-8-32gb-wi-fi-android-90-szurke-za5g0091bg-t867539

Adatok:

Képernyő: 8″, 1280 x 720, IPS
Processzor magok száma: 4
Memória: 2 GB
Háttértár: 32 GB
Operációs rendszer: Android
Előlapi kamera: 5 MP
Hátlapi kamera: 2 MP
micro USB csatlakozó: 1 db
Jack fejhallgató csatlakozó: 3.5 mm
Processzor család: MediaTek Helio A22
Processzor órajel: 2 GHz
Operációs rendszer verzió: Android 9.0 (Pie)
Bluetooth: Bluetooth 4.2
Wi-Fi: 802.11a/b/g/n/ac
Akkumulátor: 5000 mAh
GPS: Beépített GPS vevő
Kártyaolvasó: MicroSD
Magasság: 121.8 mm
Szélesség: 199.1 mm
Mélység: 8.15 mm
Tömeg: 0.305 kg

Power Apps > Power Fx info

Power Fx formula reference for Power Apps
https://docs.microsoft.com/en-us/power-platform/power-fx/formula-reference
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What is Microsoft Power Fx?
https://powerapps.microsoft.com/en-us/blog/what-is-microsoft-power-fx/
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Változók , Variables :
https://docs.microsoft.com/hu-hu/power-platform/power-fx/variables

if else:

https://docs.microsoft.com/en-us/power-platform/power-fx/reference/function-if

PowerApps OnStart and OnVisible Development Tricks

Controls – How to add a clickable image / image button
http://powerappsguide.com/blog/post/add-clickable-image-button

A Power apps kijelző használata:
https://support.microsoft.com/hu-hu/office/a-power-apps-kijelz%C5%91-haszn%C3%A1lata-6285f05e-e441-408a-99d7-aa688195cd1c

Unable to submit form due to ‘Title’ field required, but is not there

https://powerusers.microsoft.com/t5/Building-Power-Apps/Unable-to-submit-form-due-to-Title-field-required-but-is-not/td-p/282625

List Settings> Click on Title > Require that this column contains information > (no) > ok

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Retrieve Sharepoint list ID on Confirmation page after form submit
https://powerusers.microsoft.com/t5/Building-Power-Apps/Retrieve-Sharepoint-list-ID-on-Confirmation-page-after-form/td-p/62928

Solution: EditForm1.LastSubmit.ID

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Open External Links in Power Apps with Power Fx Launch Function

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CSS:
Edit CSS for themes

https://docs.microsoft.com/en-us/power-apps/maker/portals/edit-css