How to enable Dual screen asynchronous display On IMX8MP Android14。

[liangyan]

Hi NXP

   I want to enable Dual screen asynchronous display On IMX8MP Android14。

     LVDS as the main display, MIPI DSI as the secondary display.

I get two displays:

but i get displays.lengh is 0

Display[] displays = mDisplayManager.getDisplays(DisplayManager.DISPLAY_CATEGORY_PRESENTATION);

How should I do , I use Android 14 BSP 2.2 version, Please help me Thank you!

[Zhiming_Liu]

Hello,

Make sure you have added the permission in manifest, then try to use  DISPLAY_CATEGORY_ALL

Best Regards,
Zhiming

[liangyan]

Hi 

I have add DISPLAY_CATEGORY_ALL in AndroidManifest.xml

bui it does not work and not found PRESENTATION Display

I can find two display devices on my board

[Zhiming_Liu]

Hello,

Can you try to use getDisplays() here to get all logical displays?

https://developer.android.com/reference/android/hardware/display/DisplayManager

Best Regards,
Zhiming