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J6EVM5777: Android O and extended display support

Tihomir Andjelic
Prodigy 35 points

Part Number: J6EVM5777

We need to support extended display for second monitor (connected to HDMI port). Our development is based on Vayu EVM XC5777X Rev G3 board with Android O (6AO.1.0_Engineering_Drop).

We tried to extend screen on HDMI out with no success. We always get mirrored screen on second display. We tried some adb commands to select the display for specific applications:

"adb shell am start -n com.android.calculator2/.Calculator --display 0"
"adb shell am start -n com.android.gallery3d/.app.GalleryActivity --display 1"

These commands work but applications are always started on both displays (HDMI and main display)

Can you please confirm if this board with android O can support screen extending rather than mirroring?

Thanks