HDMI Rotation of Android Jelly Bean

Document created by MaxTsai Employee on Oct 23, 2013
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Android Jelly Bean(4.2) locks HDMI rotation by default. You can unlock by the instruction of this commit.


Author: Jeff Brown <jeffbrown@google.com>

Date:   Wed Oct 17 18:32:34 2012 -0700


    Add special mirroring modes for demonstration purposes.


    Assume rotation of HDMI display is portait.

    $ adb shell setprop persist.demo.hdmirotation portrait


    Don't lock rotation while HDMI is plugged in.

    $ adb shell setprop persist.demo.hdmirotationlock false


    Hide secondary displays from apps but continue mirroring to them.

    $ adb shell setprop persist.demo.singledisplay true


    Bug: 7326281

    Change-Id: I8f9a3b0bc19821a3a01043b0f516806dac82ce53