android - Presentation Display: wrong DPI's -


my application runs in phone & uses presentation display render scene.

the phone samsung galaxy s4 around 480dpi's.

i connect 40" tv mhl/hdmi adapter. seen in logcat metrics:

{"hdmi screen": 1920 x 1080, 60.000004 fps, density 320, 320.0 x 320.0 dpi, touch external, rotation 0, type hdmi, flag_secure, flag_supports_protected_buffers, flag_presentation}

my problem is, dpi's of secondary display wrong! density much, lower 320dpi. wonder value comes from, , if adjustable. i'd use value in mdpi land font rendered smaller.

if you're looking @ dpi in displaymatrics class- isn't accurate. depends on field being set oem when build android, field isn't set causes no bugs isn't used anywhere. can't trust native screen device built with. trusting outside screen less right.


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