New answers tagged screen-resolution
I suspect the reduction in power consumption will not be significant, but you can easily test this yourself using free software like Trepn Profiler. Make sure to follow these best practices, if you want to get the most accurate results. If you share your method for reducing screen resolution here, hopefully someone can verify the results using hardware like ...
Even with development tools, screenshots are only of the pixel size of the device. You could try running the app in a emulator with higher resolution but all of those pixels may cause the emulator to lag. Or get a device like a Nexus 10 which runs at the higher resolutions.
I'm running an older version, 4.1.1, on a cheap tablet. On this unit, it's Settings-->HDMI-->HDMI Resolution. HTH
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