The ro.sf.lcd_density system property controls SurfaceFlinger display scaling in Android. Setting correct DPI values for 1280x800 screens prevents UI element truncation.

build.prop Property Configuration

system/build.propproperties
# Set SurfaceFlinger LCD density for 1280x800 7-inch/10-inch displays (e.g. 213 TVDPI / 160 MDPI)
ro.sf.lcd_density=213