[RK3399] 虚拟按键栏显示不全或者方向不对

CPU：RK3399

系统：Android 7.1

 

一样的系统代码，换了一个小分辨率的屏，虚拟按键栏就出现显示不全，并且方向不对

 

 出现这种问题的缘由是显示密度和屏不匹配，须要适当的下降显示密度便可

diff --git a/device/rockchip/rk3399/rk3399_all/system.prop b/device/rockchip/rk3399/rk3399_all/system.prop index f61f0aa..fd5fe80 100755
--- a/device/rockchip/rk3399/rk3399_all/system.prop +++ b/device/rockchip/rk3399/rk3399_all/system.prop @@ -39,4 +39,4 @@ ro.product.usbfactory=rockchip_usb wifi.supplicant_scan_interval=15 ro.factory.tool=0 #set default lcd density for rk3399 tablet -ro.sf.lcd_density=280
+ro.sf.lcd_density=160

 

RK3288平台，Android5.1上一样适用，path：device/rockchip/rk3288/system.prop