android屏幕单位px (pixels)像素dip (device independent pixels)设备独立像素sp (scaled pixels — best f
android屏幕单位
px (pixels)像素
dip (device independent pixels)设备独立像素
sp (scaled pixels — best for text size)放大像素--对文本大小最好
pt (points)点
in (inches)英寸
mm (millimeters)毫米
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HVGA 320x480
WVGA ?480x800
FWVGA 480x854
QVGA的240x320
