Android measurement unit, android measurement unit

Android measurement unit, android measurement unit

Unit	Note
Px (pixels)	Each pixel corresponds to a point on the mobile phone, and the length indicated by 1 px on different devices is not necessarily the same
Screen size)	The length of the diagonal line of the mobile phone, such as 4.7 inch.
Resolution (resolution)	The number of pixels on the screen, such as 480*320. The higher the Resolution, the clearer the screen size.
Dpi (pixel density)	The number of bytes per inch. The inch is the unit of length, 1 inch = 2.54, meaning that it is consistent with DisplayMetrics. densityDpi.
Dip (Device Independent Unit)	Pixel length independent, px/dips = dpi/160, dips = (px * 160)/dpi
Density	The number of pixels each dip represents, which is the same as DisplayMetrics. density.
Sp (scaled pixels)	Used to set the font size.