Display Unit in Android

Frequently used:

1. PX (pixels) pixels: Generally, hvga represents 320x480 pixels, which is usually used.

2. Dip or DP (device independent pixels) Independent pixels: This is related to the hardware of the device. This is generally recommended to support WVGA, hvga, and qvga, and does not depend on pixels.

3. Sp (scaled pixels-best for text size) ratio pixel: mainly deal with the font size, which can be adaptive according to the system font.

Not commonly used:

1. In (INCHES) inches

2.mm (millimeters) mm

3. Pt (points), 1/72 inch

Note:Dip and SP are recommended for different resolution and pixel density.