Icon Reference

Pixel Densities

Android icons require five separate sizes for different screen pixel densities. Icons for lower resolution are created automatically from the baseline.

Pixel Densities
mdpi (Baseline) 160 dpi
hdpi: 240 dpi 1.5×
xhdpi: 320 dpi
xxhdpi: 490 dpi
xxxhdpi: 640 dpi

Launcher icons

48 × 48 (mdpi)
72 × 72 (hdpi)
96 × 96 (xhdpi)
144 × 144 (xxhdpi)
192 × 192 (xxxhdpi)
512 × 512 (Google Play store)

Action bar, Dialog & Tab icons

24 × 24 area in 32 × 32 (mdpi)
36 × 36 area in 48 × 48 (hdpi)
48 × 48 area in 64 × 64 (xhdpi)
72 × 72 area in 96 × 96 (xxhdpi)
96 × 96 area in 128 × 128 (xxxhdpi)

These icons are used in the action bar menu. The first number is the size of the icon area, and the second is file size.

 

Small Contextual Icons

16 × 16 (mdpi)
24 × 24 (hdpi)
32 × 32 (xhdpi)
48 × 48 (xxhdpi)
64 × 64 (xxxhdpi)

Small icons are used to surface actions and/or provide status for specific items. For example, in the Gmail app, each message has a star icon that marks the message as important.

 

Notification icons

These are used to represent application notifications in the status bar. They should be flat (no gradients), white and face-on perspective

22 × 22 area in 24 × 24 (mdpi)
33 × 33 area in 36 × 36 (hdpi)
44 × 44 area in 48 × 48 (xhdpi)
66 × 66 area in 72 × 72 (xxhdpi)
88 × 88 area in 96 × 96 (xxxhdpi)

 

Taken from here

Comments are closed, but trackbacks and pingbacks are open.