Android 各解析度 dpi 倍數與 icon size

\	mdpi (Baseline)	tvdpi	hdpi	xhdpi	xxhdpi	xxxhdpi
dpi	160 dpi	213 dpi	240 dpi	320 dpi	480 dpi	640 dpi
x	1x	1.33x	1.5x	2x	3x	4x
Launcher icons (.Png)	48 × 48	64 × 64	72 × 72	96 × 96	144 × 144	192 × 192
Action bar, Dialog & Tab icons	24 × 24 area in 32 × 32	32 × 32 area in 43 × 43	36 × 36 area in 48 × 48	48 × 48 area in 64 × 64	72 × 72 area in 96 × 96	96 × 96 area in 128 × 128
Notification icons	22 × 22 area in 24 × 24	29 x 29 area in 32 × 32	33 × 33 area in 36 × 36	44 × 44 area in 48 × 48	66 × 66 area in 72 × 72	88 × 88 area in 96 × 96
Small Contextual Icons	16 × 16	21 × 21	24 × 24	32 × 32	48 × 48	64 × 64

512 × 512 (Google Play store Launcher icon size)