记住： 缩放比例 + Baseline列相关图标的大小 ，就能其算出其他图标大小
| MDPI (Baseline) | HDPI | XHDPI | XXHDPI | XXXHDPI | |
|---|---|---|---|---|---|
| Scale | 1 x | 1.5 x | 2 x | 3 x | 4 x |
| DPI | ~ 160 dpi | ~ 240 dpi | ~ 320 dpi | ~ 480 dpi | ~ 640 dpi |
| App Launcher Icons | 48 px | 72 px | 96 px | 144 px | 192 px |
| Action bar Icons | 32 px (24px inset) | 48 px | 64 px | 96 px | 128 px |
| Small / Contextual Icons | 16 px (12px inset) | 24 px | 32 px | 48 px | 64 px |
| Notification Icons | 24 px (22px inset) | 36 px | 48 px | 72 px | 96 px |
Android - 常用图标大小
Launcher icons (.Png)
LDPI should be 36 x 36.(可以不考虑)
MDPI should be 48 x 48.
TVDPI should be 64 x 64.
HDPI should be 72 x 72.
XHDPI should be 96 x 96.
XXHDPI should be 144 x 144.
XXXHDPI should be 192 x 192.
512 × 512 (Google Play store) （国内部分应用商店上架应用图标大小要求）
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)*
Notification icons
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)*
Small Contextual Icons
16 × 16 (mdpi)
24 × 24 (hdpi)
32 × 32 (xhdpi)
48 × 48 (xxhdpi)
64 × 64 (xxxhdpi)
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