原文地址

Android Icon Size and Location for Apps

DENSITY  SIZE          LOCATION               RATIO          SCREEN         MARGIN
XXXHDPI  192×192       drawable-xxxhdpi       4              640 DPI        12 to 16 pixels
XXHDPI   144×144       drawable-xxhdpi        3              480 DPI        8 to
 
 12 pixels
XHDPI    96×96         drawable-xhdpi         2              320 DPI        6 to 8 pixels
HDPI     72×72         drawable-hdpi          1.5            240 DPI        4 to 6 pixels
MDPI     48×48         drawable-mdpi          1              160 DPI        3 to 4 pixels
MDPI     48×48         drawable (Cupcake)     1
 
              160 DPI        3 to 4 pixels
LDPI     36×36         drawable-ldpi          0.75           120 DPI        2 to 3 pixels
NA       512×512       Google Play            NA             NA             As required