各個螢幕的logo尺寸要求

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