geopackage-sdk/src/main/java/mil/nga/geopackage/tiles/TileUtils.java
public static int tileLength(float density) {
        int length;
        if (density < HIGH_DENSITY) {
            length = TILE_PIXELS_DEFAULT;
        } else {
            length = TILE_PIXELS_HIGH;
        }
        return length;
    }
public static int tileLength(float density) {
        int length;
        if (density < HIGH_DENSITY) {
            length = TILE_PIXELS_DEFAULT;
        } else {
            length = TILE_PIXELS_HIGH;
        }
        return length;
    }
Get the tile side (width and height) dimension based upon the display density scale

@param density display density: {@link android.util.DisplayMetrics#density}
@return default tile length