# 应用id
org.gnome.Dictionary
# 应用上架的描述
/app/share/metainfo/org.gnome.Dictionary.metainfo.xml
# 应用图标
/app/share/icons/hicolor/scalable/apps/org.gnome.Dictionary.svgz
/app/share/icons/hicolor/$size/apps/
/app/share/icons/hicolor/128x128/apps/org.gnome.Dictionary.png
# desktop文件
/app/share/applications/org.gnome.Dictionary.desktop

• 图标详解

# 一般存svg
scalable/

tree hicolor
# hicolor
# ├── 16x16
# │   └── apps
# │       └── spectacle.png
# ├── 22x22
# │   └── apps
# │       └── spectacle.png
# ├── 32x32
# │   └── apps
# │       └── spectacle.png
# ├── 48x48
# │   └── apps
# │       └── spectacle.png
# └── scalable
#     └── apps
#         └── spectacle.svgz

# 10 directories, 5 files


mkdir -p /app/share/icons/hicolor/scalable/apps/
mkdir -p /app/share/icons/hicolor/16x16/apps/
mkdir -p /app/share/icons/hicolor/22x22/apps/
mkdir -p /app/share/icons/hicolor/32x32/apps/
mkdir -p /app/share/icons/hicolor/48x48/apps/
cp icon.png /app/share/icons/hicolor/scalable/apps/org.gnome.Dictionary.png
cp icon.png /app/share/icons/hicolor/16x16/apps/org.gnome.Dictionary.png
cp icon.png /app/share/icons/hicolor/22x22/apps/org.gnome.Dictionary.png
cp icon.png /app/share/icons/hicolor/32x32/apps/org.gnome.Dictionary.png
cp icon.png /app/share/icons/hicolor/48x48/apps/org.gnome.Dictionary.png