Simple script files to facilitate PNG file grouping and PNG file copying according to Android density qualifier. Node 7 is required as async and await are used in the scripts.
This script can move the PNG files in a directory according to the common file name prefix.
$ node --harmony grouppng.js /path/to/the/image/directory regex_for_defining_subfix
Original directory structure:
MyImages
├── ic-help-1x.png
├── ic-help-2x.png
├── ic-help-3x.png
├── ic-info-1x.png
├── ic-info-2x.png
├── ic-info-3x.png
├── ic-phone-1x.png
├── ic-phone-2x.png
└── ic-phone-3x.png
Command:
$ node --harmony grouppng.js MyImages \dx
Result directory structure:
MyImages
├── ic-help-
│ ├── ic-help-1x.png
│ ├── ic-help-2x.png
│ └── ic-help-3x.png
├── ic-info-
│ ├── ic-info-1x.png
│ ├── ic-info-2x.png
│ └── ic-info-3x.png
└── ic-phone-
├── ic-phone-1x.png
├── ic-phone-2x.png
└── ic-phone-3x.png
It moves the PNG files according to Android density qualifier directories.
Three strategies are supported and applied according to this order:
- qualifier found in file name
- last number found in file name
- image height
$ node --harmony movepng.js /path/to/the/image/directory file_name_you_want /path/to/the/android/project/res/directory
The last argument is optional.
Original directory structure:
ic-help
├── ic-help-hdpi.png
├── ic-help-mdpi.png
├── ic-help-xhdpi.png
├── ic-help-xxhdpi.png
└── ic-help-xxxhdpi.png
Command:
$ node --harmony movepng.js ic-help ic_help
Result directory structure:
ic-help
├── ic-help-hdpi.png
├── ic-help-mdpi.png
├── ic-help-xhdpi.png
├── ic-help-xxhdpi.png
├── ic-help-xxxhdpi.png
├── drawable-hdpi
│ └── ic_help.png
├── drawable-mdpi
│ └── ic_help.png
├── drawable-xhdpi
│ └── ic_help.png
├── drawable-xxhdpi
│ └── ic_help.png
└── drawable-xxxhdpi
└── ic_help.png
You can now copy the drawable directories directly to your Android project without manually rename every PNG file. For macOS users, press Option and drag the directory in Finder so that the generated drawable directories can merge with your project's drawable directories.