A command-line utility for generating Android drawables in the required densities.
The Android asset resizer can be used to generate drawable assets from a larger source image, like an iOS @2x asset or an xhdpi drawable.
The script will generate the expected mdpi, hdpi, xhdpi and xxhdpi assets from the source image.
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$ pip install android-asset-resizer
If you’d like to use the pillow imaging library instead of PIL you can install the script with this command:
$ pip install --no-deps android-asset-resizer && pip install pillow
You can easily generate Android assets from your @2x iOS assets:
$ aaresize firstname.lastname@example.org
Running this command will generate the following assets:
- res - drawable-mdpi - icon.png - drawable-hdpi - icon.png - drawable-xhdpi - icon.png - drawable-xxhdpi - icon.png
These assets were created from the original @2x asset where the icon in the drawable-xhdpi folder is just a copy of the original.
You can also resize an entire directory of images:
$ aaresize email@example.com
An Android xhdpi asset is roughly equivalent to an @2x asset, so you can easily resize those too:
$ aaresize res/drawable-xhdpi/*.png
If you have a large drawable-xxhdpi asset you can use the --density flag to generate the smaller assets:
$ aaresize res/drawable-xxhdpi/*.png --density=xxhdpi
You can also easily add a prefix to your new assets:
$ aaresize firstname.lastname@example.org --prefix=ic_
Use the --ldpi flag to generate low density assets:
$ aaresize res/drawable-xhdpi/*.png --ldpi
Use the --exclude flag to specify a list of files that should not be resized:
$ aaresize res/drawable-xhdpi/*.png --exclude=ic_launcher.png,ic_status.png
You can also import the AssetResizer class and incorporate it into your own scripts:
from PIL import Image from android_asset_resizer.resizer import AssetResizer # Create our resizer resizer = AssetResizer(out_dir, source_density='xhdpi', prefix='ic_', image_filter=Image.ANTIALIAS) # Make our resource directories resizer.mkres() # Resize an image resizer.resize(path)
If you encounter any issues, please open a new issue on the project’s GitHub page.
Copyright 2013 Tristan Waddington Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
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