PNG assets script for Android

Simple script to organize automatically assets for different screen densities

Android project structure

project/
  app/
    src/main/res
  assets/
    png/
    svg/
    create_png.sh

Workflow

1. Assets from designer

The designer exports png assets from sketch in 4 sizes:

• x1 (drawable-hdpi)
• x2 (drawable-xhdpi)
• x3 (drawable-xxhdpi)
• x4 (drawable-xxxhdpi)

The assets will be in a unique folder with flat hierarchy. The png files are named in the following format:

my_image_1@1x.png
my_image_1@2x.png
my_image_1@3x.png
my_image_1@4x.png
my_image_2@1x.png
my_image_2@2x.png
my_image_2@3x.png
my_image_2@4x.png
etc

2. Convert to android drawable-xxx structure

1. Move these assets to assets/png/.
2. Run create_png.sh
3. Done