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Generate app icons and xcassets file from a single image. To use this, place script in `appname` folder inside your project (i.e. the folder that Xcode generates for you containing your source code, it's named after whatever you called the app). Create folder there called `RawImages`. Source icon should 1024x1024 and be called appIcon.png. If th…
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| #!/bin/bash -e | |
| # -------------------------------------------------------- | |
| # Generate app icons and xcassets file from a single image | |
| # Ben Clayton, Calvium Ltd. | |
| # https://gist.github.com/benvium/2be6d673aa9ac284bb8a | |
| # -------------------------------------------------------- | |
| # | |
| # Usage with an input of 1024x1024 PNG file | |
| # generateAppIcon.sh AppIcon.png | |
| # | |
| # Updated in October 2017 for RobLabs.com | |
| # https://gist.github.com/roblabs/527458cbe46b0483cd2d594c7b9e583f | |
| # Based on Xcode Version 9.0 (9A235) | |
| # requires imagemagick | |
| # `brew install imagemagick` | |
| sourceIconName=$1 | |
| # Ensure we're running in location of script. | |
| #cd "`dirname $0`" | |
| # Check imagemagick is installed | |
| # http://stackoverflow.com/questions/592620/check-if-a-program-exists-from-a-bash-script | |
| command -v convert >/dev/null 2>&1 || { echo >&2 "I require imagemagick but it's not installed. Aborting."; exit 1; } | |
| iconPath="./Assets.xcassets/AppIcon.appiconset" | |
| mkdir -p "$iconPath" | |
| # iPhone Notification | |
| convert $sourceIconName -resize 40x40 $iconPath/[email protected] | |
| convert $sourceIconName -resize 60x60 $iconPath/[email protected] | |
| # iPhone Spotlight Settings | |
| convert $sourceIconName -resize 29x29 $iconPath/iPhone-Spotlight-Settings-29pt.png | |
| convert $sourceIconName -resize 58x58 $iconPath/[email protected] | |
| convert $sourceIconName -resize 87x87 $iconPath/[email protected] | |
| # iPhone Spotlight | |
| convert $sourceIconName -resize 80x80 $iconPath/[email protected] | |
| convert $sourceIconName -resize 120x120 $iconPath/[email protected] | |
| # iPhone App | |
| convert $sourceIconName -resize 120x120 $iconPath/[email protected] | |
| convert $sourceIconName -resize 180x180 $iconPath/[email protected] | |
| # iPad Notifications | |
| convert $sourceIconName -resize 20x20 $iconPath/iPad-Notifications-20pt.png | |
| convert $sourceIconName -resize 40x40 $iconPath/[email protected] | |
| # iPad Settings | |
| convert $sourceIconName -resize 29x29 $iconPath/iPad-Settings-29pt.png | |
| convert $sourceIconName -resize 58x58 $iconPath/[email protected] | |
| # iPad Spotlight | |
| convert $sourceIconName -resize 40x40 $iconPath/iPad-Spotlight-40pt.png | |
| convert $sourceIconName -resize 80x80 $iconPath/[email protected] | |
| # iPad App | |
| convert $sourceIconName -resize 76x76 $iconPath/iPad-App-76pt.png | |
| convert $sourceIconName -resize 152x152 $iconPath/[email protected] | |
| # iPad Pro App | |
| convert $sourceIconName -resize 167x167 $iconPath/[email protected] | |
| # iOS Marketing | |
| convert $sourceIconName -resize 1024x1024 $iconPath/[email protected] | |
| cat > "$iconPath/Contents.json" << EOF | |
| { | |
| "images": [ | |
| { | |
| "size": "20x20", | |
| "idiom": "iphone", | |
| "filename": "[email protected]", | |
| "scale": "2x" | |
| }, | |
| { | |
| "size": "20x20", | |
| "idiom": "iphone", | |
| "filename": "[email protected]", | |
| "scale": "3x" | |
| }, | |
| { | |
| "size": "29x29", | |
| "idiom": "iphone", | |
| "filename": "iPhone-Spotlight-Settings-29pt.png", | |
| "scale": "1x" | |
| }, | |
| { | |
| "size": "29x29", | |
| "idiom": "iphone", | |
| "filename": "[email protected]", | |
| "scale": "2x" | |
| }, | |
| { | |
| "size": "29x29", | |
| "idiom": "iphone", | |
| "filename": "[email protected]", | |
| "scale": "3x" | |
| }, | |
| { | |
| "size": "40x40", | |
| "idiom": "iphone", | |
| "filename": "[email protected]", | |
| "scale": "2x" | |
| }, | |
| { | |
| "size": "40x40", | |
| "idiom": "iphone", | |
| "filename": "[email protected]", | |
| "scale": "3x" | |
| }, | |
| { | |
| "size": "60x60", | |
| "idiom": "iphone", | |
| "filename": "[email protected]", | |
| "scale": "2x" | |
| }, | |
| { | |
| "size": "60x60", | |
| "idiom": "iphone", | |
| "filename": "[email protected]", | |
| "scale": "3x" | |
| }, | |
| { | |
| "size": "20x20", | |
| "idiom": "ipad", | |
| "filename": "iPad-Notifications-20pt.png", | |
| "scale": "1x" | |
| }, | |
| { | |
| "size": "20x20", | |
| "idiom": "ipad", | |
| "filename": "[email protected]", | |
| "scale": "2x" | |
| }, | |
| { | |
| "size": "29x29", | |
| "idiom": "ipad", | |
| "filename": "iPad-Settings-29pt.png", | |
| "scale": "1x" | |
| }, | |
| { | |
| "size": "29x29", | |
| "idiom": "ipad", | |
| "filename": "[email protected]", | |
| "scale": "2x" | |
| }, | |
| { | |
| "size": "40x40", | |
| "idiom": "ipad", | |
| "filename": "iPad-Spotlight-40pt.png", | |
| "scale": "1x" | |
| }, | |
| { | |
| "size": "40x40", | |
| "idiom": "ipad", | |
| "filename": "[email protected]", | |
| "scale": "2x" | |
| }, | |
| { | |
| "size": "76x76", | |
| "idiom": "ipad", | |
| "filename": "iPad-App-76pt.png", | |
| "scale": "1x" | |
| }, | |
| { | |
| "size": "76x76", | |
| "idiom": "ipad", | |
| "filename": "[email protected]", | |
| "scale": "2x" | |
| }, | |
| { | |
| "size": "83.5x83.5", | |
| "idiom": "ipad", | |
| "filename": "[email protected]", | |
| "scale": "2x" | |
| }, | |
| { | |
| "size": "1024x1024", | |
| "idiom": "ios-marketing", | |
| "filename": "[email protected]", | |
| "scale": "1x" | |
| } | |
| ], | |
| "info": { | |
| "version": 1, | |
| "author": "xcode" | |
| }, | |
| "properties": { | |
| "pre-rendered": true | |
| } | |
| } | |
| EOF |
@fagianijunior
Prepend png32:to each output file like so:
convert $sourceIconName -resize 40x40 png32:$iconPath/[email protected]
Update for Xcode 12.4 (iOS 7 - 14)
#!/bin/bash -e
# --------------------------------------------------------
# Generate app icons and xcassets file from a single image
# Ben Clayton, Calvium Ltd.
# https://gist.github.com/benvium/2be6d673aa9ac284bb8a
# --------------------------------------------------------
# To use this, place script in `appname` folder inside your project (i.e. the folder that Xcode generates for you containing your source code, it's named after whatever you called the app).
# Create folder there called `RawImages`.
# Source icon should 1024x1024 and be called Icon.png. If the icon changes, you can just run this again to regenerate everything.
# This script assumes that you have the default setup of an Images.xcassets file containing the Icon.Iconset.
# Adjust iconPath below if you use something different
sourceIconName="App-Store-1024x1024.png"
# Ensure we're running in location of script.
#cd "`dirname $0`"
# Check imagemagick is installed
# http://stackoverflow.com/questions/592620/check-if-a-program-exists-from-a-bash-script
command -v convert >/dev/null 2>&1 || { echo >&2 "I require imagemagick but it's not installed. Aborting."; exit 1; }
iconPath="Assets.xcassets/AppIcon.appiconset"
mkdir -p "$iconPath"
# clean it out
rm -rf $iconPath/*.png
# iOS 7-14
# iPhone-Notification
convert $sourceIconName -resize 40x40 $iconPath/[email protected]
convert $sourceIconName -resize 60x60 $iconPath/[email protected]
# iPhone
convert $sourceIconName -resize 58x58 $iconPath/[email protected]
convert $sourceIconName -resize 87x87 $iconPath/[email protected]
# iPhone Spotlight
convert $sourceIconName -resize 80x80 $iconPath/[email protected]
convert $sourceIconName -resize 120x120 $iconPath/[email protected]
# iPhone App
convert $sourceIconName -resize 120x120 $iconPath/[email protected]
convert $sourceIconName -resize 180x180 $iconPath/[email protected]
# iPad Notifications
convert $sourceIconName -resize 20x20 $iconPath/[email protected]
convert $sourceIconName -resize 40x40 $iconPath/[email protected]
# iPad Settings
convert $sourceIconName -resize 29x29 $iconPath/[email protected]
convert $sourceIconName -resize 58x58 $iconPath/[email protected]
# iPad Spotlight
convert $sourceIconName -resize 40x40 $iconPath/[email protected]
convert $sourceIconName -resize 80x80 $iconPath/[email protected]
# iPad App
convert $sourceIconName -resize 76x76 $iconPath/[email protected]
convert $sourceIconName -resize 152x152 $iconPath/[email protected]
# iPad Pro
convert $sourceIconName -resize 167x167 $iconPath/iPad [email protected]
# App Store
# Use the 1024x1024.png
cat > "$iconPath/Contents.json" << EOF
{
"images" : [
{
"filename" : "[email protected]",
"idiom" : "iphone",
"scale" : "2x",
"size" : "20x20"
},
{
"filename" : "[email protected]",
"idiom" : "iphone",
"scale" : "3x",
"size" : "20x20"
},
{
"filename" : "[email protected]",
"idiom" : "iphone",
"scale" : "2x",
"size" : "29x29"
},
{
"filename" : "[email protected]",
"idiom" : "iphone",
"scale" : "3x",
"size" : "29x29"
},
{
"filename" : "[email protected]",
"idiom" : "iphone",
"scale" : "2x",
"size" : "40x40"
},
{
"filename" : "[email protected]",
"idiom" : "iphone",
"scale" : "3x",
"size" : "40x40"
},
{
"filename" : "[email protected]",
"idiom" : "iphone",
"scale" : "2x",
"size" : "60x60"
},
{
"filename" : "[email protected]",
"idiom" : "iphone",
"scale" : "3x",
"size" : "60x60"
},
{
"filename" : "[email protected]",
"idiom" : "ipad",
"scale" : "1x",
"size" : "20x20"
},
{
"filename" : "[email protected]",
"idiom" : "ipad",
"scale" : "2x",
"size" : "20x20"
},
{
"filename" : "[email protected]",
"idiom" : "ipad",
"scale" : "1x",
"size" : "29x29"
},
{
"filename" : "[email protected]",
"idiom" : "ipad",
"scale" : "2x",
"size" : "29x29"
},
{
"filename" : "[email protected]",
"idiom" : "ipad",
"scale" : "1x",
"size" : "40x40"
},
{
"filename" : "[email protected]",
"idiom" : "ipad",
"scale" : "2x",
"size" : "40x40"
},
{
"filename" : "[email protected]",
"idiom" : "ipad",
"scale" : "1x",
"size" : "76x76"
},
{
"filename" : "[email protected]",
"idiom" : "ipad",
"scale" : "2x",
"size" : "76x76"
},
{
"filename" : "[email protected]",
"idiom" : "ipad",
"scale" : "2x",
"size" : "83.5x83.5"
},
{
"filename" : "App-Store-1024x1024.png",
"idiom" : "ios-marketing",
"scale" : "1x",
"size" : "1024x1024"
}
],
"info" : {
"author" : "xcode",
"version" : 1
}
}
EOF
From Xcode 12.4
How to generate launch screen images (not app icons) with the script?
@roblabs thanks for the script, works well. The only missing thing was a dash for iPad Pro icon (currently it has space in it)
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generate icons with alfa channel?