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Technical Q & A qa1686
App icons on iPad and iphoneq: How are the icon files in my application bundle used on iPad and iPhone?
A: below are guidelines for handling Icon files for iPhone-only apps, iPad-only apps, and universal apps.
Important:Icons marked"Required"Must be supplied in your application bundle.
Note:Itunesartwork icon file shocould be in PNG format, but name it without the. PNG extension.
IPhone-only apps
Include the following in your application's Resources Group in the xcode project:
Table 1IPhone-only apps icon requirements.
Image size (PX) |
File Name |
Used |
Required status |
512x512 |
Itunesartwork |
Ad hoc iTunes |
Optional but recommended |
57x57 |
Icon.png |
App Store and home screen on iPhone/iPod Touch |
Required |
114x114 |
Icon@2x.png |
Home screen for iPhone 4 High Resolution |
Optional but recommended |
72X72 |
Icon-72.png |
Home screen for iPad compatibility |
Optional but recommended |
29x29 |
Icon-Small.png |
Spotlight and settings |
Optional but recommended |
50x50 |
Icon-Small-50.png |
Spotlight for iPad compatibility |
Recommended if you have a settings bundle, otherwise optional but recommended |
58x58 |
Icon-Small@2x.png |
Spotlight and settings for iPhone 4 High Resolution |
Recommended if you have a settings bundle, otherwise optional but recommended |
Your Resources Group shocould look similar to Figure 1:
Figure 1Add files to Resources Group
Workflow t for itunesartwork icon, List the names of each of these files inIcon files
Entry in
Info.plist
. Follow the steps in "add Icon files in info. plist" section below. seefigure 4.
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IPad-only apps
Include the following in your application's Resources Group in the xcode project:
Table 2IPad-only apps icon requirements.
Image size (PX) |
File Name |
Used |
Required status |
512x512 |
Itunesartwork |
Ad hoc iTunes |
Optional but recommended |
72X72 |
Icon-72.png |
App Store and home screen on iPad |
Required |
50x50 |
Icon-Small-50.png |
Spotlight on iPad |
Optional but recommended |
29x29 |
Icon-Small.png |
Settings on iPad |
Recommended if you have a settings bundle, otherwise optional but recommended |
Workflow t for itunesartwork icon, List the names of each of these files inIcon files
Entry in
Info.plist
. Follow the steps in "add Icon files in info. plist" section below. seefigure 5.
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Universal apps
Include the following in your application's Resources Group in the xcode project:
Table 3Universal apps icon requirements.
Image size (PX) |
File Name |
Used |
Required status |
512x512 |
Itunesartwork |
Ad hoc iTunes |
Optional but recommended |
57x57 |
Icon.png |
App Store and the home screen on iPhone/iPod Touch |
Required |
114x114 |
Icon@2x.png |
Home screen for iPhone 4 High Resolution |
Optional but recommended |
72X72 |
Icon-72.png |
App Store and home screen on iPad |
Required |
50x50 |
Icon-Small-50.png |
Spotlight on iPad |
Optional but recommended |
29x29 |
Icon-Small.png |
Settings on iPad and iPhone, and spotlight on iPhone |
Recommended if you have a settings bundle, otherwise optional but recommended |
58x58 |
Icon-Small@2x.png |
Spotlight and settings for iPhone 4 High Resolution |
Recommended if you have a settings bundle, otherwise optional but recommended |
Workflow t for itunesartwork icon, List the names of each of these files inIcon files
Entry in
Info.plist
. Follow the steps in "add Icon files in info. plist" section below. seefigure 4.
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Add Icon files in info. plist
To addIcon files
Entry you will need to manually edit your
Info.plist
.
Open yourInfo.plist
In xcode, and locate"Icon file
"Entry. Click on the plus (+) button at the end of the entry to make a new key entry. As shown infigure 2.
Figure 2Add a new entry under "icon file" Key
Then, type"Icon files
"In the key column (Notice"s
"Added), or choose"Icon files
"From the drop down list, as shown infigure 3.
Figure 3Add "icon files" key in info. plist
Next, turn down the disclosure triangle on"Icon files
"And add the entries for the icons for your application, as shown infigure 4 and
Figure 5:
Figure 4Add icon file entries for iPhone-only or universal apps.Figure
5Add entries for iPad Icon files.
Note:If you don't provide one of the listed optional icons, the system will automatically scale one of your existing icons to an appropriate size. however, it is strongly recommended that your application supply all the icons listed
Specific sizes needed.
For additional information, see the build-time
Configuration details section in the IOS application programming guide.
For details on usingCFBundleIconFiles
Key, see
Information property list key reference.
For information on creating your applications icons, see
Application icons section ofIOS
Human Interface Guidelines.
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Document revision history
Date |
Notes |
2011-07-14 |
After IOS 4.3, order doesn' t matter in the icon arrangement. Added links to related references. |
2010-07-14 |
Fixed outdated "add Icon files in info. plist" section. |
2010-07-12 |
Updated for iOS 4 requirements. |
2010-04-09 |
New document that explains how the icon files in an application bundle are used on iPad and iPhone. |
2011 Apple Inc. All Rights Reserved. (last updated)
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