Launch Image Type
Launch images contain the different sizes and resolutions for an app launch image. They are required for iOS 7.0 and earlier. New projects for iOS 8.0 and later default to using a launch screen storyboard.
Extension
.launchimage
Folder Contents
.png
files.
Contents.json File (Required)
Metadata and attributes for the individual resource files (Table 21-1).
Key |
Type |
Description |
---|---|---|
|
Dictionary |
Metadata for the author and format version of the asset catalog. |
|
String |
Use your bundle ID. |
|
Number |
The format version of the asset catalog. Use |
|
Array of dictionaries |
The launch images in the set. |
|
String |
The |
|
Slot component |
The device type for the launch image. For the values, see idiom in Image Set Type. |
|
Slot component |
The valid device orientations for the launch image. For the values, see orientation below. |
|
Slot component |
The scale of the launch image. For the values, see scale in Image Set Type. |
|
Slot component |
A subtype for the launch image. For the values, see subtype below. |
|
Slot component |
The minimum system version for the launch image. For the values, see minimum-system-version below. |
|
Slot component |
The vertical extent of the launch image. For the values, see extent below. |
Values for Enumerated Tags
idiom
See idiom in Image Set Type.
orientation
The device orientation for the launch image (Table 21-2).
scale
See scale in Image Set Type.
subtype
The targeted iPhone screen height for the image (Table 21-3).
minimum-system-version
The minimum system version for the launch image (Table 21-4).
extent
The extent of the image in the vertical dimension of the screen (Table 21-5).
Sample Contents.json File
{
"images" : [
{
"filename" : "MyLaunchScreen-iPhone-portrait"
"orientation" : "portrait"
"idiom" : "iphone",
"extent" : "full-screen"
"minimum-system-version" : "8.0",
"scale" : "3x",
},
…
],
"info" : {
"author" : "com.developerName",
"version" : 1
}
}
Copyright © 2018 Apple Inc. All rights reserved. Terms of Use | Privacy Policy | Updated: 2018-04-09