Launch screen is displayed during the launch of the application. It tells the user that the application is launching and that it will soon be available. Because the launch screen represents the link between the icon and the application itself, it includes a primary color background and the application symbol in the center.
Warning: The launch screen uses colors defined with the selected color scheme. An exception to this are internal and supporting applications with white backgrounds.
Note: From the point of view of user experience, the launch screen may have the opposite effect in certain cases, therefore it should be implemented reasonably. Example: In the case of a payment application, the user wants to use the payment function immediately. When the application launches immediately, display of such a launch screen would unnecessarily prolong the time required to make the application ready for the execution of the payment.
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Because of the different sizes of mobile device screens it is necessary to prepare a series of image sizes to be used as the launch screen of the application. The following section indicates the recommended image dimensions and formats of the launch screen.
Format
9-Patch PNG (recommended)
Dimensions
LDPI:
MDPI:
HDPI:
XHDPI:
XXHDPI:
XXXHDPI:
Format
PNG (recommended)
Dimensions
Non-Retina (1x)
Retina (2x)
iPhone 5 Retina (2x)
iPhone 6 (2x)
iPhone 6 Plus (3x)