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CH 11 Mobile App Guidelines
11.4.22 Meaningful Notifications and Error Messages
Notifications are meant to inform and guide users. They can be error messages,
alerts, instructions, and changes of state, responding to an interaction or a range
of other cues. Use operating system alerts or inline messages.It should be Ensured
that the notifications are audible and can be read by screen readers. Preference
should be given to operating system alerts as they are easier to understand.
Custom made notifications should be clear and precise.
11.5
General Guidelines
11.5.1 App size and performance
a. Users are reluctant to install and use apps which are large in size as
mobiles have limited storage. The app should be small to encourage
installs and retentions.
b. Applications may be used in areas where network connectivity is erratic
or slow therefore the app should be able to perform bare minimum
functionality in absence of network connectivity. The users should be
appropriately informed.The app should use network in an efficient and
optimized manner. Platform specific guidelines should be followed for
network management.
c. Users may not be able charge the mobile frequently hence apps with
heavy battery usage are uninstalled immediately. Battery draining features
may be avoided.
11.5.2 Testing
Before uploading the app on the play store it should be ensured that the app
looks good on variety of screen sizes and the app runs on all popular versions
of the target platform.
11.5.3 App Icons and other images
In order to make the app’s Play store listing compelling, unique app icon,
attention-grabbing images, video of app in action and crisp short description
may be used . Check the following links.
Android:
https://developer.android.com/distribute/best-practices/launch/store-listing.
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