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Best Practice 3.2 – Avoid sudden change of context (Advanced level)


When activating a change on a mobile application such as switching to a new screen page or refreshing content, ensure to provide users with the corresponding notification or warning.

 

Before Rectification
A sample mobile application page with a language selection list.
This example is common in mobile applications that, when selecting an option, the request is automatically submitted.
After Rectification
A sample mobile application page with a language selection list with a “Confirm Changes” button.
This implementation is better as it gives the user total control when to submit the request to effect the change.

 

W3C WCAG Reference: 3.2.2 On Input