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True or False? If an app performs an operation that causes the device to appear to be unresponsive for more than three seconds - such as downloading data over a network connection - the app must display a visual progress or busy indicator.

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True or False? If an app performs an operation that causes the device to appear to be unresponsive for more than three seconds - such as downloading data over a network connection - the app must display a visual progress or busy indicator.






 
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