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White ring round a touch point in Android on i.MX6

Question asked by Yong Chang on Jan 20, 2014
Latest reply on Jan 20, 2014 by Eric Nelson

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Hello all,

 

We are working on porting JB4.3 onto our i.MX6-based customized board. The board is desinged being based on a i.MX6 SABRE.

We've done a lot so that almost everything is working except touchscreen. When the device is boot-up, a white circle shows on a screen.

This is different from what we can enable in 'Settings-Developer options-Show touches'. In order to click something, first I have to move this circle by dragging it.

Then have to double click the circle to make 'single-touch'. This is very wierd and never have seen before when I developed using i.MX5 and GB.

 

Do you have any idea what this feature is?

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