I need to make an application that create flash across screen while it's open in the task manager. The flash is the white flash just like when you do capture the screen in idevices.

The reason I need is my iphone got hardware error that make screen colour negative. The only time that it's display right colour is the time I capture the screen and that flash comes up. If this idea is impossible , i would need to purchase new screen for replacement. And that's expensive.

So, Is this possible?

Thanks you in advance

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