Exclamation [HELP!!]two times tapping to answer

Hello everybody
I have a new problem annoying me little. But you could help me
My problem is when i want to answer a caller i need to tap the answer or reject button two times.so when someone call me i dont see the nav-bar then after the first touch the navbar show up and cover the REJECT WITH MASSAGE button.
So is there any solution for this bug?

I'm on eXistenZ 6.6.0
Rooted
Deodexed
Locked bootloader
I didnt replaced any system app.

Thanks in advance
THATS FROM MY XPERIA™ Z
Running Rajeev's
ROM
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don't forget hit thanks if helped
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