setState(() {
  text = ["AWESOME", "OPTIMISTIC", "DIFFERENT"];
});

.....

RotateAnimatedTextKit(
      text: text,
    ),

setState(() {
  text = ["A", "B", "C","D","E"];
});

I/flutter (10175): The following RangeError was thrown building AnimatedBuilder(animation: AnimationController#386c6(⏭
I/flutter (10175): 1.000; paused), dirty, state: _AnimatedState#4fb90):
I/flutter (10175): RangeError (index): Invalid value: Not in range ...

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[✓] iOS toolchain - develop for iOS devices (Xcode 10.1)
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