How to solve chapter 4 challenge?

I get stucked in chapter 4 challenge. I know the problem is double tapping. buy I dont know how to resolve it!

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Hello @tinawrittel, we will like to welcome you to our community. Glad you are here.In other to help you well, do you mind explaining more to us where you need help for so we can properly guide you. As you are following the sample, is it that it is not running on your end?

Please let me know so i can work with you asap on this.

Hi, sorry it was about debugging in android, i put it in the wrong place.
Thanks for your attention :slightly_smiling_face: