I want to add java android code to check if the current inputed mobile number already exist in database , if yes i want to prevent the user from signing up with this number heres my database enter image description here
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1Can you share what you tried ? – Gobelet Sep 19 '20 at 06:56
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Please check the duplicate to see how you can check if a mobile number exists. – Alex Mamo Sep 19 '20 at 08:07