I am new to android mobile development (Android Studio native development - for new knowledge). And here I want to ask a question regarding best practice for input validation. As far we know, when a developer develop input form. We need to prevent a user from key in a wrong input into the text field. So here is my question, Can we create one java file for validation purpose only? All input form ,m
![Best Practice: Input Validation (Android)](https://cdn-ak-scissors.b.st-hatena.com/image/square/98d6f053a97a87156775f60757c60865d0f2c47d/height=288;version=1;width=512/https%3A%2F%2Fcdn.sstatic.net%2FSites%2Fstackoverflow%2FImg%2Fapple-touch-icon%402.png%3Fv%3D73d79a89bded)