Source link: https://github.com/alimodares2003/FormView

This is a simple form validation in Android. This library will help for required form. Thank you for developer : alimodares2003

FormView

for check required text in EditText

Installation

maven {
 url  https://jitpack.io  
}
  implementation  com.github.alimodares2003:FormView:1.0.1  

How to use

1.add FromView to root layout. also you can add anywhere.

<?xml version="1.0" encoding="utf-8"?> <ir.adp.library.FormView

xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical">

 <!--you can write Edittext and button and other view-->  </ir.adp.library.FormView>

2. for button click hundle:

fv.setOnSubmitClickListener {

 val et = et.getText()

 val et1 = et1.getText()

 val et2 = et2.getText()

 val et3 = et3.getText()

 Toast.makeText(this, "$et $et1 $et2 $et3", Toast.LENGTH_LONG).show()

 //your code

 
}

3.for add submit to toolbar item :

override fun onCreateOptionsMenu(menu: Menu): Boolean {

menuInflater.inflate(R.menu.item_menu, menu)

fv.onNavigationItemSelected(menu){

 Toast.makeText(this, "clicked", Toast.LENGTH_LONG).show()

}

return true
  
}

4.for change error text:

fv.errorText = "is required"

5. for optional you can add this android:tag="optional" to TextInputLayout

Important explanations

1.your button id must be "submit"

2.your toolbar item id must be "submit"

3.EditText must be in TextInputLayout