registration form validation in android and check conferm password in android app

 

As a learn the previous tutorial I have to try to develop a registration form with the help of XML and java in android Studio.  in a previous tutorial I have complete the registration form but we are not complete the form validation in App. now we are trying to complete it, but in this hear i have write-only MainActivity code but you can refer previous registration form design code click hear  

now Start form Validation

package com.bspl.form;


import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class Registation extends Activity {
Button Registation;
EditText name,emailid,phonenumbe,password,confermpassword;
String str_name,str_emailid,str_phonenumbe,str_password,str_confermpassword;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_registation);
        Registation=findViewById(R.id.bt_login);
        name=findViewById(R.id.Et_Name);
        emailid=findViewById(R.id.Et_Emailid);
        phonenumbe=findViewById(R.id.Et_phonenumber);
        password=findViewById(R.id.Et_password);
        confermpassword=findViewById(R.id.Et_confermpassword);

        Registation.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

// form validation starting hear
                volidation();

            }
        });
    }

    private void volidation() {
        str_name=name.getText().toString();
        str_emailid=emailid.getText().toString();
        str_phonenumbe=phonenumbe.getText().toString();
        str_password=password.getText().toString();
        str_confermpassword=confermpassword.getText().toString();
        if(str_name.equals("")){
            name.setError("Please Enter Name");
        }
        else if(str_emailid.equals("")){
            emailid.setError("Please Enter Email Id");
        }
        else if(str_phonenumbe.equals("")){
            phonenumbe.setError("Please Enter Phone Number");
        }
        else if(str_password.equals("")){
            password.setError("Please Enter Password");
        }
        else if(!str_confermpassword.equals(str_password)){
            Toast.makeText(this, "Password is not match", Toast.LENGTH_SHORT).show();        }
        else {
            Toast.makeText(this, "Now Form is valid"+str_name, Toast.LENGTH_SHORT).show();
        }
    }
}