coding

package com.example.admin_08.demo;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
   void loginFun(View v)
   {
       EditText euser = (EditText)findViewById(R.id.txtUser);
       EditText epass = (EditText)findViewById(R.id.txtPass);
       String a = euser.toString();
       String b =epass.toString();
       if(a=="ADMIN" && b=="ADMIN")
       {
           Intent i = new Intent(this,login.class);
           i.putExtra("USERNAME:",a);
           startActivity(i);
       }
       else{
           Intent i = new Intent(this,failedpage.class);
           startActivity(i);
       }
   }
}