How to Create Simple Login form in Android Studio Without using Database? [With Source Code]

see the layout designing procedure in the video listed below the code.

public class MainActivity extends AppCompatActivity {
    Button login;     

    EditText username, password;
    @Override     

protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState); 

        setContentView(R.layout.activity_main);         

        login=(Button)findViewById(R.id.btnlogin); 

        username=(EditText)findViewById(R.id.txtuser);         

        password=(EditText)findViewById(R.id.txtpass);         

        login.setOnClickListener(new View.OnClickListener() {
            @Override             

        public void onClick(View v) {
                login();
            }
        });
    }
    public void login(){
        String user=username.getText().toString().trim(); 

        String pass=password.getText().toString().trim(); 

        if(user.equals("techsupportnep")&& pass.equals("techsupportnep"))
        {
            Toast.makeText(this,"username and password matched!",Toast.LENGTH_LONG).show();        }else {
     Toast.makeText(this,"username and password do not matched!",Toast.LENGTH_LONG).show();        }
    }
}

Videos: