package com.digitalar; import android.content.Intent; import android.support.design.widget.TextInputEditText; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.EditText; public class LoginScreen extends AppCompatActivity { EditText Username; EditText Password; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_login_screen); Username = (EditText) findViewById(R.id.email); Password = (EditText) findViewById(R.id.password); } public void get(View view) { if(Username.getText().toString().length()==0) Username.setError("Enter The Username"); if(Password.getText().toString().length()==0) Password.setError("Enter The Password"); // Intent in = new Intent(this,) } }