Error using onClickListener (Intent)

Question

Well, I\'m trying to create an intent on a \"login.java\" the code is :

 Button btEntrar = (Button) findViewById(R.id.btnSingIn);
    btEntrar.setOnClickLis         


        

Answer 1

Did you add manifest.xml or try this code ?
Intent i = new Intent(login.this,mainActivity.class);