UserName:  .....

Password:  .....

     LoginButton

boolean checkFocus=user.requestFocus();
    Log.i("CheckFocus", ""+checkFocus);
    if(checkFocus==true)
    {
    InputMethodManager mgr = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
    mgr.showSoftInput(user, InputMethodManager.SHOW_IMPLICIT);
    }

edittext.requestFocus();

<EditText...>
    <requestFocus />
</EditText>

<activity android:name=".MainActivity"
        android:label="@string/app_name"
        android:windowSoftInputMode="stateAlwaysVisible" />

oncreate();

ed1.requestFocus();

            return; //Faça um return para retornar o foco