container cannot be resolved or is not a field
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.inserir);
if (savedInstanceState == null) {
getSupportFragmentManager().beginTransaction()
.add(R.id.container, new PlaceholderFragment()).commit();
}
}
o erro esta no "container" aparece esta mensagem: container cannot be resolved or is not a field
Como posso resolver isso????
