Can't connect to the camera

Vanessa, coloca teu código formatado. Fica mais legível. E coloca o erro que tá aparecendo.

package br.com.embrapa.agendateste;

import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;

import com.google.android.gms.appindexing.Action;
import com.google.android.gms.appindexing.AppIndex;
import com.google.android.gms.common.api.GoogleApiClient;

import java.io.File;

import br.com.embrapa.agendateste.dao.AlunoDAO;
import br.com.embrapa.agendateste.modelo.Aluno;

public class FormularioActivity extends AppCompatActivity {

        /**
     * ATTENTION: This was auto-generated to implement the App Indexing API.
     * See https://g.co/AppIndexing/AndroidStudio for more information.
     */
    private FormularioHelper helper;
    private GoogleApiClient client;
    private String caminhoFoto;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_formulario);
        // manipula campos dos formulário retira dos dados do formulario e joga para o aluno
        helper = new FormularioHelper (this);

        // recuperar a intent aluno do formulario lista alunos
        Intent intent = getIntent();
        Aluno aluno = (Aluno) intent.getSerializableExtra("aluno");

        if (aluno != null){
            // recupera os dados do aluno
            helper.preencheFormulario(aluno);
        }

        Button botaoFoto = (Button) findViewById(R.id.formulario_botao_foto);
        botaoFoto.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intentCamera = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                String caminhoFoto = getExternalFilesDir(null) + "/foto.jpg";
                File arquivoFoto = new File(caminhoFoto);
                intentCamera.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(arquivoFoto));
                startActivity(intentCamera);
            }
        });


            // ATTENTION: This was auto-generated to implement the App Indexing API.
        // See https://g.co/AppIndexing/AndroidStudio for more information.
        client = new GoogleApiClient.Builder(this).addApi(AppIndex.API).build();
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {

        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.menu_formulario, menu);

        return super.onCreateOptionsMenu(menu);

    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.menu_formulario_ok:

                Aluno aluno = helper.pegaAluno();
                AlunoDAO dao = new AlunoDAO(this);
                // se
                if (aluno.getId() != null){
                    dao.altera(aluno);
                }else{
                    dao.insere(aluno);
                }
                //context

                dao.close();

                Toast.makeText(FormularioActivity.this,"Aluno " + aluno.getNome() + " salvo!", Toast.LENGTH_SHORT).show();
                finish();
                break;
            }
            return super.onOptionsItemSelected(item);
        }

    @Override
    public void onStart() {
        super.onStart();

        // ATTENTION: This was auto-generated to implement the App Indexing API.
        // See https://g.co/AppIndexing/AndroidStudio for more information.
        client.connect();
        Action viewAction = Action.newAction(
                Action.TYPE_VIEW, // TODO: choose an action type.
                "Formulario Page", // TODO: Define a title for the content shown.
                // TODO: If you have web page content that matches this app activity's content,
                // make sure this auto-generated web page URL is correct.
                // Otherwise, set the URL to null.
                Uri.parse("http://host/path"),
                // TODO: Make sure this auto-generated app URL is correct.
                Uri.parse("android-app://br.com.embrapa.agendateste/http/host/path")
        );
        AppIndex.AppIndexApi.start(client, viewAction);
    }

    @Override
    public void onStop() {
        super.onStop();

        // ATTENTION: This was auto-generated to implement the App Indexing API.
        // See https://g.co/AppIndexing/AndroidStudio for more information.
        Action viewAction = Action.newAction(
                Action.TYPE_VIEW, // TODO: choose an action type.
                "Formulario Page", // TODO: Define a title for the content shown.
                // TODO: If you have web page content that matches this app activity's content,
                // make sure this auto-generated web page URL is correct.
                // Otherwise, set the URL to null.
                Uri.parse("http://host/path"),
                // TODO: Make sure this auto-generated app URL is correct.
                Uri.parse("android-app://br.com.embrapa.agendateste/http/host/path")
        );
        AppIndex.AppIndexApi.end(client, viewAction);
        client.disconnect();
    }
}

Vanessa Conseguiu resolver?

fechando o post, se a dúvida ainda existir é só perguntar :D