NoteActivity.java

package com.commonsware.empublite;

import android.app.Activity;
import android.app.Fragment;
import android.os.Bundle;

public class NoteActivity extends Activity
  implements NoteFragment.Contract {
  public static final String EXTRA_POSITION="position";

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    if (getFragmentManager().findFragmentById(android.R.id.content) == null) {
      int position=getIntent().getIntExtra(EXTRA_POSITION, -1);

      if (position >= 0) {
        Fragment f=NoteFragment.newInstance(position);

        getFragmentManager().beginTransaction()
          .add(android.R.id.content, f).commit();
      }
    }
  }

  @Override
  public void closeNotes() {
    finish();
  }
}