Android Open Source - fragments Main Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package edu.cs4730.frag4demo;
// w  w  w. j a v  a  2  s .c  om
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.os.Bundle;


public class MainActivity extends FragmentActivity implements OneFragment.OnFragmentInteractionListener {


  //used to move the fragments.
  FragmentManager fragmentManager;
  int num_two =0;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);


    fragmentManager = getSupportFragmentManager();

    if (savedInstanceState == null) {
      fragmentManager.beginTransaction()
      .add(R.id.container, OneFragment.newInstance("First time", "Created by MainActivity")).commit();
    }
  }



  /*
   * This is the callback for MainFragment.  It takes as which number, which well is the fragment
   * to launch.
   */
  @Override
  public void onFragmentInteraction() {

    //going to change via the transcation manager, instead of just a simple replace.
    FragmentTransaction transaction =fragmentManager.beginTransaction();

    //add twofragment to the top.
    transaction.replace(R.id.container,  TwoFragment.newInstance(String.valueOf(num_two), "Called From OneFrag"));  

    //So the back button works, add the transaction to the back stack so the user can navigate back via the back button
    transaction.addToBackStack(null);

    // Commit the transaction
    transaction.commit();
    num_two++;
  }

}

Java Source Code List

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