Android Open Source - Books Edit Or Delete Dialog Fragment

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License

The source code is released under:

Apache License

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Java Source Code

package com.contender.books;
//from   w w w  .  j a  v a2  s .c  om
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.os.Bundle;

/**
 * Implements the EditOrDeleteDialogFragment dialog used by {@link MainView}
 * <p>
 * Inquires if the user wants to edit or delete the selected item from the ListView.
 * 
 * @author Paul Klinkenberg
 */
public class EditOrDeleteDialogFragment extends DialogFragment {

  /* The activity that creates an instance of this dialog fragment must
   * implement this interface in order to receive event callbacks.
   * Each method passes the DialogFragment in case the host needs to query it. */
  public interface EditOrDeleteDialogListener {
    public void onDialogEditClick(DialogFragment dialog);
    public void onDialogDeleteClick(DialogFragment dialog);
  }

  // Use this instance of the interface to deliver action events
  EditOrDeleteDialogListener mListener;

  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);
    // Verify that the host activity implements the callback interface
    try {
      mListener = (EditOrDeleteDialogListener) activity;
    } catch (ClassCastException e) {
      throw new ClassCastException(activity.toString() + " must implement EditOrDeleteDialogListener");
    }
  }


  @Override
  public Dialog onCreateDialog(Bundle savedInstanceState) {
    AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
    builder.setMessage(R.string.dialog_edit_or_delete);
    builder.setPositiveButton(R.string.dialog_edit, new DialogInterface.OnClickListener() {
      public void onClick(DialogInterface dialog, int id) {
        mListener.onDialogEditClick(EditOrDeleteDialogFragment.this);
      }
    });
    builder.setNegativeButton(R.string.dialog_delete, new DialogInterface.OnClickListener() {
      public void onClick(DialogInterface dialog, int id) {
        // Delete entry
        mListener.onDialogDeleteClick(EditOrDeleteDialogFragment.this);
      }
    });

    // Create the AlertDialog object and return it
    return builder.create();

  }
}

Java Source Code List