Android Open Source - irma_android_management Confirm Delete Dialog Fragment

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License

The source code is released under:

GNU General Public License

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Java Source Code

/**
 * CardMissingDialogFragment.java// ww  w .  java 2 s  .co m
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 * 
 * Copyright (C) Wouter Lueks, Radboud University Nijmegen, March 2013.
 */

package org.irmacard.androidmanagement.dialogs;

import org.irmacard.credentials.info.CredentialDescription;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.os.Bundle;

public class ConfirmDeleteDialogFragment extends DialogFragment {
  
  private static String EXTRA_CREDENTIAL = "credential";

  public interface ConfirmDeleteDialogListener {
    public void onConfirmDeleteCancel();
        public void onConfirmDeleteOK();
  }
  
  public static ConfirmDeleteDialogFragment getInstance(CredentialDescription cd) {
        ConfirmDeleteDialogFragment f = new ConfirmDeleteDialogFragment();

        Bundle args = new Bundle();
        args.putSerializable(EXTRA_CREDENTIAL, cd);
        f.setArguments(args);

        return f;
  }

    ConfirmDeleteDialogListener mListener;
    CredentialDescription credentialDescription;
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);

    credentialDescription = (CredentialDescription) getArguments()
        .getSerializable(EXTRA_CREDENTIAL);
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        // Use the Builder class for convenient dialog construction
        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());

    builder.setTitle(
        "Erase " + credentialDescription.getShortName()
            + " credential?")
        .setMessage(
            "The credential can only be restored by "
                + credentialDescription.getIssuerDescription()
                    .getName() + ".")
        .setPositiveButton("Delete",
            new DialogInterface.OnClickListener() {
              public void onClick(DialogInterface dialog, int id) {
                mListener.onConfirmDeleteOK();
              }
            })
        .setNegativeButton("Cancel",
            new DialogInterface.OnClickListener() {
              public void onClick(DialogInterface dialog, int id) {
                mListener.onConfirmDeleteCancel();
              }
            });

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

        return dialog;
    }

    // Override the Fragment.onAttach() method to instantiate the PINDialogListener
    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        // Verify that the host activity implements the callback interface
        try {
            // Instantiate the PINDialogListener so we can send events to the host
            mListener = (ConfirmDeleteDialogListener) activity;
        } catch (ClassCastException e) {
            // The activity doesn't implement the interface, throw exception
            throw new ClassCastException(activity.toString()
                    + " must implement PINDialogListener");
        }
    }
}

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