Android Open Source - irma_android_management Credential Detail Fragment

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Back to project page irma_android_management.

License

The source code is released under:

GNU General Public License

Java Source Code

/**
 * CredentialDetailFragment.java/*from   w  ww.j a v a2s  .c om*/
 * 
 * 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, Februari 2013.
 */

package org.irmacard.androidmanagement;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

import org.irmacard.android.util.credentials.AndroidWalker;
import org.irmacard.android.util.credentials.CredentialPackage;
import org.irmacard.androidmanagement.adapters.CredentialAttributeAdapter;
import org.irmacard.credentials.Attributes;
import org.irmacard.credentials.info.AttributeDescription;
import org.irmacard.credentials.info.CredentialDescription;
import org.irmacard.credentials.info.IssuerDescription;

import android.app.Activity;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

/**
 * A fragment representing a single Credential detail screen. This fragment is
 * either contained in a {@link CredentialListActivity} in two-pane mode (on
 * tablets) or a {@link CredentialDetailActivity} on handsets.
 */
public class CredentialDetailFragment extends Fragment {
  /**
   * The fragment argument representing the item ID that this fragment
   * represents.
   */
  public static final String ARG_ITEM_ID = "item_id";
  public static final String ARG_ITEM = "item";
  
  public interface Callbacks {
    /**
     * Callback when credential has to be deleted
     */
    void onDeleteCredential(CredentialDescription cd);
  }

  CredentialAttributeAdapter mAdapter;
  CredentialPackage credential;
  AndroidWalker aw;

  private LayoutInflater inflater;
  private org.irmacard.androidmanagement.CredentialDetailFragment.Callbacks mCallbacks;

  /**
   * Mandatory empty constructor for the fragment manager to instantiate the
   * fragment (e.g. upon screen orientation changes).
   */
  public CredentialDetailFragment() {
  }

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

    if (getArguments().containsKey(ARG_ITEM)) {
      credential = (CredentialPackage) getArguments().getSerializable(ARG_ITEM);
    }
    
    aw = new AndroidWalker(getResources().getAssets());
  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    View rootView = inflater.inflate(R.layout.fragment_credential_detail,
        container, false);

    this.inflater = inflater;

    return rootView;
  }
  
  public void onViewCreated(View view, Bundle savedInstanceState) {
    LinearLayout list = (LinearLayout) view
        .findViewById(R.id.detail_attribute_list);
    
    TextView issuerName = (TextView) view.findViewById(R.id.detail_issuer_description_name);
    TextView issuerAddress = (TextView) view.findViewById(R.id.detail_issuer_description_address);
    TextView issuerEMail = (TextView) view.findViewById(R.id.detail_issuer_description_email);
    TextView credentialDescription = (TextView) view.findViewById(R.id.detail_credential_desc_text);
    TextView validityValue = (TextView) view.findViewById(R.id.detail_validity_value);
    TextView validityRemaining = (TextView) view.findViewById(R.id.detail_validity_remaining);
    ImageView issuerLogo = (ImageView) view.findViewById(R.id.detail_issuer_logo);
    Button deleteButton = (Button) view.findViewById(R.id.detail_delete_button);
    
    IssuerDescription issuer = credential.getCredentialDescription().getIssuerDescription();
    issuerName.setText(issuer.getName());
    issuerAddress.setText(issuer.getContactAddress());
    issuerEMail.setText(issuer.getContactEMail());
    
    // This is not so nice, rather used a Listview here, but it is not possible
    // to easily make it not scrollable and show all the items.
    List<AttributeDescription> attr_desc = credential.getCredentialDescription().getAttributes();
    Attributes attr_vals = credential.getAttributes();
    for (int position = 0; position < attr_desc.size(); position++) {
      View attributeView = inflater.inflate(R.layout.row_attribute, null);

      TextView name = (TextView) attributeView.findViewById(R.id.detail_attribute_name);
      TextView value = (TextView) attributeView.findViewById(R.id.detail_attribute_value);

      AttributeDescription desc = attr_desc.get(position);
      name.setText(desc.getName() + ":");
      value.setText(new String(attr_vals.get(desc.getName())));

      list.addView(attributeView);
    }

    // Display expiry
    if (credential.getAttributes().isValid()) {
      DateFormat sdf = SimpleDateFormat.getDateInstance(DateFormat.LONG);
      Date expirydate = credential.getAttributes().getExpiryDate();
      validityValue.setText(sdf.format(expirydate));

      int deltaDays = (int) ((expirydate.getTime() - Calendar
          .getInstance().getTime().getTime())
          / (1000 * 60 * 60 * 24));
      // FIXME: text should be from resources
      validityRemaining.setText(deltaDays + " days remaining");

    } else {
      // Credential has expired
      validityValue.setText(R.string.credential_no_longer_valid);
      validityValue.setTextColor(getResources().getColor(R.color.irmared));
      validityRemaining.setText("");
    }
    
    credentialDescription.setText(credential.getCredentialDescription().getDescription());
    
    // Setting logo of issuer
    Bitmap logo = aw.getIssuerLogo(credential.getCredentialDescription()
        .getIssuerDescription());

    if(logo != null) {
      issuerLogo.setImageBitmap(logo);
    }

    // On delete button clicked
    deleteButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v){
            clickedDeleteButton();
        }
    });
  }

  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);

    // Activities containing this fragment must implement its callbacks.
    if (!(activity instanceof Callbacks)) {
      throw new IllegalStateException(
          "Activity must implement fragment's callbacks.");
    }

    mCallbacks = (Callbacks) activity;
  }

  private void clickedDeleteButton() {
    Log.i("blaat", "Delete button clicked");
    mCallbacks.onDeleteCredential(credential.getCredentialDescription());
  }
}

Java Source Code List

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