Android Open Source - My-Wallet-Android New Account Fragment

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License

The source code is released under:
GNU General Public License
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Java Source Code

/*
 * Copyright 2011-2012 the original author or authors.
 */*from   ww  w . j  a  v  a  2 s.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/>.
 */

package piuk.blockchain.android.ui;

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;

import org.apache.commons.io.IOUtils;

import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Intent;
import android.content.SharedPreferences.Editor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import piuk.blockchain.R;
import piuk.blockchain.android.WalletApplication;

/**
 * @author Andreas Schildbach
 */
public final class NewAccountFragment extends DialogFragment
{
  private static final String FRAGMENT_TAG = NewAccountFragment.class.getName();

  public static Bitmap loadBitmap(String url) throws MalformedURLException, IOException {
    Bitmap bitmap = null;

    final byte[] data = IOUtils.toByteArray(new URL(url).openStream());
    BitmapFactory.Options options = new BitmapFactory.Options();

    bitmap = BitmapFactory.decodeByteArray(data, 0, data.length,options);

    return bitmap;
  }

  public void refreshCaptcha(View view) {
    final ImageView captchaImage = (ImageView) view.findViewById(R.id.captcha_image);

    new Thread(new Runnable() {
      public void run() {
        try {
          final Bitmap b = loadBitmap("https://blockchain.info/kaptcha.jpg");
          captchaImage.post(new Runnable() {
            public void run() {
              captchaImage.setImageBitmap(b);
            }
          });
        } catch (Exception e) {

          captchaImage.post(new Runnable() {
            public void run() {
              Toast.makeText(getActivity().getApplication(), R.string.toast_error_downloading_captcha, Toast.LENGTH_LONG).show();
            }
          });

          e.printStackTrace();
        }
      }
    }).start();
  }

  public static NewAccountFragment show(final FragmentManager fm)
  {  
    final DialogFragment prev = (DialogFragment) fm.findFragmentById(R.layout.new_account_dialog);
    
    final FragmentTransaction ft = fm.beginTransaction();

    if (prev != null) {
      prev.dismiss();
      ft.remove(prev);
    }
    
    ft.addToBackStack(null);
    
    final NewAccountFragment newFragment = instance();

    newFragment.show(ft, FRAGMENT_TAG);

    return newFragment;
  }

  static NewAccountFragment instance()
  {
    final NewAccountFragment fragment = new NewAccountFragment();

    return fragment;
  }


  @Override
  public Dialog onCreateDialog(final Bundle savedInstanceState)
  {
    final FragmentActivity activity = getActivity();
    final LayoutInflater inflater = LayoutInflater.from(activity);

    final Builder dialog = new AlertDialog.Builder(activity).setTitle(R.string.new_account_title);

    final View view = inflater.inflate(R.layout.new_account_dialog, null);

    dialog.setView(view);

    final Button createButton = (Button) view.findViewById(R.id.create_button);
    final TextView password = (TextView) view.findViewById(R.id.password);
    final TextView password2 = (TextView) view.findViewById(R.id.password2);
    final TextView captcha = (TextView) view.findViewById(R.id.captcha);

    refreshCaptcha(view);


    createButton.setOnClickListener(new OnClickListener() {
      public void onClick(View v)
      {
        final WalletApplication application = (WalletApplication) getActivity().getApplication();

        if (password.getText().length() < 10 || password.getText().length() > 255) {
          Toast.makeText(application, R.string.new_account_password_length_error, Toast.LENGTH_LONG).show();
          return;
        }

        if (!password.getText().toString().equals(password2.getText().toString())) {
          Toast.makeText(application, R.string.new_account_password_mismatch_error, Toast.LENGTH_LONG).show();
          return;
        }

        if (captcha.getText().length() == 0) {
          Toast.makeText(application, R.string.new_account_no_kaptcha_error, Toast.LENGTH_LONG).show();
          return;
        }

        final ProgressDialog progressDialog = ProgressDialog.show(getActivity(), "", getString(R.string.creating_account), true);

        
        progressDialog.show();

        final Handler handler = new Handler();

        new Thread(){
          @Override
          public void run() {
            try {
              application.getRemoteWallet().setTemporyPassword(password.getText().toString());
              
              application.getRemoteWallet().remoteSave(captcha.getText().toString());

              handler.post(new Runnable() {
                public void run() {
                  progressDialog.dismiss();

                  dismiss();
                  
                  Toast.makeText(getActivity().getApplication(), R.string.new_account_success, Toast.LENGTH_LONG).show();
                  
                  Editor edit = PreferenceManager.getDefaultSharedPreferences(application.getApplicationContext()).edit();

                  edit.putString("guid", application.getRemoteWallet().getGUID());
                  edit.putString("sharedKey", application.getRemoteWallet().getSharedKey());
                  edit.putString("password", password.getText().toString());

                  if (edit.commit()) {
                    application.loadRemoteWallet();
                  } else {
                    
                    AbstractWalletActivity activity = (AbstractWalletActivity) getActivity();
                    
                    activity.errorDialog(R.string.error_pairing_wallet, "Error saving preferences");
                  }
                  

                }
              });
            } catch (final Exception e) {
              e.printStackTrace();

              handler.post(new Runnable() {
                public void run() {
                  progressDialog.dismiss();

                  refreshCaptcha(view);
                  
                  captcha.setText(null);
                  
                  Toast.makeText(getActivity().getApplication(), e.getLocalizedMessage(), Toast.LENGTH_LONG).show();
                }
              });
            }
          }
        }.start();
      }
    });

    return dialog.create();
  }
}
Java Source Code List
