Android Open Source - My-Wallet-Android Wallet Activity

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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.
 */*w ww.j a va 2s. 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/>.
 */

package piuk.blockchain.android.ui;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.math.BigInteger;
import java.net.URL;
import java.net.URLConnection;
import java.util.regex.Pattern;

import com.google.bitcoin.core.AbstractWalletEventListener;
import com.google.bitcoin.core.Transaction;
import com.google.bitcoin.core.Wallet;
import com.google.bitcoin.core.WalletEventListener;


import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.content.SharedPreferences.Editor;
import android.content.res.Configuration;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.preference.PreferenceManager;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.webkit.WebView;
import android.widget.ImageButton;
import android.widget.Toast;
import piuk.blockchain.R;
import piuk.blockchain.android.BlockchainService;
import piuk.blockchain.android.Constants;
import piuk.blockchain.android.WalletApplication;
import piuk.blockchain.android.util.ActionBarFragment;
import piuk.blockchain.android.util.ErrorReporter;

/**
 * @author Andreas Schildbach
 */
public final class WalletActivity extends AbstractWalletActivity
{
  private static final int REQUEST_CODE_SCAN = 0;
  private static final int DIALOG_HELP = 0;
  private ImageButton infoButton = null;
  private Handler handler = new Handler();
  public long lastShowedWelcome = 0;
  public long lastShowedDecryptionError = 0;

  private AbstractWalletEventListener eventListener = new AbstractWalletEventListener() {
    public void onChange(Wallet arg0) {

      handler.post(new Runnable() {
        public void run() {
          checkDialogs();    
        }
      });
    }
  };

  public void showQRReader() {
    if (getPackageManager().resolveActivity(Constants.INTENT_QR_SCANNER, 0) != null) {
      startActivityForResult(Constants.INTENT_QR_SCANNER, REQUEST_CODE_SCAN);
    } else   {
      showMarketPage(Constants.PACKAGE_NAME_ZXING);
      longToast(R.string.send_coins_install_qr_scanner_msg);
    }
  }

  public void checkDialogs() {
    System.out.println("checkDialogs()");

    WalletApplication application = (WalletApplication) getApplication();

    if (application.hasDecryptionError) {
      if (System.currentTimeMillis() - lastShowedDecryptionError > 10000) {

        Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("https://blockchain.info/wallet/decryption-error"));

        startActivity(browserIntent);  
        
        lastShowedDecryptionError = System.currentTimeMillis();
      }
    }

    if (application.isNewWallet())
      if (System.currentTimeMillis() - lastShowedWelcome > 10000) {
        WelcomeFragment.show(getSupportFragmentManager());

        lastShowedWelcome = System.currentTimeMillis();
      }


    if (application.isNewWallet()) {
      infoButton.setImageResource(R.drawable.ic_action_info_red);  
    } else {
      infoButton.setImageResource(R.drawable.ic_action_info);  
    }
  }

  @Override
  protected void onCreate(final Bundle savedInstanceState)
  {

    super.onCreate(savedInstanceState);

    ErrorReporter.getInstance().check(this);

    setContentView(R.layout.wallet_content);

    final ActionBarFragment actionBar = getActionBar();

    actionBar.setPrimaryTitle(R.string.app_name);

    actionBar.getPrimaryTitleView().setOnClickListener(new OnClickListener()
    {
      public void onClick(final View v)
      {
        WelcomeFragment.show(getSupportFragmentManager());
      }
    });

    actionBar.addButton(R.drawable.ic_action_send).setOnClickListener(new OnClickListener()
    {
      public void onClick(final View v)
      {
        startActivity(new Intent(WalletActivity.this, SendCoinsActivity.class));
      }
    });

    actionBar.addButton(R.drawable.ic_action_receive).setOnClickListener(new OnClickListener()
    {
      public void onClick(final View v)
      {        
        startActivity(new Intent(WalletActivity.this, RequestCoinsActivity.class));
      }
    });

    infoButton = actionBar.addButton(R.drawable.ic_action_info);

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

        Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("https://blockchain.info/wallet/iphone-view?guid="+application.getRemoteWallet().getGUID()+"&sharedKey="+application.getRemoteWallet().getSharedKey()));

        startActivity(browserIntent);
      }
    });


    if ((getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_LARGE)
    {
      actionBar.addButton(R.drawable.ic_action_address_book).setOnClickListener(new OnClickListener()
      {
        public void onClick(final View v)
        {
          WalletAddressesActivity.start(WalletActivity.this, true);
        }
      });
    }

    if ((getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) < Configuration.SCREENLAYOUT_SIZE_LARGE)
    {
      final FragmentManager fm = getSupportFragmentManager();
      final FragmentTransaction ft = fm.beginTransaction();
      ft.hide(fm.findFragmentById(R.id.exchange_rates_fragment));
      ft.commit();
    }

    checkVersionAndTimeskewAlert();

    checkDialogs();
  }

  @Override
  protected void onResume()
  {

    WalletApplication application = (WalletApplication) getApplication();

    application.connect();

    application.getWallet().addEventListener(eventListener);

    super.onResume();

    checkLowStorageAlert();
  }

  @Override
  protected void onPause()
  {
    WalletApplication application = (WalletApplication) getApplication();

    application.diconnectSoon();

    application.getWallet().removeEventListener(eventListener);

    super.onPause();
  }

  @Override
  public boolean onCreateOptionsMenu(final Menu menu)
  {
    super.onCreateOptionsMenu(menu);
    getMenuInflater().inflate(R.menu.wallet_options, menu);
    menu.findItem(R.id.wallet_options_donate).setVisible(!Constants.TEST);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(final MenuItem item)
  {
    switch (item.getItemId())
    {
    case R.id.wallet_options_address_book:
      WalletAddressesActivity.start(WalletActivity.this, true);
      return true;

    case R.id.wallet_options_preferences:
      startActivity(new Intent(this, PreferencesActivity.class));
      return true;

    case R.id.wallet_options_donate:
      final Intent intent = new Intent(this, SendCoinsActivity.class);
      intent.putExtra(SendCoinsActivity.INTENT_EXTRA_ADDRESS, Constants.DONATION_ADDRESS);
      startActivity(intent);
      return true;


    case R.id.wallet_options_bug:
      Intent i = new Intent(Intent.ACTION_SEND);
      i.setType("text/plain");
      i.putExtra(Intent.EXTRA_EMAIL  , new String[]{"support@pi.uk.com"});
      i.putExtra(Intent.EXTRA_SUBJECT, "Exception Report");

      String log = application.readExceptionLog();
      if (log != null)
        i.putExtra(Intent.EXTRA_TEXT, log);

      try {
        startActivity(Intent.createChooser(i, "Send mail..."));
      } catch (android.content.ActivityNotFoundException ex) {
        Toast.makeText(this, "There are no email clients installed.", Toast.LENGTH_SHORT).show();
      }

      return true;
    case R.id.wallet_options_help:
      showDialog(DIALOG_HELP);
      return true;
    }

    return false;
  }

  @Override
  protected Dialog onCreateDialog(final int id)
  {
    final WebView webView = new WebView(this);
    if (id == DIALOG_HELP)
      webView.loadUrl("file:///android_asset/help" + languagePrefix() + ".html");

    final Dialog dialog = new Dialog(WalletActivity.this);
    dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
    dialog.setContentView(webView);
    dialog.setCanceledOnTouchOutside(true);

    return dialog;
  }

  private void checkLowStorageAlert()
  {
    final Intent stickyIntent = registerReceiver(null, new IntentFilter(Intent.ACTION_DEVICE_STORAGE_LOW));
    if (stickyIntent != null)
    {
      final AlertDialog.Builder builder = new AlertDialog.Builder(this);
      builder.setIcon(android.R.drawable.ic_dialog_alert);
      builder.setTitle(R.string.wallet_low_storage_dialog_title);
      builder.setMessage(R.string.wallet_low_storage_dialog_msg);
      builder.setPositiveButton(R.string.wallet_low_storage_dialog_button_apps, new DialogInterface.OnClickListener()
      {
        public void onClick(final DialogInterface dialog, final int id)
        {
          startActivity(new Intent(android.provider.Settings.ACTION_MANAGE_APPLICATIONS_SETTINGS));
          finish();
        }
      });
      builder.setNegativeButton(R.string.button_dismiss, null);
      builder.show();
    }
  }

  private void checkVersionAndTimeskewAlert()
  {
    new Thread()
    {
      @Override
      public void run()
      {
        try
        {
          final int versionCode = getWalletApplication().applicationVersionCode();
          final URLConnection connection = new URL(Constants.VERSION_URL + "?current=" + versionCode).openConnection();
          connection.connect();
          final long serverTime = connection.getHeaderFieldDate("Date", 0);
          final InputStream is = connection.getInputStream();
          final BufferedReader reader = new BufferedReader(new InputStreamReader(is));
          // final String version = reader.readLine();
          reader.close();

          if (serverTime > 0)
          {
            final long diffMinutes = Math.abs((System.currentTimeMillis() - serverTime) / 1000 / 60);

            if (diffMinutes >= 60)
            {
              runOnUiThread(new Runnable()
              {
                public void run()
                {
                  if (!isFinishing())
                    timeskewAlert(diffMinutes);
                }
              });
            }
          }
        }
        catch (final Exception x)
        {
          x.printStackTrace();
        }
      }
    }.start();
  }

  private void timeskewAlert(final long diffMinutes)
  {
    final AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setIcon(android.R.drawable.ic_dialog_alert);
    builder.setTitle(R.string.wallet_timeskew_dialog_title);
    builder.setMessage(getString(R.string.wallet_timeskew_dialog_msg, diffMinutes));
    builder.setPositiveButton(R.string.wallet_timeskew_dialog_button_settings, new DialogInterface.OnClickListener()
    {
      public void onClick(final DialogInterface dialog, final int id)
      {
        startActivity(new Intent(android.provider.Settings.ACTION_DATE_SETTINGS));
        finish();
      }
    });
    builder.setNegativeButton(R.string.button_dismiss, null);
    builder.show();
  }
}
Java Source Code List
