Android Open Source - android-wallet Wallet Overview

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright (c) 2014 Flavien Charlon/* www . ja va 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/>.
 */

package com.coinprism.wallet;

import android.app.ActionBar;
import android.app.AlertDialog;
import android.app.FragmentTransaction;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.ViewPager;
import android.view.Menu;
import android.view.MenuItem;

import com.coinprism.model.WalletState;
import com.coinprism.wallet.adapter.TabsPagerAdapter;
import com.google.common.base.Joiner;
import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;

import org.bitcoinj.crypto.MnemonicCode;
import org.bitcoinj.crypto.MnemonicException;

import java.util.List;

/**
 * The main activity of the application.
 */
public class WalletOverview extends FragmentActivity implements ActionBar.TabListener
{
    private ViewPager viewPager;
    private ActionBar actionBar;

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_wallet_overview);

        // Initialization
        viewPager = (ViewPager) findViewById(R.id.pager);
        actionBar = getActionBar();

        final TabsPagerAdapter tabsPagerAdapter = new TabsPagerAdapter(getSupportFragmentManager());

        viewPager.setAdapter(tabsPagerAdapter);
        actionBar.setHomeButtonEnabled(false);
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

        String[] tabs = new String[]
        {
            getResources().getString(R.string.tab_send),
            getResources().getString(R.string.tab_wallet),
            getResources().getString(R.string.tab_transactions)
        };

        // Adding Tabs
        for (String tab_name : tabs)
        {
            actionBar.addTab(actionBar.newTab().setText(tab_name).setTabListener(this));
        }

        // On swiping the viewpager make respective tab selected
        viewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener()
        {
            @Override
            public void onPageSelected(int position)
            {
                // on changing the page
                // make respected tab selected
                actionBar.setSelectedNavigationItem(position);
            }

            @Override
            public void onPageScrolled(int arg0, float arg1, int arg2)
            {
            }

            @Override
            public void onPageScrollStateChanged(int arg0)
            {
            }
        });

        viewPager.setCurrentItem(1);
    }

    @Override
    public void onStart()
    {
        super.onStart();

        WalletState.getState().triggerUpdate();

        if (WalletState.getState().getFirstLaunch())
        {
            // At first launch, calculate the mnemonic and display it to the user
            final AlertDialog.Builder alertDialog = new AlertDialog.Builder(this);

            try
            {
                final List<String> mnemonic = MnemonicCode.INSTANCE.toMnemonic(
                    WalletState.getState().getConfiguration().getSeed());
                final String fullMnemonic = Joiner.on(" ").join(mnemonic);

                alertDialog.setTitle(getString(R.string.general_first_launch_title));
                alertDialog.setMessage(getString(R.string.general_first_launch_message, fullMnemonic));

                alertDialog.setPositiveButton(
                    getString(R.string.general_first_launch_close),
                    new DialogInterface.OnClickListener()
                    {
                        public void onClick(DialogInterface dialog, int which)
                        {
                            dialog.dismiss();
                            WalletState.getState().unsetFirstLaunch();
                        }
                    });

                alertDialog.show();
            }
            catch (MnemonicException.MnemonicLengthException exception)
            { }
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu)
    {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.wallet_overview, menu);
        return true;
    }

    public void onActivityResult(int requestCode, int resultCode, Intent intent)
    {
        IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
        if (scanResult != null)
        {
            WalletState.getState().getSendTab().setAddress(scanResult.getContents());
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item)
    {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings)
        {
            Intent intent = new Intent(this, UserPreferences.class);
            startActivity(intent);
            return true;
        }
        else if (id == R.id.action_refresh)
        {
            // Refresh the balance
            WalletState.getState().getBalanceTab().triggerRefresh();
            // Refresh the list of transactions
            WalletState.getState().getTransactionsTab().triggerRefresh();
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    @Override
    public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft)
    {
    }

    @Override
    public void onTabSelected(ActionBar.Tab tab, FragmentTransaction ft)
    {
        // on tab selected
        // show respected fragment view
        viewPager.setCurrentItem(tab.getPosition());
    }

    @Override
    public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction ft)
    {
    }
}

Java Source Code List

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