Android Open Source - CMOV_Stock_Portfolio Main Activity

• Back to App/stock  ↑

From Project

Back to project page CMOV_Stock_Portfolio.

License

The source code is released under:

MIT License

Java Source Code

package cmov.stock_portfolio;
/*  w w  w.j  a va 2s  .  c  o  m*/
import java.util.Locale;

import android.app.ActionBar;
import android.app.FragmentTransaction;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.Menu;
import cmov.stock.stock_portfolio.R;

import common.Common;

public class MainActivity extends FragmentActivity implements ActionBar.TabListener {

  /**
   * The {@link android.support.v4.view.PagerAdapter} that will provide
   * fragments for each of the sections. We use a
   * {@link android.support.v4.app.FragmentPagerAdapter} derivative, which
   * will keep every loaded fragment in memory. If this becomes too memory
   * intensive, it may be best to switch to a
   * {@link android.support.v4.app.FragmentStatePagerAdapter}.
   */
  SectionsPagerAdapter mSectionsPagerAdapter;
  
  /**
   * The {@link ViewPager} that will host the section contents.
   */
  ViewPager mViewPager;

  @Override
  protected void onDestroy() {
    Common.saveStocks(getApplication());

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

    Common.loadStocks(getApplication());
    Common.loadPopular();
    
    // Set up the action bar.
    final ActionBar actionBar = getActionBar();
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
    actionBar.setDisplayShowTitleEnabled(false); 
    // Create the adapter that will return a fragment for each of the three
    // primary sections of the app.
    mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());

    // Set up the ViewPager with the sections adapter.
    mViewPager = (ViewPager) findViewById(R.id.pager);
    mViewPager.setAdapter(mSectionsPagerAdapter);
    // When swiping between different sections, select the corresponding
    // tab. We can also use ActionBar.Tab#select() to do this if we have
    // a reference to the Tab.
    mViewPager
    .setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
      @Override
      public void onPageSelected(int position) {
        switch(position)
        {
        case 0:
          ((TotalPortfolio) mSectionsPagerAdapter.instantiateItem(mViewPager, 0)).onResume();
          break;
        case 1:
          ((Portfolio) mSectionsPagerAdapter.instantiateItem(mViewPager, 1)).onResume();
          break;
        }

      }
    });
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    return super.onCreateOptionsMenu(menu);
  }
  
  @Override
  public void onTabSelected(ActionBar.Tab tab,
      FragmentTransaction fragmentTransaction) {
    // When the given tab is selected, switch to the corresponding page in
    // the ViewPager.
    mViewPager.setCurrentItem(tab.getPosition());
  }

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

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

  /**
   * A {@link FragmentPagerAdapter} that returns a fragment corresponding to
   * one of the sections/tabs/pages.
   */
  public class SectionsPagerAdapter extends FragmentPagerAdapter {

    public SectionsPagerAdapter(FragmentManager fm) {
      super(fm);
    }

    @Override
    public Fragment getItem(int position) {
      // getItem is called to instantiate the fragment for the given page.
      // Return a DummySectionFragment (defined as a static inner class
      // below) with the page number as its lone argument.
      switch (position)
      {
      case 0: 
        return new TotalPortfolio();
      case 1:
        return new Portfolio();
      default:
        return new TotalPortfolio();
      }
    }

    @Override
    public int getCount() {
      // Show 3 total pages.
      return 2;
    }

    @Override
    public CharSequence getPageTitle(int position) {
      Locale l = Locale.getDefault();
      switch (position) {
      case 0:
        return getString(R.string.title_section1).toUpperCase(l);
      case 1:
        return getString(R.string.title_section2).toUpperCase(l);
      }
      return null;
    }
  }
}

Java Source Code List

• Back to App/stock  ↑