Android Open Source - blargh Main Activity

• Back to Chat/encrypt  ↑

From Project

Back to project page blargh.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.travisbporter.blargh;
//from www  . j a v  a 2 s .  c  o m
import java.util.Locale;

import android.app.ActionBar;
import android.app.FragmentTransaction;
import android.content.Intent;
import android.nfc.NfcAdapter;
import android.os.Bundle;
import android.preference.PreferenceFragment;
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.app.NavUtils;
import android.support.v4.view.ViewPager;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;

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 onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    // Set up the action bar.
    final ActionBar actionBar = getActionBar();
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

    // 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) {
            actionBar.setSelectedNavigationItem(position);
          }
        });
    

    // For each of the sections in the app, add a tab to the action bar.
    for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) {
      // Create a tab with text corresponding to the page title defined by
      // the adapter. Also specify this Activity object, which implements
      // the TabListener interface, as the callback (listener) for when
      // this tab is selected.
      actionBar.addTab(actionBar.newTab()
          .setText(mSectionsPagerAdapter.getPageTitle(i))
          .setTabListener(this));
    }
    
    
  }
  
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
      // Handle presses on the action bar items
      switch (item.getItemId()) {
          case R.id.action_settings:
            getFragmentManager().beginTransaction()//.setCustomAnimations(android.R.animator.fade_in, android.R.animator.fade_out)
              .replace(R.id.pager, new SettingsFragment())
            //.show(new SettingsFragment())
              .commit();
              return true;
          default:
              return super.onOptionsItemSelected(item);
      }
  }
  
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }

  @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) {
      Fragment fragment;
      switch(position){
      case 0:
        fragment = new KeyFragment();
        break;
      case 1:
        fragment = new ChatFragment();
        break;
      default:
        fragment = new DummySectionFragment();
      }
      Bundle args = new Bundle();
      args.putInt(DummySectionFragment.ARG_SECTION_NUMBER, position + 1);
      fragment.setArguments(args);
      return fragment;
    }

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

    @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);
      case 2:
        return getString(R.string.title_section3).toUpperCase(l);
      }
      return null;
    }
  }

  /**
   * A dummy fragment representing a section of the app, but that simply
   * displays dummy text.
   */
  public static class DummySectionFragment extends Fragment {
    /**
     * The fragment argument representing the section number for this
     * fragment.
     */
    public static final String ARG_SECTION_NUMBER = "section_number";

    public DummySectionFragment() {
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
      View rootView = inflater.inflate(R.layout.fragment_main_dummy,
          container, false);
      TextView dummyTextView = (TextView) rootView
          .findViewById(R.id.section_label);
      dummyTextView.setText(Integer.toString(getArguments().getInt(
          ARG_SECTION_NUMBER)));
      return rootView;
    }
  }
  
  public static class SettingsFragment extends PreferenceFragment {
      @Override
      public void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);

          // Load the preferences from an XML resource
          addPreferencesFromResource(R.xml.preferences);
      }
  }
}

Java Source Code List

• Back to Chat/encrypt  ↑