Android Open Source - generalsbuzz Main Activity

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License

The source code is released under:
MIT License
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Java Source Code

package me.kworden.wlcalendar2;
/*from   w ww.  ja  va 2 s. c o m*/
import me.kennyworden.utils.KWDateSuite;
import me.kworden.wlcalendar2.async.RequestRemoteDataTask;
import me.kworden.wlcalendar2.fragment.EventDisplayFragment;
import me.kworden.wlcalendar2.fragment.EventInfoFragment;
import me.kworden.wlcalendar2.receiver.CheckLocalDataReceiver;
import me.kworden.wlcalendar2.receiver.UpdateRowsReceiver;
import me.kworden.wlcalendar2.util.APP;
import me.kworden.wlcalendar2.util.BROADCAST;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.content.LocalBroadcastManager;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

// Extend Activity in higher versions. ActionBarActivity is for support only. //
public class MainActivity extends Activity
{
  private boolean m_inited;
  
  private EventDisplayFragment m_event_display;
  private BroadcastReceiver m_data_check_recv, m_update_recv;
    
  @Override
  protected void onCreate(Bundle p_prev_state)
  {
    super.onCreate(p_prev_state);
    setContentView(R.layout.activity_main);
    
    APP.sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
    
    m_event_display = new EventDisplayFragment();
  }
  
  @Override
  protected void onPause()
  {
    super.onPause();
    
    // Unregister the receivers, so that we can free up memory when the app isn't being used. //
    LocalBroadcastManager.getInstance(this).unregisterReceiver(m_data_check_recv);
    LocalBroadcastManager.getInstance(this).unregisterReceiver(m_update_recv);
    
    this.leaveInfoFragment(true);
    
    APP.scrollPos[0] = m_event_display.getIndex();
    APP.scrollPos[1] = m_event_display.getTop();
  }
  
  @Override
  protected void onResume()
  {
    super.onResume();
    
    // Register the necessary receievers. //
    
    // Invokers: MainActivity.java //
    LocalBroadcastManager.getInstance(this).registerReceiver((m_data_check_recv = new CheckLocalDataReceiver()),
        new IntentFilter(BROADCAST.CHECK_LOCAL_DATA));
    
    // Invokers: ParseDataTask.java //
    LocalBroadcastManager.getInstance(this).registerReceiver((m_update_recv = new UpdateRowsReceiver(m_event_display)),
        new IntentFilter(BROADCAST.UPDATE_EVENTS));

    if(!m_inited)
    {
      getFragmentManager().beginTransaction().replace(R.id.frag_main_content, m_event_display).addToBackStack(null).commit();
      
      // Do an update. //
      Intent t_intent = new Intent(BROADCAST.CHECK_LOCAL_DATA);
      t_intent.putExtra("MONTHS", APP.getDatesToLoad(Integer.parseInt(APP.sharedPreferences.getString("pref_months", "1"))));
      LocalBroadcastManager.getInstance(this).sendBroadcast(t_intent);
      
      m_inited = true;
    }
    else if(APP.repull)
    {
      Intent t_intent = new Intent(BROADCAST.CHECK_LOCAL_DATA);
      t_intent.putExtra("MONTHS", APP.getDatesToLoad(Integer.parseInt(APP.sharedPreferences.getString("pref_months", "1"))));
      LocalBroadcastManager.getInstance(this).sendBroadcast(t_intent);
      APP.repull = false;
    }
    //else
    //  this.updateEvents();
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu)
  {
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }

  @Override
  public boolean onPrepareOptionsMenu(Menu menu)
  {
    menu.clear();

    if(getFragmentManager().getBackStackEntryCount() > 1)
      getMenuInflater().inflate(R.menu.event, menu);
    else
      getMenuInflater().inflate(R.menu.main, menu);

    return true;
  }
  
  @Override
  protected void onDestroy()
  {
    super.onDestroy();
  }    

  @Override
  public boolean onOptionsItemSelected(MenuItem p_item)
  {
    int t_id = p_item.getItemId();
    switch(t_id)
    {
      case R.id.action_settings:
        startActivity(new Intent(this, SettingsActivity.class));
        return true;
      case R.id.action_update:
        new RequestRemoteDataTask(this).execute(APP.getDatesToLoad(Integer.parseInt(APP.sharedPreferences.getString("pref_months", "1"))));
        return true;
      case android.R.id.home:
        leaveInfoFragment(true);
        return true;
      case R.id.action_event_hide:
        if(APP.currentEvent == null)
          break;

        if(!APP.currentEvent.type.getPreference().equals("null"))
        {
          this.leaveInfoFragment(false);
          APP.sharedPreferences.edit().putBoolean(APP.currentEvent.type.getPreference(), false).commit();
          Intent t_intent = new Intent(BROADCAST.CHECK_LOCAL_DATA);
          t_intent.putExtra("MONTHS", APP.dates);
          LocalBroadcastManager.getInstance(this).sendBroadcast(t_intent);
          Toast.makeText(this, "Similar events hidden.", Toast.LENGTH_SHORT).show();
        }
        break;
      case R.id.action_event_remind:
        if(APP.currentEvent == null)
          break;

        leaveInfoFragment(false);
        Intent intent = new Intent(Intent.ACTION_EDIT);
        intent.setType("vnd.android.cursor.item/event");
        intent.putExtra("title", APP.currentEvent.title + (!APP.currentEvent.time.equals("") ? " " + APP.currentEvent.time : ""));
        intent.putExtra("description", APP.currentEvent.time);
        intent.putExtra("allDay", true);

        if(!APP.currentEvent.location.equals("Unspecified"))
          intent.putExtra("eventLocation", APP.currentEvent.location);

        intent.putExtra("beginTime", KWDateSuite.get9OClockOfDay(APP.currentEvent.date));
        intent.putExtra("endTime", KWDateSuite.get9OClockOfDay(APP.currentEvent.date) + 3600000);
        this.startActivity(intent);
        break;
        
    }
    return super.onOptionsItemSelected(p_item);
  }
  
  public void openInfoFragment(String p_title, String p_date, String p_info)
  {
    this.getActionBar().setDisplayHomeAsUpEnabled(true);
    APP.scrollPos[0] = m_event_display.getIndex();
    APP.scrollPos[1] = m_event_display.getTop();

    /* Open the fragment with event data */
    EventInfoFragment t_frag = new EventInfoFragment();
    t_frag.setArguments(p_title, p_date, p_info);

    /* Fade in and out when changing fragments */
    getFragmentManager().beginTransaction()
      .setCustomAnimations(R.anim.fade_in, R.anim.fade_out, R.anim.fade_in, R.anim.fade_out)
      .replace(R.id.frag_main_content, t_frag).addToBackStack(null).commit();
  }
  
  public void leaveInfoFragment(boolean p_pause)
  {
    if(getFragmentManager().getBackStackEntryCount() == 1 && !p_pause)
      this.finish();
    else if(getFragmentManager().getBackStackEntryCount() > 1)
    {
      this.getFragmentManager().popBackStack();
      
      this.getActionBar().setDisplayHomeAsUpEnabled(false);
      this.updateEvents();
    }
  }
  
  public boolean onKeyDown(int p_code, KeyEvent p_event)
  {
    if(p_code == KeyEvent.KEYCODE_BACK)
    {
      this.leaveInfoFragment(false);
      return false;
    }

    return super.onKeyDown(p_code, p_event);
  }

  public void updateEvents()
  {
    Intent t_intent = new Intent(BROADCAST.UPDATE_EVENTS);
    LocalBroadcastManager.getInstance(this).sendBroadcast(t_intent);
  }
}
Java Source Code List
