Android Open Source - AQUArinthia Main Activity

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Back to project page AQUArinthia.
License

The source code is released under:
GNU General Public License
If you think the Android project AQUArinthia listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package at.theengine.android.aquarinthhia;
/*  w  w  w . ja  v a2s  .  c  o m*/
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

import android.content.Context;
import android.content.Intent;
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.app.NavUtils;
import android.support.v4.view.ViewPager;
import android.util.Log;
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.FrameLayout;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import at.theengine.android.simple_rss2_android.RSSItem;
import at.theengine.android.simple_rss2_android.SimpleRss2Parser;
import at.theengine.android.simple_rss2_android.SimpleRss2ParserCallback;

public class MainActivity extends FragmentActivity {

  private Context mContext;
  
  private DataLoader mDataLoader;
  
  private SectionsPagerAdapter mSectionsPagerAdapter;
  private ViewPager mViewPager;
  
  private ProgressBar mPbLoading;
  private boolean mIsRainLoaded;
  private boolean mIsLakesLoaded;
  private boolean mIsRiversLoaded;
  
  private RainfallFragment rainFallFragment;
  private LakesFragment lakesFragment;
  private RiversFragment riversFragment;
  private InfoFragment infoFragment;
  

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    
    mSectionsPagerAdapter = new SectionsPagerAdapter(
        getSupportFragmentManager());

    mViewPager = (ViewPager) findViewById(R.id.pager);
    mViewPager.setAdapter(mSectionsPagerAdapter);
    
    mContext = this;
    setUpActionBar();
    refreshData();
  }
  
  @Override
  protected void onResume() {
    refreshData();
    super.onResume();
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }
  
  @Override
  public boolean onMenuItemSelected(int featureId, MenuItem item) {
    switch(item.getItemId()){
      case R.id.action_refresh:
        refreshData();
        break;
      case R.id.action_karte:
        Intent intent = new Intent(this, MapActivity.class);
        startActivity(intent);
        break;
    }
    
    return super.onMenuItemSelected(featureId, item);
  }
  
  private void setUpActionBar() {
    getActionBar().setDisplayHomeAsUpEnabled(true);
        getActionBar().setHomeButtonEnabled(true);
        
        getActionBar().setIcon(R.drawable.aquarinthia);
        
        getActionBar().setDisplayShowTitleEnabled(false);
        
        getActionBar().setCustomView(R.layout.ab_view_main);
        getActionBar().setDisplayShowCustomEnabled(true);

        getActionBar().setDisplayHomeAsUpEnabled(false);
        getActionBar().setHomeButtonEnabled(false);
        
        mPbLoading = (ProgressBar) getActionBar().getCustomView().findViewById(R.id.pbLoading);
  }
  
  private void refreshData(){
    mPbLoading.setVisibility(View.VISIBLE);
    mIsLakesLoaded = false;
    mIsRainLoaded = false;
    mIsRiversLoaded = false;
    
    if(mDataLoader == null){
      mDataLoader = new DataLoader(mContext, new DataLoaderCallback() {
        
        @Override
        public void onRainDataLoaded(ArrayList<RainData> items) {
          try { rainFallFragment.loadData(); } catch(Exception ex) {}
          mIsRainLoaded = true;
          hideLoading();
        }
        
        @Override
        public void onDataLoadingError(Exception ex) {
          Toast.makeText(mContext, ex.getLocalizedMessage(), Toast.LENGTH_LONG).show();
        }

        @Override
        public void onLakeDataLoaded(ArrayList<LakeData> items) {
          try { lakesFragment.loadData(); } catch(Exception ex) {}
          mIsLakesLoaded = true;
          hideLoading();
        }

        @Override
        public void onRiverDataLoaded(ArrayList<RiverData> items) {
          try { riversFragment.loadData(); } catch(Exception ex) {}
          mIsRiversLoaded = true;
          hideLoading();
        }
      });
    }
    
    mDataLoader.clearCache();
    mDataLoader.loadData();
  }
  
  private void hideLoading(){
    if(mIsLakesLoaded && mIsRainLoaded && mIsRiversLoaded){
      mPbLoading.setVisibility(View.GONE);
    }
  }
  
  public DataLoader getDataLoader(){
    return mDataLoader;
  }
  
  @Override
  public void onBackPressed()
  {
    this.finish();
  }
  
  public class SectionsPagerAdapter extends FragmentPagerAdapter {

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

    @Override
    public Fragment getItem(int position) {
      if(position == 0){
        if(rainFallFragment == null){ rainFallFragment = new RainfallFragment(); }
        return rainFallFragment;
      } else if(position == 1){
        if(lakesFragment == null){ lakesFragment = new LakesFragment(); }
        return lakesFragment;
      } else if(position == 2){
        if(riversFragment == null){ riversFragment = new RiversFragment(); }
        return riversFragment;
      } else {
        if(infoFragment == null){ infoFragment = new InfoFragment(); }
        return infoFragment;
      }
    }

    @Override
    public int getCount() {
      return 4;
    }

    @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);
      case 3:
        return getString(R.string.title_section4).toUpperCase(l);
      }
      return null;
    }
  }

}
Java Source Code List
