Android Open Source - chemistry-data List All Activity

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License

The source code is released under:

MIT License

Java Source Code

package org.sparkfiregames.chemdata;
/*from  w  w w.  j a  v  a2 s.  c o  m*/
import java.util.List;

import org.sparkfiregames.chemdata.data.DataManager;
import org.sparkfiregames.chemdata.data.DataManager.ElementData;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;

/**
 * @author Allen Guo
 */
public class ListAllActivity extends Activity {
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    DataManager dataManager = ((ChemistryDataApplication) getApplication()).getData();
    setContentView(R.layout.list_all);
    ElementDataArrayAdapter adapter = new ElementDataArrayAdapter(this, R.layout.list_all, dataManager.getData());
    ListView list = (ListView) findViewById(R.id.list_listview);
    list.setAdapter(adapter);
    list.setOnItemClickListener(new OnItemClickListener());
  }
  
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.back, menu);
    return true;
  }
  
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch(item.getItemId()) {
      case R.id.back_menuitem:
        finish();
        return true;
    }
    return super.onOptionsItemSelected(item);
  }
  
  /**
   * @author Allen Guo
   */
  private class ElementDataArrayAdapter extends ArrayAdapter<ElementData> {

    private LayoutInflater inflater;
    private TextView title;
    private TextView subtitle;

    public ElementDataArrayAdapter(Context context, int textViewResourceId, List<ElementData> objects) {
      super(context, textViewResourceId, objects);
      inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
      View view = convertView;
      if (view == null) {
        view = inflater.inflate(R.layout.list_line, null);
      }
      ElementData element = getItem(position);
      if (element != null) {
        title = (TextView) view.findViewById(R.id.list_line_title);
        title.setText(element.get("na"));
        subtitle = (TextView) view.findViewById(R.id.list_line_subtitle);
        subtitle.setText(element.get("we"));
      }
      return view;
    }
    
  }
  
  /**
   * @author Allen Guo
   */
  private class OnItemClickListener implements AdapterView.OnItemClickListener {

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
      Object data = parent.getItemAtPosition(position);
      if (data != null && data instanceof ElementData) {
        ElementData element = (ElementData) data;
        MainActivity.instance.showElementData(element.get("na"));
        finish();
      }
    }
    
  }

}

Java Source Code List

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