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License

The source code is released under:

GNU General Public License

Java Source Code

package com.yeho.androidchat;
//  w w w  .  ja v  a2s  .  c  om


import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;

import com.yeho.androidchat.utility.ImageLoader;

public class Activity_Home extends Activity {

  
  private GridView gridView;
  public String[] desc= null;
  public String[] imagenes= null;
  
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_home);
    
    gridView = (GridView) findViewById(R.id.gridView1);
    gridView.setAdapter(new ProductAdapter(this, desc));

//    imagenes = llenagridcontactos();
        
    gridView.setOnItemClickListener(new OnItemClickListener() {
      public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
        try{
          Log.v("YEHO", "Aqui se inicia el chat: "+ position);
      
        }catch(Exception e)
        {
          Log.v("YEHO", "excepcion al dar clic en contacto: "+ position);
        }
      }
});
    
  }



  /*public String[] llenagridcontactos( ){
    SQLiteHelper usdbh = new SQLiteHelper(getActivity(), "androidchat.sqlite", null, 1);
    db = usdbh.getWritableDatabase();
    Cursor c = db.rawQuery("select imagen, nombre from contactos",  null);
    // Nos aseguramos de que existe al menos un registro
    int cont =0;
    if (c.moveToFirst()) {
      // Recorremos el cursor hasta que no haya mas registros
      do {          
        cont++;
      } while (c.moveToNext());;
    }
    String[] imagenes = new String[cont];
    desc = new String[cont];
    cont = 0;
    if (c.moveToFirst()) {
      do {
        
        imagenes[cont] = c.getString(0);
        desc[cont] = c.getString(1);
        cont++;
      } while (c.moveToNext());
    }
    
    
    db.close();
    return imagenes;
  }  
  
  */
  
  public class ProductAdapter extends BaseAdapter {     
       
       final int NumberOfItem = 23;  
        private Context context;  
        private LayoutInflater layoutInflater;
      private  String[] products;
       // private ArrayList<HashMap<String, Object>> products;
        
       public ImageLoader imageLoader; 

       public ProductAdapter(Context context, String[] countries) {
      this.context = context;
      this.products = countries;
      imageLoader=new ImageLoader(context);
    }
   
        public long getItemId(int position) {   
          return position;  
        }
      
        public View getView(int position, View convertView, ViewGroup parent) {   
           // TODO Auto-generated method stub  
           View grid = null;
           try{
           if(convertView==null){    
             grid = new View(context);     
             LayoutInflater vi = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
             grid = vi.inflate(R.layout.item, null);
           }else{
             grid = (View)convertView;    
           }       
           
           TextView name = (TextView)grid.findViewById(R.id.contactName);
           name.setText(products[position].toString());
           ImageView imageView = (ImageView)grid.findViewById(R.id.contact_image);
           imageLoader.DisplayImageThumbnailV2(imagenes[position], imageView);
           }catch(Exception ex){
             Log.v("YEHO displayImage", "excepcion: "+ ex.getMessage());
           }catch(Error err){
             Log.v("YEHO", "Error: "+ err.getMessage());
           }
           return grid;  
        }
  
        public int getCount() {
        // TODO Auto-generated method stub
            if(products == null)
              return 0;
            else
             // return products.size();
             return products.length;
        }
  
        public Object getItem(int arg0) {
        // TODO Auto-generated method stub
        return null;
        }
        
}//END ProductAdapter
  

}

Java Source Code List

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