content: package com.cjj.bb.adapter;
  
  
  import android.app.Activity;
  import android.content.Context;
  import android.content.res.Resources;
  import android.graphics.Bitmap;
  import android.graphics.BitmapFactory;
  import android.util.DisplayMetrics;
  import android.view.LayoutInflater;
  import android.view.View;
  import android.view.ViewGroup;
  import android.widget.ArrayAdapter;
  import android.widget.FrameLayout;
  import android.widget.ImageView;
  import android.widget.LinearLayout;
  import android.widget.TextView;
  
  import com.cjj.bb.R;
  
  public class ItemsAdapter extends ArrayAdapter<Integer>{
  
      Context context; 
      LayoutInflater inflater;
      String[] texts;
      int layoutResourceId;
      float imageWidth;
      
      public ItemsAdapter(Context context, int layoutResourceId, Integer[] items,String[] texts) {
          super(context, layoutResourceId, items);
          this.context = context;
          this.layoutResourceId = layoutResourceId;
          this.texts = texts;
          
          float width = ((Activity)context).getWindowManager().getDefaultDisplay().getWidth();
          float margin = (int)convertDpToPixel(10f, (Activity)context);
          // two images, three margins of 10dips
  		imageWidth = ((width - (3 * margin)) / 2);
      }
  
  	@Override
      public View getView(int position, View convertView, ViewGroup parent) {
          LinearLayout row = (LinearLayout) convertView;
          ItemHolder holder;
          Integer item = getItem(position);
          
  		if (row == null) {
  			holder = new ItemHolder();
              inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
              row = (LinearLayout) inflater.inflate(layoutResourceId, parent, false);
              ImageView itemImage = (ImageView)row.findViewById(R.id.item_image);
              TextView itemText = (TextView)row.findViewById(R.id.bankumi_item_title);
  			holder.itemImage = itemImage;
  			holder.itemText = itemText;
  		} else {
  			holder = (ItemHolder) row.getTag();
  		}
  		
  		row.setTag(holder);
  		setImageBitmap(item, holder.itemImage);
  		holder.itemText.setText(texts[position]);
          return row;
      }
  
      public static class ItemHolder
      {
      	ImageView itemImage;
      	TextView itemText;
      }
  	
      // resize the image proportionately so it fits the entire space
  	private void setImageBitmap(Integer item, ImageView imageView){
  		Bitmap bitmap = BitmapFactory.decodeResource(getContext().getResources(), item);
  		float i = ((float) imageWidth) / ((float) bitmap.getWidth());
  		float imageHeight = i * (bitmap.getHeight());
  		LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) imageView.getLayoutParams();
  		params.height = (int) imageHeight;
  		params.width = (int) imageWidth;
  		imageView.setLayoutParams(params);
  		imageView.setImageResource(item);
  	}
  	
  	public static float convertDpToPixel(float dp, Context context){
  	    Resources resources = context.getResources();
  	    DisplayMetrics metrics = resources.getDisplayMetrics();
  	    float px = dp * (metrics.densityDpi/160f);
  	    return px;
  	}
  
  }