GridView mit Remote-Images

private class LoadImagesAsync extends AsyncTask<Void, Void, Void> {		
		List<String> images = new ArrayList<String>();
		@Override
		protected Void doInBackground(Void... arg0) {					
			for (int i = 0; i < 5; i++) {
				// api Aufruf welcher einfach eine URL mit einem Bild liefer
				String m = handler.GetImages(getActivity().getApplicationContext(), i);
				images.add(m);
			}
			return null;
		}
		@Override
		protected void onPostExecute(Void result) {
			super.onPostExecute(result);
			FillGridView(images.toArray(new String[images.size()]));			
		}
		@Override
		protected void onPreExecute() {
			// TODO Auto-generated method stub
			super.onPreExecute();
		}					
	}

@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState) {
		View rootView = inflater.inflate(R.layout.fragment_home, container, false);
		gridview = (GridView)rootView.findViewById(R.id.grid_view);		
		new LoadImagesAsync().execute();		
		gridview.setOnItemClickListener(new OnItemClickListener() {


			@Override
			public void onItemClick(AdapterView<?> parent, View v,
                	int position, long id) {
				
				Intent i = new Intent(getActivity(), ImageDetail.class);
				i.putExtra("imageId", position);				
				startActivity(i);
			}
			
		});		
		return rootView;
	};
	
	private void FillGridView(String[] images) {
		gridview.setAdapter(new LazyImageAdapter(getActivity(), images));		
	}

public class LazyImageAdapter extends BaseAdapter{


	private Activity activity;
	private String[] data;
	private static LayoutInflater inflater = null;
	public ImageLoader imageLoader;


	public LazyCoverImageAdapter(Activity a, String[] d) {
		activity = a;
		data = d;
		inflater = (LayoutInflater)activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
		imageLoader = new ImageLoader(activity);
	}
	public int getCount() {
		return data.length;
	}
	
	public Object getItem(int position) {
		return data[position];
	}
	
	public long getItemId(int position) {
		return position;
	}
	
	public View getView(int position, View convertView, ViewGroup parent) {
		ImageView imageView;
		if(convertView == null) {
			imageView = new ImageView(activity.getApplicationContext());
			imageView.setLayoutParams(new GridView.LayoutParams(150, 180));
			imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
        	imageView.setPadding(8, 8, 8, 8);
		} else {
			imageView = (ImageView)convertView;
		}
		imageLoader.DisplayImage(data[position], R.drawable.ic_launcher, imageView);
		return imageView;
	}
	
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
	android:layout_width="match_parent"
	android:layout_height="match_parent">
      	
	<GridView
		android:id="@+id/grid_view"
		android:layout_width="fill_parent" 
		android:layout_height="fill_parent"				
		android:numColumns="3"  
		android:verticalSpacing="10dp"	
		android:paddingLeft="12dp"
		android:paddingRight="12dp"
		android:stretchMode="columnWidth"	
		android:gravity="center">
 
</GridView>
 
</RelativeLayout>