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851天前import android.app.Activity; |
import android.content.Context; |
import android.os.Bundle; |
import android.view.View; |
import android.view.ViewGroup; |
import android.widget.BaseAdapter; |
import android.widget.GridView; |
import android.widget.ImageView; |
public class Test2Activity extends Activity |
{ |
/** Called when the activity is first created. */ |
public Integer[] imageIDs = |
{ |
R.drawable.library, |
R.drawable.library, |
R.drawable.library, |
R.drawable.library, |
R.drawable.library, |
R.drawable.library, |
R.drawable.library |
}; |
@Override |
public void onCreate (Bundle savedInstanceState) |
{ |
super.onCreate (savedInstanceState); |
setContentView (R.layout.main); |
GridView gridView = (GridView) findViewById (R.id.grid); |
gridView.setAdapter (new ImageAdapter (this, imageIDs) ); |
gridView.setNumColumns (imageIDs.length); |
} |
class ImageAdapter extends BaseAdapter |
{ |
private Context context; |
Integer[] imageIDs; |
public ImageAdapter (Context c, Integer[] imageIDResults) |
{ |
context = c; |
imageIDs = imageIDResults; |
} |
public int getCount() |
{ |
return imageIDs.length; |
} |
public Object getItem (int position) |
{ |
return 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 (context); |
imageView.setLayoutParams (new GridView.LayoutParams (100, 100) ); |
imageView.setScaleType (ImageView.ScaleType.CENTER_CROP); |
} |
else |
{ |
imageView = (ImageView) convertView; |
} |
imageView.setImageResource (imageIDs[position]); |
return imageView; |
} |
} |
} |
