我的Activity由GridView组成,包含40个元素.开始活动后,用户可以看到最多15个项目(每行3行,5个项目).我在getView()body中写到传递给获取View的LogCat数：
Log.i("getView()","GETTING VIEW_POSITION[" + String.valueOf(position) + "]" + (convertView != null?convertView.toString():"null"));
启动我的应用程序后,我得到这样的日志：
02-09 14:34:56.900: INFO/getView()(388): GETTING VIEW_POSITION[0]null 02-09 14:34:57.300: INFO/getView()(388): GETTING VIEW_POSITION[0]android.widget.FrameLayout@44c7a9c0 02-09 14:34:57.300: INFO/getView()(388): GETTING VIEW_POSITION[1]null 02-09 14:34:57.400: INFO/getView()(388): GETTING VIEW_POSITION[2]null 02-09 14:34:57.510: INFO/getView()(388): GETTING VIEW_POSITION[3]null 02-09 14:34:57.620: INFO/getView()(388): GETTING VIEW_POSITION[4]null 02-09 14:34:57.720: INFO/getView()(388): GETTING VIEW_POSITION[5]null 02-09 14:34:57.840: INFO/getView()(388): GETTING VIEW_POSITION[6]null 02-09 14:34:57.930: INFO/getView()(388): GETTING VIEW_POSITION[7]null 02-09 14:34:58.273: DEBUG/dalvikvm(388): GC freed 3530 objects / 322744 bytes in 270ms 02-09 14:34:58.280: INFO/getView()(388): GETTING VIEW_POSITION[8]null 02-09 14:34:58.300: INFO/getView()(388): GETTING VIEW_POSITION[9]null 02-09 14:34:58.320: INFO/getView()(388): GETTING VIEW_POSITION[10]null 02-09 14:34:58.340: INFO/getView()(388): GETTING VIEW_POSITION[11]null 02-09 14:34:58.360: INFO/getView()(388): GETTING VIEW_POSITION[12]null 02-09 14:34:58.380: INFO/getView()(388): GETTING VIEW_POSITION[13]null 02-09 14:34:58.400: INFO/getView()(388): GETTING VIEW_POSITION[14]null 02-09 14:34:59.220: INFO/getView()(388): GETTING VIEW_POSITION[0]null 02-09 14:34:59.490: INFO/getView()(388): GETTING VIEW_POSITION[0]android.widget.FrameLayout@44c69ef0
我也是红色this的帖子关于这样一个问题.但是我的GridView的XML描述中的高度设置为填充父项：
<?xml version="1.0" encoding="utf-8"?>
<GridView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/grid"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:numColumns="auto_fit"
android:horizontalSpacing="10dp"
android:verticalSpacing="10dp"
android:columnWidth="140dp"
android:gravity="center"
android:scrollbars="none"
/>
public class ImageAdapter extends BaseAdapter
{
private Activity activity;
private LayoutInflater inflater = null;
private ArrayList<Photo> photoes;
public ImageAdapter(Activity a,ArrayList<Photo> pictures)
{
photoes = pictures;
activity = a;
inflater = (LayoutInflater)activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public View getView(int position,View convertView,ViewGroup parent)
{
Log.i("getView()","GETTING VIEW_POSITION[" + String.valueOf(position) + "]" + (convertView != null?convertView.toString():"null"));
View mViewSlice = convertView;
if(convertView == null) {
mViewSlice = inflater.inflate(R.layout.photo_preview,null);
((TextView) mViewSlice.findViewById(R.id.name_of_photo)).setText(photoes.get(position).getName());
mViewSlice.setPadding(5,5,5);
mViewSlice.setLayoutParams(new GridView.LayoutParams(-2,-2));
}
return mViewSlice;
}
@Override
public int getCount() {
return photoes.size();
}
@Override
public Object getItem(int position) {
return photoes.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
}
我希望有人会回答我的问题,并帮助我解决这个问题.
等待你的建议亚历克斯.
