我正在尝试在 LayoutInflater 上创建一个 gridview,当我测试我的应用程序时,它总是崩溃。这是我的代码:
public class Level1 extends Fragment {
public static Fragment newInstance(Context context) {
Level1 f = new Level1();
return f;
}
public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {
ViewGroup root = (ViewGroup) inflater.inflate(R.layout.grid_layout, null);
GridView gridView = (GridView) root.findViewById(R.id.grid_view);
gridView.setAdapter(new ImageAdapter(root.getContext()));
}
我认为,我的问题出在“setAdapter”中。我不能使用上下文“xxx.this”。我尝试使用“getContext”和“getApplicationContext”更改 setAdapter 上下文,但它仍然崩溃。当我删除“setAdapter”时,我的应用程序正常工作但没有 gridView。
我的 ImageAdapter 看起来像这样:
public class ImageAdapter extends BaseAdapter {
private Context mContext;
public Integer[] mThumbIds = {
R.drawable.pic_1, R.drawable.pic_2,
R.drawable.pic_3, R.drawable.pic_4,
R.drawable.pic_5, R.drawable.pic_6,
R.drawable.pic_7, R.drawable.pic_8,
R.drawable.pic_9, R.drawable.pic_10,
R.drawable.pic_11, R.drawable.pic_12,
R.drawable.pic_13, R.drawable.pic_14,
R.drawable.pic_15
};
// Constructor
public ImageAdapter(Context c){
mContext = c;
}
@Override
public int getCount() {
return mThumbIds.length;
}
@Override
public Object getItem(int position) {
return mThumbIds[position];
}
@Override
public long getItemId(int position) {
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ImageView imageView = new ImageView(mContext);
imageView.setImageResource(mThumbIds[position]);
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
imageView.setLayoutParams(new GridView.LayoutParams(70, 70));
return imageView;
}
}
请帮我..