フラグメントでグリッドビューを使用しています。doInBackground で gridview を読み込んでいますが、AsyncTask#1 Fatal Exception が発生します。以下は私が試したコードです：
public class Home extends Fragment implements TabHost.OnTabChangeListener,
OnClickListener {
TabHost tabHost;
View vi;
StaggeredAdapter adapter;
TextView tv;
public String urls[] = {
"http://farm9.staticflickr.com/8462/8005636463_0cb4ea6be2.jpg",
"http://farm8.staticflickr.com/7232/6913504132_a0fce67a0e_c.jpg",
"http://farm5.staticflickr.com/4133/5096108108_df62764fcc_b.jpg",
"http://farm5.staticflickr.com/4074/4789681330_2e30dfcacb_b.jpg",
"http://farm9.staticflickr.com/8208/8219397252_a04e2184b2.jpg",
"http://farm9.staticflickr.com/8483/8218023445_02037c8fda.jpg",
"http://farm9.staticflickr.com/8335/8144074340_38a4c622ab.jpg",
"http://farm9.staticflickr.com/8060/8173387478_a117990661.jpg",
"http://farm9.staticflickr.com/8056/8144042175_28c3564cd3.jpg",
"http://farm9.staticflickr.com/8183/8088373701_c9281fc202.jpg",
"http://farm9.staticflickr.com/8185/8081514424_270630b7a5.jpg",
"http://farm9.staticflickr.com/8462/8005636463_0cb4ea6be2.jpg",
"http://farm9.staticflickr.com/8306/7987149886_6535bf7055.jpg",
"http://farm9.staticflickr.com/8444/7947923460_18ffdce3a5.jpg",
"http://farm9.staticflickr.com/8182/7941954368_3c88ba4a28.jpg",
"http://farm9.staticflickr.com/8304/7832284992_244762c43d.jpg",
"http://farm9.staticflickr.com/8163/7709112696_3c7149a90a.jpg",
"http://farm8.staticflickr.com/7127/7675112872_e92b1dbe35.jpg",
"http://farm8.staticflickr.com/7111/7429651528_a23ebb0b8c.jpg",
"http://farm9.staticflickr.com/8288/7525381378_aa2917fa0e.jpg",
"http://farm6.staticflickr.com/5336/7384863678_5ef87814fe.jpg",
"http://farm8.staticflickr.com/7102/7179457127_36e1cbaab7.jpg",
"http://farm8.staticflickr.com/7086/7238812536_1334d78c05.jpg",
"http://farm8.staticflickr.com/7243/7193236466_33a37765a4.jpg",
"http://farm8.staticflickr.com/7251/7059629417_e0e96a4c46.jpg",
"http://farm8.staticflickr.com/7084/6885444694_6272874cfc.jpg" };
public static final String ARG_SECTION_NUMBER = "section_number";
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
vi = inflater.inflate(R.layout.home, container, false);
Button iv = (Button) vi.findViewById(R.id.btnMoreDialog);
iv.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
PopupMenu homepopup = new PopupMenu(getActivity(), v);
MenuInflater inflater = homepopup.getMenuInflater();
inflater.inflate(R.menu.moredialog, homepopup.getMenu());
homepopup.show();
}
});
new Dialogs().execute(urls);
return vi;
}
private class Dialogs extends AsyncTask<String[] , Void, Void>
{
@Override
protected Void doInBackground(String[]... params) {
StaggeredGridView gridView = (StaggeredGridView) vi
.findViewById(R.id.staggeredGridView1);
int margin = getResources().getDimensionPixelSize(R.dimen.margin);
gridView.setItemMargin(margin);
gridView.setPadding(margin, 0, margin, 0);
// StaggeredAdapter adapter = new StaggeredAdapter(MainActivity.this,
// R.id.photoimageview, urls, R.layout.row_staggered_demo);
StaggeredAdapter adapter = new StaggeredAdapter(vi.getContext(),
R.id.photoimageview, params[0], R.layout.row_staggered_demo);
gridView.setAdapter(adapter);
return null;
}
@Override
protected void onPostExecute(Void result) {
}
@Override
protected void onPreExecute() {
}
}
}
何かアイデアはありますか？ありがとう、