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ma vue de grille d'image ne montre pas, j'utilise Picasso pour montrer des images sur la grille en utilisant l'URL récupérée de la base de données j'essaye de la montrer dans un fragment dans la barre de navigation, quand j'ajoute quoi que ce soit d'autre au fragment il le montre, le problème est avec la grille, je ne reçois pas d'erreur peut vous aider si plaidoyers ceci est mon code fragment.javaimage Gridview n'apparaît pas dans la fregation android
public class event extends Fragment {
int userid ;
String START ;
private String GET_IMAGES_URL =
"http://192.168.1.107/android/v1/getimages.php";
public static final String TAG_IMAGE_URL = "URL";
private GridView gridView;
private ArrayList<String> images;
private static final String ARG_PARAM1 = "param1";
private static final String ARG_PARAM2 = "param2";
private String mParam1;
private String mParam2;
private OnFragmentInteractionListener mListener;
public event() {
}
public static event newInstance(String param1, String param2) {
event fragment = new event();
Bundle args = new Bundle();
args.putString(ARG_PARAM1, param1);
args.putString(ARG_PARAM2, param2);
fragment.setArguments(args);
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
mParam1 = getArguments().getString(ARG_PARAM1);
mParam2 = getArguments().getString(ARG_PARAM2);
}
userid = SharedPrefManager.getInstance(getActivity()).getUserid();
images = new ArrayList<>();
START = "";
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_event, container, false);
gridView = (GridView) view.findViewById(R.id.gridview);
gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View v,
int position, long id) {
Toast.makeText(getActivity(), "" + position,
Toast.LENGTH_SHORT).show();
}
});
getData();
return view;
}
public void onButtonPressed(Uri uri) {
if (mListener != null) {
mListener.onFragmentInteraction(uri);
}
}
@Override
public void onAttach(Context context) {
super.onAttach(context);
if (context instanceof OnFragmentInteractionListener) {
mListener = (OnFragmentInteractionListener) context;
} else {
}
}
@Override
public void onDetach() {
super.onDetach();
mListener = null;
}
public interface OnFragmentInteractionListener {
// TODO: Update argument type and name
void onFragmentInteraction(Uri uri);
}
private void getData() {
final ProgressDialog loading = ProgressDialog.show(getActivity(),
"Please wait...", "Fetching data...", false, false);
StringRequest stringRequest = new StringRequest(
Request.Method.POST, GET_IMAGES_URL,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
try {
JSONArray array = new JSONArray(response);
loading.dismiss();
showGrid(array);
} catch (JSONException e) {
loading.dismiss();
e.printStackTrace();
}
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
loading.dismiss();
}
}
){
@Override
protected Map<String, String> getParams() throws AuthFailureError {
Map<String, String> params = new HashMap<>();
params.put("userid", String.valueOf(userid));
return params;
}
};;
RequestQueue requestQueue = Volley.newRequestQueue(getActivity());
requestQueue.add(stringRequest);
}
private void showGrid(JSONArray array){
for(int i = 0; i<array.length(); i++){
JSONObject obj = null;
try {
images.add(START + array.getString(i)+START);
} catch (JSONException e) {
e.printStackTrace();
}
}
gridView.setAdapter(new
GridViewAdapter(getActivity().getApplicationContext(),images));
}
}
ma classe d'adaptateur est ce
public class GridViewAdapter extends BaseAdapter {
private final Context context;
ArrayList<String> urls;
// private String[] url ;
public GridViewAdapter(Context context, ArrayList<String> images) {
this.context = context;
urls =images;
}
@Override public View getView(int position, View convertView, ViewGroup
parent) {
ImageView view = (ImageView) convertView;
if (view == null) {
view = new ImageView(context);
view.setLayoutParams(new GridView.LayoutParams(85, 85));
view.setScaleType(ImageView.ScaleType.CENTER_CROP);
view.setPadding(8, 8, 8, 8);
}
else {
view = (ImageView) convertView;
}
// Get the image URL for the current position.
String url = getItem(position);
//
// Trigger the download of the URL asynchronously into the image view.
Picasso.with(context) //
.load(url) //
.fit() //
.tag(context) //
.into(view);
return view;
}
@Override public int getCount() {
return urls.size();
}
@Override public String getItem(int position) {
return urls.get(position);
}
@Override public long getItemId(int position) {
return position;
}
}