Java tutorial
/* * Copyright 2015 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.naroran.onsport.fragment; import android.content.Intent; import android.graphics.Color; import android.os.Bundle; import android.os.Handler; import android.support.v4.app.Fragment; import android.support.v4.widget.SwipeRefreshLayout; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AbsListView; import android.widget.Adapter; import android.widget.AdapterView; import android.widget.ListAdapter; import android.widget.ListView; import android.widget.Toast; import com.android.volley.Cache; import com.android.volley.Request; import com.android.volley.Response; import com.android.volley.VolleyError; import com.android.volley.VolleyLog; import com.android.volley.toolbox.JsonObjectRequest; import com.naroran.onsport.MainActivity; import com.naroran.onsport.R; import com.naroran.onsport.adapter.NewsAdapter; import com.naroran.onsport.adapter.ScoreAdapter; import com.naroran.onsport.app.AppController; import com.naroran.onsport.data.PostItem; import com.naroran.onsport.data.ScoreItem; import com.naroran.onsport.util.Json; import org.json.JSONException; import org.json.JSONObject; import java.io.UnsupportedEncodingException; import java.util.ArrayList; import java.util.List; public class LiveScoreFragment extends Fragment implements AbsListView.OnScrollListener, AdapterView.OnItemClickListener, AdapterView.OnItemLongClickListener { private static final int REQUEST_CATEGORY = 0x2300; private ListView listView; private ScoreAdapter listAdapter; private List<ScoreItem> postItems; private static final String TAG = MainActivity.class.getSimpleName(); private SwipeRefreshLayout mSwipeRefreshLayout; private Adapter mAdapter; private String[] mCatNames; private int offset = 0; public static LiveScoreFragment newInstance() { return new LiveScoreFragment(); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View inflate = inflater.inflate(R.layout.fragment_scores, container, false); mSwipeRefreshLayout = (SwipeRefreshLayout) inflate.findViewById(R.id.swipe_refresh_layout); mCatNames = getResources().getStringArray(R.array.cat_names); mSwipeRefreshLayout.setProgressBackgroundColorSchemeColor(Color.parseColor("#000000")); mSwipeRefreshLayout.setColorSchemeColors(Color.parseColor("#233781"), Color.parseColor("#23814b"), Color.parseColor("#812325")); mSwipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() { @Override public void onRefresh() { refreshContent(); } }); listView = (ListView) inflate.findViewById(R.id.listview); listView.setDivider(null); postItems = new ArrayList<ScoreItem>(); listAdapter = new ScoreAdapter(getActivity(), postItems); listView.setAdapter(listAdapter); listView.setOnScrollListener(this); listView.setOnItemClickListener(this); // listView.setOnItemLongClickListener(this); // JsonObjectRequest jsonReq = new JsonObjectRequest(Request.Method.GET, AppController.getInstance().URL_LIVE_SCORE, null, new Response.Listener<JSONObject>() { @Override public void onResponse(JSONObject response) { if (response != null) { Json.parseJsonScore(postItems, response); listAdapter.notifyDataSetChanged(); ((MainActivity) getActivity()).setProgressBarVisibility(View.GONE); } } }, new Response.ErrorListener() { @Override public void onErrorResponse(VolleyError error) { VolleyLog.d(TAG, "Error: " + error.getMessage()); } }); AppController.getInstance().addToRequestQueue(jsonReq); ((MainActivity) getActivity()).setProgressBarVisibility(View.VISIBLE); return inflate; } @Override public void onViewCreated(View view, Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); } private void refreshContent() { JsonObjectRequest jsonReq = new JsonObjectRequest(Request.Method.GET, AppController.getInstance().URL_LIVE_SCORE, null, new Response.Listener<JSONObject>() { @Override public void onResponse(JSONObject response) { VolleyLog.d(TAG, "Response: " + response.toString()); if (response != null) { postItems.clear(); Json.parseJsonScore(postItems, response); if (postItems.size() != 0) listAdapter.notifyDataSetChanged(); ((MainActivity) getActivity()).setProgressBarVisibility(View.GONE); } else { Toast.makeText(getActivity(), "No Live Score", Toast.LENGTH_LONG).show(); } download = false; } }, new Response.ErrorListener() { @Override public void onErrorResponse(VolleyError error) { Toast.makeText(getActivity(), "Error", Toast.LENGTH_LONG).show(); ((MainActivity) getActivity()).setProgressBarVisibility(View.GONE); VolleyLog.d(TAG, "Error: " + error.getMessage()); } }); hideRefresh(); AppController.getInstance().addToRequestQueue(jsonReq); } private void hideRefresh() { new Handler().postDelayed(new Runnable() { @Override public void run() { mSwipeRefreshLayout.setRefreshing(false); } }, 1000); } @Override public void onResume() { getActivity().supportStartPostponedEnterTransition(); super.onResume(); } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); } public void onItemClick(AdapterView<?> parent, View view, int position, long id) { ScoreItem s = (ScoreItem) ((ScoreAdapter) parent.getAdapter()).getItem(position); Log.d("ANDIS", "CLICK = " + s.getScore()); } public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) { return true; // We've consumed the long click } public void onScrollStateChanged(AbsListView absListView, int i) { // nothing to do for us } private boolean download = false; @SuppressWarnings("unchecked") public void onScroll(AbsListView absListView, int firstVisible, int visibleCount, int totalCount) { } }