Android Open Source - android_app My Selections

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License

The source code is released under:

Apache License

Java Source Code

package com.example.t_danbubbletea;
/*/*  w  w  w  .j a  v  a  2  s.  co  m*/
~ *******************************************************************************
~   Copyright (c) 2013-2014 Daniel Lin, Kamal Chaya, Sean Penney, and Daniel Chuang 
~   
~   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.
~  *****************************************************************************
*/

import java.util.concurrent.ExecutionException;

import models.ApiConnector;
import models.DatabaseTeaInfo;
import models.TeaViewFragment;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import com.example.t_danbubbletea.R;

import TabAdapterPackage.GridViewCustomAdapter;
import android.app.Fragment;
import android.app.FragmentManager;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.AnimationUtils;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.GridView;
 
public class MySelections extends Fragment {
  DatabaseTeaInfo teaInfo = new DatabaseTeaInfo();
  @SuppressWarnings("unused")
  private boolean mShowingBack = false;
    @Override
    public View onCreateView (LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){
      View rootView = inflater.inflate(R.layout.fragment_tea_selections, container, false);
      getActivity().setTitle("Tea Selections");
      // animation when enter home page
      rootView.startAnimation(AnimationUtils.loadAnimation(getActivity(), R.anim.image_click)); 
      //download the URL's asynchronously (put the info in the teaInfo object)
      try {
      teaInfo = new GetTeaInfoTask().execute(new ApiConnector()).get();
    } catch (InterruptedException e) {
      e.printStackTrace();
    } catch (ExecutionException e) {
      e.printStackTrace();
    }
      //make the gridview, set its adapter
      GridView gridView = (GridView)rootView.findViewById(R.id.grid_view_tea_selections);
      GridViewCustomAdapter gvAdapter = new GridViewCustomAdapter(getActivity(), teaInfo.imageURLs, teaInfo.teaNames); 
      gridView.setAdapter(gvAdapter);
      //make the on click listeners
      gridView.setOnItemClickListener(new OnItemClickListener() {      
        public void onItemClick(AdapterView<?> parent, View v, int position, long id) { 
            Fragment newFragment;
          switch(position) {
            default:
                     Bundle teaViewArgs = new Bundle();
                     teaViewArgs.putString("teaName", teaInfo.teaNames.get(position));
                     teaViewArgs.putString("teaImgUrl", teaInfo.imageURLs.get(position));
                     teaViewArgs.putString("teaDesc", teaInfo.teaDescriptions.get(position));
              newFragment = new TeaViewFragment();
              newFragment.setArguments(teaViewArgs);
                     break;
                     
            }
               if (newFragment != null) {                  
                 flipCard(newFragment);
               }  
        }                             
        private void flipCard(Fragment newFragment){
              mShowingBack = true;
              FragmentManager fragmentManager = getFragmentManager();
              fragmentManager.beginTransaction().setCustomAnimations(
                         R.anim.card_flip_right_in, R.anim.card_flip_right_out,
                         R.anim.card_flip_left_in, R.anim.card_flip_left_out).replace(R.id.frame_container, newFragment)
                     .addToBackStack(null).commit(); // create new fragment and allow user to go back to previous fragment         
              }
      });
      return rootView;
    }

    /*
     * Asynchronously query database for all the tea tuples, and get the URL's from
     * the URL field
     */
    private class GetTeaInfoTask extends AsyncTask<ApiConnector,Long,DatabaseTeaInfo> {
      DatabaseTeaInfo teaInfoFromDb = new DatabaseTeaInfo();
      private static final String TAG = "debug tag";
    @Override
    protected DatabaseTeaInfo doInBackground(ApiConnector... arg0) {
      //Query database to get tuples in json format
      JSONArray jsonArrayTeas = arg0[0].GetAllTeas();
      //iterate through json array and populate database tea info object
      for (int i = 0; i < jsonArrayTeas.length(); i++) {
        JSONObject json = null;
        try {
          json = jsonArrayTeas.getJSONObject(i);
          /*
           * The URL is a little FUBAR'ed when it is returned in JSON 
           * format with weird backslashes and forward slashes. This bit
           * of code makes everything a forward slash, making it a valid URL.
           */
          String parsedURL = ("http://" + json.getString("imageURL")).replace("\\", "");
          teaInfoFromDb.imageURLs.add(i, parsedURL);
          Log.d(TAG, parsedURL);
          teaInfoFromDb.teaDescriptions.add(i, json.getString("desc"));
          teaInfoFromDb.teaNames.add(i, json.getString("name"));
        } catch (JSONException e) {
          e.printStackTrace();
        }      
      }
      //return the database teainfo object so image urls can be used by imageloader
      return teaInfoFromDb;
    }
    }
}

Java Source Code List

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