Android Open Source - ShareManager Shares Fragment

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From Project

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License

The source code is released under:

Copyright (c) 2013, Nelspike All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Red...

Java Source Code

package share.manager.fragments;
/*  w  w  w .  j  av  a  2  s.c  o  m*/
import java.util.ArrayList;

import share.manager.adapters.CompanyAdapter;
import share.manager.connection.ConnectionThread;
import share.manager.stock.CompanyActivity;
import share.manager.stock.R;
import share.manager.stock.ShareManager;
import share.manager.utils.FileHandler;
import share.manager.utils.RESTFunction;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v4.app.Fragment;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.FrameLayout;
import android.widget.ListView;
import android.widget.TextView;

public class SharesFragment extends Fragment {

  private View rootView;
  private ShareManager app;
  private RESTFunction currentFunction;
  private ProgressDialog pDiag;
  private Activity mActivity;
  private boolean firstTime = true;

  @SuppressLint("HandlerLeak")
  @SuppressWarnings("unchecked")
  private Handler threadConnectionHandler = new Handler() {
    @Override
    public void handleMessage(Message msg) {
      switch (currentFunction) {
        case GET_COMPANY_STOCK:
          buildList((ArrayList<String>) msg.obj);
          dismissProgressDialog();
          break;
        default:
          break;
      }
    }
  };

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    setRetainInstance(true);
    rootView = inflater.inflate(R.layout.fragment_shares, container, false);
    app = (ShareManager) mActivity.getApplication();
    if (firstTime) {
      firstTime = false;
      startQuotas();
    }
    return rootView;
  }

  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);
    mActivity = activity;
  }

  public void refresh() {
    if (!firstTime) {
      showProgressDialog("Fetching results..");
      startQuotas();
    }
  }

  public void startQuotas() {
    currentFunction = RESTFunction.GET_COMPANY_STOCK;
    String link = app.yahooQuote;

    ArrayList<String> info = FileHandler.readFile();

    if (info.size() > 0) {
      FrameLayout frame = (FrameLayout) rootView
          .findViewById(R.id.frame_shares);
      if (frame.findViewById(0xfefefefe) != null) {
        frame.removeView(frame.findViewById(0xfefefefe));
      }

      for (String s : info)
        link += s.split("\\|")[1] + "+";

      link = link.substring(0, link.length() - 1);

      ConnectionThread dataThread =  new ConnectionThread(link,
            threadConnectionHandler, mActivity, currentFunction);
      dataThread.start();
    }
    else {
      FrameLayout frame = (FrameLayout) rootView
          .findViewById(R.id.frame_shares);
      if (frame.findViewById(0xfefefefe) != null) {
        TextView text = (TextView) frame.findViewById(0xfefefefe);
        text.setText("Please subscribe to a company in order to see its stock evolution!");
        text.setTextColor(Color.WHITE);
        text.setTextSize(25.0f);
        text.setGravity(Gravity.CENTER);
      }
      else {
        TextView text = new TextView(mActivity);
        text.setId(0xfefefefe);
        text.setText("Please subscribe to a company in order to see its stock evolution!");
        text.setTextColor(Color.WHITE);
        text.setTextSize(25.0f);
        text.setGravity(Gravity.CENTER);
        frame.addView(text, new LayoutParams(LayoutParams.MATCH_PARENT,
            LayoutParams.MATCH_PARENT));
      }
      dismissProgressDialog();
    }
  }

  private void buildList(ArrayList<String> received) {

    final String[] names = FileHandler.getNames(), ticks = FileHandler
        .getTicks();
    String[] regions = FileHandler.getRegions();

    boolean[] status = new boolean[received.size()];
    String[] changes = new String[received.size()];

    for (int i = 0; i < received.size(); i++) {
      String[] split = received.get(i).split(",");
      float ch = Float.parseFloat(split[4]);
      if (ch > 0) status[i] = true;
      else status[i] = false;

      changes[i] = String.format("%.2f", Math.abs(ch))+"%";
    }

    ListView listResults = (ListView) rootView
        .findViewById(R.id.list_share_following);

    listResults.setOnItemClickListener(new OnItemClickListener() {
      @Override
      public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
          long arg3) {
        Intent intent = new Intent(mActivity, CompanyActivity.class);
        intent.putExtra("Tick", FileHandler.getInfoFromTick(ticks[arg2]));
        startActivity(intent);
      }

    });

    listResults.setAdapter(new CompanyAdapter(mActivity, R.layout.company_box,
        names, regions, status, changes));
  }

  public void showProgressDialog(CharSequence message) {
    pDiag = new ProgressDialog(mActivity);
    if (pDiag == null) pDiag.setIndeterminate(true);

    pDiag.setMessage(message);
    pDiag.show();
  }

  public void dismissProgressDialog() {
    if (pDiag != null) pDiag.dismiss();
  }
}

Java Source Code List

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