Android Open Source - ShareManager Portfolio Fragment

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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;
/*from www .  j  a v  a2 s. c  om*/
import java.util.ArrayList;
import java.util.Calendar;

import share.manager.connection.ConnectionThread;
import share.manager.stock.R;
import share.manager.stock.ShareManager;
import share.manager.utils.CompanyGraphicsBuilder;
import share.manager.utils.FileHandler;
import share.manager.utils.RESTFunction;
import share.manager.utils.ShareUtils;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.ProgressDialog;
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.FrameLayout;
import android.widget.ImageView;
import android.widget.TextView;

public class PortfolioFragment extends Fragment {

  private View rootView;
  private RESTFunction currentFunction;
  private ShareManager app;
  private ProgressDialog progDiag;
  private float change;
  private boolean status, resuming = false;
  private String name, region;
  private CompanyGraphicsBuilder graph;
  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_PORTFOLIO:
          if (msg.what == currentFunction.toInt()) compareChanges((ArrayList<String>) msg.obj);
          break;
        case GET_COMPANY_RANGE_STOCK_PORTFOLIO:
          if (msg.what == currentFunction.toInt()) {
            createGraph((ArrayList<String>) msg.obj);
            changeInfoTitle();
            dismissProgressDialog();
          }
          break;
        default:
          break;
      }
    }
  };

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

  @Override
  public void onResume() {
    super.onResume();
    if (resuming) {
      refresh();
    }
  }

  public void onStop() {
    super.onStop();
    this.resuming = app.isAccessedSettings() ? true : false;
  }

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

  public void refresh() {
    if (!firstTime) startQuotas();
  }

  public void startQuotas() {
    showProgressDialog("Obtaining information..");
    currentFunction = RESTFunction.GET_COMPANY_STOCK_PORTFOLIO;
    String link = app.yahooQuote;

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

    if (info.size() > 0) {
      FrameLayout frame = (FrameLayout) rootView
          .findViewById(R.id.frame_portfolio);
      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_portfolio);
      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 compareChanges(ArrayList<String> received) {
    change = -1000.0f;
    String tick = "";

    for (int i = 0; i < received.size(); i++) {
      String[] split = received.get(i).split(",");
      String name = split[0];
      String changeText = split[4];
      float ch = Math.abs(Float.parseFloat(changeText));
      if (ch > this.change) {
        this.change = ch;
        tick = name;
        this.status = Float.parseFloat(changeText) > 0 ? true : false;
      }
    }

    tick = tick.replace("\"", "");
    String info = FileHandler.getInfoFromTick(tick);
    String[] allInfo = info.split("\\|");
    this.name = allInfo[0];
    this.region = allInfo[2];
    currentFunction = RESTFunction.GET_COMPANY_RANGE_STOCK_PORTFOLIO;

    int daysToBacktrack = app.getDays() * -1;

    Calendar backtrack = Calendar.getInstance();
    backtrack.add(Calendar.DATE, daysToBacktrack);
    Calendar current = Calendar.getInstance();

    ConnectionThread dataThread = new ConnectionThread(app.yahooChart
          + ShareUtils.createChartLink(backtrack.get(Calendar.MONTH),
              backtrack.get(Calendar.DAY_OF_MONTH), backtrack.get(Calendar.YEAR),
              current.get(Calendar.MONTH), current.get(Calendar.DAY_OF_MONTH),
              current.get(Calendar.YEAR), app.getPeriodicity(), tick),
          threadConnectionHandler, mActivity, currentFunction);

    dataThread.start();

  }

  private void createGraph(ArrayList<String> received) {
    ArrayList<String> dates = new ArrayList<String>();
    ArrayList<Float> values = new ArrayList<Float>();

    for (int i = 1; i < received.size(); i++) {
      String[] split = received.get(i).split(",");
      String close = split[4];
      dates.add(split[0].split("-")[2] + "/" + split[0].split("-")[1]);
      values.add(Float.parseFloat(close));
    }

    if (!resuming) graph = new CompanyGraphicsBuilder(mActivity, values, dates,
        rootView);
    else graph.repaintGraph(values, dates);
  }

  private void changeInfoTitle() {
    TextView label = (TextView) rootView
        .findViewById(R.id.company_name_portfolio);
    label.setText(this.name);

    TextView labelRegion = (TextView) rootView
        .findViewById(R.id.company_region_portfolio);
    labelRegion.setText(this.region);

    ImageView arrow = (ImageView) rootView
        .findViewById(R.id.company_arrow_portfolio);

    if (this.change != 0.0f) {
      if (status) arrow.setImageDrawable(mActivity.getResources().getDrawable(
          R.drawable.upper_arrow));
      else arrow.setImageDrawable(mActivity.getResources().getDrawable(
          R.drawable.down_arrow));
    }

    TextView labelChange = (TextView) rootView
        .findViewById(R.id.company_change_portfolio);
    labelChange.setText(String.format("%.2f", this.change) + "%");

    if (resuming) resuming = !resuming;
  }

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

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

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

Java Source Code List

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