Android Open Source - timestatistic Diagram Fragment

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Back to project page timestatistic.
License

The source code is released under:
GNU General Public License
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Java Source Code

package maximsblog.blogspot.com.timestatistic;
//from   w ww  .ja v a2 s.c  o m
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.math.RoundingMode;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.Random;
import java.util.Set;

import maximsblog.blogspot.com.timestatistic.MainActivity.MainFragments;

import org.achartengine.ChartFactory;
import org.achartengine.GraphicalView;
import org.achartengine.model.CategorySeries;
import org.achartengine.model.SeriesSelection;
import org.achartengine.renderer.DefaultRenderer;
import org.achartengine.renderer.SimpleSeriesRenderer;

import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.preference.PreferenceManager;
import android.support.v4.app.Fragment;
import android.support.v4.app.LoaderManager;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v4.widget.SimpleCursorAdapter;
import android.text.Html;
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.actionbarsherlock.app.SherlockFragmentActivity;

public class DiagramFragment extends Fragment implements
    LoaderCallbacks<Cursor>, MainFragments, OnClickListener {
  private final int LOADER_ID = 3;

  /** The main series that will include all the data. */
  private CategorySeries mSeries = new CategorySeries("");
  /** The main renderer for the main dataset. */
  private DefaultRenderer mRenderer = new DefaultRenderer();

  /** The chart view that displays the data. */
  private GraphicalView mChartView;
  private View mLayout;
  private LoaderManager loadermanager;
  private EditText mLegendText;

  private SimpleCursorAdapter sca;

  private TextView mNotFoundText;

  private View mDiagramLayout;

  private ImageButton mDiagramShare;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    loadermanager = getLoaderManager();
    super.onCreate(savedInstanceState);
    mRenderer.setZoomButtonsVisible(false);
    mRenderer.setStartAngle(270);
    mRenderer.setDisplayValues(false);
    mRenderer.setInScroll(false);
    mRenderer.setClickEnabled(false);
    mRenderer.setPanEnabled(false);
    mRenderer.setZoomEnabled(false);
    mRenderer.setShowLabels(true);
    mRenderer.setFitLegend(false);
    mRenderer.setShowLegend(false);
    DisplayMetrics metrics = getActivity().getResources()
        .getDisplayMetrics();
    float val = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 15,
        metrics);
    mRenderer.setLegendTextSize(val);
    mRenderer.setLabelsTextSize(val);
    sca = new SimpleCursorAdapter(getActivity(), android.R.id.list, null,
        new String[] { RecordsDbHelper.NAME },
        new int[] { android.R.id.text1 }, 0);
  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    mLayout = inflater.inflate(R.layout.fragment_diagram, container, false);
    mLegendText = (EditText) mLayout.findViewById(R.id.legend);
    mNotFoundText = (TextView) mLayout.findViewById(R.id.not_found);
    mDiagramLayout = mLayout.findViewById(R.id.ScrollView1);
    mDiagramLayout.setVisibility(View.GONE);
    mDiagramShare = (ImageButton) mLayout.findViewById(R.id.pad_share);
    mDiagramShare.setOnClickListener(this);
    return mLayout;
  }

  @Override
  public void onResume() {
    super.onResume();
    loadermanager.initLoader(LOADER_ID, null, this);

  }

  @Override
  public void onPause() {
    super.onPause();
    ViewGroup chartLayout = (ViewGroup) mLayout.findViewById(R.id.chart);
    chartLayout.removeView(mChartView);
    mChartView = null;

  };

  @Override
  public Loader<Cursor> onCreateLoader(int arg0, Bundle arg1) {
    String[] selectionArgs = new String[] {
        String.valueOf(app.getStartDate(getActivity()).date),
        String.valueOf(app.getEndDate(getActivity()).date) };
    CursorLoader loader = new CursorLoader(this.getActivity(),
        RecordsDbHelper.CONTENT_URI_TIMES, null, null, selectionArgs,
        null);
    return loader;
  }

  @Override
  public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
    if (mChartView != null) {
      ViewGroup chartLayout = (ViewGroup) mLayout
          .findViewById(R.id.chart);
      chartLayout.removeView(mChartView);
      mChartView = null;
    }
    ViewGroup layout = (ViewGroup) mLayout.findViewById(R.id.chart);
    mChartView = ChartFactory.getPieChartView(getActivity(), mSeries,
        mRenderer);
    int height = mLayout.getHeight()
        - 2
        * ((SherlockFragmentActivity) getActivity())
            .getSupportActionBar().getHeight();
    int width = mLayout.getWidth();
    layout.addView(mChartView, new LayoutParams(width, height));
    mRenderer.removeAllRenderers();
    if (cursor != null) {
      sca.swapCursor(cursor);
      mSeries.clear();
      ArrayList<Integer> c = new ArrayList<Integer>();
      cursor.moveToFirst();
      ArrayList<Double> values = new ArrayList<Double>();
      ArrayList<String> nvalues = new ArrayList<String>();
      long id = cursor.getLong(0);
      long t = cursor.getLong(2);
      long start = cursor.getLong(3);
      long startdate = app.getStartDate(getActivity()).date;
      long enddate = app.getEndDate(getActivity()).date;
      if (enddate <= startdate && enddate != -1) {
        mNotFoundText.setVisibility(View.VISIBLE);
        mDiagramLayout.setVisibility(View.GONE);
        return;
      } else {
        mNotFoundText.setVisibility(View.GONE);
        mDiagramLayout.setVisibility(View.VISIBLE);
      }
      long now = new Date().getTime();

      String s = cursor.getString(5);
      boolean isRunning = cursor.getInt(6) == 1;
      Double sum = 0.0;
      if (isRunning) {
        if (now > enddate && enddate != -1) {
          sum = (double) t;// enddate - start;
        } else {
          if (start < startdate)
            start = startdate;
          sum = (double) t + now - start;
        }
      } else {
        sum = (double) t;
        /*
         * if(start + t < enddate || enddate == -1) sum = (double) t;
         * else sum = (double) (enddate - start);
         */
      }

      SimpleSeriesRenderer renderer = new SimpleSeriesRenderer();
      int color = cursor.getInt(7);

      renderer.setColor(color);
      NumberFormat nf = NumberFormat.getPercentInstance();
      nf.setMaximumFractionDigits(1);
      renderer.setChartValuesFormat(nf);
      if (sum != 0.0) {
        nvalues.add(s);
        values.add(sum);
        c.add(color);
        mRenderer.addSeriesRenderer(renderer);
      }
      while (cursor.moveToNext()) {
        id = cursor.getLong(0);
        t = cursor.getLong(2);
        start = cursor.getLong(3);
        s = cursor.getString(5);
        isRunning = cursor.getInt(6) == 1;
        double v;

        if (isRunning) {
          if (now > enddate && enddate != -1) {
            v = (double) t;// (double) enddate - start;
          } else {
            if (start < startdate)
              start = startdate;
            v = (double) t + now - start;
          }
        } else {
          v = (double) t;
          /*
           * if(start + t < enddate || enddate == -1) v = (double) t;
           * else v = (double) (enddate - start);
           */
        }
        sum += v;

        renderer = new SimpleSeriesRenderer();
        color = cursor.getInt(7);
        renderer.setColor(color);
        renderer.setChartValuesFormat(nf);
        if (v != 0.0) {
          nvalues.add(s);
          values.add(v);
          c.add(color);
          mRenderer.addSeriesRenderer(renderer);
        }
      }
      if (now < enddate && enddate != -1) {
        renderer = new SimpleSeriesRenderer();
        color = 0;
        c.add(color);
        renderer.setColor(color);
        renderer.setChartValuesFormat(nf);
        mRenderer.addSeriesRenderer(renderer);
        nvalues.add(getString(R.string.future));
        values.add((double) enddate - now);
        sum += enddate - now;
      }
      if (enddate != -1)
        sum = (double) (enddate - startdate);
      StringBuilder sb = new StringBuilder();
      for (int i1 = 0, cnt1 = values.size(); i1 < cnt1; i1++) {
        sb.append("<font color=\"#");
        sb.append(String.format("%08X", c.get(i1)).substring(2));
        sb.append("\">");
        sb.append("<big>&#9679;</big> ");
        sb.append("</font>");
        sb.append(nvalues.get(i1));
        sb.append(" &#8721;= ");
        sb.append(getTime(values.get(i1)));
        sb.append(" (");
        sb.append(nf.format(values.get(i1) / sum).replace(" ", ""));
        sb.append(')');

        sb.append("<br>");
        mSeries.add(nvalues.get(i1), values.get(i1) / sum);
      }
      sb.append("_____<br>");
      sb.append("<font color=\"#00FFFFFF\">");
      sb.append("<big>&#0020;</big>");
      sb.append("</font>");
      sb.append(getString(R.string.total));
      sb.append(" &#8721;= ");
      sb.append(getTime(sum));
      sb.append(" (100%)");
      if (mChartView != null) {
        mChartView.repaint();
      }
      mLegendText.setText(Html.fromHtml(sb.toString()));
    }
  }

  public String getTime(double time) {
    int day;
    int hours;
    int minutes;
    int seconds;
    day = (int) (time / (24 * 60 * 60 * 1000));
    hours = (int) (time / (60 * 60 * 1000)) - day * 24;
    minutes = (int) (time / (60 * 1000)) - day * 24 * 60 - 60 * hours;
    seconds = (int) (time / 1000) - day * 24 * 60 * 60 - 60 * 60 * hours
        - 60 * minutes;
    String s = new String();
    if (day > 0) {
      s = String.format("%s\n%02d:%02d:%02d", getTimeString("day", day),
          hours, minutes, seconds);
    } else
      s = String.format("%02d:%02d:%02d", hours, minutes, seconds);
    return s;
  }

  private String getTimeString(String res, int l) {
    StringBuilder s = new StringBuilder();
    s.append(l);
    s.append(' ');
    if (l == 1 || (l % 10 == 1 && l != 11)) {
      s.append(getString(getResources().getIdentifier(res + "1",
          "string", getActivity().getPackageName())));
    } else if ((l % 10 == 2 || l % 10 == 3 || l % 10 == 4) && l != 12
        && l != 13 && l != 14) {
      s.append(getString(getResources().getIdentifier(res + "234",
          "string", getActivity().getPackageName())));
    } else
      s.append(getString(getResources().getIdentifier(res + "s",
          "string", getActivity().getPackageName())));
    return s.toString();
  }

  @Override
  public void onLoaderReset(Loader<Cursor> arg0) {

  }

  @Override
  public void onDestroy() {
    super.onDestroy();
  };

  @Override
  public void onReload() {
    loadermanager.restartLoader(LOADER_ID, null, this);
  }

  public static DiagramFragment newInstance() {
    DiagramFragment fragment = new DiagramFragment();
    return fragment;
  }

  public static int getRandomColor() {
    Random rnd = new Random();
    return Color.argb(255, rnd.nextInt(256), rnd.nextInt(256),
        rnd.nextInt(256));
  }

  @Override
  public void onClick(View v) {
    if (v.getId() == R.id.pad_share) {
      if (mChartView != null) {
        Bitmap b = mChartView.toBitmap();
        app.BitmapShare(getActivity(), b);
        b.recycle();
      }
    }
  }
}
Java Source Code List
