Android Open Source - sensorreadout Export Task

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Back to project page sensorreadout.

License

The source code is released under:

Apache License

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Java Source Code

package de.onyxbits.sensorreadout;
//  w ww. j a  v  a 2 s  .c o m
import org.achartengine.model.XYMultipleSeriesDataset;
import org.achartengine.model.XYSeries;

import android.content.Intent;
import android.os.AsyncTask;

/**
 * Builds the CSV dump for sharing.
 * 
 * @author patrick
 * 
 */
class ExportTask extends AsyncTask<XYMultipleSeriesDataset, Integer, String> {

  private ReadoutActivity activity;

  public ExportTask(ReadoutActivity activity) {
    this.activity = activity;
  }

  @Override
  protected String doInBackground(XYMultipleSeriesDataset... params) {
    StringBuilder sb = new StringBuilder();
    XYSeries series[] = params[0].getSeries();
    int samples = series[0].getItemCount();
    for (int i = 0; i < samples; i++) {
      sb.append(i);
      sb.append(", ");
      sb.append(series[0].getY(i));
      if (series.length > 1) {
        sb.append(", ");
        sb.append(series[1].getY(i));
        if (series.length > 2) {
          sb.append(", ");
          sb.append(series[2].getY(i));
        }
      }
      sb.append("\n");
      publishProgress(10000 * i / samples);
    }
    return sb.toString();
  }

  @Override
  public void onPreExecute() {
    activity.setProgressBarVisibility(true);
  }

  @Override
  public void onProgressUpdate(Integer... values) {
    activity.setProgress(values[0]);
  }

  @Override
  public void onPostExecute(String result) {
    activity.setProgressBarVisibility(false);
    Intent sendIntent = new Intent();
    sendIntent.setAction(Intent.ACTION_SEND);
    sendIntent.putExtra(Intent.EXTRA_TEXT, result);
    sendIntent.setType("text/plain");
    activity.startActivity(Intent.createChooser(sendIntent, activity
        .getResources().getText(R.string.send_to)));
  }
}

Java Source Code List