Android Open Source - 101AndroidApps File Manager

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License

The source code is released under:

Licenced under the Creative Commons Attribution 4.0 licence. For full text see http://creativecommons.org/licenses/by/4.0/

Java Source Code

package com.hulzenga.ioi.android.util;
/*from   w w  w  .ja  va  2s  . c o m*/
import android.os.Environment;
import android.util.Log;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;

public class FileManager {

  private static final String TAG = "FILE_MANAGER";

  /**
   * Public Storage directory of all media created with this app
   */
  public static final String APP_MEDIA_DIRECTORY = "101AndroidApps";

  /**
   * Image media type, file named according to: IMG_yyyyMMdd_HHmmss.jpg
   */
  public static final int MEDIA_TYPE_IMAGE = 1;

  /**
   * Video media type, file named according to: VID_yyyyMMdd_HHmmss.mp4
   */
  public static final int MEDIA_TYPE_VIDEO = 2;

  /**
   * creates a new media output file and returns a handle to that file
   *
   * @param type the type of media file, this must be either {@link #MEDIA_TYPE_IMAGE} or {@link #MEDIA_TYPE_VIDEO}
   * @return
   */
  public static File getOutputMediaFile(int type) {

    File mediaStorageDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),
        APP_MEDIA_DIRECTORY);

    // create storage diractory if it does not exist
    if (!mediaStorageDir.exists()) {
      if (!mediaStorageDir.mkdirs()) {
        Log.e(TAG, "Failed to create media storage directory");
        return null;
      }
    }

    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
    File outputMediaFile;

    switch (type) {
      case MEDIA_TYPE_IMAGE:
        outputMediaFile = new File(mediaStorageDir.getPath() + File.separator + "IMG_" + timeStamp + ".jpg");
        break;
      case MEDIA_TYPE_VIDEO:
        outputMediaFile = new File(mediaStorageDir.getPath() + File.separator + "VID_" + timeStamp + ".mp4");
        break;
      default:
        Log.e(TAG, "invalid media type requested");
        return null;
    }

    return outputMediaFile;
  }
}

Java Source Code List

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