delete Video In Folder From Media Provider - Android android.media

Android examples for android.media:Video

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Description

delete Video In Folder From Media Provider

Demo Code

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.provider.MediaStore.Video;
import android.util.Log;

public class Main {

  private static final String t = "MediaUtils";

  public static final int deleteVideoInFolderFromMediaProvider(Context ctxt, File folder) {
    if (folder == null)
      return 0;/*from w  ww .j ava 2 s  .c  o  m*/

    ContentResolver cr = ctxt.getContentResolver();
    // video
    int count = 0;
    Cursor videoCursor = null;
    try {
      String select = Video.Media.DATA + " like ? escape '!'";
      String[] selectArgs = { escapePath(folder.getAbsolutePath()) };

      String[] projection = { Video.VideoColumns._ID };
      videoCursor = cr.query(android.provider.MediaStore.Video.Media.EXTERNAL_CONTENT_URI, projection, select,
          selectArgs, null);
      if (videoCursor.getCount() > 0) {
        videoCursor.moveToFirst();
        List<Uri> videoToDelete = new ArrayList<Uri>();
        do {
          String id = videoCursor.getString(videoCursor.getColumnIndex(Video.VideoColumns._ID));

          videoToDelete.add(Uri.withAppendedPath(android.provider.MediaStore.Video.Media.EXTERNAL_CONTENT_URI, id));
        } while (videoCursor.moveToNext());

        for (Uri uri : videoToDelete) {
          Log.i(t, "attempting to delete: " + uri);
          count += cr.delete(uri, null, null);
        }
      }
    } catch (Exception e) {
      Log.e(t, e.toString());
    } finally {
      if (videoCursor != null) {
        videoCursor.close();
      }
    }
    return count;
  }

  private static String escapePath(String path) {
    String ep = path;
    ep = ep.replaceAll("\\!", "!!");
    ep = ep.replaceAll("_", "!_");
    ep = ep.replaceAll("%", "!%");
    return ep;
  }

}

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