Gets media file using file path and file name if exists - Android android.provider

Android examples for android.provider:MediaStore

  1. HOME
  2. Android
  3. android.provider
  4. MediaStore

Description

Gets media file using file path and file name if exists

Demo Code


//package com.java2s;

import java.io.File;

import android.content.Context;

import android.database.Cursor;

import android.net.Uri;
import android.os.Environment;
import android.provider.MediaStore;

public class Main {
    /**/*from  ww w  . j  ava 2 s.co  m*/
     *  Gets media file using file path and file name if exists
     * @param filepath
     * @param filename
     * @return
     */
    public static File getOutMediaFile(String filepath, String filename) {
        File mediaStorageDir = new File(
                Environment.getExternalStorageDirectory(), filepath);
        File mediaFile = null;

        if (mediaStorageDir.exists())
            mediaFile = new File(mediaStorageDir.getPath() + File.separator
                    + filename);

        return mediaFile;
    }

    /**
     *  Gets media file from Uri.
     * @param uri
     * @return
     */
    public static File getOutMediaFile(Context context, Uri uri) {
        File mediaFile = null;
        mediaFile = new File(getRealPathFromUri(context, uri));

        return mediaFile;
    }

    /**
     * Gets real path from the URI
     * @param context
     * @param contentUri
     * @return
     */
    public static String getRealPathFromUri(Context context, Uri contentUri) {
        Cursor cursor = null;
        try {
            String[] proj = { MediaStore.Images.Media.DATA };
            cursor = context.getContentResolver().query(contentUri, proj,
                    null, null, null);

            if (cursor == null)
                return null;

            if (cursor.getColumnIndex(MediaStore.Images.Media.DATA) != -1) {
                int columnIndex = cursor
                        .getColumnIndex(MediaStore.Images.Media.DATA);
                cursor.moveToFirst();
                return cursor.getString(columnIndex);
            }

            return null;
        } finally {
            if (cursor != null)
                cursor.close();
        }
    }
}

Related Tutorials