/**需要依赖Okio*/
private static final String VIDEO_BASE_URI = "content://media/external/video/media";
/***
     *
     * @param videoPath
     * @param context
     */
    private void insertVideo(String videoPath, Context context) {
        MediaMetadataRetriever retriever = new MediaMetadataRetriever();
        retriever.setDataSource(videoPath);
        int nVideoWidth = Integer.parseInt(retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_WIDTH));
        int nVideoHeight = Integer.parseInt(retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_HEIGHT));
        int duration = Integer
                .parseInt(retriever
                        .extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION));
        long dateTaken = System.currentTimeMillis();
        File file = new File(videoPath);
        String title = file.getName();
        String filename = file.getName();
        String mime = "video/mp4";
        ContentValues mCurrentVideoValues = new ContentValues(9);
        mCurrentVideoValues.put(MediaStore.Video.Media.TITLE, title);
        mCurrentVideoValues.put(MediaStore.Video.Media.DISPLAY_NAME, filename);
        mCurrentVideoValues.put(MediaStore.Video.Media.DATE_TAKEN, dateTaken);
        mCurrentVideoValues.put(MediaStore.MediaColumns.DATE_MODIFIED, dateTaken / 1000);
        mCurrentVideoValues.put(MediaStore.Video.Media.MIME_TYPE, mime);
        mCurrentVideoValues.put(MediaStore.Video.Media.DATA, videoPath);
        mCurrentVideoValues.put(MediaStore.Video.Media.WIDTH, nVideoWidth);
        mCurrentVideoValues.put(MediaStore.Video.Media.HEIGHT, nVideoHeight);
        mCurrentVideoValues.put(MediaStore.Video.Media.RESOLUTION, Integer.toString(nVideoWidth) + "x" + Integer.toString(nVideoHeight));
        mCurrentVideoValues.put(MediaStore.Video.Media.SIZE, new File(videoPath).length());
        mCurrentVideoValues.put(MediaStore.Video.Media.DURATION, duration);
        ContentResolver contentResolver = context.getContentResolver();
        Uri videoTable = Uri.parse(VIDEO_BASE_URI);
        Uri uri = contentResolver.insert(videoTable, mCurrentVideoValues);
        writeFile(videoPath, mCurrentVideoValues, contentResolver, uri);
    }

保存图片

/**需要依赖Okio*/
/***
     *
     * @param imagePath
     * @param context
     */
    private void insertImage(String imagePath, Context context) {
        ContentValues values = new ContentValues();
        values.put(MediaStore.Images.Media.DISPLAY_NAME, "IMG1024.JPG");
        values.put(MediaStore.Images.Media.MIME_TYPE, "image/jpeg");
        ContentResolver contentResolver = context.getContentResolver();
        Uri collection = MediaStore.Images.Media.getContentUri(MediaStore.VOLUME_EXTERNAL_PRIMARY);
        Uri item = contentResolver.insert(collection, values);
        writeFile(imagePath, values, contentResolver, item);
        contentResolver.update(item, values, null, null);
    }

写文件方法:

/***
     *
     * @param videoPath
     * @param context
     */
    private void insertVideo(String videoPath, Context context) {
        MediaMetadataRetriever retriever = new MediaMetadataRetriever();
        retriever.setDataSource(videoPath);
        int nVideoWidth = Integer.parseInt(retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_WIDTH));
        int nVideoHeight = Integer.parseInt(retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_HEIGHT));
        int duration = Integer
                .parseInt(retriever
                        .extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION));
        long dateTaken = System.currentTimeMillis();
        File file = new File(videoPath);
        String title = file.getName();
        String filename = file.getName();
        String mime = "video/mp4";
        ContentValues mCurrentVideoValues = new ContentValues(9);
        mCurrentVideoValues.put(MediaStore.Video.Media.TITLE, title);
        mCurrentVideoValues.put(MediaStore.Video.Media.DISPLAY_NAME, filename);
        mCurrentVideoValues.put(MediaStore.Video.Media.DATE_TAKEN, dateTaken);
        mCurrentVideoValues.put(MediaStore.MediaColumns.DATE_MODIFIED, dateTaken / 1000);
        mCurrentVideoValues.put(MediaStore.Video.Media.MIME_TYPE, mime);
        mCurrentVideoValues.put(MediaStore.Video.Media.DATA, videoPath);
        mCurrentVideoValues.put(MediaStore.Video.Media.WIDTH, nVideoWidth);
        mCurrentVideoValues.put(MediaStore.Video.Media.HEIGHT, nVideoHeight);
        mCurrentVideoValues.put(MediaStore.Video.Media.RESOLUTION, Integer.toString(nVideoWidth) + "x" + Integer.toString(nVideoHeight));
        mCurrentVideoValues.put(MediaStore.Video.Media.SIZE, new File(videoPath).length());
        mCurrentVideoValues.put(MediaStore.Video.Media.DURATION, duration);
        ContentResolver contentResolver = context.getContentResolver();
        Uri videoTable = Uri.parse(VIDEO_BASE_URI);
        Uri uri = contentResolver.insert(videoTable, mCurrentVideoValues);
        writeFile(videoPath, mCurrentVideoValues, contentResolver, uri);
    }

private void writeFile(String imagePath, ContentValues values, ContentResolver contentResolver, Uri item) {
        try (OutputStream rw = contentResolver.openOutputStream(item, "rw")) {
            // Write data into the pending image.
            Sink sink = Okio.sink(rw);
            BufferedSource buffer = Okio.buffer(Okio.source(new File(imagePath)));
            buffer.readAll(sink);
            values.put(MediaStore.Video.Media.IS_PENDING, 0);
            contentResolver.update(item, values, null, null);
            new File(imagePath).delete();
            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
                Cursor query = getContentResolver().query(item, null, null, null);
                if (query != null) {
                    int count = query.getCount();
                    Log.e("writeFile","writeFile result :" + count);
                    query.close();
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }