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flipImage

roko_man | PRO | 01/14/18 07:36:59 AM UTC | 0 ⭐ | 213 👁️ | Never ⏰ | []
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public class ImageFilePath {
     /**
     * Method for return file path of Gallery image
     *
     * @param context
     * @param uri
     * @return path of the selected image file from gallery
     */
    @SuppressLint("NewApi")
    public static String getPath(final Context context, final Uri uri) {
         // check here to KITKAT or new version
        final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
         // DocumentProvider
        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
             // ExternalStorageProvider
            if (isExternalStorageDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];
                 if ("primary".equalsIgnoreCase(type)) {
                    return Environment.getExternalStorageDirectory() + "/"
                            + split[1];
                }
            }
            // DownloadsProvider
            else if (isDownloadsDocument(uri)) {
                 final String id = DocumentsContract.getDocumentId(uri);
                final Uri contentUri = ContentUris.withAppendedId(
                        Uri.parse("content://downloads/public_downloads"),
                        Long.valueOf(id));
                 return getDataColumn(context, contentUri, null, null);
            }
            // MediaProvider
            else if (isMediaDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];
                 Uri contentUri = null;
                if ("image".equals(type)) {
                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
                } else if ("video".equals(type)) {
                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
                } else if ("audio".equals(type)) {
                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
                }
                 final String selection = "_id=?";
                final String[] selectionArgs = new String[]{split[1]};
                 return getDataColumn(context, contentUri, selection,
                        selectionArgs);
            }
        }
        // MediaStore (and general)
        else if ("content".equalsIgnoreCase(uri.getScheme())) {
             // Return the remote address
            if (isGooglePhotosUri(uri))
                return uri.getLastPathSegment();
             return getDataColumn(context, uri, null, null);
        }
        // File
        else if ("file".equalsIgnoreCase(uri.getScheme())) {
            return uri.getPath();
        }
         return null;
    }
     /**
     * Get the value of the data column for this Uri. This is useful for
     * MediaStore Uris, and other file-based ContentProviders.
     *
     * @param context       The context.
     * @param uri           The Uri to query.
     * @param selection     (Optional) Filter used in the query.
     * @param selectionArgs (Optional) Selection arguments used in the query.
     * @return The value of the _data column, which is typically a file path.
     */
    public static String getDataColumn(Context context, Uri uri,
                                       String selection, String[] selectionArgs) {
         Cursor cursor = null;
        final String column = "_data";
        final String[] projection = {column};
         try {
            cursor = context.getContentResolver().query(uri, projection,
                    selection, selectionArgs, null);
            if (cursor != null && cursor.moveToFirst()) {
                final int index = cursor.getColumnIndexOrThrow(column);
                return cursor.getString(index);
            }
        } finally {
            if (cursor != null)
                cursor.close();
        }
        return null;
    }
     /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is ExternalStorageProvider.
     */
    public static boolean isExternalStorageDocument(Uri uri) {
        return "com.android.externalstorage.documents".equals(uri
                .getAuthority());
    }
     /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is DownloadsProvider.
     */
    public static boolean isDownloadsDocument(Uri uri) {
        return "com.android.providers.downloads.documents".equals(uri
                .getAuthority());
    }
     /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is MediaProvider.
     */
    public static boolean isMediaDocument(Uri uri) {
        return "com.android.providers.media.documents".equals(uri
                .getAuthority());
    }
     /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is Google Photos.
     */
    public static boolean isGooglePhotosUri(Uri uri) {
        return "com.google.android.apps.photos.content".equals(uri
                .getAuthority());
    }
}
    ///lip image 
  fun flipImage(path: String): Bitmap {
         var exif: ExifInterface? = null
        var yourSelectedImage: Bitmap
         try {
            exif = ExifInterface(path)
        } catch (e: IOException) {
            e.printStackTrace()
        }
         val orientation = exif!!.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL)
        val m = Matrix()
         var rotate = 0
         if (orientation == ExifInterface.ORIENTATION_ROTATE_180)
            rotate = 180
         if (orientation == ExifInterface.ORIENTATION_ROTATE_270)
            rotate = 270
         if (orientation == ExifInterface.ORIENTATION_ROTATE_90)
            rotate = 90
         m.postRotate(rotate.toFloat())
         val options = BitmapFactory.Options()
        options.inSampleSize = 2
        options.inPreferredConfig = Bitmap.Config.RGB_565
         yourSelectedImage = BitmapFactory.decodeFile(path, options)
          try {
            yourSelectedImage = Bitmap.createBitmap(yourSelectedImage, 0, 0,
                    yourSelectedImage.width,
                    yourSelectedImage.height, m, true)
             //            image quality - it was set to 500,500
            //  yourSelectedImage = Bitmap.createScaledBitmap(yourSelectedImage, 1000, 1000, true);
        } catch (e: Exception) {
            e.printStackTrace()
        }
          return yourSelectedImage
     }

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