retrieve absolute path when select image from gallery kitkat android

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说谎
说谎 2020-12-01 07:59

As I am supporting my app to Kitkat version, now in this the way of retrieve file from gallery was different.

I have preferred this Android Gallery on KitKat returns

4条回答
  •  自闭症患者
    2020-12-01 08:44

    Perfectly working solution:

    package utils;
    
    /**
     * Created by layer on 4/21/2015.
     */
    import android.annotation.TargetApi;
    import android.content.ContentUris;
    import android.content.Context;
    import android.database.Cursor;
    import android.net.Uri;
    import android.os.Build;
    import android.os.Environment;
    import android.provider.DocumentsContract;
    import android.provider.MediaStore;
    
    public class ImageFilePath {
    
        /**
         * Method for return file path of Gallery image
         *
         * @param context
         * @param uri
         * @return path of the selected image file from gallery
         */
        @TargetApi(Build.VERSION_CODES.KITKAT)
        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());
        }
    }
    

    https://github.com/layerlre/Android-Utility-Class/blob/master/utils/ImageFilePath.java

    Hope works for you.

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