Android Select picture, get path by URI

    /** * Gets the absolute path of the picture according to the URI * * @param Context Context Object * @param URI of the image of the URL * @return if the URI corresponding to the picture exists, then return The absolute path of the picture, otherwise returns NULL */public static String Getrealpathfromuri (context context, Uri uri) {int sdkversion = B Uild. VERSION.        Sdk_int;        if (sdkversion >=) {//API >= return getRealPathFromUriAboveApi19 (context, URI);        } else {//API < return getRealPathFromUriBelowAPI19 (context, URI); }}/** * api19 the following (excluding api19), gets the absolute path of the picture according to the URI * * @param Context Context Object * @param URI of the picture  @return returns the absolute path of the picture if the corresponding picture of the URI exists, otherwise returns NULL */private static String getRealPathFromUriBelowAPI19 (context context,    Uri Uri) {return Getdatacolumn (context, URI, NULL, NULL); }/** * Suitable for api19 and above, get the absolute path of the picture according to the URI * * @param Context Context Object * @param URI of the picture of the URIs * @return if the URI to The expected picture exists, then returns the absolute path of the picture, otherwise returns null */@SuppressLint ("Newapi") private static STRing getRealPathFromUriAboveApi19 (context context, Uri Uri) {String filePath = null; if (Documentscontract.isdocumenturi (context, URI)) {//If it is a URI of document type, it is processed by the document ID Stri            ng DocumentID = Documentscontract.getdocumentid (URI); if (Ismediadocument (URI)) {//Mediaprovider//Use ': ' to split String id = documentid.split (":") [1]                ;                String selection = mediastore.images.media._id + "=?";                String[] Selectionargs = {ID};            FilePath = Getdatacolumn (Context, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, selection, Selectionargs); } else if (Isdownloadsdocument (URI)) {//Downloadsprovider uri Contenturi = Contenturis.withappendedid (uri                . Parse ("Content://downloads/public_downloads"), long.valueof (DocumentID));            FilePath = Getdatacolumn (context, Contenturi, NULL, NULL); }} else if ("content". Equalsignorecase (Uri.getschemE ())) {//If the URI of the content type FilePath = Getdatacolumn (context, URI, NULL, NULL); } else if ("File". Equals (Uri.getscheme ())) {//If it is a file-type URI, get the path to the image directly FilePath = Uri.getpath (        );    } return FilePath;  /** * Gets the _data column in the database table, which returns the file path of the URI * @return */private static String Getdatacolumn (context context,        Uri Uri, string selection, string[] selectionargs) {string path = null;        string[] projection = new String[]{mediastore.images.media.data};        cursor cursor = NULL;            try {cursor = Context.getcontentresolver (). Query (URI, projection, selection, Selectionargs, null); if (cursor! = NULL && Cursor.movetofirst ()) {int columnindex = Cursor.getcolumnindexorthrow (proje                Ction[0]);            Path = cursor.getstring (columnindex);  }} catch (Exception e) {if (cursor! = NULL) {cursor.close ();          }} return path; }/** * @param uri the URI to check * @return Whether the URI authority is mediaprovider */private stat    IC 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 downloadsprovider */privat E static Boolean isdownloadsdocument (Uri uri) {return ' com.android.providers.downloads.documents '. Equals (Uri.getau    Thority ()); }

• Android 4.4 above and android4.4 previous version through the URI Get path method is not the same, so the code did the processing
• android5.1.1 a picture of the uri→content://com.android.providers.media.documents/document/image:68

Android Select picture, get path by URI