Android19 above and below URI-to-path methods

Source: Internet
Author: User

Android 19 +

/*** Get file path from URI designed for Android4.4 above*/     Public StaticString GetPath (FinalContext Context,FinalURI Uri) {        Final BooleanIskitkat = Build.VERSION.SDK_INT >=Build.version_codes.        KITKAT; //Documentprovider        if(Iskitkat &&Documentscontract.isdocumenturi (context, URI)) {            //Externalstorageprovider            if(Isexternalstoragedocument (URI)) {Logutils.loginfostar ("Isexternalstoragedocument"); FinalString docId =Documentscontract.getdocumentid (URI); Finalstring[] split = Docid.split (":"); FinalString type = split[0]; if("PRIMARY". Equalsignorecase (Type)) {                    returnEnvironment.getexternalstoragedirectory () + "/" + split[1]; }                //TODO handle Non-primary volumes            }            //Downloadsprovider            Else if(Isdownloadsdocument (URI)) {Logutils.loginfostar ("Isdownloadsdocument"); FinalString ID =Documentscontract.getdocumentid (URI); FinalUri Contenturi =Contenturis.withappendedid (Uri.parse ("Content://downloads/public_downloads"), long.valueof (ID)); returnGetdatacolumn (context, Contenturi,NULL,NULL); }            //Mediaprovider            Else if(Ismediadocument (URI)) {Logutils.loginfostar ("Ismediadocument"); FinalString docId =Documentscontract.getdocumentid (URI); Finalstring[] split = Docid.split (":"); FinalString 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; }                FinalString selection = "_id=?"; Finalstring[] Selectionargs =NewString[]{split[1]}; returngetdatacolumn (context, Contenturi, selection, Selectionargs); }        }        //Mediastore ( and General)        Else if("Content". Equalsignorecase (Uri.getscheme ())) {            returnGetdatacolumn (context, URI,NULL,NULL); }        //File        Else if("File". Equalsignorecase (Uri.getscheme ())) {            returnUri.getpath (); }        return NULL; }    /*** Get The value of the data column for this Uri.     This was useful for * Mediastore Uris, and other file-based contentproviders. *     * @paramcontext the context. * @paramuri the URI to query. * @paramselection (Optional) Filter used in the query. * @paramSelectionargs (Optional) Selection arguments used in the query. * @returnthe value of the _data column, which is typically a file path. */     Public Staticstring Getdatacolumn (context context, Uri Uri, String selection, string[] Selec Tionargs) {cursor cursor=NULL; FinalString column = "_data"; Finalstring[] Projection ={column}; Try{cursor=context.getcontentresolver (). Query (URI, projection, selection, Selectionargs,NULL); if(Cursor! =NULL&&Cursor.movetofirst ()) {                Final intColumn_index =cursor.getcolumnindexorthrow (column); returncursor.getstring (Column_index); }        } finally {            if(Cursor! =NULL) Cursor.close (); }        return NULL; }    /**     * @paramuri the URI to check. * @returnWhether The Uri authority is externalstorageprovider. */     Public Static Booleanisexternalstoragedocument (Uri uri) {return"Com.android.externalstorage.documents". Equals (Uri.getauthority ()); }    /**     * @paramuri the URI to check. * @returnWhether The Uri authority is downloadsprovider. */     Public Static Booleanisdownloadsdocument (Uri uri) {return"Com.android.providers.downloads.documents". Equals (Uri.getauthority ()); }    /**     * @paramuri the URI to check. * @returnWhether The Uri authority is mediaprovider. */     Public Static Booleanismediadocument (Uri uri) {return"Com.android.providers.media.documents". Equals (Uri.getauthority ()); }

Android 19 below:

  /*** Try to return the absolute file path from the given Uri * *@paramContext *@paramURI *@returnThe file path or null*/     Public StaticString Uri2path (FinalContext Context,FinalURI Uri) {        if(NULL= = URI)return NULL; FinalString scheme =Uri.getscheme (); String Data=NULL; if(Scheme = =NULL) Data=Uri.getpath (); Else if(ContentResolver.SCHEME_FILE.equals (SCHEME)) {Data=Uri.getpath (); } Else if(ContentResolver.SCHEME_CONTENT.equals (SCHEME)) {cursor cursor= Context.getcontentresolver (). Query (URI,NewString[]{mediastore.images.imagecolumns.data},NULL,NULL,NULL); if(NULL!=cursor) {                if(Cursor.movetofirst ()) {intindex =Cursor.getcolumnindex (MediaStore.Images.ImageColumns.DATA); if(Index = =-1) {Index=Cursor.getcolumnindexorthrow (MediaStore.Images.Media.DATA); }                    if(Index >-1) {Data=cursor.getstring (index);            }} cursor.close (); }        }        returndata; }

Android19 above and below URI-to-path methods

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