android get file path from content uri

This article is the use of JS to obtain IE Upload file path implementation code for a detailed analysis of the introduction, the need for friends under the reference copy code code as follows: function validatefilesize (ID, maxsize) { var btnsave = document.getElementById ("Button2"); btnsave.disabled = false; var filepath = ""; var fileupload = document.getElementById (ID); if (Fileupload.value.le

Importospath1=os.path.dirname (__file__) print (path1) # Gets the absolute path of the currently running script path2=os.path.dirname (Os.path.dirname (__file__)) # print (path2) #获取当前运行脚本的绝对路径 (remove the last path) path3=os.path.dirname ( Os.path.dirname (Os.path.dirname (__file__))) print (PATH3) #获取当前运行脚本的绝对路径 (remove the last 2 paths) path4=os.path.dirname (Os.path.dirname (Os.path.dirname (Os.path.di

PHP Get file absolute path Copy Code code as follows: Echo __file__; Get the absolute address of the current file, result: D:\www\test.php echo dirname (__file__); Gets the absolute directory where the current file is l

Get the various related methods of the path:Get file name:Basename/home/cuizhiliang344/note.txtNote.txtGet directory:Dirname/home/cuizhiliang344/note.txt/home/cuizhiliang344Get the full path from a fileMethod One:Readlink-f Note.txt/home/cuizhiliang344/note.txtMethod Two:Python-c ' Import OS; Print (Os.path.abspath ("Note.txt")) 'Method Three:LS $PWD/note.txtThis

Copy Code code as follows: function validatefilesize (ID, maxsize) { var btnsave = document.getElementById ("Button2"); btnsave.disabled = false; var filepath = ""; var fileupload = document.getElementById (ID); if (Fileupload.value.length var agent = window.navigator.userAgent; if (document.all) { var isIE7 = Agent.indexof (' msie 7.0 ')!=-1; var isIE8 = agent.indexof (' msie 8.0 ')!=-1; IE7 and IE8 get

Four storage methods for Android data: SharedPreferences, SQLite, Content Provider, and File (2) -- SQLite and androidsqlite SQLite is a lightweight database designed for embedded devices. It has only five data types: NULL: NULL INTEGER: INTEGER REAL: Floating Point Number TEXT: String BLOB: Big Data In SQLite, the BOOLEAN and DATE types are not specifically desi

action = Intent.getaction (); // When the system starts scanning the SD card, you can add a wait box for the user experience if (Intent.action_media_scanner_ Started.equals (action) {} // When the system scan is complete , stop displaying the wait box and requery contentprovider if ( Intent.ACTION_MEDIA_SCANNER_FINISHED.equals (ACTION)) {}}} In this way, we can force the Media Library to be updated.However, after 4.4, Android has increase

Android file operations-read the content in assets and raw files, androidassets 1. Create the assets folder and res/raw folder respectively. (Note that the raw file is new under res and a folder named raw is created) 2. Create two txt files and copy them to the asset and raw folders: 3. Implementation results: 4. I

Tag: Android Bluetooth File receive path Bluetooth receiveTo modify a file:Packages/apps/bluetooth/src/com/android/bluetooth/opp/bluetoothoppreceivefileinfo.javaRelated Code snippet: public static Bluetoothoppreceivefileinfo Generatefileinfo (context context, int id) {Contentresolver contentre Solver = Contex

// Obtain the dictionary. absolute path of the DB file Android supports four data storage methods:Preference, file, database, content provider. A test program that has been working over the past few days requires the storage of an image

How to modify the Android Bluetooth file receiving path Modify file: Packages/apps/Bluetooth/src/com/android/bluetooth/opp/export thoppreceivefileinfo. java Related code snippets: public static BluetoothOppReceiveFileInfo generateFileInfo(Context context, int id) {

Android read the file content implementation method, there are several ways to organize, you need to see. If you want to open a file that is private to the/data/data/ FileInputStream instream = This.getcontext (). Openfileinput ("Itcast.txt");LOG.I ("Filetest", Readinstream (instream)); Readinstream () method please

, String FileName) {if(isdebug) {Try { //gets the mbase variable in the Contextwrapper object. The variable holds the Contextimpl objectField field = Contextwrapper.class. Getdeclaredfield ("Mbase"); Field.setaccessible (true); //Get mbase variableObject obj =Field.get (context); //gets the Contextimpl. Mpreferencesdir variable that holds the save path to the data filefield = Obj.getclass ().

Public class createfile extends activity {private bufferedreader reader; private textview tvfilereader;/** called when the activity is first created. * // @ override public void oncreate (bundle savedinstancestate) {super. oncreate (savedinstancestate); setcontentview (R. layout. main); tvfilereader = (textview) findviewbyid (R. id. tvfilereader); string Path = environment. getexternalstoragedirectory (). get