Android Loger Log class (get built-in SD card)

Android phone with internal storage path gets the original address: http://my.oschina.net/liucundong/blog/288183

Direct Sticker Code:

  Public StaticString Getexternalsdcardpath () {if(Sdcardutils.issdcardenable ()) {File Sdcardfile=NewFile (Environment.getexternalstoragedirectory (). GetAbsolutePath ()); returnSdcardfile.getabsolutepath (); } String Path=NULL; File Sdcardfile=NULL; ArrayList<String> devmountlist = getdevmountlist ();  for(String devmount:devmountlist) {File file=NewFile (Devmount); if(File.isdirectory () &&File.canwrite ()) {Path=File.getabsolutepath (); String TimeStamp=NewSimpleDateFormat ("Ddmmyyyy_hhmmss"). Format (NewDate ()); File testwritable=NewFile (Path, "Test_" +TimeStamp); if(Testwritable.mkdirs ()) {testwritable.delete (); } Else{Path=NULL; }            }        }        if(Path! =NULL) {Sdcardfile=NewFile (path); returnSdcardfile.getabsolutepath (); }        return NULL; }

//Read the file     Public Staticstring readFile(string fileName) {Try{File File=NewFile (fileName); FileInputStream FIS=Newfileinputstream (file); intLength =fis.available (); byte[] buffer =New byte[length];            Fis.read (buffer); String Res= encodingutils.getstring (buffer, "UTF-8");            Fis.close (); returnRes; }        Catch(Exception ex) {ex.printstacktrace (); return  NULL; }    }    Private StaticArraylist<string>getdevmountlist () {string[] Tosearch=ReadFile("/etc/vold.fstab"). Split (""); ArrayList<String> out =NewArraylist<string>();  for(inti = 0; i < tosearch.length; i++) {            if(Tosearch[i].contains ("Dev_mount")) {                if(NewFile (Tosearch[i + 2]). Exists ()) {Out.add (tosearch[i+ 2]); }            }        }        returnOut ; }

Get the external SD card path, you can write the log file to the external SD card. The log class is very simple, just a way to use it when you debug, and output the results.

ImportJava.io.File;Importjava.io.IOException;ImportJava.io.RandomAccessFile;Importjava.io.UnsupportedEncodingException;ImportJava.text.SimpleDateFormat;Importjava.util.Date;Importandroid.os.Environment;/*** Log Printing class, provides a switch to decide whether to print the log*/ Public classlogger{Private Final StaticSimpleDateFormat DateFormat =NewSimpleDateFormat ("Yyyy-mm-dd HH:mm:ss"); Private Static FinalSimpleDateFormat pathformate =NewSimpleDateFormat ("YyyyMMdd"); Private Static FinalSimpleDateFormat PATHFORMATE1 =NewSimpleDateFormat ("HH"); Private Static Booleanisrecord=true;//whether logs are logged//memory card directory and phone internal directory    Private Static FinalString Externalstorepath = Fileutil.getexternalsdcardpath () + "Nanbeiyoulog" +file.separator+pathformate.format (NewDate ()) +File.separator; Private Static FinalString FileName = Pathformate1.format (NewDate ()) + ". txt";  Public Static voidd (String tag,string msg) {if(IsRecord) {Try{savetosd (tag,msg); }            Catch(Exception ex) {ex.printstacktrace (); }        }    }    Private Static voidsavetosd (String tag,string msg) {Try{File path=NewFile (Externalstorepath); if(!path.exists ())            {Path.mkdirs (); } File mlogfile=NewFile (externalstorepath+FileName); if(!mlogfile.exists ())            {Mlogfile.createnewfile (); } stringbuffer SB=NewStringBuffer (); Sb.append (Dateformat.format (NewDate ())); Sb.append (": "); Sb.append ("DEBUG"); Sb.append (": ");            Sb.append (tag); Sb.append (": ");            Sb.append (msg); Sb.append ("\ n"); Randomaccessfile RAF=NULL; Try{RAF=NewRandomaccessfile (Mlogfile, "RW");                Raf.seek (Mlogfile.length ()); Raf.write (Sb.tostring (). GetBytes ("UTF-8")); }            Catch(unsupportedencodingexception e) {e.printstacktrace (); }            Catch(IOException e) {e.printstacktrace (); }            finally            {                if(RAF! =NULL)                {                    Try{raf.close (); }                    Catch(IOException e) {//TODO auto-generated Catch blockE.printstacktrace (); }                }            }        }        Catch(IOException IoE) {ioe.printstacktrace (); }    }}

Android Loger Log class (get built-in SD card)