Read/write From FileSystem, browse Account : File « File « Android






  1. Android
  2. File
  3. File

Read/write From FileSystem, browse Account

    
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Properties;

import android.app.Activity;
import android.widget.ListView;
class AccountFileUtil {

  public Properties readFromFS(Activity caller) {
    try{
      Properties fileProps = new Properties();
      File dir = caller.getApplicationContext().getFilesDir();
      File input = new File(dir.getAbsolutePath() + "/preferences" );
      fileProps.load(new FileInputStream(input));
      return fileProps;
    }
    catch(Exception e){}
    return null;
  }
  
  public void writeFromFS(Activity caller){
    try{
      Properties props = new Properties();
      props.put("clau","stronzo");
      File dir = caller.getApplicationContext().getFilesDir();
      File out = new File(dir.getPath() + "/preferences") ;
      props.put("location" , dir.getAbsolutePath());
      props.save(new FileOutputStream(out), null);
    }
    catch(Exception e){}
  }
  public ListView browseAccount(Activity caller){
    ListView map = new ListView(null);
    try{
      File dir = caller.getApplicationContext().getFilesDir();
      int i = 0;
      Properties props  = new Properties();
      while ( true) {
        props.load(new FileInputStream(dir.getAbsolutePath() + "/preferences" + i));
        String account = (String)props.get("account");
        //map.setite
        i++;
      }
      
    }
    catch(Exception e){}
    return map;
  }
}








Related examples in the same category

1.Read the created file and display to the screen
2.Create a Uri for files on external storage
3.Create a Uri for files on internal storage
4.File read and write
5.View/Listen to media file
6.File Copy Util
7.Copy File Thread
8.Adaptation of the class File to add some usefull functions
9.Save to Android local file system
10.Using Ini file to manage Preferences
11.File Cache
12.Format File Size
13.File Upload
14.File Name Extension Utils
15.Write and append string to file
16.Transfers required files to the the private file system part in order to be access them from C Code.
17.returns a canonical line of a obj or mtl file.
18.Trims down obj files, so that they may be parsed faster later on.
19.Format File Size:KB, MB, GB
20.Get File Contents as String
21.Read File and return CharSequence
22.Copy File
23.Create Path and file under External Storage
24.Get File Extension Name
25.Extract File Name From String
26.Write String to file
27.Create an output file from raw resources.
28.Copies a directory from a jar file to an external directory.
29.Reads a file from /raw/res/ and returns it as a String
30.Read Config ini file
31.Read Write File Manager
32.Copy two files
33.Get the filename of the media file and use that as the default title
34.Copy File and Directory
35.Determines the MIME type for a given filename.
36.Move a file stored in the cache to the internal storage of the specified context
37.CharSequence from File
38.File Manager
39.Save Exception to a file
40.Delete a file and create directory
41.Get a list of filenames in this folder.
42.Delete Directory
43.Delete Directory 2
44.Delete Directory 3
45.Get readable folder size
46.Copy chars from a large (over 2GB) Reader to a Writer.