java.lang.Object
|
+--javax.microedition.midlet.MIDlet
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public final int checkPermission(String permission)
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protected abstract void destroyApp(boolean unconditional)
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[1291]MIDletDemo
By Anonymous on 2005/02/02 10:25:55 Rate
import java.io.*;
import java.util.*;
import javax.microedition.io.*;
import javax.microedition.midlet.*;
import javax.microedition.io.file.*;
public class MIDletDemo extends MIDlet {
public void startApp ( ) {
System.out.println ( "MIDlet Started...." ) ;
getRoots ( ) ;
GetSDcardContent ( ) ;
//showFile ( "readme.txt" ) ;
}
public void pauseApp ( ) {
}
public void destroyApp ( boolean condition ) {
notifyDestroyed ( ) ;
}
private void getRoots ( ) {
Enumeration drives = FileSystemRegistry.listRoots ( ) ;
System.out.println ( "The valid roots found are: " ) ;
while ( drives.hasMoreElements ( ) ) {
String root = ( String ) drives.nextElement ( ) ;
System.out.println ( "\t"+root ) ;
}
}
private void GetSDcardContent ( ) {
try {
FileConnection fc = ( FileConnection )
Connector.open ( "file:///CFCard/" ) ;
// Get a filtered list of all files and directories.
// True means: include hidden files.
// To list just visible files and directories, use
// list ( ) with no arguments.
System.out.println
( "List of files and directories under CFCard:" ) ;
Enumeration filelist = fc.list ( "*", true ) ;
while ( filelist.hasMoreElements ( ) ) {
String fileName = ( String ) filelist.nextElement ( ) ;
fc = ( FileConnection )
Connector.open ( "file:///CFCard/" + fileName ) ;
if ( fc.isDirectory ( ) ) {
System.out.println ( "\tDirectory Name: " + fileName ) ;
} else {
System.out.println
( "\tFile Name: " + fileName +
"\tSize: "+fc.fileSize ( ) ) ;
}
}
fc.close ( ) ;
} catch ( IOException ioe ) {
System.out.println ( ioe.getMessage ( ) ) ;
}
}
public void showFile ( String fileName ) {
try {
FileConnection fc = ( FileConnection )
Connector.open ( "file:///CFCard/" + fileName ) ;
if ( !fc.exists ( ) ) {
throw new IOException ( "File does not exist" ) ;
}
InputStream is = fc.openInputStream ( ) ;
byte b [ ] = new byte [ 1024 ] ;
int length = is.read ( b, 0, 1024 ) ;
System.out.println
( "Content of "+fileName + ": "+ new String ( b, 0, length ) ) ;
} catch ( Exception e ) {
}
}
}
public final String getAppProperty(String key)
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protected MIDlet()
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public final void notifyDestroyed()
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public final void notifyPaused()
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protected abstract void pauseApp()
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public final boolean platformRequest(String URL)
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public final void resumeRequest()
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protected abstract void startApp()
throws MIDletStateChangeException- Geek's Notes:
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