Como listar arquivos da pasta raiz em Java ME - Revision history

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Maiconherverton: Created page with 'Category:Java ME (Português)Category:Lang-PTCategory: Exemplos de código Java ME (Português) Original: How to list root file systems in Java ME (Inglês) ==R…'

2009-09-17T03:36:43Z

Created page with 'Category:Java ME (Português)Category:Lang-PT Category: Exemplos de código Java ME (Português) Original: How to list root file systems in Java ME (Inglês) ==R…'

New page

[[Category:Java ME (Português)]][[Category:Lang-PT]][[Category: Exemplos de código Java ME (Português)]]

Original: [[How to list root file systems in Java ME]] (Inglês)

==Resumo==

Como listar arquivos da pasta raiz em Java ME. A API FileConnection(JSR-75) e seu método FileSystemRegistry.listRoots() existem para este fim.

O código para teste do MIDlet:

==Código fonte: RootMIDlet.java==

<code java>
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import java.util.Enumeration;
import javax.microedition.io.file.*;

public class RootMIDlet extends MIDlet implements CommandListener {
private Form form;
private Command exitCommand;

public void startApp() {
form = new Form("Root list");
exitCommand = new Command("Exit", Command.EXIT, 1);
form.addCommand(exitCommand);
form.setCommandListener(this);
Display.getDisplay(this).setCurrent(form);
createRootList();
}

public void pauseApp() {
}

public void destroyApp(boolean unconditional) {
}

protected void createRootList() {
form.append("Roots:\n");
Enumeration drives = FileSystemRegistry.listRoots();
while (drives.hasMoreElements()) {
String driveString = drives.nextElement().toString();
form.append(driveString + "\n");
}
}

public void commandAction(Command c, Displayable d) {
if (c == exitCommand) this.notifyDestroyed();
}
}
</code>

==Veja também==
* [http://wiki.forum.nokia.com/index.php/How_to_write_data_to_a_file_in_Java_ME How to write data to a file in Java ME]
* [http://wiki.forum.nokia.com/index.php/How_to_read_an_image_from_Gallery_in_Java_ME How to read an image from Gallery in Java ME]
* [http://wiki.forum.nokia.com/index.php/How_to_list_files_and_folders_in_Java_ME How to list files and folders in Java ME]

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 * [[How to read an image from Gallery in Java ME]]
 * [[How to list files and folders in Java ME]]

← Older revision		Revision as of 04:30, 10 November 2011
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		+	\|sourcecode= <!-- Link to example source code e.g. [[Media:The Code Example ZIP.zip]] -->
		+	\|installfile= <!-- Link to installation file (e.g. [[Media:The Installation File.sis]]) -->
		+	\|devices= <!-- Devices tested against - e.g. ''devices=Nokia 6131 NFC, Nokia C7-00'') -->
		+	\|sdk= <!-- SDK(s) built and tested against (e.g. [http://linktosdkdownload/ Nokia Qt SDK 1.1]) -->
		+	\|platform= <!-- Compatible platforms - e.g. Symbian^1 and later, Qt 4.6 and later -->
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	Original: [[How to list root file systems in Java ME]] (Inglês)		Original: [[How to list root file systems in Java ME]] (Inglês)

← Older revision		Revision as of 05:24, 14 July 2011
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−	[[Category:Java ME ~~(Português)~~]][[Category:Lang-PT]][[Category: ~~Exemplos de código Java ME (Português)~~]]	+	[[Category:Java ME]][[Category:Lang-Portuguese]][[Category:Code Examples]]

	Original: [[How to list root file systems in Java ME]] (Inglês)		Original: [[How to list root file systems in Java ME]] (Inglês)

@@ Line 52: / Line 52: @@
 ==Veja também==
-* [http://wiki.forum.nokia.com/index.php/How_to_write_data_to_a_file_in_Java_ME How to write data to a file in Java ME]
+* [[How to write data to a file in Java ME]]
-* [http://wiki.forum.nokia.com/index.php/How_to_read_an_image_from_Gallery_in_Java_ME How to read an image from Gallery in Java ME]
+* [[How to read an image from Gallery in Java ME]]
-* [http://wiki.forum.nokia.com/index.php/How_to_list_files_and_folders_in_Java_ME How to list files and folders in Java ME]
+* [[How to list files and folders in Java ME]]