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Making a phone call programmatically using platformRequest() in Java ME

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[[Category:Java ME]][[Category:Telephony]]
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[[Category:Java ME]][[Category:Telephony]][[Category:MIDP 2.0]][[Category:Code Examples]][[Category:S60 3rd Edition]][[Category:Code Snippet]]
 
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==Overview==
 
==Overview==
  
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* [[CS000955 - Making a phone call using TextField]]
 
* [[CS000955 - Making a phone call using TextField]]
 
 
[[Category:MIDP 2.0]][[Category:Code Examples]][[Category:S60 3rd Edition]][[Category:Code Snippet]]
 

Revision as of 13:24, 23 February 2012

Template:KBCS

Article Metadata
Tested with
Devices(s): Nokia N95 8GB
CompatibilityPlatform Security
Capabilities: )
Article
Keywords: javax.microedition.midlet.MIDlet, javax.microedition.midlet.MIDlet.platformRequest()
Created: tapla (14 May 2008)
Last edited: debjit.roy (23 Feb 2012)

Archived.pngArchived: This article is archived because it is not considered relevant for third-party developers creating commercial solutions today. If you think this article is still relevant, let us know by adding the template {{ReviewForRemovalFromArchive|user=~~~~|write your reason here}}.

Overview

This snippet demonstrates how to make a phone call by using a platform request. The MIDlet constructs a menu item through which the user can call the specified number. After the platform request has been made, the user is prompted whether he or she wants to make a voice call, a video call, or an Internet call.

Source

import javax.microedition.io.ConnectionNotFoundException;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.midlet.MIDlet;
public class ExampleMIDlet extends MIDlet implements CommandListener {
private Command callCommand;
private Command exitCommand;
private Form mainForm;
// The phone number to call
private final String PHONE_NUMBER = "123456789";
 
/**
* Constructor. Constructs the object and initializes displayables.
*/

public ExampleMIDlet() {
mainForm = new Form("ExampleMIDlet");
 
callCommand = new Command("Call", Command.SCREEN, 0);
mainForm.addCommand(callCommand);
 
exitCommand = new Command("Exit", Command.EXIT, 0);
mainForm.addCommand(exitCommand);
 
mainForm.setCommandListener(this);
}
 
/**
* Calls the specified number.
*/

private void call(String number) {
try {
platformRequest("tel:" + number);
} catch (ConnectionNotFoundException ex) {
// TODO: Exception handling
}
}
 
/**
* Called when the MIDlet is started.
*/

public void startApp() {
Display.getDisplay(this).setCurrent(mainForm);
}
 
// Other inherited methods omitted for brevity
// ...
 
/**
* From CommandListener.
* Called by the system to indicate that a command has been invoked on a
* particular displayable.
* @param command the command that was invoked
* @param displayable the displayable where the command was invoked
*/

public void commandAction(Command command, Displayable displayable) {
if (command == callCommand) {
call(PHONE_NUMBER);
} else if (command == exitCommand) {
// Exit the MIDlet
destroyApp(true);
notifyDestroyed();
}
}

Postconditions

The user can select Call to call the specified number. He or she may also select whether the call should be a voice call, a video call, or an Internet call.

See also

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