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Making a phone call using TextField in Java ME

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[[Category:Java ME]][[Category:MIDP 2.0]][[Category:Telephony]][[Category:S60 3rd Edition FP1]][[Category:Code Examples]]
 
{{Archived|timestamp=20120313130308|user=roy.debjit| }}
 
{{Archived|timestamp=20120313130308|user=roy.debjit| }}
[[Category:Java ME]][[Category:MIDP 2.0]][[Category:Code Snippet]][[Category:Telephony]][[Category:S60 3rd Edition FP1]][[Category:Code Snippet]]
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{{ArticleMetaData <!-- v1.2 -->
 
{{ArticleMetaData <!-- v1.2 -->
|sourcecode= [[Media:MakingPhoneCall2 Java.zip]]
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|sourcecode= [[Media:MakingPhoneCallTextField.zip]]
|installfile= <!-- Link to installation file (e.g. [[Media:The Installation File.sis]]) -->
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|installfile= [[Media:MakingPhoneCallTFBinaries.zip]]
|devices= Nokia N95 8GB, Nokia 701
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|devices= Nokia N95 8GB, Nokia 701, Nokia Asha 305
 
|sdk= <!-- SDK(s) built and tested against (e.g. [http://linktosdkdownload/ Nokia Qt SDK 1.1]) -->
 
|sdk= <!-- SDK(s) built and tested against (e.g. [http://linktosdkdownload/ Nokia Qt SDK 1.1]) -->
 
|platform= S60 3rd Edition, FP1 and later
 
|platform= S60 3rd Edition, FP1 and later
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* [[Archived:Making a phone call programmatically using platformRequest() in Java ME]]
 
* [[Archived:Making a phone call programmatically using platformRequest() in Java ME]]
[[Category:Code Examples]]
 

Revision as of 14:29, 3 July 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}}.


Article Metadata
Code ExampleTested with
Devices(s): Nokia N95 8GB, Nokia 701, Nokia Asha 305
CompatibilityArticle
Keywords: javax.microedition.lcdui.TextField
Created: tapla (07 May 2008)
Last edited: mtilli (03 Jul 2012)

Contents

Overview

This snippet demonstrates how to make a phone call by using a TextField. The MIDlet constructs a phone number field and displays it on the screen. The user may enter a phone number into it. After that, he or she can select Options > Call to call that number.

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.lcdui.TextField;
import javax.microedition.midlet.MIDlet;
public class MakingPhoneCall2 extends MIDlet implements CommandListener {
private TextField numberField;
private Command callCommand;
private Command exitCommand;
private Form mainForm;
 
/**
* Constructor. Constructs the object and initializes displayables.
*/

public MakingPhoneCall2() {
mainForm = new Form("ExampleMIDlet");
 
// Create a phone number field, which allows a call to be made
numberField = new TextField("Phone number", null, 20, TextField.PHONENUMBER);
mainForm.append(numberField);
 
callCommand = new Command("Call", Command.SCREEN, 0);
mainForm.addCommand(callCommand);
 
exitCommand = new Command("Exit", Command.EXIT, 0);
mainForm.addCommand(exitCommand);
 
mainForm.setCommandListener(this);
}
 
/**
* 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();
} else if (command == exitCommand) {
// Exit the MIDlet
destroyApp(true);
notifyDestroyed();
}
}
/**
* Makes a call to number user typed in the text field.
*/

private void call() {
String number;
 
number = numberField.getString();
try {
platformRequest("tel:" + number);
} catch (ConnectionNotFoundException ex) {
System.out.println(ex.getMessage());
}
}
}

Postconditions

A phone number field is displayed on the screen. The user can enter a phone number and select Options > Call to call that number.

See also

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