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Java by API/javax.microedition.lcdui/List - История изменений
2026-04-23T08:57:20Z
История изменений этой страницы в вики
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http://www.jexp.ru/index.php?title=Java_by_API/javax.microedition.lcdui/List&diff=2735&oldid=prev
в 17:43, 31 мая 2010
2010-05-31T17:43:49Z
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<td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td>
<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 17:43, 31 мая 2010</td>
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http://www.jexp.ru/index.php?title=Java_by_API/javax.microedition.lcdui/List&diff=2736&oldid=prev
Admin: 1 версия
2010-05-31T14:49:10Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>== List: append(String stringPart, Image imagePart) ==<br />
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<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
import javax.microedition.lcdui.Choice;<br />
import javax.microedition.lcdui.Display;<br />
import javax.microedition.lcdui.List;<br />
import javax.microedition.midlet.MIDlet;<br />
public class PaymentMIDlet extends MIDlet {<br />
private Display display;<br />
List options = new List("Method of Payment", Choice.EXCLUSIVE);<br />
public void startApp() {<br />
display = Display.getDisplay(this);<br />
options.append("Visa", null);<br />
options.append("MasterCard", null);<br />
options.append("Amex", null);<br />
display.setCurrent(options);<br />
}<br />
public void pauseApp() {<br />
}<br />
public void destroyApp(boolean unconditional) {<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== List.SELECT_COMMAND ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
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import java.io.IOException;<br />
import javax.microedition.lcdui.Alert;<br />
import javax.microedition.lcdui.AlertType;<br />
import javax.microedition.lcdui.rumand;<br />
import javax.microedition.lcdui.rumandListener;<br />
import javax.microedition.lcdui.Display;<br />
import javax.microedition.lcdui.Displayable;<br />
import javax.microedition.lcdui.Image;<br />
import javax.microedition.lcdui.List;<br />
import javax.microedition.midlet.MIDlet;<br />
public class J2METravelList extends MIDlet implements CommandListener {<br />
private List mList;<br />
private Command mExitCommand, mNextCommand;<br />
public J2METravelList() {<br />
String[] stringElements = { "A", "C", "H" };<br />
Image[] imageElements = { loadImage("/a.png"), loadImage("/c.png"),<br />
loadImage("/h.png") };<br />
mList = new List("Reservation type", List.IMPLICIT, stringElements, imageElements);<br />
mNextCommand = new Command("Next", Command.SCREEN, 0);<br />
mExitCommand = new Command("Exit", Command.EXIT, 0);<br />
mList.addCommand(mNextCommand);<br />
mList.addCommand(mExitCommand);<br />
mList.setCommandListener(this);<br />
}<br />
public void startApp() {<br />
Display.getDisplay(this).setCurrent(mList);<br />
}<br />
public void commandAction(Command c, Displayable s) {<br />
if (c == mNextCommand || c == List.SELECT_COMMAND) {<br />
int index = mList.getSelectedIndex();<br />
Alert alert = new Alert("Your selection", "You chose " + mList.getString(index) + ".", null,<br />
AlertType.INFO);<br />
Display.getDisplay(this).setCurrent(alert, mList);<br />
} else if (c == mExitCommand)<br />
notifyDestroyed();<br />
}<br />
public void pauseApp() {<br />
}<br />
public void destroyApp(boolean unconditional) {<br />
}<br />
private Image loadImage(String name) {<br />
Image image = null;<br />
try {<br />
image = Image.createImage(name);<br />
} catch (IOException ioe) {<br />
System.out.println(ioe);<br />
}<br />
return image;<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== new List(String title, int listType, String[] stringElements, Image[] imageElements) ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
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import java.io.IOException;<br />
import javax.microedition.lcdui.Alert;<br />
import javax.microedition.lcdui.AlertType;<br />
import javax.microedition.lcdui.rumand;<br />
import javax.microedition.lcdui.rumandListener;<br />
import javax.microedition.lcdui.Display;<br />
import javax.microedition.lcdui.Displayable;<br />
import javax.microedition.lcdui.Image;<br />
import javax.microedition.lcdui.List;<br />
import javax.microedition.midlet.MIDlet;<br />
public class J2METravelList extends MIDlet implements CommandListener {<br />
private List mList;<br />
private Command mExitCommand, mNextCommand;<br />
public J2METravelList() {<br />
String[] stringElements = { "A", "C", "H" };<br />
Image[] imageElements = { loadImage("/a.png"), loadImage("/c.png"),<br />
loadImage("/h.png") };<br />
mList = new List("Reservation type", List.IMPLICIT, stringElements, imageElements);<br />
mNextCommand = new Command("Next", Command.SCREEN, 0);<br />
mExitCommand = new Command("Exit", Command.EXIT, 0);<br />
mList.addCommand(mNextCommand);<br />
mList.addCommand(mExitCommand);<br />
mList.setCommandListener(this);<br />
}<br />
public void startApp() {<br />
Display.getDisplay(this).setCurrent(mList);<br />
}<br />
public void commandAction(Command c, Displayable s) {<br />
if (c == mNextCommand || c == List.SELECT_COMMAND) {<br />
int index = mList.getSelectedIndex();<br />
Alert alert = new Alert("Your selection", "You chose " + mList.getString(index) + ".", null,<br />
AlertType.INFO);<br />
Display.getDisplay(this).setCurrent(alert, mList);<br />
} else if (c == mExitCommand)<br />
notifyDestroyed();<br />
}<br />
public void pauseApp() {<br />
}<br />
public void destroyApp(boolean unconditional) {<br />
}<br />
private Image loadImage(String name) {<br />
Image image = null;<br />
try {<br />
image = Image.createImage(name);<br />
} catch (IOException ioe) {<br />
System.out.println(ioe);<br />
}<br />
return image;<br />
}<br />
}<br />
<br />
</source><br />
<br />
<br />
<!-- end source code --></div>
Admin