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Java by API/javax.microedition.lcdui/Form - История изменений
2026-04-23T11:52:13Z
История изменений этой страницы в вики
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http://www.jexp.ru/index.php?title=Java_by_API/javax.microedition.lcdui/Form&diff=2729&oldid=prev
в 17:43, 31 мая 2010
2010-05-31T17:43:49Z
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http://www.jexp.ru/index.php?title=Java_by_API/javax.microedition.lcdui/Form&diff=2730&oldid=prev
Admin: 1 версия
2010-05-31T14:49:08Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>== Form: addCommand(Command cmd) ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
<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.Form;<br />
import javax.microedition.lcdui.StringItem;<br />
import javax.microedition.midlet.MIDlet;<br />
public class Main extends MIDlet implements CommandListener {<br />
private Command exitCommand = new Command("Exit", Command.EXIT, 1);<br />
private Command setLabelCommand = new Command("Label", Command.SCREEN, 1);<br />
private Command setTextCommand = new Command("Text", Command.SCREEN, 1);<br />
private Command getLabelTextCommand = new Command("Get", Command.SCREEN, 1);<br />
private StringItem stringItem1 = new StringItem("Label1", "Content1");<br />
private StringItem stringItem2 = new StringItem(null, "Content2");<br />
private Display display = Display.getDisplay(this);<br />
public Main() {<br />
}<br />
public void startApp() {<br />
Form aForm = new Form("StringItem");<br />
aForm.append(stringItem1);<br />
aForm.append(stringItem2);<br />
aForm.addCommand(exitCommand);<br />
aForm.addCommand(setLabelCommand);<br />
aForm.addCommand(setTextCommand);<br />
aForm.addCommand(getLabelTextCommand);<br />
aForm.setCommandListener(this);<br />
display.setCurrent(aForm);<br />
}<br />
public void pauseApp() {<br />
}<br />
public void destroyApp(boolean unconditional) {<br />
}<br />
public void commandAction(Command c, Displayable s) {<br />
if (c == exitCommand) {<br />
destroyApp(false);<br />
notifyDestroyed();<br />
}<br />
if (c == setLabelCommand)<br />
stringItem1.setLabel("new label");<br />
if (c == setTextCommand)<br />
stringItem2.setText("new text");<br />
if (c == getLabelTextCommand) {<br />
Alert alert = new Alert("Info", stringItem1.getLabel() + ":" + stringItem1.getText(), null,<br />
AlertType.INFO);<br />
alert.setTimeout(5000);<br />
display.setCurrent(alert);<br />
}<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== Form: append(Item item) ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
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import javax.microedition.lcdui.Display;<br />
import javax.microedition.lcdui.Form;<br />
import javax.microedition.lcdui.TextField;<br />
import javax.microedition.midlet.MIDlet;<br />
public class Main extends MIDlet {<br />
protected Display display;<br />
protected boolean started;<br />
protected void startApp() {<br />
if (!started) {<br />
display = Display.getDisplay(this);<br />
Form form = new Form("Item Layout");<br />
form.append("line");<br />
form.append(new TextField("Name", "J. Doe", 32, TextField.ANY));<br />
form.append("Address");<br />
form.append(new TextField(null, null, 32, TextField.ANY));<br />
display.setCurrent(form);<br />
started = true;<br />
}<br />
}<br />
protected void pauseApp() {<br />
}<br />
protected void destroyApp(boolean unconditional) {<br />
}<br />
}<br />
<br />
<br />
</source><br />
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<!-- end source code --><br />
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== Form: setItemStateListener(ItemStateListener iListener) ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
<br />
import javax.microedition.lcdui.Display;<br />
import javax.microedition.lcdui.Form;<br />
import javax.microedition.lcdui.Gauge;<br />
import javax.microedition.lcdui.Item;<br />
import javax.microedition.lcdui.ItemStateListener;<br />
import javax.microedition.lcdui.StringItem;<br />
import javax.microedition.midlet.MIDlet;<br />
public class Main extends MIDlet implements ItemStateListener {<br />
private Gauge mGauge;<br />
private StringItem mStringItem;<br />
public Main() {<br />
int initialValue = 5;<br />
mGauge = new Gauge("GaugeTitle", true, 10, initialValue);<br />
mStringItem = new StringItem(null, "[value]");<br />
itemStateChanged(mGauge);<br />
}<br />
public void itemStateChanged(Item item) {<br />
if (item == mGauge)<br />
mStringItem.setText("Value = " + mGauge.getValue());<br />
}<br />
public void startApp() {<br />
Form form = new Form("GaugeTracker");<br />
form.append(mGauge);<br />
form.append(mStringItem);<br />
form.setItemStateListener(this);<br />
Display.getDisplay(this).setCurrent(form);<br />
}<br />
public void pauseApp() {<br />
}<br />
public void destroyApp(boolean unconditional) {<br />
}<br />
}<br />
<br />
<br />
</source><br />
<br />
<br />
<!-- end source code --><br />
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== new Form(String value) ==<br />
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<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
import javax.microedition.lcdui.Display;<br />
import javax.microedition.lcdui.Form;<br />
import javax.microedition.lcdui.TextField;<br />
import javax.microedition.midlet.MIDlet;<br />
public class Main extends MIDlet {<br />
protected Display display;<br />
protected boolean started;<br />
protected void startApp() {<br />
if (!started) {<br />
display = Display.getDisplay(this);<br />
Form form = new Form("Item Layout");<br />
form.append("line");<br />
form.append(new TextField("Name", "J. Doe", 32, TextField.ANY));<br />
form.append("Address");<br />
form.append(new TextField(null, null, 32, TextField.ANY));<br />
display.setCurrent(form);<br />
started = true;<br />
}<br />
}<br />
protected void pauseApp() {<br />
}<br />
protected void destroyApp(boolean unconditional) {<br />
}<br />
}<br />
<br />
<br />
</source><br />
<br />
<br />
<!-- end source code --></div>
Admin