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Java Tutorial/J2ME/ImageItem - История изменений
2026-04-21T23:57:23Z
История изменений этой страницы в вики
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http://www.jexp.ru/index.php?title=Java_Tutorial/J2ME/ImageItem&diff=4168&oldid=prev
Admin: 1 версия
2010-06-01T05:00:26Z
<p>1 версия</p>
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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 05:00, 1 июня 2010</td>
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Admin
http://www.jexp.ru/index.php?title=Java_Tutorial/J2ME/ImageItem&diff=4167&oldid=prev
в 17:44, 31 мая 2010
2010-05-31T17:44:27Z
<p></p>
<p><b>Новая страница</b></p><div>== Combine ImageItem.LAYOUT_NEWLINE_BEFORE, ImageItem.LAYOUT_CENTER,ImageItem.LAYOUT_NEWLINE_AFTER for ImageItem ==<br />
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<!-- start source code --><br />
<br />
<source lang="java"><br />
import java.io.IOException;<br />
import javax.microedition.lcdui.Display;<br />
import javax.microedition.lcdui.Form;<br />
import javax.microedition.lcdui.Image;<br />
import javax.microedition.lcdui.ImageItem;<br />
import javax.microedition.midlet.MIDlet;<br />
public class ImageItemLAYOUT_NEWLINE_BEFORELAYOUT_CENTER extends MIDlet {<br />
protected Display display;<br />
protected void startApp() {<br />
display = Display.getDisplay(this);<br />
Form form = new Form("Demo");<br />
form.append("line");<br />
try {<br />
Image red = Image.createImage("/red.png");<br />
form.append(new ImageItem(null, red, <br />
ImageItem.LAYOUT_NEWLINE_BEFORE | <br />
ImageItem.LAYOUT_CENTER | <br />
ImageItem.LAYOUT_NEWLINE_AFTER, null));<br />
} catch (IOException ex) {<br />
form.append("Failed to load images");<br />
}<br />
display.setCurrent(form);<br />
}<br />
protected void pauseApp() {<br />
}<br />
protected void destroyApp(boolean unconditional) {<br />
}<br />
}</source><br />
<br />
<br />
<!-- end source code --><br />
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== ImageItem with default image layout ==<br />
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<!-- start source code --><br />
<br />
<source lang="java"><br />
import java.io.IOException;<br />
import javax.microedition.lcdui.Display;<br />
import javax.microedition.lcdui.Form;<br />
import javax.microedition.lcdui.Image;<br />
import javax.microedition.lcdui.ImageItem;<br />
import javax.microedition.midlet.MIDlet;<br />
public class ImageItemLAYOUT_DEFAULT extends MIDlet {<br />
protected Display display;<br />
protected void startApp() {<br />
display = Display.getDisplay(this);<br />
Form form = new Form("Demo");<br />
form.append("line");<br />
try {<br />
Image red = Image.createImage("/red.png");<br />
form.append(new ImageItem("Default", red, ImageItem.LAYOUT_DEFAULT, null));<br />
} catch (IOException ex) {<br />
form.append("Failed to load images");<br />
}<br />
display.setCurrent(form);<br />
}<br />
protected void pauseApp() {<br />
}<br />
protected void destroyApp(boolean unconditional) {<br />
}<br />
}</source><br />
<br />
<br />
<!-- end source code --><br />
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== ImageItem with Image layout center ==<br />
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<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
import java.io.IOException;<br />
import javax.microedition.lcdui.Display;<br />
import javax.microedition.lcdui.Form;<br />
import javax.microedition.lcdui.Image;<br />
import javax.microedition.lcdui.ImageItem;<br />
import javax.microedition.midlet.MIDlet;<br />
public class ImageItemLAYOUT_CENTER extends MIDlet {<br />
protected Display display;<br />
protected void startApp() {<br />
display = Display.getDisplay(this);<br />
Form form = new Form("Demo");<br />
form.append("line");<br />
try {<br />
Image red = Image.createImage("/red.png");<br />
form.append(new ImageItem("Center", red, ImageItem.LAYOUT_CENTER, null));<br />
} catch (IOException ex) {<br />
form.append("Failed to load images");<br />
}<br />
display.setCurrent(form);<br />
}<br />
protected void pauseApp() {<br />
}<br />
protected void destroyApp(boolean unconditional) {<br />
}<br />
}</source><br />
<br />
<br />
<!-- end source code --><br />
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== ImageItem with image layout left ==<br />
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<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
import java.io.IOException;<br />
import javax.microedition.lcdui.Display;<br />
import javax.microedition.lcdui.Form;<br />
import javax.microedition.lcdui.Image;<br />
import javax.microedition.lcdui.ImageItem;<br />
import javax.microedition.midlet.MIDlet;<br />
public class ImageItemLAYOUT_LEFT extends MIDlet {<br />
protected Display display;<br />
protected void startApp() {<br />
display = Display.getDisplay(this);<br />
Form form = new Form("Demo");<br />
form.append("line");<br />
try {<br />
Image red = Image.createImage("/red.png");<br />
form.append(new ImageItem("Left", red, ImageItem.LAYOUT_LEFT, null));<br />
} catch (IOException ex) {<br />
form.append("Failed to load images");<br />
}<br />
display.setCurrent(form);<br />
}<br />
protected void pauseApp() {<br />
}<br />
protected void destroyApp(boolean unconditional) {<br />
}<br />
}</source><br />
<br />
<br />
<!-- end source code --><br />
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<br />
<br />
<br />
== ImageItem with image layout right ==<br />
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<br />
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<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
import java.io.IOException;<br />
import javax.microedition.lcdui.Display;<br />
import javax.microedition.lcdui.Form;<br />
import javax.microedition.lcdui.Image;<br />
import javax.microedition.lcdui.ImageItem;<br />
import javax.microedition.midlet.MIDlet;<br />
public class ImageItemLAYOUT_RIGHT extends MIDlet {<br />
protected Display display;<br />
protected void startApp() {<br />
display = Display.getDisplay(this);<br />
Form form = new Form("Demo");<br />
form.append("line");<br />
try {<br />
Image red = Image.createImage("/red.png");<br />
form.append(new ImageItem("Right", red, ImageItem.LAYOUT_RIGHT, null));<br />
} catch (IOException ex) {<br />
form.append("Failed to load images");<br />
}<br />
display.setCurrent(form);<br />
}<br />
protected void pauseApp() {<br />
}<br />
protected void destroyApp(boolean unconditional) {<br />
}<br />
}</source><br />
<br />
<br />
<!-- end source code --><br />
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<br />
== Load png image to ImageItem ==<br />
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<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
import java.io.IOException;<br />
import javax.microedition.lcdui.Display;<br />
import javax.microedition.lcdui.Form;<br />
import javax.microedition.lcdui.Image;<br />
import javax.microedition.lcdui.ImageItem;<br />
import javax.microedition.midlet.MIDlet;<br />
public class ImageItemExampleMIDlet extends MIDlet {<br />
protected Display display;<br />
protected void startApp() {<br />
display = Display.getDisplay(this);<br />
Form form = new Form("Demo");<br />
form.append("line");<br />
try {<br />
Image red = Image.createImage("/red.png");<br />
form.append(new ImageItem(null, red, <br />
ImageItem.LAYOUT_NEWLINE_BEFORE | <br />
ImageItem.LAYOUT_DEFAULT | <br />
ImageItem.LAYOUT_NEWLINE_AFTER, null));<br />
} catch (IOException ex) {<br />
form.append("Failed to load images");<br />
}<br />
display.setCurrent(form);<br />
}<br />
protected void pauseApp() {<br />
}<br />
protected void destroyApp(boolean unconditional) {<br />
}<br />
}</source><br />
<br />
<br />
<!-- end source code --><br />
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<br />
<br />
== Use ImageItem in a form ==<br />
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<br />
<!-- start source code --><br />
<br />
<source lang="java"><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.Image;<br />
import javax.microedition.lcdui.ImageItem;<br />
import javax.microedition.midlet.MIDlet;<br />
public class ImageItemMIDlet extends MIDlet implements CommandListener {<br />
private Command exitCommand = new Command("exit", Command.EXIT, 1);<br />
private ImageItem imageItem;<br />
private Image aImage;<br />
private Display display = Display.getDisplay(this);<br />
public ImageItemMIDlet() {<br />
try {<br />
aImage = Image.createImage("/10.png");<br />
} catch (Exception e) {<br />
}<br />
imageItem = new ImageItem("Java 2", aImage, ImageItem.LAYOUT_CENTER, "image");<br />
}<br />
public void startApp() {<br />
Form aForm = new Form("ImageItem");<br />
aForm.append(imageItem);<br />
aForm.addCommand(exitCommand);<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 />
}<br />
}</source><br />
<br />
<br />
<!-- end source code --></div>