Admin: 1 версия

2010-06-01T05:00:19Z

1 версия

в 17:44, 31 мая 2010

2010-05-31T17:44:27Z

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== Add DateField with current time to a form ==



<source lang="java">
import java.util.Calendar;
import javax.microedition.lcdui.DateField;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Form;
import javax.microedition.midlet.MIDlet;
public class DateFieldTIME extends MIDlet {
protected Display display;
protected void startApp() {
display = Display.getDisplay(this);
Form form = new Form("Demo");
form.append("line");
DateField timeOnly = new DateField("Time", DateField.TIME);
timeOnly.setDate(Calendar.getInstance().getTime());
form.append(timeOnly);
display.setCurrent(form);
}
protected void pauseApp() {
}
protected void destroyApp(boolean unconditional) {
}
}</source>



== Create DateField for Date ==



<source lang="java">
import java.util.Calendar;
import javax.microedition.lcdui.DateField;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Form;
import javax.microedition.midlet.MIDlet;
public class DateFieldSetDate extends MIDlet {
protected Display display;
protected void startApp() {
display = Display.getDisplay(this);
Form form = new Form("Demo");
form.append("line");
DateField timeOnly = new DateField("Time", DateField.DATE);
timeOnly.setDate(Calendar.getInstance().getTime());
form.append(timeOnly);
display.setCurrent(form);
}
protected void pauseApp() {
}
protected void destroyApp(boolean unconditional) {
}
}</source>



== Create DateField for Date and Time ==



<source lang="java">
import java.util.Calendar;
import javax.microedition.lcdui.DateField;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Form;
import javax.microedition.midlet.MIDlet;
public class DateFieldDATE_TIME extends MIDlet {
protected Display display;
protected void startApp() {
display = Display.getDisplay(this);
Form form = new Form("Demo");
form.append("line");
DateField timeOnly = new DateField("Time", DateField.DATE_TIME);
timeOnly.setDate(Calendar.getInstance().getTime());
form.append(timeOnly);
display.setCurrent(form);
}
protected void pauseApp() {
}
protected void destroyApp(boolean unconditional) {
}
}</source>



== Today"s date in DateField ==



<source lang="java">
import java.util.Date;
import javax.microedition.lcdui.rumand;
import javax.microedition.lcdui.rumandListener;
import javax.microedition.lcdui.DateField;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.midlet.MIDlet;
public class J2MEDateToday extends MIDlet implements CommandListener {
private Display display;
private Form form = new Form("Today"s Date");
private Date today = new Date(System.currentTimeMillis());
private Command exit = new Command("Exit", Command.EXIT, 1);
private DateField datefield = new DateField("", DateField.DATE_TIME);
public J2MEDateToday() {
display = Display.getDisplay(this);
datefield.setDate(today);
form.append(datefield);
form.addCommand(exit);
form.setCommandListener(this);
}
public void startApp() {
display.setCurrent(form);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command command, Displayable displayable) {
if (command == exit) {
destroyApp(false);
notifyDestroyed();
}
}
}</source>



== Use DateField ==



<source lang="java">
import javax.microedition.lcdui.rumand;
import javax.microedition.lcdui.rumandListener;
import javax.microedition.lcdui.DateField;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.midlet.MIDlet;
public class DateFieldMIDlet extends MIDlet implements CommandListener {
private Command exitCommand;
private DateField dateDateField = new DateField("date:", DateField.DATE);
private DateField timeDateField = new DateField("time:", DateField.TIME);
private DateField bothDateField = new DateField("both:", DateField.DATE_TIME);
private Display display;
public DateFieldMIDlet() {
display = Display.getDisplay(this);
exitCommand = new Command("exit", Command.EXIT, 1);
java.util.Date now = new java.util.Date();
dateDateField.setDate(now);
timeDateField.setDate(now);
bothDateField.setDate(now);
}
public void startApp() {
Form aForm = new Form("DateField");
aForm.append(dateDateField);
aForm.append(timeDateField);
aForm.append(bothDateField);
aForm.addCommand(exitCommand);
aForm.setCommandListener(this);
display.setCurrent(aForm);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command c, Displayable s) {
if (c == exitCommand) {
destroyApp(false);
notifyDestroyed();
}
}
}</source>

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Java Tutorial/J2ME/DateField - История изменений

Admin: 1 версия

в 17:44, 31 мая 2010