大家好，我正在使用 Screen ，单击 CheckBox 后 Screen 的高度减小（更改侦听器调用时）。这是代码：-
public class IA_SearchScreen extends MainScreen implements FieldChangeListener
{
private CheckboxField ch1;
private CheckboxField ch2;
private CheckboxField ch3;
private CheckboxField r1;
private CheckboxField r2;
private CheckboxField r3;
private boolean togle_r1 = true;
private boolean togle_r2;
private boolean togle_r3;
private AutoTextEditField iaDescriptionEditField;
private AutoTextEditField streetEditField;
private AutoTextEditField postCodeEditField ;
private AutoTextEditField radiusEditField ;
private Bitmap filterButton_F = Bitmap.getBitmapResource("filter_ focus.png");
private Bitmap filterButton_N = Bitmap.getBitmapResource("filter_Unfocuss.png");
private int temp_mgr_Height = 0;
private StatusManager status_Manager;
private ImageButton map_Button;
private ImageButton favorite_Button;
private ImageButton search_Button;
private Calendar calendar;
private LabelField _startDateLabelField;
private LabelField _startTimeLabelField;
private LabelField _endDateLabelField;
private LabelField _endTimeLabelField;
private String[] street_Array;
private String[] postCode_Array;
private String SearchString = Global.EMPTY;
private String DisruptionsType = Global.EMPTY;
private String Lat = Global.EMPTY;
private String Long = Global.EMPTY;
private String Radius = Global.EMPTY;
private String Severity = Global.EMPTY;
private String StartDate = Global.EMPTY;
private String EndDate = Global.EMPTY;
private String PostCode = Global.EMPTY;
private String StreetName = Global.EMPTY;
private String AllDates = Global.EMPTY;
private VerticalFieldManager _workSpace ;
public IA_SearchScreen()
{
super(Screen.USE_ALL_HEIGHT);
_workSpace = (VerticalFieldManager)getMainManager();
/**
* Initialize Screen Components
* */
iaDescriptionEditField = new AutoTextEditField("" , "", 500, EditField.NO_NEWLINE | EditField.NON_SPELLCHECKABLE)
{
protected void layout(int width, int height)
{
super.layout(width, height);
setExtent((Global.Display_Width - 40), getHeight());
};
protected void paint(Graphics graphics)
{
graphics.setColor(Color.BLACK);
super.paint(graphics);
}
};
iaDescriptionEditField.setFont(Global.arialFont_Plain_16);
SizedHFM _source0 = new SizedHFM(Global.Display_Width -30);
_source0.setBorder(BorderFactory.createRoundedBorder(new XYEdges(3, 3, 3, 3), 0x867E42, Border.STYLE_FILLED), true);
_source0.add(iaDescriptionEditField);
HorizontalFieldManager hfm_0 = new HorizontalFieldManager()
{
protected void sublayout(int maxWidth, int maxHeight)
{
super.setExtent(maxWidth, maxHeight);
Field f = getField(0);
layoutChild(f, getPreferredWidthOfChild(f) ,getPreferredHeightOfChild(f));
setPositionChild(f, 10, 25);
temp_mgr_Height = getPreferredHeightOfChild(f) +20;
f = getField(1);
layoutChild(f, getPreferredWidthOfChild(f) ,getPreferredHeightOfChild(f));
//setPositionChild(f, Global.Display_Width -70, 25);
setPositionChild(f, Global.Display_Width -55, 25);
setExtent(maxWidth,temp_mgr_Height + 35);
};
protected void paint(Graphics graphics)
{
graphics.setColor(Color.BLACK);
graphics.setFont(Global.arialFont_Bold_16);
graphics.drawText("Search by Incident or Accident Description", 15, 5);
graphics.drawRect(5, 1, getWidth()-10, getHeight()-2);
super.paint(graphics);
}
};
hfm_0.add(_source0);
hfm_0.add(new LabelField());
/**
* StreetEditField Manager START
* */
streetEditField = new AutoTextEditField("" , "", 500, EditField.NO_NEWLINE | EditField.NON_SPELLCHECKABLE)
{
protected void layout(int width, int height)
{
super.layout(width, height);
setExtent((Global.Display_Width - 40), getHeight());
};
protected void paint(Graphics graphics)
{
graphics.setColor(Color.BLACK);
super.paint(graphics);
}
};
streetEditField.setFont(Global.arialFont_Plain_16);
SizedHFM _source = new SizedHFM(Global.Display_Width - 65);
_source.setBorder(BorderFactory.createRoundedBorder(new XYEdges(3, 3, 3, 3), 0x867E42, Border.STYLE_FILLED), true);
_source.add(streetEditField);
ImageButton btn_go_streetEditField = new ImageButton(filterButton_N , filterButton_F)
{
protected boolean navigationClick(int status, int time) {
fieldChangeNotify(1);
return true;
}
};
btn_go_streetEditField.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
street_Invoke();
}
});
HorizontalFieldManager hfm_1 = new HorizontalFieldManager()
{
protected void sublayout(int maxWidth, int maxHeight)
{
super.setExtent(maxWidth, maxHeight);
Field f = getField(0);
layoutChild(f, getPreferredWidthOfChild(f) ,getPreferredHeightOfChild(f));
setPositionChild(f, 10, 25);
temp_mgr_Height = getPreferredHeightOfChild(f) +20;
f = getField(1);
layoutChild(f, getPreferredWidthOfChild(f) ,getPreferredHeightOfChild(f));
//setPositionChild(f, Global.Display_Width -70, 25);
setPositionChild(f, Global.Display_Width -filterButton_N.getWidth()-10, 25);
setExtent(maxWidth,temp_mgr_Height + 35);
};
protected void paint(Graphics graphics)
{
graphics.setColor(Color.BLACK);
graphics.setFont(Global.arialFont_Plain_16);
graphics.drawText("Street", 15, 5);
graphics.drawRect(5, 1, getWidth()-10, getHeight()-2);
super.paint(graphics);
}
};
hfm_1.add(_source);
hfm_1.add(btn_go_streetEditField);
/**
* StreetEditField Manager END
* */
/**
* PostCodeEditField Manager START
* */
postCodeEditField = new AutoTextEditField("" , "", 500, EditField.NO_NEWLINE | EditField.NON_SPELLCHECKABLE)
{
protected void layout(int width, int height)
{
super.layout(width, height);
setExtent((Global.Display_Width - 40), getHeight());
};
protected void paint(Graphics graphics)
{
graphics.setColor(Color.BLACK);
super.paint(graphics);
}
};
postCodeEditField.setFont(Global.arialFont_Plain_16);
SizedHFM _source1 = new SizedHFM(Global.Display_Width -65);
_source1.setBorder(BorderFactory.createRoundedBorder(new XYEdges(3, 3, 3, 3), 0x867E42, Border.STYLE_FILLED), true);
_source1.add(postCodeEditField);
ImageButton btn_go_postCodeEditField = new ImageButton(filterButton_N , filterButton_F)
{
protected boolean navigationClick(int status, int time) {
fieldChangeNotify(1);
return true;
}
};
btn_go_postCodeEditField.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
postCode_Invoke();
}
});
HorizontalFieldManager hfm_2 = new HorizontalFieldManager()
{
protected void sublayout(int maxWidth, int maxHeight)
{
super.setExtent(maxWidth, maxHeight);
Field f = getField(0);
layoutChild(f, getPreferredWidthOfChild(f) ,getPreferredHeightOfChild(f));
setPositionChild(f, 10, 25);
temp_mgr_Height = getPreferredHeightOfChild(f) +20;
f = getField(1);
layoutChild(f, getPreferredWidthOfChild(f) ,getPreferredHeightOfChild(f));
//setPositionChild(f, Global.Display_Width -70, 25);
setPositionChild(f, Global.Display_Width - filterButton_N.getWidth()-10, 25);
setExtent(maxWidth,temp_mgr_Height + 35);
};
protected void paint(Graphics graphics)
{
graphics.setColor(Color.BLACK);
graphics.setFont(Global.arialFont_Plain_16);
graphics.drawText("Post code", 15, 5);
graphics.drawRect(5, 1, getWidth()-10, getHeight()-2);
super.paint(graphics);
}
};
hfm_2.add(_source1);
hfm_2.add(btn_go_postCodeEditField);
/**
* PostCodeEditField Manager END
* */
radiusEditField = new AutoTextEditField("" , "", 5, EditField.NO_NEWLINE |AutoTextEditField.FILTER_INTEGER )
{
protected void layout(int width, int height)
{
super.layout(width, height);
setExtent((Global.Display_Width - 40), getHeight());
};
protected void paint(Graphics graphics)
{
graphics.setColor(Color.BLACK);
super.paint(graphics);
}
};
radiusEditField.setFont(Global.arialFont_Plain_16);
SizedHFM _source3 = new SizedHFM(Global.Display_Width -30);
_source3.setBorder(BorderFactory.createRoundedBorder(new XYEdges(3, 3, 3, 3), 0x867E42, Border.STYLE_FILLED), true);
_source3.add(radiusEditField);
HorizontalFieldManager hfm_3 = new HorizontalFieldManager()
{
protected void sublayout(int maxWidth, int maxHeight)
{
super.setExtent(maxWidth, maxHeight);
Field f = getField(0);
layoutChild(f, getPreferredWidthOfChild(f) ,getPreferredHeightOfChild(f));
setPositionChild(f, 10, 25);
temp_mgr_Height = getPreferredHeightOfChild(f) +20;
f = getField(1);
layoutChild(f, getPreferredWidthOfChild(f) ,getPreferredHeightOfChild(f));
//setPositionChild(f, Global.Display_Width -70, 25);
setPositionChild(f, Global.Display_Width -55, 25);
setExtent(maxWidth,temp_mgr_Height + 35);
};
protected void paint(Graphics graphics)
{
graphics.setColor(Color.BLACK);
graphics.setFont(Global.arialFont_Bold_16);
graphics.drawText("Radius (in Meters)", 15, 5);
graphics.drawRect(5, 1, getWidth()-10, getHeight()-2);
super.paint(graphics);
}
};
hfm_3.add(_source3);
hfm_3.add(new LabelField());
/**
* Start Date & Time
* */
_startDateLabelField = new LabelField("")
{
protected void layout(int width, int height) {
super.layout(150, 25);
super.setExtent(150, 25);
}
public boolean isFocusable() {
return true;
}
};
_startTimeLabelField = new LabelField("")
{
protected void layout(int width, int height) {
super.layout(150, 25);
super.setExtent(150, 25);
}
public boolean isFocusable() {
// TODO Auto-generated method stub
return true;
}
};
HorizontalFieldManager startDateNTimeManager = new HorizontalFieldManager()
{
protected void sublayout(int maxWidth, int maxHeight)
{
super.setExtent(Global.Display_Width,/*temp_mgr_Height + 25*/ 70);
Field f = getField(0);
layoutChild(f, getPreferredWidthOfChild(f) ,getPreferredHeightOfChild(f));
setPositionChild(f, 20, 30);
temp_mgr_Height = getPreferredHeightOfChild(f) +20;
f = getField(1);
layoutChild(f, getPreferredWidthOfChild(f) ,getPreferredHeightOfChild(f));
//setPositionChild(f, Global.Display_Width -70, 25);
setPositionChild(f, Global.Display_Width -120, 30);
setExtent(maxWidth,/*temp_mgr_Height + 25*/ 70);
};
protected void paint(Graphics graphics)
{
graphics.setColor(Color.BLACK);
graphics.setFont(Global.arialFont_Bold_16);
graphics.drawText("Start Date & Time", 10, 5);
graphics.drawRect(9, 25, 141, 30);
graphics.drawRect((Global.Display_Width - 151), 25, 141, 30);
graphics.drawRect(5, 1, getWidth()-10, getHeight()-2);
super.paint(graphics);
}
};
startDateNTimeManager.add(_startDateLabelField);
startDateNTimeManager.add(_startTimeLabelField);
/**
* End Date & Time
* */
_endDateLabelField = new LabelField("")
{
protected void layout(int width, int height) {
super.layout(150, 25);
super.setExtent(150, 25);
}
public boolean isFocusable() {
return true;
}
};
_endTimeLabelField = new LabelField("")
{
protected void layout(int width, int height) {
super.layout(150, 25);
super.setExtent(150, 25);
}
public boolean isFocusable() {
// TODO Auto-generated method stub
return true;
}
};
_startDateLabelField.setFont(Global.arialFont_Plain_18);
_startTimeLabelField.setFont(Global.arialFont_Plain_18);
_endDateLabelField.setFont(Global.arialFont_Plain_18);
_endTimeLabelField.setFont(Global.arialFont_Plain_18);
HorizontalFieldManager endDateNTimeManager = new HorizontalFieldManager()
{
protected void sublayout(int maxWidth, int maxHeight)
{
super.setExtent(Global.Display_Width,/*temp_mgr_Height + 25*/ 70);
Field f = getField(0);
layoutChild(f, getPreferredWidthOfChild(f) ,getPreferredHeightOfChild(f));
setPositionChild(f, 20, 30);
temp_mgr_Height = getPreferredHeightOfChild(f) +20;
f = getField(1);
layoutChild(f, getPreferredWidthOfChild(f) ,getPreferredHeightOfChild(f));
//setPositionChild(f, Global.Display_Width -70, 25);
setPositionChild(f, Global.Display_Width -120, 30);
setExtent(Global.Display_Width,/*temp_mgr_Height + 25*/ 70);
};
protected void paint(Graphics graphics)
{
graphics.setColor(Color.BLACK);
graphics.setFont(Global.arialFont_Bold_16);
graphics.drawText("End Date & Time", 10, 5);
graphics.drawRect(9, 25, 141, 30);
graphics.drawRect((Global.Display_Width - 151), 25, 141, 30);
graphics.drawRect(5, 1, getWidth()-10, getHeight()-2);
super.paint(graphics);
}
};
endDateNTimeManager.add(_endDateLabelField);
endDateNTimeManager.add(_endTimeLabelField);
/**
* Add Components to Screen
* */
LabelField searchByLocation = new LabelField("Search by Location")
{
protected void paint(Graphics graphics)
{
graphics.setColor(Color.BLACK);
super.paint(graphics);
}
};
searchByLocation.setFont(Global.arialFont_Bold_18);
insertSearchModeManager();
_workSpace.add(hfm_0);
searchByLocation.setMargin(5, 5, 5, 10);
_workSpace.add(searchByLocation);
_workSpace.add(hfm_1);
_workSpace.add(hfm_2);
_workSpace.add(hfm_3);
LabelField selectStartDateHeader = new LabelField("Select start date & end dates to check incidents in the future");
selectStartDateHeader.setFont(Global.arialFont_Bold_16);
selectStartDateHeader.setMargin(5, 5, 5, 10);
_workSpace.add(selectStartDateHeader);
insertDateSelectionManager();
startDateNTimeManager.setMargin(10, 0, 10, 0);
_workSpace.add(startDateNTimeManager);
_workSpace.add(endDateNTimeManager);
ButtonField btn_go = new ButtonField("Go" ,FIELD_HCENTER)
{
protected boolean navigationClick(int status, int time) {
fieldChangeNotify(1);
return true;
}
};
btn_go.setMargin(10, 0, 0, 10);
_workSpace.add(btn_go);
// add(_workSpace);
btn_go.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
invokeAISearch();
}
});
/**
* Status Manager
* */
insertStatusManager();
/**
* Very First time r1 = All days should be selected
* */
/*r1.setSelected(true);
invokeDays_Calculatio();*/
}
protected void invokeAISearch()
{ }
private String getAllDates()
{
String dateString = Global.EMPTY;
return dateString;
}
private String getStartDateTime()
{
String startDateString = Global.EMPTY;
return startDateString;
}
private String getEndDateTime() {
String endDateString = Global.EMPTY;
return endDateString;
}
private String getSeverity() {
String sevString = Global.EMPTY;
return sevString;
}
private void show_AI(final Vector v_temp)
{
}
private void insertSearchModeManager() {
ch1 = new CheckboxField("Severe", true)
{
protected void layout(int width, int height) {
super.layout(getPreferredWidth(), height);
super.setExtent(getPreferredWidth(), height);
}
};
ch2 = new CheckboxField("Moderate", true)
{
protected void layout(int width, int height) {
super.layout(getPreferredWidth(), height);
super.setExtent(getPreferredWidth(), height);
}
};
ch3 = new CheckboxField("Slight", true)
{
protected void layout(int width, int height) {
super.layout(getPreferredWidth(), height);
super.setExtent(getPreferredWidth(), height);
}
};
ch1.setFont(Global.arialFont_Plain_16);
ch2.setFont(Global.arialFont_Plain_16);
ch3.setFont(Global.arialFont_Plain_16);
HorizontalFieldManager dateSelectionManager = new HorizontalFieldManager()
{
protected void sublayout(int maxWidth, int maxHeight)
{
super.sublayout(maxWidth, maxHeight);
setExtent(360, 50);
}
protected void paint(Graphics graphics)
{
graphics.setColor(Color.BLACK);
graphics.drawRect(5, 0, getWidth()-10, getHeight());
super.paint(graphics);
}
};
ch1.setMargin(0, 0, 0, 10);
ch2.setMargin(0, 0, 0, 20);
ch3.setMargin(0, 0, 0, 20);
dateSelectionManager.add(ch1);
dateSelectionManager.add(ch2);
dateSelectionManager.add(ch3);
LabelField selectStartDateHeader = new LabelField("Search by Severity");
selectStartDateHeader.setFont(Global.arialFont_Bold_16);
selectStartDateHeader.setMargin(5, 5, 5, 10);
_workSpace.add(selectStartDateHeader);
_workSpace.add(dateSelectionManager);
}
private void insertDateSelectionManager()
{
r1 = new CheckboxField( "All Dates" , true)
{
protected void layout(int width, int height) {
super.layout(getPreferredWidth(), height);
}
};
r2 = new CheckboxField("Tomorrow",false)
{
protected void layout(int width, int height) {
super.layout(getPreferredWidth(), height);
}
};
r3 = new CheckboxField("Next 7 days",false)
{
protected void layout(int width, int height) {
super.layout(getPreferredWidth(), height);
}
};
HorizontalFieldManager dateSelectionManager = new HorizontalFieldManager()
{
protected void sublayout(int maxWidth, int maxHeight)
{
super.sublayout(Global.Display_Width, 50);
setExtent(Global.Display_Width, 50);
}
protected void paint(Graphics graphics)
{
graphics.setColor(Color.BLACK);
graphics.drawRect(5, 0, getWidth()-10, getHeight());
super.paint(graphics);
}
};
r1.setFont(Global.arialFont_Plain_16);
r2.setFont(Global.arialFont_Plain_16);
r3.setFont(Global.arialFont_Plain_16);
r1.setMargin(0, 0, 0, 20);
r2.setMargin(0, 0, 0, 20);
r3.setMargin(0, 0, 0, 20);
dateSelectionManager.add(r1);
dateSelectionManager.add(r2);
dateSelectionManager.add(r3);
add(dateSelectionManager);
r1.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
if ( nonProgrammaticChange(context) )
{
invokeDays_Calculation(r1);
}
}
});
r2.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
if ( nonProgrammaticChange(context) )
{
invokeDays_Calculation(r2);
}
}
});
r3.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
if ( nonProgrammaticChange(context) )
{
invokeDays_Calculation(r3);
}
}
});
}
private boolean nonProgrammaticChange (int context) {
return (context & FieldChangeListener.PROGRAMMATIC) != FieldChangeListener.PROGRAMMATIC;
}
protected void invokeDays_Calculation(CheckboxField selectedField)
{
r1.setChecked(false);
r2.setChecked(false);
r3.setChecked(false);
if(selectedField.equals(r1))
{
togle_r1 = !togle_r1;
if(togle_r1)
{
r1.setChecked(true);
togle_r2 = false;
togle_r3 = false;
_startDateLabelField.setText("");
_startTimeLabelField.setText("");
_endDateLabelField.setText("");
_endTimeLabelField.setText("");
}
else
{
if(!togle_r1 && !togle_r2 && !togle_r3)
{
Calendar todaysDate = Calendar.getInstance();
int tDayStr = todaysDate.get(Calendar.DATE);
int tMonStr = todaysDate.get(Calendar.MONTH);
int tYearStr = todaysDate.get(Calendar.YEAR);
/**
* In Calendar class Month start form 0 thats why I incremented one time
* */
++tMonStr;
/*System.out.println("t Date "+tDayStr);
System.out.println("t Month "+tMonStr);
System.out.println("t Year "+tYearStr);*/
String startDateStr = tDayStr+"/"+tMonStr+"/"+tYearStr;
_startDateLabelField.setText(startDateStr);
_startTimeLabelField.setText("00:00");
_endDateLabelField.setText(startDateStr);
_endTimeLabelField.setText("23:59");
}
}
}
if(selectedField.equals(r2))
{
togle_r2 = !togle_r2;
if(togle_r2)
{
r2.setChecked(true);
togle_r1 = false;
togle_r3 = false;
Calendar todaysDate = Calendar.getInstance();
int tDayStr = todaysDate.get(Calendar.DATE);
int tMonStr = todaysDate.get(Calendar.MONTH);
int tYearStr = todaysDate.get(Calendar.YEAR);
++tDayStr;
/**
* In Calendar class Month start form 0 thats why I incremented one time
* */
++tMonStr;
/*System.out.println("t Date "+tDayStr);
System.out.println("t Month "+tMonStr);
System.out.println("t Year "+tYearStr);*/
String startDateStr = tDayStr+"/"+tMonStr+"/"+tYearStr;
_startDateLabelField.setText(startDateStr);
_startTimeLabelField.setText("00:00");
_endDateLabelField.setText(startDateStr);
_endTimeLabelField.setText("23:59");
}
}
if(selectedField.equals(r3))
{
togle_r3 = !togle_r3;
if(togle_r3)
{
r3.setChecked(true);
togle_r1 = false;
togle_r2 = false;
Calendar todaysDate = Calendar.getInstance();
int tDayStr = todaysDate.get(Calendar.DATE);
int tMonStr = todaysDate.get(Calendar.MONTH);
int tYearStr = todaysDate.get(Calendar.YEAR);
/**
* In Calendar class Month start form 0 thats why I incremented one time
* */
++tMonStr;
/*System.out.println("t Date "+tDayStr);
System.out.println("t Month "+tMonStr);
System.out.println("t Year "+tYearStr);*/
String startDateStr = tDayStr+"/"+tMonStr+"/"+tYearStr;
_startDateLabelField.setText(startDateStr);
_startTimeLabelField.setText("00:00");
tDayStr += 7;
startDateStr = tDayStr+"/"+tMonStr+"/"+tYearStr;
_endDateLabelField.setText(startDateStr);
_endTimeLabelField.setText("23:59");
}
}
}
public void fieldChanged(Field field, int context) {
// TODO Auto-generated method stub
}
protected void street_Invoke()
{
}
protected void postCode_Invoke() {
}
void showStreetPopUp(final String[] street_Array)
{
}
public void showCarParkingStreetPopUp(final String[] postCode_Array)
{
}
public void updateStreetField(String strVal)
{
}
public void updatePostField(String strVal) {
}
public boolean onClose()
{
setDirty(false);
return super.onClose();
}
protected void sublayout(int width, int height)
{
super.sublayout(Global.Display_Width, Global.Display_Height + 100);
super.setExtent(Global.Display_Width, Global.Display_Height + 100);
}
protected void paint(Graphics graphics)
{
// TODO Auto-generated method stub
super.paint(graphics);
}
}
注意：代码在 5.0 操作系统中运行良好，但在 6.0 和 7.0 中会产生问题。请让我知道我为什么会遇到这个问题。