以下是我的应用程序代码。我想在这个月的每个月6日在我的黑莓手机上响铃，无论这个应用程序是否正在运行。请详细指导我，我是初学者。
import net.rim.device.api.ui.*;
import net.rim.device.api.ui.component.*;
import net.rim.device.api.ui.container.*;
import net.rim.device.api.system.*;
import net.rim.device.api.util.*;
import java.util.*;
import java.lang.String.*;
public class ListChk extends UiApplication
{
String getFirstName;
String getLastName;
String getEmail;
String getGender;
String getStatus;
String getCompany;
/*declaring text fields for user input*/
private AutoTextEditField firstName;
private AutoTextEditField lastName;
private AutoTextEditField company;
private EmailAddressEditField email;
/*declaring choice field for user input*/
private ObjectChoiceField gender;
/*declaring check box field for user input*/
private CheckboxField status;
//Declaring button fields
private ButtonField save;
private ButtonField close;
private ButtonField List;
private ButtonField search;
/*declaring vector*/
private static Vector _data;
/*declaring persistent object*/
private static PersistentObject store;
/*creating an entry point*/
public static void main(String[] args)
{
ListChk objListChk = new ListChk();
objListChk.enterEventDispatcher();
}//end of main of ListChk
public ListChk()
{
/*Creating an object of the main screen class to use its functionalities*/
MainScreen mainScreen = new MainScreen();
//setting title of the main screen
mainScreen.setTitle(new LabelField("Enter Your Data"));
//creating text fields for user input
firstName = new AutoTextEditField("First Name: ", "");
lastName= new AutoTextEditField("Last Name: ", "");
email= new EmailAddressEditField("Email:: ", "");
company = new AutoTextEditField("Company: ", "");
//creating choice field for user input
String [] items = {"Male","Female"};
gender= new ObjectChoiceField("Gender",items);
//creating Check box field
status = new CheckboxField("Active",true);
//creating Button fields and adding functionality using listeners
// A button that saves the the user data persistently when it is clicked
save = new ButtonField("Save",ButtonField.CONSUME_CLICK);
save.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
save();
}
});
// a button which closes the entire application when clicked
close = new ButtonField("Close",ButtonField.CONSUME_CLICK);
close.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
onClose();
}
});
// A button that shows the List of all Data being stored persistently
List = new ButtonField("List",ButtonField.CONSUME_CLICK);
List.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context){
// pushing the next screen
pushScreen(new ListScreen());
}
});
search = new ButtonField("Search",ButtonField.CONSUME_CLICK);
search.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
pushScreen(new SearchScreen());
}
});
//adding the input fields to the main screen
mainScreen.add(firstName);
mainScreen.add(lastName);
mainScreen.add(email);
mainScreen.add(company);
mainScreen.add(gender);
mainScreen.add(status);
// Addning horizontal field manager
HorizontalFieldManager horizontal = new HorizontalFieldManager(HorizontalFieldManager.FIELD_HCENTER);
//adding buttons to the main screen in Horizontal field manager
horizontal.add(close);
horizontal.add(save);
horizontal.add(List);
horizontal.add(search);
//Adding the horizontal field manger to the screen
mainScreen.add(horizontal);
//adding menu items
mainScreen.addMenuItem(saveItem);
mainScreen.addMenuItem(getItem);
mainScreen.addMenuItem(Deleteall);
//pushing the main screen
pushScreen(mainScreen);
}
private MenuItem Deleteall = new MenuItem("Delete all",110,10)
{
public void run()
{
int response = Dialog.ask(Dialog.D_YES_NO,"Are u sure u want to delete entire Database");
if(Dialog.YES == response){
PersistentStore.destroyPersistentObject(0xdec6a67096f833cL);
Dialog.alert("Closing Application");
onClose();
}
else
Dialog.inform("Thank God");
}
};
//adding functionality to menu item "saveItem"
private MenuItem saveItem = new MenuItem("Save", 110, 10)
{
public void run()
{
//Calling save method
save();
}
};
//adding functionality to menu item "saveItem"
private MenuItem getItem = new MenuItem("Get", 110, 11)
{
//running thread for this menu item
public void run()
{
//synchronizing thread
synchronized (store)
{
//getting contents of the persistent object
_data = (Vector) store.getContents();
try{
for (int i = _data.size()-1; i >-1; i--)
{
StoreInfo info = (StoreInfo)_data.elementAt(i);
//checking for empty object
if (!_data.isEmpty())
{
//if not empty
//create a new object of Store Info class
//storing information retrieved in strings
getFirstName = (info.getElement(StoreInfo.NAME));
getLastName = (info.getElement(StoreInfo.LastNAME));
getEmail = (info.getElement(StoreInfo.EMail));
getGender = (info.getElement(StoreInfo.GenDer));
getStatus = (info.getElement(StoreInfo.setStatus));
getCompany = (info.getElement(StoreInfo.setCompany));
//calling the show method
show();
}
}
}
catch(Exception e){}
}
}
};
public void save()
{
//creating an object of inner class StoreInfo
StoreInfo info = new StoreInfo();
//getting the test entered in the input fields
info.setElement(StoreInfo.NAME, firstName.getText());
info.setElement(StoreInfo.LastNAME,lastName.getText());
info.setElement(StoreInfo.EMail, email.getText());
info.setElement(StoreInfo.setCompany, company.getText());
info.setElement(StoreInfo.GenDer,gender.toString());
if(status.getChecked())
info.setElement(StoreInfo.setStatus, "Active");
else
info.setElement(StoreInfo.setStatus, "In Active");
//adding the object to the end of the vector
_data.addElement(info);
//synchronizing the thread
synchronized (store)
{
store.setContents(_data);
store.commit();
}
//resetting the input fields
Dialog.inform("Success!");
firstName.setText(null);
lastName.setText(null);
email.setText("");
company.setText(null);
gender.setSelectedIndex("Male");
status.setChecked(true);
}
//coding for persistent store
static {
store =
PersistentStore.getPersistentObject(0xdec6a67096f833cL);
synchronized (store) {
if (store.getContents() == null) {
store.setContents(new Vector());
store.commit();
}
}
_data = new Vector();
_data = (Vector) store.getContents();
}
//new class store info implementing persistable
private static final class StoreInfo implements Persistable
{
//declaring variables
private Vector _elements;
public static final int NAME = 0;
public static final int LastNAME = 1;
public static final int EMail= 2;
public static final int GenDer = 3;
public static final int setStatus = 4;
public static final int setCompany = 5;
public StoreInfo()
{
_elements = new Vector(6);
for (int i = 0; i < _elements.capacity(); ++i)
{
_elements.addElement(new String(""));
}
}
public String getElement(int id)
{
return (String) _elements.elementAt(id);
}
public void setElement(int id, String value)
{
_elements.setElementAt(value, id);
}
}
//details for show method
public void show()
{
Dialog.alert("Name is "+getFirstName+" "+getLastName+"\nGender is "+getGender+"\nE-mail: "+getEmail+"\nStatus is "+getStatus);
}
public void list()
{
Dialog.alert("haha");
}
//creating save method
//overriding onClose method
public boolean onClose()
{
System.exit(0);
return true;
}
class ListScreen extends MainScreen
{
String getUserFirstName;
String getUserLastName;
String getUserEmail;
String getUserGender;
String getUserStatus;
String getUserCompany;
String[] setData ;
String getData = new String();
String collectData = "";
ObjectListField fldList;
int counter = 0;
private ButtonField btnBack;
public ListScreen()
{
setTitle(new LabelField("Showing Data",LabelField.NON_FOCUSABLE));
//getData = myList();
//Dialog.alert(getData);
// setData = split(getData,"$");
// for(int i = 0;i<setData.length;i++)
// {
// add(new RichTextField(setData[i]+"@@@@@"));
// }
showList();
btnBack = new ButtonField("Back",ButtonField.CONSUME_CLICK|ButtonField.FIELD_HCENTER);
btnBack.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field,int context)
{
UiApplication.getUiApplication().popScreen(getScreen());
}
});
add(btnBack);
}
public void showList()
{
HorizontalFieldManager hfManager = new HorizontalFieldManager(HorizontalFieldManager.HORIZONTAL_SCROLLBAR|HorizontalFieldManager.HORIZONTAL_SCROLL);
//SeparatorField spManager = new SeparatorField();
LabelField lblcheck = new LabelField("check",LabelField.NON_FOCUSABLE);
getData = myList();
setData = split(getData,"$");
fldList = new ObjectListField(ObjectListField.MULTI_SELECT);
fldList.set(setData);
//fldList.setEmptyString("heloo", 12);
//hfManager.add(lblcheck);
hfManager.add(fldList);
//hfManager.add(spManager);
add(hfManager);
addMenuItem(new MenuItem("Select", 100, 1) {
public void run() {
int selectedIndex = fldList.getSelectedIndex();
String item = (String)fldList.get(fldList, selectedIndex);
pushScreen(new ShowDataScreen(item));
}
});
}
public String[] split(String inString, String delimeter) {
String[] retAr;
try {
Vector vec = new Vector();
int indexA = 0;
int indexB = inString.indexOf(delimeter);
while (indexB != -1) {
vec.addElement(new String(inString.substring(indexA, indexB)));
indexA = indexB + delimeter.length();
indexB = inString.indexOf(delimeter, indexA);
}
vec.addElement(new String(inString.substring(indexA, inString
.length())));
retAr = new String[vec.size()];
for (int i = 0; i < vec.size(); i++) {
retAr[i] = vec.elementAt(i).toString();
}
} catch (Exception e) {
String[] ar = { e.toString() };
return ar;
}
return retAr;
}//end of Split Method
public String myList()
{
_data = (Vector) store.getContents();
try
{
for (int i = _data.size()-1; i >-1; i--,counter++)
{
StoreInfo info = (StoreInfo)_data.elementAt(i);
//checking for empty object
if (!_data.isEmpty())
{
//if not empty
//create a new object of Store Info class
//storing information retrieved in strings
//StoreInfo info = (StoreInfo)_data.lastElement();
getUserFirstName = (info.getElement(StoreInfo.NAME));
getUserLastName = (info.getElement(StoreInfo.LastNAME));
//getUserEmail = (info.getElement(StoreInfo.EMail));
//getUserGender = (info.getElement(StoreInfo.GenDer));
//getUserStatus = (info.getElement(StoreInfo.setStatus));
getUserCompany = (info.getElement(StoreInfo.setCompany));
collectData = collectData + getUserFirstName+" "+getUserLastName+" "+getUserCompany+ "$";
}
}
}
catch(Exception e){}
return collectData;
}//end of myList method
public boolean onClose()
{
System.exit(0);
return true;
}
}//end of class ListScreen
class ShowDataScreen extends MainScreen
{
String getFirstName;
String getLastName;
String getCompany;
String getEmail;
String getGender;
String getStatus;
String[] getData;
public ShowDataScreen(String data)
{
getData = split(data," ");
getFirstName = getData[0];
getLastName = getData[1];
getCompany = getData[2];
_data = (Vector) store.getContents();
try
{
for (int i = _data.size()-1; i >-1; i--)
{
StoreInfo info = (StoreInfo)_data.elementAt(i);
if (!_data.isEmpty())
{
if((getFirstName.equalsIgnoreCase(info.getElement(StoreInfo.NAME))) && (getLastName.equalsIgnoreCase(info.getElement(StoreInfo.LastNAME))) && (getCompany.equalsIgnoreCase(info.getElement(StoreInfo.setCompany))))
{
getEmail = info.getElement(StoreInfo.EMail);
getGender = info.getElement(StoreInfo.GenDer);
getStatus = info.getElement(StoreInfo.setStatus);
HorizontalFieldManager hfManager = new HorizontalFieldManager(HorizontalFieldManager.NON_FOCUSABLE);
AutoTextEditField name = new AutoTextEditField("Name: ",getFirstName+" "+getLastName);
AutoTextEditField email = new AutoTextEditField("Email: ",getEmail);
AutoTextEditField company = new AutoTextEditField("Company: ",getCompany);
AutoTextEditField Gender = new AutoTextEditField("Gender: ",getGender);
AutoTextEditField status = new AutoTextEditField("Status: ",getStatus);
add(name);
add(email);
add(company);
add(Gender);
add(status);
}
}
}//end of for loop
}//end of try
catch(Exception e){}
//Dialog.alert("fname is "+getFirstName+"\nlastname = "+getLastName+" company is "+getCompany);
}
public String[] split(String inString, String delimeter) {
String[] retAr;
try {
Vector vec = new Vector();
int indexA = 0;
int indexB = inString.indexOf(delimeter);
while (indexB != -1) {
vec.addElement(new String(inString.substring(indexA, indexB)));
indexA = indexB + delimeter.length();
indexB = inString.indexOf(delimeter, indexA);
}
vec.addElement(new String(inString.substring(indexA, inString
.length())));
retAr = new String[vec.size()];
for (int i = 0; i < vec.size(); i++) {
retAr[i] = vec.elementAt(i).toString();
}
} catch (Exception e) {
String[] ar = { e.toString() };
return ar;
}
return retAr;
}//end of Split Method
}
class SearchScreen extends MainScreen
{
private ButtonField btnFirstName;
private ButtonField btnLastName;
private ButtonField btnSearch;
private ButtonField btnEmail;
private SeparatorField sp;
String userName;
HorizontalFieldManager hr = new HorizontalFieldManager();
public AutoTextEditField searchField;
public SearchScreen()
{
sp = new SeparatorField();
setTitle(new LabelField("your Search Options"));
add(new RichTextField("Search by : "));
btnFirstName = new ButtonField("First Name",ButtonField.CONSUME_CLICK);
hr.add(btnFirstName);
btnFirstName.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
//HorizontalFieldManager hrs = new HorizontalFieldManager();
searchField = new AutoTextEditField("First Name: ","ali");
add(searchField);
btnSearch = new ButtonField("Search",ButtonField.CONSUME_CLICK);
btnSearch.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
//Dialog.alert(searchField.getText());
pushScreen(new FirstnameScreen(searchField.getText()));
//FirstnameScreen obj = new FirstnameScreen();
//obj.name= searchField.getText();
}
});
add(btnSearch);
//hrs.add(sp);
}
});
btnLastName = new ButtonField("Last Name",ButtonField.CONSUME_CLICK);
hr.add(btnLastName);
btnLastName.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int Context)
{
searchField = new AutoTextEditField("Last Name: ","");
add(searchField);
btnSearch = new ButtonField("Search",ButtonField.CONSUME_CLICK);
btnSearch.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
//Dialog.alert(searchField.getText());
pushScreen(new LastnameScreen(searchField.getText()));
//FirstnameScreen obj = new FirstnameScreen();
//obj.name= searchField.getText();
}
});
add(btnSearch);
}
});
btnEmail = new ButtonField("Email",ButtonField.CONSUME_CLICK);
hr.add(btnEmail);
btnEmail.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int Context)
{
searchField = new AutoTextEditField("Email: ","");
add(searchField);
btnSearch = new ButtonField("Search",ButtonField.CONSUME_CLICK);
btnSearch.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
//Dialog.alert(searchField.getText());
pushScreen(new EmailScreen(searchField.getText()));
//FirstnameScreen obj = new FirstnameScreen();
//obj.name= searchField.getText();
}
});
add(btnSearch);
}
});
add(hr);
}
void myShow()
{
Dialog.alert(searchField.getText());
}
}
class FirstnameScreen extends MainScreen
{
String userName;
private Manager mGrid;
String firstUserName;
String lastUserName;
String userEmail;
String userGender;
String userStatus;
ButtonField btnBack;
Font font;
public FirstnameScreen(String name)
{
setTitle(new LabelField("your Search Results"));
add(new RichTextField("Search results for"+name));
userName = name;
searchFirstName();
btnBack = new ButtonField("Back",ButtonField.CONSUME_CLICK);
btnBack.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
UiApplication.getUiApplication().popScreen(getScreen());
}
});
add(btnBack);
}
public void searchFirstName()
{
ButtonField btnDelete;
if (null != mGrid && null != mGrid.getManager())
mGrid.getManager().delete(mGrid);
int colWidth = net.rim.device.api.system.Display.getWidth() / 4;
mGrid = new GridFieldManager(new int[] { 0, colWidth, colWidth,
colWidth, colWidth }, VERTICAL_SCROLL | VERTICAL_SCROLLBAR);
mGrid.add(new NullField(FOCUSABLE));
mGrid.add(new LabelField("Name"));
mGrid.add(new LabelField("E-Mail"));
mGrid.add(new LabelField("Gender"));
mGrid.add(new LabelField("Active"));
//mGrid.add(new ButtonField("Delete"));
//SeparatorField sps = new SeparatorField();
//mGrid.add(sps);
add(mGrid);
_data = (Vector) store.getContents();
try {
for (int i = _data.size() - 1; i > -1; i--) {
StoreInfo info = (StoreInfo) _data.elementAt(i);
// checking for empty object
if (!_data.isEmpty()) {
firstUserName = (info.getElement(StoreInfo.NAME));
if(firstUserName.equalsIgnoreCase(userName))
{
// if not empty
// create a new object of Store Info class
// stored information retrieved in strings
lastUserName = (info.getElement(StoreInfo.LastNAME));
userEmail = (info.getElement(StoreInfo.EMail));
userGender = (info.getElement(StoreInfo.GenDer));
userStatus = (info.getElement(StoreInfo.setStatus));
final int sn = i;
// calling the listAll method
mGrid.add(new NullField(FOCUSABLE));
mGrid.add(new LabelField(firstUserName + " "
+ lastUserName));
mGrid.add(new LabelField(userEmail));
mGrid.add(new LabelField(userGender));
mGrid.add(new LabelField(userStatus));
btnDelete = new ButtonField("Delete",ButtonField.CONSUME_CLICK);
btnDelete.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
_data.removeElementAt(sn);
}
});
add(btnDelete);
// SeparatorField sps1 = new SeparatorField();
//mGrid.add(sps1);
}
}
}
} catch (Exception e) {
}
}
}
class LastnameScreen extends MainScreen
{
String userName;
private Manager mGrid;
String firstUserName;
String lastUserName;
String userEmail;
String userGender;
String userStatus;
ButtonField btnBack;
Font font;
public LastnameScreen(String name)
{
setTitle(new LabelField("your Search Results"));
add(new RichTextField("Search results for"+name));
userName = name;
searchLastName();
btnBack = new ButtonField("Back",ButtonField.CONSUME_CLICK);
btnBack.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
UiApplication.getUiApplication().popScreen(getScreen());
}
});
add(btnBack);
}
public void searchLastName()
{
ButtonField btnDelete;
if (null != mGrid && null != mGrid.getManager())
mGrid.getManager().delete(mGrid);
int colWidth = net.rim.device.api.system.Display.getWidth() / 4;
mGrid = new GridFieldManager(new int[] { 0, colWidth, colWidth,
colWidth, colWidth }, VERTICAL_SCROLL | VERTICAL_SCROLLBAR);
mGrid.add(new NullField(FOCUSABLE));
mGrid.add(new LabelField("Name"));
mGrid.add(new LabelField("E-Mail"));
mGrid.add(new LabelField("Gender"));
mGrid.add(new LabelField("Active"));
//mGrid.add(new ButtonField("Delete"));
//SeparatorField sps = new SeparatorField();
//mGrid.add(sps);
add(mGrid);
_data = (Vector) store.getContents();
try {
for (int i = _data.size() - 1; i > -1; i--) {
StoreInfo info = (StoreInfo) _data.elementAt(i);
// checking for empty object
if (!_data.isEmpty()) {
lastUserName = (info.getElement(StoreInfo.LastNAME));
if(lastUserName.equalsIgnoreCase(userName))
{
// if not empty
// create a new object of Store Info class
// stored information retrieved in strings
firstUserName = (info.getElement(StoreInfo.NAME));
userEmail = (info.getElement(StoreInfo.EMail));
userGender = (info.getElement(StoreInfo.GenDer));
userStatus = (info.getElement(StoreInfo.setStatus));
final int sn = i;
// calling the listAll method
mGrid.add(new NullField(FOCUSABLE));
mGrid.add(new LabelField(firstUserName + " "
+ lastUserName));
mGrid.add(new LabelField(userEmail));
mGrid.add(new LabelField(userGender));
mGrid.add(new LabelField(userStatus));
btnDelete = new ButtonField("Delete",ButtonField.CONSUME_CLICK);
btnDelete.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
_data.removeElementAt(sn);
}
});
add(btnDelete);
// SeparatorField sps1 = new SeparatorField();
//mGrid.add(sps1);
}
}
}
} catch (Exception e) {
}
}
}
class EmailScreen extends MainScreen
{
String userName;
private Manager mGrid;
String firstUserName;
String lastUserName;
String userEmail;
String userGender;
String userStatus;
ButtonField btnBack;
Font font;
public EmailScreen(String mail)
{
setTitle(new LabelField("your Search Results"));
add(new RichTextField("Search results for"+mail));
userName = mail;
searchEmail();
btnBack = new ButtonField("Back",ButtonField.CONSUME_CLICK);
btnBa
答案 0 :(得分：0)
与内置警报应用程序集成有什么好处？您的应用程序在设备日历中放置事件并使事件显示提醒会更好吗？
如果你必须有一个更突出的警报，为什么不自己做？警报是电话执行的操作（发出声音和/或振动），在屏幕上显示为什么采取该操作，当有人响应时，操作停止。
你可以制作一个在后台开始的应用程序，检查当天，并在当天发出声音/振动吗？
手机上的默认闹钟应用只支持一次响铃。如果我把它设置为凌晨4点叫醒我，但是你的应用程序在我的手机上重新安排闹钟上午8点，你会立即失去一个客户（我太迟醒了4个小时后）。