黑莓手机系统电话薄导出源码

package com.wandster.ph; import java.io.DataOutputStream; import java.io.IOException; import java.util.Enumeration; import javax.microedition.io.Connector; import javax.microedition.io.file.FileConnection; import javax.microedition.pim.Contact; import javax.microedition.pim.ContactList; import javax.microedition.pim.PIM; import javax.microedition.pim.PIMException; import javax.microedition.pim.PIMItem; import net.rim.device.api.ui.Field; import net.rim.device.api.ui.FieldChangeListener; import net.rim.device.api.ui.MenuItem; import net.rim.device.api.ui.UiApplication; import net.rim.device.api.ui.component.ButtonField; import net.rim.device.api.ui.component.Dialog; import net.rim.device.api.ui.component.RichTextField; import net.rim.device.api.ui.container.MainScreen; public class Ph extends UiApplication { public static void main(String[] args) { Ph p = new Ph(); p.enterEventDispatcher(); } public Ph() { this.pushScreen(new PhScreen()); } } final class PhScreen extends MainScreen { PhScreen() { setTitle("phone number to txt"); add(new RichTextField("export phone number!", Field.NON_FOCUSABLE)); bf = new ButtonField("export", ButtonField.CONSUME_CLICK); //add event to export button BfListener bfListener = new BfListener(); bf.setChangeListener(bfListener); //添加菜单项 this.addMenuItem(viewItem); this.add(bf); } private ButtonField bf; //export button event private class BfListener implements FieldChangeListener { public void fieldChanged(Field field, int context) { if (field == bf) { Dialog.inform("this will export phone number!"); writeContact(); } } } //读取联系人信息 public void writeContact() { try { ContactList contactList = (ContactList) PIM.getInstance() .openPIMList(PIM.CONTACT_LIST, PIM.READ_ONLY); Enumeration contacts = contactList.items(); StringBuffer sb = new StringBuffer(); while (contacts.hasMoreElements()) { Contact c = (Contact) contacts.nextElement(); //联系人名 String[] nameValues = c.getStringArray(Contact.NAME, 0); String firstName = nameValues[Contact.NAME_GIVEN]; String lastName = nameValues[Contact.NAME_FAMILY]; String name = ""; if (firstName != null) name += firstName; if (lastName != null) name += lastName; //联系人电话 int phoneNumbers = c.countValues(Contact.TEL); String telNumber = ""; if (phoneNumbers > 0) { for (int i = 0; i < phoneNumbers; i++) { telNumber = c.getString(Contact.TEL, i); } } sb.append(name + " " + telNumber + "\r\n"); } writeFile(sb.toString());//输出到文件 Dialog.inform("Export complete!"); } catch (PIMException e) { // TODO Auto-generated catch block e.printStackTrace(); Dialog.inform("error! " + e.getReason()); } } /* * public void fileroot() { String root = null; Enumeration e = * FileSystemRegistry.listRoots(); while (e.hasMoreElements()) { root = * (String) e.nextElement(); if (root.equalsIgnoreCase("sdcard/")) { * writeFile("/"); } } } */ //write file to SDCard public void writeFile(String strs) { FileConnection fconn = null; try { fconn = (FileConnection) (Connector.open( "file:///SDCard/phone.txt", Connector.READ_WRITE)); if (!fconn.exists()) { fconn.create(); } DataOutputStream dos = new DataOutputStream(fconn .openOutputStream()); dos.write(strs.getBytes("utf-8")); dos.flush(); dos.close(); dos = null; fconn.close(); fconn = null; } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); String s = e.getMessage(); Dialog.inform(s); return; } } private MenuItem viewItem = new MenuItem("View Message", 100, 10) { public void run() { Dialog.inform("this is a test"); } }; public void close() { Dialog.alert("Goodbye!"); super.close(); } }