Java 如何更快地读取联系人?
我尝试制作联系人应用程序,现在我尝试读取联系人 我有450个联系人,大概需要60秒才能全部阅读 我用Contact类来做:Java 如何更快地读取联系人?,java,android,android-contacts,Java,Android,Android Contacts,我尝试制作联系人应用程序,现在我尝试读取联系人 我有450个联系人,大概需要60秒才能全部阅读 我用Contact类来做: public class Contact { String name; public ArrayList<String> PhoneNumber = new ArrayList<>(); public ArrayList<String> Email = new ArrayList<>(); int NumberOfPhone
public class Contact {
String name;
public ArrayList<String> PhoneNumber = new ArrayList<>();
public ArrayList<String> Email = new ArrayList<>();
int NumberOfPhones = 0;
int NumberOfMails = 0 ;
}
公共类联系人{
字符串名;
public ArrayList PhoneNumber=new ArrayList();
public ArrayList Email=new ArrayList();
int numberofhones=0;
int NumberOfMails=0;
}
我是这样读的:
tatic final int CODE_FOR_PERMISSION = 123;
List<Contact> ListContact = new ArrayList<Contact>();
Contact TempContact;
String TempName ="";
ArrayList<String> TempPhoneNumber = new ArrayList<>();
public ArrayList<String> TempEmail = new ArrayList<>();
int TempCounter = 0;
private ProgressDialog pDialog;
private Handler updateBarHandler;
ArrayList<String> contactList;
Cursor cursor;
int counter;
TextView textView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_contact_activity);
AskForPermission();
pDialog = new ProgressDialog(this);
pDialog.setMessage("Reading contacts...");
pDialog.setCancelable(false);
pDialog.show();
updateBarHandler = new Handler();
// Since reading contacts takes more time, let's run it on a separate thread.
new Thread(new Runnable() {
@Override
public void run() {
getContacts();
}
}).start();
//init();
//OnAction();
void init(){
textView = (TextView) findViewById(R.id.chekk);
}
void OnAction(){
TempContact.PrintToTextView(textView,ListContact);
}
public void getContacts() {
contactList = new ArrayList<String>();
String phoneNumber = null;
String email = null;
Uri CONTENT_URI = ContactsContract.Contacts.CONTENT_URI;
String _ID = ContactsContract.Contacts._ID;
String DISPLAY_NAME = ContactsContract.Contacts.DISPLAY_NAME;
String HAS_PHONE_NUMBER = ContactsContract.Contacts.HAS_PHONE_NUMBER;
Uri PhoneCONTENT_URI = ContactsContract.CommonDataKinds.Phone.CONTENT_URI;
String Phone_CONTACT_ID = ContactsContract.CommonDataKinds.Phone.CONTACT_ID;
String NUMBER = ContactsContract.CommonDataKinds.Phone.NUMBER;
Uri EmailCONTENT_URI = ContactsContract.CommonDataKinds.Email.CONTENT_URI;
String EmailCONTACT_ID = ContactsContract.CommonDataKinds.Email.CONTACT_ID;
String DATA = ContactsContract.CommonDataKinds.Email.DATA;
StringBuffer output;
ContentResolver contentResolver = getContentResolver();
cursor = contentResolver.query(CONTENT_URI, null, null, null, null);
// Iterate every contact in the phone
if (cursor.getCount() > 0) {
counter = 0;
while (cursor.moveToNext()) {
output = new StringBuffer();
// Update the progress message
updateBarHandler.post(new Runnable() {
public void run() {
pDialog.setMessage("Reading contacts : " + counter++ + "/" + cursor.getCount());
}
});
String contact_id = cursor.getString(cursor.getColumnIndex(_ID));
String name = cursor.getString(cursor.getColumnIndex(DISPLAY_NAME));
int hasPhoneNumber = Integer.parseInt(cursor.getString(cursor.getColumnIndex(HAS_PHONE_NUMBER)));
if (hasPhoneNumber > 0) {
output.append("\n First Name:" + name);
TempName = name;
//This is to read multiple phone numbers associated with the same contact
Cursor phoneCursor = contentResolver.query(PhoneCONTENT_URI, null, Phone_CONTACT_ID + " = ?", new String[]{contact_id}, null);
while (phoneCursor.moveToNext()) {
phoneNumber = phoneCursor.getString(phoneCursor.getColumnIndex(NUMBER));
output.append("\n Phone number:" + phoneNumber);
TempPhoneNumber.add(phoneNumber);
}
phoneCursor.close();
// Read every email id associated with the contact
Cursor emailCursor = contentResolver.query(EmailCONTENT_URI, null, EmailCONTACT_ID + " = ?", new String[]{contact_id}, null);
while (emailCursor.moveToNext()) {
email = emailCursor.getString(emailCursor.getColumnIndex(DATA));
TempEmail.add(email);
output.append("\n Email:" + email);
}
emailCursor.close();
String columns[] = {
ContactsContract.CommonDataKinds.Event.START_DATE,
ContactsContract.CommonDataKinds.Event.TYPE,
ContactsContract.CommonDataKinds.Event.MIMETYPE,
};
String where = ContactsContract.CommonDataKinds.Event.TYPE + "=" + ContactsContract.CommonDataKinds.Event.TYPE_BIRTHDAY +
" and " + ContactsContract.CommonDataKinds.Event.MIMETYPE + " = '" + ContactsContract.CommonDataKinds.Event.CONTENT_ITEM_TYPE + "' and " + ContactsContract.Data.CONTACT_ID + " = " + contact_id;
String[] selectionArgs = null;
String sortOrder = ContactsContract.Contacts.DISPLAY_NAME;
Cursor birthdayCur = contentResolver.query(ContactsContract.Data.CONTENT_URI, columns, where, selectionArgs, sortOrder);
Log.d("BDAY", birthdayCur.getCount()+"");
if (birthdayCur.getCount() > 0) {
while (birthdayCur.moveToNext()) {
String birthday = birthdayCur.getString(birthdayCur.getColumnIndex(ContactsContract.CommonDataKinds.Event.START_DATE));
output.append("Birthday :" + birthday);
Log.d("BDAY", birthday);
}
}
birthdayCur.close();
}
// Add the contact to the ArrayList
contactList.add(output.toString());
TempContact = new Contact(TempName,TempPhoneNumber,TempEmail);
ListContact.add(TempContact);
TempName = "";
TempPhoneNumber.clear();
TempEmail.clear();
}
// Dismiss the progressbar after 500 millisecondds
updateBarHandler.postDelayed(new Runnable() {
@Override
public void run() {
pDialog.cancel();
}
}, 5);
}
}
u权限的最终int code\u=123;
List ListContact=新建ArrayList();
接触与接触;
字符串TempName=“”;
ArrayList TempPhoneNumber=新的ArrayList();
public ArrayList TempEmail=new ArrayList();
int TempCounter=0;
私人对话;
私有处理程序updateBarHandler;
ArrayList联系人列表;
光标;
整数计数器;
文本视图文本视图;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity\u contact\u activity);
AskForPermission();
pDialog=新建进度对话框(此对话框);
pDialog.setMessage(“正在读取联系人…”);
pDialog.setCancelable(假);
pDialog.show();
updateBarHandler=新处理程序();
//因为读取联系人需要更多的时间,所以让我们在单独的线程上运行它。
新线程(newrunnable()){
@凌驾
公开募捐{
getContacts();
}
}).start();
//init();
//OnAction();
void init(){
textView=(textView)findViewById(R.id.chekk);
}
无效操作(){
PrintToTextView(textView,ListContact);
}
公共联系人(){
contactList=新的ArrayList();
字符串phoneNumber=null;
字符串email=null;
Uri CONTENT\u Uri=Contacts contract.Contacts.CONTENT\u Uri;
String _ID=Contacts contact.Contacts.\u ID;
String DISPLAY\u NAME=Contacts contract.Contacts.DISPLAY\u NAME;
字符串HAS\u PHONE\u NUMBER=Contacts contract.Contacts.HAS\u PHONE\u NUMBER;
Uri PhoneCONTENT\u Uri=ContactsContract.CommonDataTypes.Phone.CONTENT\u Uri;
字符串Phone\u CONTACT\u ID=contacts contract.commondatatypes.Phone.CONTACT\u ID;
字符串编号=contacts contract.commonDataTypes.Phone.NUMBER;
Uri EmailCONTENT\u Uri=ContactsContract.CommonDataTypes.Email.CONTENT\u Uri;
字符串EmailCONTACT_ID=contacts contract.commondatatypes.Email.CONTACT_ID;
字符串数据=ContactsContract.CommonDataTypes.Email.DATA;
字符串缓冲输出;
ContentResolver ContentResolver=getContentResolver();
cursor=contentResolver.query(CONTENT\u URI,null,null,null);
//迭代电话中的每个联系人
if(cursor.getCount()>0){
计数器=0;
while(cursor.moveToNext()){
输出=新的StringBuffer();
//更新进度消息
updateBarHandler.post(新的Runnable(){
公开募捐{
pDialog.setMessage(“正在读取联系人:“+counter++++”/“+cursor.getCount()”);
}
});
String contact_id=cursor.getString(cursor.getColumnIndex(_id));
字符串名称=cursor.getString(cursor.getColumnIndex(DISPLAY_name));
int hasPhoneNumber=Integer.parseInt(cursor.getString(cursor.getColumnIndex(HAS_PHONE_NUMBER));
如果(hasPhoneNumber>0){
output.append(“\n名字:“+Name”);
TempName=name;
//这是为了读取与同一联系人关联的多个电话号码
游标phoneCursor=contentResolver.query(PhoneCONTENT\u URI,null,Phone\u CONTACT\u ID+“=?”,新字符串[]{CONTACT\u ID},null);
while(phoneCursor.moveToNext()){
phoneNumber=phoneCursor.getString(phoneCursor.getColumnIndex(NUMBER));
输出。追加(“\n电话号码:“+phoneNumber”);
添加(电话号码);
}
phoneCursor.close();
//阅读与联系人关联的每个电子邮件id
Cursor emailCursor=contentResolver.query(EmailCONTENT_URI,null,EmailCONTACT_ID+“=?”,新字符串[]{contact_ID},null);
while(emailCursor.moveToNext()){
email=emailCursor.getString(emailCursor.getColumnIndex(数据));
TempEmail.add(电子邮件);
输出。追加(“\n电子邮件:“+电子邮件”);
}
emailCursor.close();
字符串列[]={
ContactsContract.CommonDataTypes.Event.START\u日期,
ContactsContract.CommonDataTypes.Event.TYPE,
ContactsContract.CommonDataTypes.Event.MIMETYPE,
};
字符串,其中=ContactsContract.CommonDataTypes.Event.TYPE+“=”+ContactsContract.CommonDataTypes.Event.TYPE\u+
和“+ContactsContract.CommonDataTypes.Event.MimetType+”=“+ContactsContract.CommonDataTypes.Event.CONTENT\u ITEM\u TYPE+”和“+ContactsContract.Data.CONTACT\u ID+”=“+CONTACT\u ID”;
字符串[]selectionArgs=null;
字符串排序器=Contacts contract.Contacts.DISPLAY\u NAME;
Cursor birthdayCur=contentResolver.query(contacts contract.Data.CONTENT_URI,columns,where,selectionArgs,sortOrder);
Log.d(“BDAY”,birthdayCur.getCount()+”);
如果(birthdayCur.getCount()>0){
while(birthdayCur.moveToNext()){
String birthday=birthdayCur.getString(birthdayCur.getColumnIndex(ContactsContract.CommonDataTypes.Event.START_DATE));
输出.追加(“生日:+生日”);
Log.d(“B日”,生日);
}
}
生日cur.close();
}
//将联系人添加到ArrayList
contactList.add(output.toString());
TempContact=新联系人(TempName、TempPhoneNumber、TempEmail);
利斯