我想至少使用一个电话号码获取所有联系人,我还想要每个联系人的所有电话号码和所有电子邮件。
当前代码:
// To get All Contacts having atleast one phone number.
Uri uri = ContactsContract.Contacts.CONTENT_URI;
String selection = ContactsContract.Contacts.HAS_PHONE_NUMBER + " > ?";
String[] selectionArgs = new String[] {"0"};
Cursor cu = applicationContext.getContentResolver().query(uri,
null, selection, selectionArgs, null);
// For getting All Phone Numbers and Emails further queries :
while(cu.moveToNext()){
String id = cu.getString(cu.getColumnIndex(ContactsContract.Contacts._ID));
// To get Phone Numbers of Contact
Cursor pCur = context.getContentResolver().query(
ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null,ContactsContract.CommonDataKinds.Phone.CONTACT_ID + "=?",
new String[]{id}, null);
// To get Email ids of Contact
Cursor emailCur = context.getContentResolver().query(
ContactsContract.CommonDataKinds.Email.CONTENT_URI, null,
ContactsContract.CommonDataKinds.Email.CONTACT_ID + " = ?",
new String[]{id}, null);
// Iterate through these cursors to get Phone numbers and Emails
}
如果我的设备中有超过 1000 个联系人,则需要花费太多时间。如何在单个查询中获取所有数据,而不是为每个联系人执行两次额外的查询?
或者还有其他优化方法吗?
提前谢谢您。
ICS:当您从
Data.CONTENT_URI
查询时,关联的 Contact
中的所有行都已加入 - 即这将起作用:
Java:
ContentResolver resolver = getContentResolver();
Cursor c = resolver.query(
Data.CONTENT_URI,
null,
Data.HAS_PHONE_NUMBER + "!=0 AND (" + Data.MIMETYPE + "=? OR " + Data.MIMETYPE + "=?)",
new String[]{Email.CONTENT_ITEM_TYPE, Phone.CONTENT_ITEM_TYPE},
Data.CONTACT_ID);
while (c.moveToNext()) {
long id = c.getLong(c.getColumnIndex(Data.CONTACT_ID));
String name = c.getString(c.getColumnIndex(Data.DISPLAY_NAME));
String data1 = c.getString(c.getColumnIndex(Data.DATA1));
System.out.println(id + ", name=" + name + ", data1=" + data1);
}
科特林:
var c : Cursor? = null
try {
val resolver : ContentResolver = this.contentResolver //Replace "this" With Whatever The Reference To Your Activity Is (If Need Be)
c = resolver.query(
ContactsContract.Data.CONTENT_URI,
null,
ContactsContract.Data.HAS_PHONE_NUMBER + "!=0 AND (" + ContactsContract.Data.MIMETYPE + "=? OR " + ContactsContract.Data.MIMETYPE + "=?)",
arrayOf(ContactsContract.CommonDataKinds.Email.CONTENT_ITEM_TYPE, ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE),
ContactsContract.Data.CONTACT_ID)
if (c!!.count > 0) {
while (c.moveToNext()) {
val id : Long = c.getLong(c.getColumnIndex(ContactsContract.Data.CONTACT_ID))
val name : String = c.getString(c.getColumnIndex(ContactsContract.Data.DISPLAY_NAME))
val data1 : String = c.getString(c.getColumnIndex(ContactsContract.Data.DATA1))
Log.d("Tag", "$id) name=$name, data1=$data1")
}
}
} finally {
c!!.close()
}
如果您的目标是 2.3,则需要考虑以下事实:
HAS_PHONE_NUMBER
无法通过查询 Data
时使用的联接来使用。
有趣。
例如,可以通过跳过联系人必须有电话号码的要求来解决,而是选择“至少有电话号码或电子邮件地址的任何联系人”:
Cursor c = resolver.query(
Data.CONTENT_URI,
null,
Data.MIMETYPE + "=? OR " + Data.MIMETYPE + "=?",
new String[]{Email.CONTENT_ITEM_TYPE, Phone.CONTENT_ITEM_TYPE},
Data.CONTACT_ID);
如果这不是一个选项,你总是可以进行可怕的hacky子选择:
Cursor c = resolver.query(
Data.CONTENT_URI,
null,
"(" + Data.MIMETYPE + "=? OR " + Data.MIMETYPE + "=?) AND " +
Data.CONTACT_ID + " IN (SELECT " + Contacts._ID + " FROM contacts WHERE " + Contacts.HAS_PHONE_NUMBER + "!=0)",
new String[]{Email.CONTENT_ITEM_TYPE, Phone.CONTENT_ITEM_TYPE}, Data.CONTACT_ID);
或使用 two
Cursor
s: 解决它
Cursor contacts = resolver.query(Contacts.CONTENT_URI,
null, Contacts.HAS_PHONE_NUMBER + " != 0", null, Contacts._ID + " ASC");
Cursor data = resolver.query(Data.CONTENT_URI, null,
Data.MIMETYPE + "=? OR " + Data.MIMETYPE + "=?",
new String[]{Email.CONTENT_ITEM_TYPE, Phone.CONTENT_ITEM_TYPE},
Data.CONTACT_ID + " ASC");
int idIndex = contacts.getColumnIndexOrThrow(Contacts._ID);
int nameIndex = contacts.getColumnIndexOrThrow(Contacts.DISPLAY_NAME);
int cidIndex = data.getColumnIndexOrThrow(Data.CONTACT_ID);
int data1Index = data.getColumnIndexOrThrow(Data.DATA1);
boolean hasData = data.moveToNext();
while (contacts.moveToNext()) {
long id = contacts.getLong(idIndex);
System.out.println("Contact(" + id + "): " + contacts.getString(nameIndex));
if (hasData) {
long cid = data.getLong(cidIndex);
while (cid <= id && hasData) {
if (cid == id) {
System.out.println("\t(" + cid + "/" + id + ").data1:" +
data.getString(data1Index));
}
hasData = data.moveToNext();
if (hasData) {
cid = data.getLong(cidIndex);
}
}
}
}
我遇到了完全相同的问题。从那时起,我构建了自己的解决方案,该解决方案受到这篇文章的启发,但又有点不同。现在我想将其作为我的第一个 StackOverFlow 答案来分享:-)
它与 Jens 建议的双光标方法非常相似。这个想法是
1- 从联系人表中获取相关联系人
2-获取相关联系人信息(邮件、电话...)
3-合并这些结果
“相关”当然取决于你,但重要的是性能! 此外,我确信使用合适的 SQL 查询的其他解决方案也可以完成这项工作,但在这里我只想使用 Android ContentProvider 这是代码:
public static String CONTACT_ID_URI = ContactsContract.Contacts._ID;
public static String DATA_CONTACT_ID_URI = ContactsContract.Data.CONTACT_ID;
public static String MIMETYPE_URI = ContactsContract.Data.MIMETYPE;
public static String EMAIL_URI = ContactsContract.CommonDataKinds.Email.DATA;
public static String PHONE_URI = ContactsContract.CommonDataKinds.Phone.DATA;
public static String NAME_URI = (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) ? ContactsContract.Data.DISPLAY_NAME_PRIMARY : ContactsContract.Data.DISPLAY_NAME;
public static String PICTURE_URI = (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) ? ContactsContract.Contacts.PHOTO_THUMBNAIL_URI : ContactsContract.Contacts.PHOTO_ID;
public static String MAIL_TYPE = ContactsContract.CommonDataKinds.Email.CONTENT_ITEM_TYPE;
public static String PHONE_TYPE = ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE;
这里我要求联系人的DISPLAY_NAME必须不含“@”,并且他们的信息与给定的字符串匹配(这些要求当然可以修改)。以下方法的结果是第一个光标:
public Cursor getContactCursor(String stringQuery, String sortOrder) {
Logger.i(TAG, "+++++++++++++++++++++++++++++++++++++++++++++++++++");
Logger.e(TAG, "ContactCursor search has started...");
Long t0 = System.currentTimeMillis();
Uri CONTENT_URI;
if (stringQuery == null)
CONTENT_URI = ContactsContract.Contacts.CONTENT_URI;
else
CONTENT_URI = Uri.withAppendedPath(ContactsContract.Contacts.CONTENT_FILTER_URI, Uri.encode(stringQuery));
String[] PROJECTION = new String[]{
CONTACT_ID_URI,
NAME_URI,
PICTURE_URI
};
String SELECTION = NAME_URI + " NOT LIKE ?";
String[] SELECTION_ARGS = new String[]{"%" + "@" + "%"};
Cursor cursor = sContext.getContentResolver().query(CONTENT_URI, PROJECTION, SELECTION, SELECTION_ARGS, sortOrder);
Long t1 = System.currentTimeMillis();
Logger.e(TAG, "ContactCursor finished in " + (t1 - t0) / 1000 + " secs");
Logger.e(TAG, "ContactCursor found " + cursor.getCount() + " contacts");
Logger.i(TAG, "+++++++++++++++++++++++++++++++++++++++++++++++++++");
return cursor;
}
正如您所见,这个查询的性能非常好!
现在让我们获取联系信息。此时,我不在已获取的联系人和检索到的信息之间建立任何链接:我只是从数据表中获取所有信息...但是,为了避免无用的信息,我仍然要求 DISPLAY_NAMES 不含“@”,因为我'我对电子邮件和电话感兴趣,我要求数据 MIMETYPE 为 MAIL_TYPE 或 PHONE_TYPE(请参阅常量)。这是代码:
public Cursor getContactDetailsCursor() {
Logger.i(TAG, "+++++++++++++++++++++++++++++++++++++++++++++++++++");
Logger.e(TAG, "ContactDetailsCursor search has started...");
Long t0 = System.currentTimeMillis();
String[] PROJECTION = new String[]{
DATA_CONTACT_ID_URI,
MIMETYPE_URI,
EMAIL_URI,
PHONE_URI
};
String SELECTION = ContactManager.NAME_URI + " NOT LIKE ?" + " AND " + "(" + MIMETYPE_URI + "=? " + " OR " + MIMETYPE_URI + "=? " + ")";
String[] SELECTION_ARGS = new String[]{"%" + "@" + "%", ContactsContract.CommonDataKinds.Email.CONTENT_ITEM_TYPE, ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE};
Cursor cursor = sContext.getContentResolver().query(
ContactsContract.Data.CONTENT_URI,
PROJECTION,
SELECTION,
SELECTION_ARGS,
null);
Long t1 = System.currentTimeMillis();
Logger.e(TAG, "ContactDetailsCursor finished in " + (t1 - t0) / 1000 + " secs");
Logger.e(TAG, "ContactDetailsCursor found " + cursor.getCount() + " contacts");
Logger.i(TAG, "+++++++++++++++++++++++++++++++++++++++++++++++++++");
return cursor;
}
您将再次看到这个查询非常快...
现在让我们合并联系人及其各自的信息。这个想法是使用 HashMap(Key, String),其中 Key 是联系人 ID,String 是您喜欢的任何内容(姓名、电子邮件等)。
首先,我运行联系人光标(按字母顺序排列)并将名称和图片 uri 存储在两个不同的 HashMap 中。另请注意,我将所有联系人 ID 存储在列表中,其顺序与联系人在光标中出现的顺序完全相同。我们将此列表称为 contactListId
我对联系信息(邮件和电子邮件)执行相同的操作。但现在我要处理两个光标之间的关联:如果电子邮件或电话的 CONTACT_ID 没有出现在 contactListId 中,则会将其放在一边。我还会检查是否已遇到该电子邮件。请注意,进一步的选择可能会在名称/图片内容和电子邮件/电话哈希映射内容之间引入不对称,但不用担心。
最终,我遍历 contactListId 列表并构建一个 Contact 对象列表,注意以下事实:联系人必须有信息(keySet 条件)并且联系人必须至少有一封邮件或电子邮件(邮件的情况)例如,如果联系人是 Skype 联系人,则可能会出现 == null && Phone == null)。 这是代码:
public List<Contact> getDetailedContactList(String queryString) {
/**
* First we fetch the contacts name and picture uri in alphabetical order for
* display purpose and store these data in HashMap.
*/
Cursor contactCursor = getContactCursor(queryString, NAME_URI);
List<Integer> contactIds = new ArrayList<>();
if (contactCursor.moveToFirst()) {
do {
contactIds.add(contactCursor.getInt(contactCursor.getColumnIndex(CONTACT_ID_URI)));
} while (contactCursor.moveToNext());
}
HashMap<Integer, String> nameMap = new HashMap<>();
HashMap<Integer, String> pictureMap = new HashMap<>();
int idIdx = contactCursor.getColumnIndex(CONTACT_ID_URI);
int nameIdx = contactCursor.getColumnIndex(NAME_URI);
int pictureIdx = contactCursor.getColumnIndex(PICTURE_URI);
if (contactCursor.moveToFirst()) {
do {
nameMap.put(contactCursor.getInt(idIdx), contactCursor.getString(nameIdx));
pictureMap.put(contactCursor.getInt(idIdx), contactCursor.getString(pictureIdx));
} while (contactCursor.moveToNext());
}
/**
* Then we get the remaining contact information. Here email and phone
*/
Cursor detailsCursor = getContactDetailsCursor();
HashMap<Integer, String> emailMap = new HashMap<>();
HashMap<Integer, String> phoneMap = new HashMap<>();
idIdx = detailsCursor.getColumnIndex(DATA_CONTACT_ID_URI);
int mimeIdx = detailsCursor.getColumnIndex(MIMETYPE_URI);
int mailIdx = detailsCursor.getColumnIndex(EMAIL_URI);
int phoneIdx = detailsCursor.getColumnIndex(PHONE_URI);
String mailString;
String phoneString;
if (detailsCursor.moveToFirst()) {
do {
/**
* We forget all details which are not correlated with the contact list
*/
if (!contactIds.contains(detailsCursor.getInt(idIdx))) {
continue;
}
if(detailsCursor.getString(mimeIdx).equals(MAIL_TYPE)){
mailString = detailsCursor.getString(mailIdx);
/**
* We remove all double contact having the same email address
*/
if(!emailMap.containsValue(mailString.toLowerCase()))
emailMap.put(detailsCursor.getInt(idIdx), mailString.toLowerCase());
} else {
phoneString = detailsCursor.getString(phoneIdx);
phoneMap.put(detailsCursor.getInt(idIdx), phoneString);
}
} while (detailsCursor.moveToNext());
}
contactCursor.close();
detailsCursor.close();
/**
* Finally the contact list is build up
*/
List<Contact> contacts = new ArrayList<>();
Set<Integer> detailsKeySet = emailMap.keySet();
for (Integer key : contactIds) {
if(!detailsKeySet.contains(key) || (emailMap.get(key) == null && phoneMap.get(key) == null))
continue;
contacts.add(new Contact(String.valueOf(key), pictureMap.get(key), nameMap.get(key), emailMap.get(key), phoneMap.get(key)));
}
return contacts;
}
联系人对象的定义由您决定。
希望这会有所帮助,并感谢之前的帖子。
我忘了检查手机按键设置:它应该看起来像
!mailKeySet.contains(key)
替换为
(!mailKeySet.contains(key) && !phoneKeySet.contains(key))
用手机按键设置
Set<Integer> phoneKeySet = phoneMap.keySet();
我为什么不添加一个空的联系人光标检查,例如:
if(contactCursor.getCount() == 0){
contactCursor.close();
return new ArrayList<>();
}
在 getContactCursor 调用之后