android 读取联系人

设置读取权限

<uses-permission android:name="android.permission.READ_CONTACTS" /> 
   <uses-permission android:name="android.permission.WRITE_CONTACTS" />

主要代码

public void readContacts() {

Cursor cursor = this.getContentResolver().query(
            ContactsContract.Contacts.CONTENT_URI, null, null, null, null);

int contactIdIndex = 0;

int nameIndex = 0;

if (cursor.getCount() > 0) {

contactIdIndex = cursor
                .getColumnIndex(ContactsContract.Contacts._ID);

nameIndex = cursor
                .getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);

}

while (cursor.moveToNext()) {

String contactId = cursor.getString(contactIdIndex);

String name = cursor.getString(nameIndex);
       
        Toast.makeText(this, name, 1000).show();

Cursor phones = this.getContentResolver().query(
                ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null,
                ContactsContract.CommonDataKinds.Phone.CONTACT_ID + "=?",
                new String[] { contactId }, null);
       
        if(phones.moveToNext()){
           
            int phoneIndex=phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER);
           
            String phoneNumber=phones.getString(phoneIndex);
           
            Toast.makeText(this, phoneNumber, 1000).show();
        }
       
        phones.close();
       
       
        Cursor email = this.getContentResolver().query(ContactsContract.CommonDataKinds.Email.CONTENT_URI, null, ContactsContract.CommonDataKinds.Email.CONTACT_ID + "=?",
                new String[] { contactId }, null);
       
        if(email.moveToNext()){
           
            int emailIndex =email.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA);
           
            String emailAddress=email.getString(emailIndex);
           
            Toast.makeText(this, emailAddress, 1000).show();
        }
       
        email.close();

}

}