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();

}

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