android四大组件-----contentProvider读取联系人

https://www.cnblogs.com/tangs/articles/5756320.html

转自 https://blog.csdn.net/kirito_pio/article/details/78679778

mainifest.xml

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

Cursor cursor = null;
        cursor = getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null, null, null, null);
        if (cursor != null) {
            while (cursor.moveToNext()) {
                String displayName = cursor.getString(cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME));
                String number = cursor.getString(cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                Log.d(TAG, "readContacts: "+displayName+"---"+number);
            }

        }