Android读取手机联系人且获得联系人手机号+名称

1.

startActivityForResult(new Intent(Intent.ACTION_PICK, ContactsContract.Contacts.CONTENT_URI), 0);

2.@Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == Activity.RESULT_OK) {
            ContentResolver reContentResolverol = getContentResolver();
            Uri contactData = data.getData();
            @SuppressWarnings("deprecation")
            Cursor cursor = managedQuery(contactData, null, null, null, null);
            cursor.moveToFirst();
            username = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));//用户的名称
            String contactId = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID));
            Cursor phone = reContentResolverol.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
                    null,
                    ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = " + contactId,
                    null,
                    null);
            while (phone.moveToNext()) {
                usernumber = phone.getString(phone.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)); //用户的手机号
                Get_Phone.setText(usernumber+" ("+username+")");
            }
        }

3.权限.