去掉设置->平板电脑->状态->蓝牙信息

路径：package\apps\Settings\res\xml\device_info_status.xml
方法：注释<!--
    <Preference android:key="bt_address"
        Style="?android:attr/preferenceInformationStyle"
        android:title="@string/status_bt_address"
        android:summary="@string/device_info_not_available"
        android:persistent="false" />
　 -->   


package\apps\Settings\src\com\android\settings\deviceinfo\Status.java  453
Preference btAddressPref = findPreference(KEY_BT_ADDRESS);
if(btAddressPref != null)
{
       if (bluetooth == null) {
           // device not BT capable
           getPreferenceScreen().removePreference(btAddressPref);
       } else {
           String address = bluetooth.isEnabled() ? bluetooth.getAddress() : null;
           btAddressPref.setSummary(!TextUtils.isEmpty(address) ? address
                   : getString(R.string.status_unavailable));
       }
}