Re: [android-developers] Prevent sms sending

You might say "but what about app X"? (e.g.,
https://play.google.com/store/apps/details?id=com.textecution)

These apps don't *really* disable SMS abilities. They just:
- Look for SMS apps to be started on the phone
- Recognize apps which text messaging related
- Kill them

But that doesn't really stop an outgoing SMS, per se: the user could
easily try to install an app which has the ability to send texts (that
the app doesn't recognize) and kill it. But then you might reply "but
what if app X indexes the market, looks for all apps with the send SMS
permission, and updates those to a web platform from which the app
pulls its database?" To disable any kind of functionality like this,
the READ_LOGS permission has been made impossible to use in recent
versions of Android. In short, these kinds of apps don't work
anymore.

Kris


On Wed, Jan 30, 2013 at 2:22 PM, Kristopher Micinski
<krismicinski@gmail.com> wrote:
> It's not possible, and here's why:
>
> User level apps are not supposed to be able to control system level
> facilities. If your use case is within a company, you'll need a ROM
> extension.
>
> Refusing to believe this doesn't make it any less true. You can't do
> it, the API isn't exposed. It's not exposed because your app
> shouldn't be doing this. There is literally no endpoint that "stops"
> an SMS from being sent. If you wanted to do this within a ROM, you'd
> need to intercept calls to the SMS facilities (say, via `SmsManager`).
>
> Kris
>
>
> On Wed, Jan 30, 2013 at 2:01 PM, Lucas Diego <diegolucasb@gmail.com> wrote:
>> Hi everybody,
>>
>> I have been developping a launcher for a company in order to prevent users
>> (from this company of course) from doing some actions on the phone, like
>> send sms text for example.
>> So, I'd like to know how can I prevent user from sending sms text.
>> After seaching it, all I have found is people saying that it is not
>> possible. Well, I refuse to believe that. I think it's gotta be a way to do
>> this;
>>
>> til now, all I'm getting is information about users' sms, using a extended
>> class from ContentObserver, like this:
>>
>> public class SMSObserver extends ContentObserver {
>>
>> private Handler handle = null;
>> private Context context;
>>
>> public SMSObserver(Handler handler, Context context) {
>> super(handler);
>> this.handle = handler;
>> this.context = context;
>> }
>>
>> @Override
>> public void onChange(boolean selfChange) {
>> super.onChange(selfChange);
>>
>> Uri uriSMS = Uri.parse("content://sms/sent");
>> // Uri uriSMS = Uri.parse("content://sms/out");
>> // Uri uriSMS = Uri.parse("content://sms/");
>> Cursor cur =
>> context.getApplicationContext().getContentResolver().query(uriSMS, null,
>> null, null, null);
>>
>> if (cur.moveToNext()) {
>> String[] nomes = cur.getColumnNames();
>>
>> for (String string : nomes) {
>> Log.i("LAUNCHER", string);
>> }
>>
>> Log.i("LAUNCHER", cur.getString(cur.getColumnIndex("address")));
>> Log.i("LAUNCHER",
>> cur.getString(cur.getColumnIndex("callback_number")));
>> Log.i("LAUNCHER", cur.getString(cur.getColumnIndex("read")));
>> Log.i("LAUNCHER", cur.getString(cur.getColumnIndex("type")));
>> Log.i("LAUNCHER", cur.getString(cur.getColumnIndex("body")));
>> }
>> }
>> }
>>
>>
>>
>> does anybody knows how to do it?
>> any help would be really great.
>>
>> thanks.
>>
>> Lucas Diego
>>
>>
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