Make sure that code is run AFTER onCreate() is called. It isn't clear where it runs, but the Service class is only fully function from onCreate() to onDestroy(); you should not use Context methods like this in the constructr.
On Mon, Nov 30, 2009 at 5:14 AM, Zhihong GUO <[email protected]> wrote: > Thanks for the reply, I uses the permission as: > <uses-permission android:name="android.permission.READ_PHONE_STATE" /> > <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" > /> > > I had test the code TelephonyManager tel = > (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE) in an activity > and it works well. > > > 2009/11/30 Wojciech Topolski <[email protected]> > > Hi >> >> 2009/11/30 Zhihong GUO <[email protected]> >> >> Hi all, >>> >>> I got an problem on getting the TelephonyManager in my personal service. >>> The code as below: >>> >>> public class MyService extends Service { >>> >>> @Override >>> public IBinder onBind(Intent intent) { >>> return mBinder; >>> } >>> >>> /** >>> * The implementation of IMyService defined through AIDL. >>> */ >>> public IBinder mBinder = new IMyService.Stub() { >>> >>> public Map getConfig() { >>> ... >>> TelephonyManager tel = >>> (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE); >>> >>> ... >>> >>> The code will throw an NullPointerException on the >>> line: (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE); >>> >>> why?? >>> >> >> Maybe permission in AndroidManifest.xml is required? On TelephoneManeger >> website is information: "Note that acess to some telephony information is >> permission-protected. Your application cannot access the protected >> information unless it has the appropriate permissions declared in its >> manifest file. Where permissions apply, they are noted in the the methods >> through which you access the protected information." >> >> >> >> -- >> =============================== >> Wojciech Topolski >> [email protected] >> =============================== >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Android Developers" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected]<android-developers%[email protected]> >> For more options, visit this group at >> http://groups.google.com/group/android-developers?hl=en >> > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected]<android-developers%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Dianne Hackborn Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
