You don't instantiate it directly, you don't instantiate it at all, therefore you can not extend it in the conventional sense. What you can do is to create a class that acts that acts as a wrapper for the methods of TM that you want it to expose directly. If you tell us what sort of extensions you want to make you will get better suggestions! On Aug 24, 2015 8:49 PM, "张斌" <[email protected]> wrote:
> I want to create a new class extends TelephonyManager which can not > instantiate directly.TelephonyManager can be instantiate through > Context.getSystemService(Context.TELEPHONY_SERVICE). > > > Are there anyone know sth about it? > > Waiting for your reply! > > -- > 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 > --- > You received this message because you are subscribed to the Google Groups > "Android Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- 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 --- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
