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I have implemented a CallService which I have in the manifest like this: Solution 1: Ok, so like … Read more If My App Is Selected As The Default Dialer App. Is It Possible To Make Intent To Show Call In The Dialer

I have an app that requires temporary access to the device's SMS. In KitKat and above, this acc… Read more Automatically Revert To Previous Default Sms App

I wanted to disable features related to CALL and SMS in my application based on whether SIM hardwar… Read more How To Find Out Whether A Particular Device Has Sim Hardware Support?

Some devices ie. Galaxy Tablet 10.1 can only send SMS, but cannot call. Some other devices like Asu… Read more How To Detect If Device Is Capable Of Calling And Messaging

I wonder what is the value of SIM state returned by TelephonyManager.getSimState() when 'airpla… Read more What Is The Value Of Sim State When "airplane Mode" Is Turned On

I assume this is the proper forum , not android.stackechange since it is software related. I am a n… Read more Custom Android Telephony Application

in which cases this method returns a null reference? Can only depend on the sim card? Doesn't e… Read more Android: Telephonymanager.getsimserialnumber() Returns Null

I assume this is the proper forum , not android.stackechange since it is software related. I am a n… Read more Custom Android Telephony Application