I don’t think there’s such API and also there’s no API for sending DTMFs due to the same reason that you can’t tell when the call is being connected.
More Related Contents:
- How to detect when phone is answered or rejected
- Start and Close single Activity from BroadcastReceiver
- Start Activity from Service in Android
- Sending an Intent to browser to open specific URL [duplicate]
- Android YouTube app Play Video Intent
- Android and Facebook share intent
- Using intents to pass data between activities
- How to open a second activity on click of button in android app
- How to send HTML email
- Android: How to pass Parcelable object to intent and use getParcelable method of bundle?
- Listing all extras of an Intent
- How to make my Android app appear in the share list of another specific app
- Pick any kind of file via an Intent in Android
- Intent to launch the clock application on android
- Open Facebook Page in Facebook App (if installed) on Android [duplicate]
- Android:Passing a hash map between Activities
- Pass list of objects from one activity to other activity in android
- Launch android application from a browser link
- onNewIntent is not called
- Force a camera to always open in portrait mode in android [duplicate]
- android pending intent notification problem
- Choosing photo using new Google Photos app is broken
- Start Activity Using Custom Action
- Advantages of using Bundle instead of direct Intent putExtra() in Android
- How to know which intent is selected in Intent.ACTION_SEND?
- Get Signal Strength in Android
- android: choose default launcher programmatically
- Kotlin Android start new Activity
- How to share text to WhatsApp from my app?
- How to attach image from drawable to gmail?