Capturing the outgoing call in a BroadcastReceiver has been mentioned and is definitely the best way to do it if you want to end the call before dialing. Once dialing or in-call, however, that technique no longer works. The only way to hang up that I’ve encountered so far, is to do so through Java … Read more
In order for your app to be eligible to be selected as the default messaging app (as far as the system is concerned), its manifest must list each of the four components as described in that blog post, whether those components’ classes are actually present and functional, or not. The class names can be whatever … Read more
The problem you’re having was introduced in Android 2.3 (Gingerbread). Any code you have that requires MODIFY_PHONE_STATE will work all the way up to (and including) Android 2.2, but will break for Android 2.3+. A change was checked in by David Brown that limits the use of the MODIFY_PHONE_STATE permission to system apps. System apps … Read more