Rejects unwanted phone calls from hidden callers such as telemarketers or spammers. Available at Google Play
- Incoming calls with no caller id are silenced and rejected
- Optionally allow calls through on the third attempt
- Requires no more than the minimal permissions to block incoming calls
- Doesn't require permissions for e.g. Internet, SMS, accounts or phone book!
- Clone the mikljohansson/android-core library into the parent folder
- Uses Android Studio for development