您已经添加 ITelephony.AIDL 项目文件？如果你已经添加那么你的包名必须是 COM /安卓/内部/电话/ ITelephony.AIDL ： 有关更多信息，拦截来电。从这里

you have added ITelephony.AIDL file in your project? and if you have added then your package name must be com/android/internal/telephony/ITelephony.AIDL: for more information Blocking Incoming call. download AIDL file from here