Enable android's phone speaker in program -

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i wrote app handles incoming calls , answers them automatically. want set voice phone's loud speaker , works fine on android 4 not 4.1 , 4.2.

code:

audiomanager audiomanager = (audiomanager) context.getsystemservice(context.audio_service); audiomanager.setmode(audiomanager.mode_in_call); audiomanager.setspeakerphoneon(true);

i have required permission in manifest:

<uses-permission android:name="android.permission.modify_audio_settings" />

i getting silent exception in logcat says have not modify_phone_state permission have defined in manifest:

java.lang.securityexception: neither user 10046 nor current process has android.permission.modify_phone_state. @ android.os.parcel.readexception(parcel.java:1425) @ android.os.parcel.readexception(parcel.java:1379) @ com.android.internal.telephony.itelephony$stub$proxy.silenceringer(itelephony.java:577) @ net.farayan.android.driveranswer.autoanswerintentservice.answerphoneaidl(autoanswerintentservice.java:155) @ net.farayan.android.driveranswer.autoanswerintentservice.onhandleintent(autoanswerintentservice.java:92) @ android.app.intentservice$servicehandler.handlemessage(intentservice.java:65) @ android.os.handler.dispatchmessage(handler.java:99) @ android.os.looper.loop(looper.java:137) @ android.os.handlerthread.run(handlerthread.java:60)

as per docs, modify_phone_state permission not you:

allows modification of telephony state - power on, mmi, etc. not include placing calls.

not use third-party applications.

it used work on pre 2.3, changed starting @ v.2.3 , since version permission granted system apps, means either pre-installed system folder on rom or signed manufacturer using security certificate.


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