question: public void resumeTalkBack ( ) { if ( isServiceActive ( ) ) { if ( LogUtils . LOG_LEVEL <= Log . ERROR ) { Log . e ( LOGTAG , "Attempted to resume TalkBack when not suspended." ) ; } return ; } SharedPreferencesUtils . storeBooleanAsync ( mPrefs , getString ( R . string . pref_suspended ) , false ) ; unregisterReceiver ( mSuspendedReceiver ) ; resumeInfrastructure ( ) ; mSpeechController . speak ( getString ( R . string . talkback_resumed ) , SpeechController . QUEUE_MODE_UNINTERRUPTIBLE , 0 , null ) ; }
target:  Resumes TalkBack and Explore by Touch.