- android.permission.INTERNET
- android.permission.ACCESS_NETWORK_STATE
- android.permission.WAKE_LOCK
- com.google.android.c2dm.permission.RECEIVE
- com.majestechllc.chineseear.permission.C2D_MESSAGE
May 16, 2019
In the same way as the two-choice quiz, after answering in the four-choice quiz, added the function to hear the voice of the correct answer.