[Android] Activity has leaked window 오류를 잡아내자

Activity has leaked window was originally added here
누수가 된다! Activity는 종료되었으나 열렸던 Dialog가 닫히지 않았다는 의미이므로
Dialog.dismiss() 를 ondestroy 에 꼭 적어 Activity 종료 시 Dialog를 종료하는 방향으로 디버깅을 해보세요~! 

[출처] Activity com.ktnet.mycoex.app.CoexCanvasAct has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@48a9af70 that was originally added here|작성자 강똘똘님