Fix depricated issues

app/src/main/java/code/name/monkey/retromusic/fragments/base/AbsMainActivityFragment.kt

@@ -45,8 +45,4 @@ abstract class AbsMainActivityFragment : AbsMusicServiceFragment() {
             setStatusBarColor(view, ColorUtil.darkenColor(colorPrimary))
         }
     }
-
-    protected fun showMainMenu(option: Int) {
-        OptionsSheetDialogFragment.newInstance(option).show(childFragmentManager, "Main_Menu")
-    }
 }

app/src/main/java/code/name/monkey/retromusic/fragments/base/AbsPlayerFragment.kt

@@ -121,7 +121,7 @@ abstract class AbsPlayerFragment : AbsMusicServiceFragment(),
                 return true
             }
             R.id.action_sleep_timer -> {
-                SleepTimerDialog().show(requireFragmentManager(), TAG)
+                SleepTimerDialog().show(parentFragmentManager, TAG)
                 return true
             }
             R.id.action_set_as_ringtone -> {