Fixes possible crash when deleting a session

app/src/main/java/net/pokeranalytics/android/ui/modules/session/SessionFragment.kt

@@ -48,7 +48,7 @@ class SessionFragment : RealmFragment(), RowRepresentableDelegate, StaticRowRepr
 	private lateinit var model: SessionViewModel
 
 	companion object {
-		const val TIMER_DELAY = 60000L
+		const val TIMER_DELAY = 5000L
 		const val REQUEST_CODE_NEW_CUSTOM_FIELD = 1000
 	}
 
@@ -60,7 +60,7 @@ class SessionFragment : RealmFragment(), RowRepresentableDelegate, StaticRowRepr
 	private var sessionHasBeenUserCustomized = false
 	private val handler: Handler = Handler()
 
-	private val refreshTimer: Runnable = object : Runnable {
+	private val timer: Runnable = object : Runnable {
 		override fun run() {
 			refreshTimer()
 			handler.postDelayed(this,
@@ -149,7 +149,7 @@ class SessionFragment : RealmFragment(), RowRepresentableDelegate, StaticRowRepr
 
 	override fun onPause() {
 		super.onPause()
-		handler.removeCallbacksAndMessages(null)
+		this.stopTimer()
 	}
 
 	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
@@ -297,7 +297,7 @@ class SessionFragment : RealmFragment(), RowRepresentableDelegate, StaticRowRepr
 				floatingActionButton.animate().scaleX(1f).scaleY(1f).alpha(1f)
 					.setDuration(animationDuration)
 					.setInterpolator(OvershootInterpolator()).start()
-				handler.postDelayed(refreshTimer, Date().getNextMinuteInMilliseconds())
+				handler.postDelayed(timer, Date().getNextMinuteInMilliseconds())
 			}
 			SessionState.STARTED -> {
 				sessionMenu?.findItem(R.id.restart)?.isVisible = true
@@ -306,7 +306,7 @@ class SessionFragment : RealmFragment(), RowRepresentableDelegate, StaticRowRepr
 				floatingActionButton.animate().scaleX(1f).scaleY(1f).alpha(1f)
 					.setDuration(animationDuration)
 					.setInterpolator(OvershootInterpolator()).start()
-				handler.postDelayed(refreshTimer, Date().getNextMinuteInMilliseconds())
+				handler.postDelayed(timer, Date().getNextMinuteInMilliseconds())
 			}
 			SessionState.PAUSED -> {
 				sessionMenu?.findItem(R.id.restart)?.isVisible = true
@@ -468,11 +468,15 @@ class SessionFragment : RealmFragment(), RowRepresentableDelegate, StaticRowRepr
 	 */
 	private fun deleteSession() {
 
+		this.stopTimer()
 		this.currentSession.cancelStopNotification(requireContext())
-		this.currentSession.bankroll?.id?.let { bankrollId ->
+
+		val bankrollId = this.currentSession.bankroll?.id
+
+		this.currentSession.delete()
+		bankrollId?.let {
 			BankrollReportManager.notifyBankrollReportImpact(bankrollId)
 		}
-		this.currentSession.delete()
 		activity?.finish()
 	}
 
@@ -660,4 +664,8 @@ class SessionFragment : RealmFragment(), RowRepresentableDelegate, StaticRowRepr
 		this.updateRowRepresentation()
 	}
 
+	private fun stopTimer() {
+		handler.removeCallbacksAndMessages(null)
+	}
+
 }