Fix crash with animation

app/src/main/java/net/pokeranalytics/android/ui/activity/NewDataMenuActivity.kt

@@ -12,6 +12,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
+import net.pokeranalytics.android.R
 import net.pokeranalytics.android.ui.activity.components.PokerAnalyticsActivity
 import net.pokeranalytics.android.ui.extensions.px
 
@@ -29,11 +30,13 @@ class NewDataMenuActivity : PokerAnalyticsActivity() {
 		}
 	}
 
+	private var choiceSelected = false
+	private var menuWillBeHidden = false
 	private val fabSize = 48.px
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
-		setContentView(net.pokeranalytics.android.R.layout.activity_new_data)
+		setContentView(R.layout.activity_new_data)
 		initUI()
 	}
 
@@ -78,12 +81,18 @@ class NewDataMenuActivity : PokerAnalyticsActivity() {
 	 * Set the result and hide menu
 	 */
 	private fun finishWithResult(choice: Int) {
+
+		if (choiceSelected) {
+			return
+		}
+		choiceSelected = true
+
 		val intent = Intent()
 		intent.putExtra(IntentKey.CHOICE.keyName, choice)
 		setResult(RESULT_OK, intent)
 		GlobalScope.launch(Dispatchers.Main) {
 			delay(200)
-			hideMenu(true)
+			hideMenu()
 		}
 	}
 
@@ -105,7 +114,12 @@ class NewDataMenuActivity : PokerAnalyticsActivity() {
 	/**
 	 * Hide menu
 	 */
-	private fun hideMenu(hideQuickly: Boolean = false) {
+	private fun hideMenu() {
+
+		if (menuWillBeHidden) {
+			return
+		}
+		menuWillBeHidden = true
 
 		val cx = menuContainer.measuredWidth - fabSize / 2
 		val cy = menuContainer.measuredHeight - fabSize / 2