Refactor realm for PokerAnalyticsFragment

app/src/main/java/net/pokeranalytics/android/ui/fragment/components/PokerAnalyticsFragment.kt

@@ -3,24 +3,26 @@ package net.pokeranalytics.android.ui.fragment.components
 import android.os.Bundle
 import androidx.fragment.app.Fragment
 import io.realm.Realm
-import net.pokeranalytics.android.ui.activity.components.PokerAnalyticsActivity
 
 open class PokerAnalyticsFragment: Fragment() {
 
+	private lateinit var realm: Realm
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+	    realm = Realm.getDefaultInstance()
     }
 
     override fun onDestroyView() {
         super.onDestroyView()
+	    realm.close()
     }
 
 	/**
 	 * Get the realm instance
  	 */
 	fun getRealm(): Realm {
-		val pokerAnalyticsActivity = activity as PokerAnalyticsActivity
-		return pokerAnalyticsActivity.getRealm()
+		return realm
 	}
 
 }