Fix warnings

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

@@ -108,7 +108,7 @@ class HomeActivity : PokerAnalyticsActivity() {
 		when (requestCode) {
 			RequestCode.IMPORT.value -> {
 				if (resultCode == ResultCode.IMPORT_UNRECOGNIZED_FORMAT.value) {
-					showAlertDialog(this, message = R.string.unknown_import_format_popup_message)
+					showAlertDialog(context = this, message = R.string.unknown_import_format_popup_message)
 				}
 			}
 		}
@@ -166,9 +166,9 @@ class HomeActivity : PokerAnalyticsActivity() {
 
 	// Import
 
-	fun requestImportConfirmation(uri: Uri) {
+	private fun requestImportConfirmation(uri: Uri) {
 
-		showAlertDialog(this, R.string.import_confirmation, showCancelButton = true, positiveAction = {
+		showAlertDialog(context = this, title = R.string.import_confirmation, showCancelButton = true, positiveAction = {
 			ImportActivity.newInstanceForResult(this, uri)
 		})