From 8c01752dac94a6a89ed3811bfe169566d2e3120b Mon Sep 17 00:00:00 2001
From: Henning Hall <henning.hall@hotmail.com>
Date: Fri, 23 Aug 2019 19:41:04 +0200
Subject: [PATCH] Android performance improvements.

Only refresh visible wheels.
Fixes #98
---
 .../src/main/java/com/henninghall/date_picker/PickerView.java    | 1 +
 .../src/main/java/com/henninghall/date_picker/wheels/Wheel.java  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/android/src/main/java/com/henninghall/date_picker/PickerView.java b/android/src/main/java/com/henninghall/date_picker/PickerView.java
index ef65cb2..de55dfb 100644
--- a/android/src/main/java/com/henninghall/date_picker/PickerView.java
+++ b/android/src/main/java/com/henninghall/date_picker/PickerView.java
@@ -176,6 +176,7 @@ public class PickerView extends RelativeLayout {
         applyOnAllWheels(new UpdateVisibility());
         wheelOrderUpdater.update(locale, mode);
         emptyWheelUpdater.update(mode);
+        requireDisplayValueUpdate = true;
     }
 
     public Collection<Wheel> getVisibleWheels() {
diff --git a/android/src/main/java/com/henninghall/date_picker/wheels/Wheel.java b/android/src/main/java/com/henninghall/date_picker/wheels/Wheel.java
index 168e92c..6679d4f 100644
--- a/android/src/main/java/com/henninghall/date_picker/wheels/Wheel.java
+++ b/android/src/main/java/com/henninghall/date_picker/wheels/Wheel.java
@@ -85,6 +85,7 @@ public abstract class Wheel {
     }
 
     public void refresh() {
+        if (!this.visible()) return;
         clearValues();
         init();
     }