From e71232870cb8e051f64095daa1d3542010e79131 Mon Sep 17 00:00:00 2001
From: Harold Lopez <61238804+har0ld-scl@users.noreply.github.com>
Date: Sat, 20 Feb 2021 05:00:06 -0300
Subject: [PATCH] fix: android native variant stops responding at unmount
 during spinn (#296)

---
 .../date_picker/pickers/AndroidNative.java           | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/android/src/main/java/com/henninghall/date_picker/pickers/AndroidNative.java b/android/src/main/java/com/henninghall/date_picker/pickers/AndroidNative.java
index 196d291..5b511ea 100644
--- a/android/src/main/java/com/henninghall/date_picker/pickers/AndroidNative.java
+++ b/android/src/main/java/com/henninghall/date_picker/pickers/AndroidNative.java
@@ -24,6 +24,7 @@ public class AndroidNative extends NumberPicker implements Picker {
     private int state = SCROLL_STATE_IDLE;
     private OnValueChangeListenerInScrolling listenerInScrolling;
     private boolean isAnimating;
+    private final Handler handler = new Handler();
 
     public AndroidNative(Context context) {
         super(context);
@@ -111,7 +112,7 @@ public class AndroidNative extends NumberPicker implements Picker {
         int timeBetweenScrollsMs = 100;
         int willStopScrollingInMs = timeBetweenScrollsMs * moves;
         isAnimating = true;
-        new Handler().postDelayed(new Runnable() {
+        handler.postDelayed(new Runnable() {
             @Override
             public void run() {
                 isAnimating = false;
@@ -149,7 +150,7 @@ public class AndroidNative extends NumberPicker implements Picker {
 
     private void changeValueByOne(final boolean increment, final int ms, final boolean isLast) {
         final AndroidNative self = this;
-        new Handler().postDelayed(new Runnable() {
+        handler.postDelayed(new Runnable() {
             @Override
             public void run() {
                 changeValueByOne(self, increment);
@@ -202,7 +203,7 @@ public class AndroidNative extends NumberPicker implements Picker {
     }
 
     private void sendEventIn500ms(){
-        new Handler().postDelayed(new Runnable() {
+        handler.postDelayed(new Runnable() {
             @Override
             public void run() {
                 onValueChangedListener.onValueChange();
@@ -211,4 +212,9 @@ public class AndroidNative extends NumberPicker implements Picker {
         }, 500);
     }
 
+    @Override
+    protected void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+        handler.removeCallbacksAndMessages(null);
+    }
 }