From f76b0f9944331a7869a450d691048bfa6cbe7bdb Mon Sep 17 00:00:00 2001
From: yangzhao <yz1311@foxmail.com>
Date: Thu, 27 May 2021 00:26:18 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E9=83=A8=E5=88=86=E6=89=8B?=
 =?UTF-8?q?=E6=9C=BA=E9=BB=98=E8=AE=A4=E9=80=89=E4=B8=AD=E7=8A=B6=E6=80=81?=
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---
 .../zyu/ReactWheelCurvedPickerManager.java    | 20 ++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/android/src/main/java/com/zyu/ReactWheelCurvedPickerManager.java b/android/src/main/java/com/zyu/ReactWheelCurvedPickerManager.java
index a76a11a..df65caf 100644
--- a/android/src/main/java/com/zyu/ReactWheelCurvedPickerManager.java
+++ b/android/src/main/java/com/zyu/ReactWheelCurvedPickerManager.java
@@ -1,6 +1,9 @@
 package com.zyu;
 
 import android.graphics.Color;
+import android.os.Handler;
+import android.os.Looper;
+import android.util.Log;
 
 import com.aigestudio.wheelpicker.WheelPicker;
 import com.facebook.react.bridge.ReadableArray;
@@ -24,6 +27,11 @@ public class ReactWheelCurvedPickerManager extends SimpleViewManager<ReactWheelC
 
     private static final int DEFAULT_TEXT_SIZE = 25 * 2;
     private static final int DEFAULT_ITEM_SPACE = 14 * 2;
+    private static Handler mSDKHandler = new Handler(Looper.getMainLooper());
+
+    private static void runOnMainThread(Runnable runnable) {
+        mSDKHandler.postDelayed(runnable, 0);
+    }
 
     @Override
     protected ReactWheelCurvedPicker createViewInstance(ThemedReactContext reactContext) {
@@ -96,10 +104,16 @@ public void setData(ReactWheelCurvedPicker picker, ReadableArray items) {
     }
 
     @ReactProp(name="selectedIndex")
-    public void setSelectedIndex(ReactWheelCurvedPicker picker, int index) {
+    public void setSelectedIndex(final ReactWheelCurvedPicker picker, final int index) {
         if (picker != null && picker.getState() == WheelPicker.SCROLL_STATE_IDLE) {
-            picker.setSelectedItemPosition(index);
-            picker.invalidate();
+             //必须放在异步，否则不能确保生效https://github.com/AigeStudio/WheelPicker/issues/156
+             runOnMainThread(new Runnable() {
+                        @Override
+                        public void run() {
+                            picker.setSelectedItemPosition(index);
+                            picker.invalidate();
+                        }
+                    });
         }
     }