From 9f0a3744ae47894a3b93ffd64acbb204e7e21fe1 Mon Sep 17 00:00:00 2001
From: qinliyang <qinliyang1993@163.com>
Date: Thu, 23 May 2019 12:17:36 +0800
Subject: [PATCH] =?UTF-8?q?=E6=BB=91=E5=8A=A8=E5=88=B0=E6=8C=87=E5=AE=9A?=
 =?UTF-8?q?=E6=9D=A1=E7=9B=AE?=
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---
 .../java/com/weigan/loopview/LoopView.java    | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/loopview/src/main/java/com/weigan/loopview/LoopView.java b/loopview/src/main/java/com/weigan/loopview/LoopView.java
index d617a5e..20895ea 100644
--- a/loopview/src/main/java/com/weigan/loopview/LoopView.java
+++ b/loopview/src/main/java/com/weigan/loopview/LoopView.java
@@ -368,6 +368,32 @@ public void setCurrentPosition(int position) {
         }
     }
 
+
+    /**
+     * scroll to designated item
+     *
+     * @param i
+     */
+    public void smoothScrollToItem(int i) {
+        if (items == null || items.isEmpty()) {
+            return;
+        }
+        if (i < 0) {
+            i = 0;
+        }
+        if (i > items.size() - 1) {
+            i = items.size() - 1;
+        }
+        cancelFuture();
+        float itemHeight = lineSpacingMultiplier * maxTextHeight;
+        int i1 = i - getSelectedItem();
+        if (i1 == 0)
+            return;
+        mFuture = mExecutor.scheduleWithFixedDelay(new SmoothScrollTimerTask(this, (int) (itemHeight * i1)), 0, 15, TimeUnit.MILLISECONDS);
+        invalidate();
+    }
+
+
     @Override
     protected void onDraw(Canvas canvas) {
         if (items == null) {