Update for issue #280,set auto play smoothly supported.

Author: zhpanvip

bannerview/src/main/java/com/zhpan/bannerview/BannerViewPager.java

@@ -298,7 +298,8 @@ private void pageScrolled(int position, float positionOffset, int positionOffset
 
   private void handlePosition() {
     if (mBannerPagerAdapter != null && mBannerPagerAdapter.getListSize() > 1 && isAutoPlay()) {
-      mViewPager.setCurrentItem(mViewPager.getCurrentItem() + 1);
+      mViewPager.setCurrentItem(mViewPager.getCurrentItem() + 1,
+          mBannerManager.getBannerOptions().isAutoScrollSmoothly());
       mHandler.postDelayed(mRunnable, getInterval());
     }
   }
@@ -1141,6 +1142,15 @@ public BannerViewPager<T> showIndicatorWhenOneItem(boolean showIndicatorWhenOneI
     return this;
   }
 
+  /**
+   * @param autoScrollSmoothly is auto play scroll smoothly.
+   */
+  public BannerViewPager<T> setAutoPlaySmoothly(boolean autoScrollSmoothly) {
+    mBannerManager.getBannerOptions()
+        .setAutoScrollSmoothly(autoScrollSmoothly);
+    return this;
+  }
+
   /**
    * @deprecated Use {@link BannerViewPager#disallowParentInterceptDownEvent(boolean)} instead.
    */

bannerview/src/main/java/com/zhpan/bannerview/manager/BannerOptions.java

@@ -85,6 +85,8 @@ public BannerOptions() {
 
   private boolean stopLoopWhenDetachedFromWindow = true;
 
+  private boolean autoScrollSmoothly = true;
+
   private final IndicatorOptions mIndicatorOptions;
 
   public int getInterval() {
@@ -231,6 +233,14 @@ public void setIndicatorMargin(int left, int top, int right, int bottom) {
     mIndicatorMargin = new IndicatorMargin(left, top, right, bottom);
   }
 
+  public boolean isAutoScrollSmoothly() {
+    return autoScrollSmoothly;
+  }
+
+  public void setAutoScrollSmoothly(boolean autoScrollSmoothly) {
+    this.autoScrollSmoothly = autoScrollSmoothly;
+  }
+
   public float[] getRoundRectRadiusArray() {
     return roundRadiusArray;
   }