增加控制时间

bannerlibrary/src/main/java/com/github/wanglu1209/bannerlibrary/Banner.java

@@ -208,6 +208,11 @@ public void setCurrentPager(int page, boolean isSmooth){
         mPager.setCurrentItem(page, isSmooth);
     }
 
+    public Banner setScrollDuration(int duration){
+        mPager.setScrollDuration(duration);
+        return this;
+    }
+
     public Banner setDotGravity(int gravity) {
         mDotGroup.setGravity(gravity | Gravity.BOTTOM);
         float density = mContext.getResources().getDisplayMetrics().density;

bannerlibrary/src/main/java/com/github/wanglu1209/bannerlibrary/BannerViewPager.java

@@ -19,7 +19,7 @@ public class BannerViewPager extends ViewPager  {
     private static final int MSG_WHAT = -00001;
     private int SEND_TIME = 5000;
     private int position;
-
+    private ViewPagerScroller mPagerScroller;
 
     private Handler mHandler = new Handler() {
         @Override
@@ -36,6 +36,13 @@ public BannerViewPager(Context context) {
 
     public BannerViewPager(Context context, AttributeSet attrs) {
         super(context, attrs);
+        mPagerScroller = new ViewPagerScroller(context);
+        mPagerScroller.initViewPagerScroll(this);
+    }
+
+    public void setScrollDuration(int duration){
+        mPagerScroller.setScrollDuration(duration);
+        mPagerScroller.initViewPagerScroll(this);
     }
 
     public BannerViewPager startAutoPlay() {

bannerlibrary/src/main/java/com/github/wanglu1209/bannerlibrary/ViewPagerScroller.java

@@ -0,0 +1,57 @@
+package com.github.wanglu1209.bannerlibrary;
+
+import android.content.Context;
+import android.support.v4.view.ViewPager;
+import android.view.animation.Interpolator;
+import android.widget.Scroller;
+
+import java.lang.reflect.Field;
+
+/**
+ * Created by WangLu on 2017/3/15.
+ */
+
+public class ViewPagerScroller extends Scroller {
+    private int mScrollDuration = 1000; // 滑动速度
+
+    public ViewPagerScroller(Context context) {
+        super(context);
+    }
+
+    public ViewPagerScroller(Context context, Interpolator interpolator) {
+        super(context, interpolator);
+    }
+
+    public ViewPagerScroller(Context context, Interpolator interpolator, boolean flywheel) {
+        super(context, interpolator, flywheel);
+    }
+
+    @Override
+    public void startScroll(int startX, int startY, int dx, int dy, int duration) {
+        super.startScroll(startX, startY, dx, dy, mScrollDuration);
+    }
+
+    @Override
+    public void startScroll(int startX, int startY, int dx, int dy) {
+        super.startScroll(startX, startY, dx, dy, mScrollDuration);
+    }
+
+    public void initViewPagerScroll(ViewPager viewPager) {
+        try {
+            Field mScroller = ViewPager.class.getDeclaredField("mScroller");
+            mScroller.setAccessible(true);
+            mScroller.set(viewPager, this);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * 设置速度速度
+     *
+     * @param duration
+     */
+    public void setScrollDuration(int duration) {
+        this.mScrollDuration = duration;
+    }
+}