make CBLoopViewPager public and add a RecyclerViewCornerRadius to mak…

app/src/main/java/com/bigkoo/convenientbannerdemo/MainActivity.java

@@ -6,9 +6,11 @@
 import android.widget.ListView;
 import android.widget.Toast;
 
-import com.bigkoo.convenientbanner.holder.CBViewHolderCreator;
 import com.bigkoo.convenientbanner.ConvenientBanner;
+import com.bigkoo.convenientbanner.holder.CBViewHolderCreator;
 import com.bigkoo.convenientbanner.listener.OnItemClickListener;
+import com.bigkoo.convenientbanner.view.CBLoopViewPager;
+import com.bigkoo.convenientbanner.view.RecyclerViewCornerRadius;
 
 import java.lang.reflect.Field;
 import java.util.ArrayList;
@@ -51,7 +53,7 @@ private void init(){
 //        initImageLoader();
         loadTestDatas();
         //本地图片例子
-        convenientBanner.setPages(
+        CBLoopViewPager cbLoopViewPager = convenientBanner.setPages(
                 new CBViewHolderCreator() {
                     @Override
                     public LocalImageHolderView createHolder(View itemView) {
@@ -65,7 +67,11 @@ public int getLayoutId() {
                 }, localImages)
                 //设置两个点图片作为翻页指示器，不设置则没有指示器，可以根据自己需求自行配合自己的指示器,不需要圆点指示器可用不设
 //                .setPageIndicator(new int[]{R.drawable.ic_page_indicator, R.drawable.ic_page_indicator_focused})
-                .setOnItemClickListener(this);
+                .setOnItemClickListener(this)
+                .getViewPager();
+        RecyclerViewCornerRadius recyclerViewCornerRadius = new RecyclerViewCornerRadius(cbLoopViewPager);
+        recyclerViewCornerRadius.setCornerRadius(30);
+        cbLoopViewPager.addItemDecoration(recyclerViewCornerRadius);
                 //设置指示器的方向
 //                .setPageIndicatorAlign(ConvenientBanner.PageIndicatorAlign.ALIGN_PARENT_RIGHT)
 //                .setOnPageChangeListener(this)//监听翻页事件

convenientbanner/src/main/java/com/bigkoo/convenientbanner/ConvenientBanner.java

@@ -48,6 +48,10 @@ public class ConvenientBanner<T> extends RelativeLayout {
     private AdSwitchTask adSwitchTask;
     private boolean isVertical = false;
 
+    public CBLoopViewPager getViewPager() {
+        return viewPager;
+    }
+
     public enum PageIndicatorAlign {
         ALIGN_PARENT_LEFT, ALIGN_PARENT_RIGHT, CENTER_HORIZONTAL
     }

convenientbanner/src/main/java/com/bigkoo/convenientbanner/view/RecyclerViewCornerRadius.java

@@ -0,0 +1,64 @@
+package com.bigkoo.convenientbanner.view;
+
+import android.graphics.Canvas;
+import android.graphics.Path;
+import android.graphics.RectF;
+import android.graphics.Region;
+import android.support.v7.widget.RecyclerView;
+import android.view.ViewTreeObserver;
+
+/**
+ * from https://github.com/wordplat/RecyclerViewCornerRadius
+ * Created by tanyi
+ * on 2018/9/6.
+ */
+public class RecyclerViewCornerRadius extends RecyclerView.ItemDecoration{
+    public static final String TAG = "RecyclerViewCornerRadius";
+
+    private RectF rectF;
+    private Path path;
+
+    private int topLeftRadius = 0;
+    private int topRightRadius = 0;
+    private int bottomLeftRadius = 0;
+    private int bottomRightRadius = 0;
+
+    public RecyclerViewCornerRadius(final RecyclerView recyclerView) {
+        recyclerView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
+            @Override
+            public void onGlobalLayout() {
+                rectF = new RectF(0, 0, recyclerView.getMeasuredWidth(), recyclerView.getMeasuredHeight());
+
+                path = new Path();
+                path.reset();
+                path.addRoundRect(rectF, new float[]{
+                        topLeftRadius, topLeftRadius,
+                        topRightRadius, topRightRadius,
+                        bottomLeftRadius, bottomLeftRadius,
+                        bottomRightRadius, bottomRightRadius
+                }, Path.Direction.CCW);
+                recyclerView.getViewTreeObserver().removeGlobalOnLayoutListener(this);
+            }
+        });
+    }
+
+    public void setCornerRadius(int radius) {
+        this.topLeftRadius = radius;
+        this.topRightRadius = radius;
+        this.bottomLeftRadius = radius;
+        this.bottomRightRadius = radius;
+    }
+
+    public void setCornerRadius(int topLeftRadius, int topRightRadius, int bottomLeftRadius, int bottomRightRadius) {
+        this.topLeftRadius = topLeftRadius;
+        this.topRightRadius = topRightRadius;
+        this.bottomLeftRadius = bottomLeftRadius;
+        this.bottomRightRadius = bottomRightRadius;
+    }
+
+    @Override
+    public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) {
+        c.clipRect(rectF);
+        c.clipPath(path, Region.Op.REPLACE);
+    }
+}