1.修改Android Apex CRM图片预览不显示。

ApexDrivers/RAUtilsLibrary/src/main/java/com/usai/redant/rautils/InfinitePhoto/InfinitePhotoActivity.java

@@ -6,6 +6,7 @@ import android.content.Intent;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.support.v7.app.AppCompatActivity;
+import android.util.Log;
 import android.view.View;
 import android.widget.TextView;
 
@@ -107,19 +108,29 @@ public class InfinitePhotoActivity extends AppCompatActivity {
             @Override
             public void carouselWillShowItem(CarouselView carousel, View cell, int index) {
 
+                Log.d("Carousel", "WillDisplay: " + index + " " + cell);
                 updateViewForIndex(cell, index);
 
             }
 
             @Override
-            public void carouselDidShowItem(CarouselView carousel, int index) {
+            public void carouselDidShowItem(CarouselView carousel, View cell, int index) {
+                Log.d("Carousel", "DidScrollTo: " + index);
                 mOffset = index;
                 updateIndicator();
+
+                /** 使用数据与Cell绑定后，
+                 *  如果图片有两张那么排列位置： 2， 1， 2， 1
+                 *  当前位置为2的时候，会预加载位置1、3，那么会将其中一个重置为数据为空。
+                 *  滑动到3位置时，会跳转到1位置，此时1位置已经被清空了，所以应当对当前
+                 *  显示Cell重新绑定数据
+                 * */
+                updateViewForIndex(cell, index);
             }
 
             @Override
             public void carouselWillEndDisplayItem(CarouselView carousel, View cell, int index) {
-
+                Log.d("Carousel", "WillEndDisplay: " + index + " " + cell);
                 if (cell instanceof InfinitePhotoItemCell) {
                     InfinitePhotoItemCell photoItemCell = (InfinitePhotoItemCell) cell;
                     photoItemCell.clear();

ApexDrivers/RAUtilsLibrary/src/main/java/com/usai/redant/rautils/InfinitePhoto/InfinitePhotoItemCell.java

@@ -85,6 +85,7 @@ public class InfinitePhotoItemCell extends RelativeLayout implements InfinitePho
         if (mPhotoItem != null) {
             mPhotoItem = null;
         }
+        refreshUI();
     }
 
     public void clear() {

ApexDrivers/RAUtilsLibrary/src/main/java/com/usai/redant/rautils/carousel/CarouselView.java

@@ -6,6 +6,7 @@ import android.support.annotation.Nullable;
 import android.support.v4.view.PagerAdapter;
 import android.support.v4.view.ViewPager;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
@@ -14,6 +15,7 @@ import android.widget.RelativeLayout;
 
 import java.util.ArrayList;
 import java.util.Date;
+import java.util.HashMap;
 import java.util.Timer;
 import java.util.TimerTask;
 
@@ -27,6 +29,7 @@ public class CarouselView extends RelativeLayout {
     private CarouselAdapter mAdapter;
     private int mCurrentItem = 1;
     private int mItemCount;
+    private HashMap<Integer, Object> mPositionViewMap = new HashMap<>();
 
     public CarouselView(Context context) {
         super(context);
@@ -62,7 +65,7 @@ public class CarouselView extends RelativeLayout {
             @Override
             public void onPageSelected(int position) {
 
-//                Log.d("Selected", "onPageSelected: " + position);
+                Log.d("Carousel", "onPageSelected: " + position);
                 mCurrentItem = position;
                 int display_index = mCurrentItem;
                 if (position == 0) {
@@ -74,7 +77,8 @@ public class CarouselView extends RelativeLayout {
 
                     // 代理方法在此调用避免两端点的索引重复出现
                     if (mDelegate != null) {
-                        mDelegate.carouselDidShowItem(self,display_index - 1);
+                        View cell = (View) mPositionViewMap.get(position);
+                        mDelegate.carouselDidShowItem(self,cell,display_index - 1);
                     }
                 }
 
@@ -84,6 +88,7 @@ public class CarouselView extends RelativeLayout {
             @Override
             public void onPageScrollStateChanged(int state) {
 
+                Log.d("Carousel", "onPageScrollStateChanged: " + mCurrentItem);
                 // 解决两端切换时闪屏
                 if (state == ViewPager.SCROLL_STATE_IDLE) {
                     if (mCurrentItem == mPager.getAdapter().getCount() - 1) {
@@ -123,7 +128,7 @@ public class CarouselView extends RelativeLayout {
     public interface CarouselDelegate {
 
         void carouselWillShowItem(CarouselView carousel, View cell, int index);
-        void carouselDidShowItem(CarouselView carousel, int index);
+        void carouselDidShowItem(CarouselView carousel, View cell, int index);
         void carouselWillEndDisplayItem(CarouselView carousel, View cell, int index);
         int  carouselNumberOfItems(CarouselView carousel);
 
@@ -164,6 +169,8 @@ public class CarouselView extends RelativeLayout {
         @Override
         public void destroyItem(ViewGroup container, int position, Object object) {
 
+            Log.d("Carousel", "destroyItem: " + position + " " + object);
+
             View cell = (View) object;
 
             int index = position;
@@ -181,6 +188,8 @@ public class CarouselView extends RelativeLayout {
 
             container.removeView(cell);
             mReusePool.add(cell);
+
+            mPositionViewMap.remove(position);
         }
 
         @Override
@@ -206,6 +215,7 @@ public class CarouselView extends RelativeLayout {
                 index = position - 1;
             }
 
+            Log.d("Carousel", "instantiateItem: " + position + " " + cell);
 
             if (mDelegate!= null) {
                 mDelegate.carouselWillShowItem(self,cell,index);
@@ -213,6 +223,8 @@ public class CarouselView extends RelativeLayout {
 
             container.addView(cell);
 
+            mPositionViewMap.put(position, cell);
+
             return cell;
         }
     }