Apex Mobile

优化KPI 模块，解决滚动到边界时会卡顿，闪烁的问题。

Apex Mobile/app/src/main/java/com/usai/apex/mainframe/KPIFragment.java

@@ -157,18 +157,22 @@ public class KPIFragment extends Fragment implements KPICell.KPIListener {
 
             @Override
             public void onPageSelected(int position) {
+
+                currentKPI = position;
+                int display_index = currentKPI;
                 Log.d("KPI", "onPageSelected: " + position);
                 if (position == 0) {
-                    currentKPI = totalKPI;
-                    mKPIPager.setCurrentItem(currentKPI,false);
+                    display_index = totalKPI;
+//                    mKPIPager.setCurrentItem(currentKPI,false);
                 } else if (position == totalKPI + 1) {
-                    currentKPI = 1;
-                    mKPIPager.setCurrentItem(currentKPI,false);
-                } else  {
-                    currentKPI = position;
+                    display_index = 1;
+//                    mKPIPager.setCurrentItem(currentKPI,false);
+                } else
+                    {
+                        display_index = position;
                 }
                 if (mScrollListener != null) {
-                    mScrollListener.KPIPagerDidScrollToPage(currentKPI);
+                    mScrollListener.KPIPagerDidScrollToPage(display_index);
                 }
 
             }
@@ -176,7 +180,16 @@ public class KPIFragment extends Fragment implements KPICell.KPIListener {
             @Override
             public void onPageScrollStateChanged(int state) {
                 Log.d("KPI", "onPageScrollStateChanged: " + state);
-            }
+
+                if (state == ViewPager.SCROLL_STATE_IDLE) {
+                    if (currentKPI == mKPIPager.getAdapter().getCount() - 1) {
+                        mKPIPager.setCurrentItem(1, false);
+                    }
+                    else if (currentKPI == 0) {
+                        mKPIPager.setCurrentItem(mKPIPager.getAdapter().getCount() - 2, false);
+                    }
+                }
+                }
         });
 
         mSwipeRefresh.setEnabled(true);
@@ -223,7 +236,8 @@ public class KPIFragment extends Fragment implements KPICell.KPIListener {
         if (show) {
 //            bar.setDisplayShowTitleEnabled(true);
             if (totalKPI > 0) {
-                ((Activity)ctx).setTitle(currentKPI + "/" + totalKPI);
+                int display_index = currentKPI % mKPIArr.size()==0?mKPIArr.size():currentKPI % mKPIArr.size();
+                ((Activity)ctx).setTitle(display_index + "/" + totalKPI);
             } else {
                 ((Activity)ctx).setTitle(null);
             }