1.解决二级+添加界面快速按返回键，退回界面，光标丢失问题

app/src/main/java/com/ik/mboxlauncher/ui/fragment/CategoryFragment.java

@@ -53,6 +53,8 @@ public abstract class CategoryFragment extends BaseFragment implements AppnetCal
     protected static final int LOCAL_CATEGORY=3;
     protected static final int APPS_CATEGORY=4;
     protected Map<String,String>  collectAppMap=new HashMap();
+    private Runnable customFocusRunnable;
+
     @Override
     protected int getLayoutResourceId() {
         return R.layout.layout_category_app;
@@ -236,18 +238,22 @@ public abstract class CategoryFragment extends BaseFragment implements AppnetCal
         translateAnimation.setDuration(300);
         translateAnimation.setFillAfter(true);
         content_view.startAnimation(translateAnimation);
-        handler.postDelayed(new Runnable() {
-            @Override
-            public void run() {
-                coustom_view.requestFocus();
-            }
-        },800);
+        if(customFocusRunnable==null){
+            customFocusRunnable = new Runnable() {
+                @Override
+                public void run() {
+                    coustom_view.requestFocus();
+                }
+            };
+        }
+        handler.postDelayed(customFocusRunnable,800);
 
 
     }
 
 
     private void dismissCustomApp(){
+        handler.removeCallbacks(customFocusRunnable);
         cuttentModel = MODEL_NORMAL;
         disableFreshData=false;
         LogUtils.loge("coustom_view.getHeight():"+coustom_view.getLayoutParams().height);