任务组bug fix

app/src/main/res/layout/fragment_download.xml

@@ -1,12 +1,35 @@
 <?xml version="1.0" encoding="utf-8"?>
-<layout xmlns:android="http://schemas.android.com/apk/res/android">
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:bind="http://schemas.android.com/apk/res-auto"
+    >
+
+  <data>
+    <variable
+        name="fileSize"
+        type="String"
+        />
+    <variable
+        name="speed"
+        type="String"
+        />
+    <variable
+        name="progress"
+        type="int"
+        />
+  </data>
+
   <LinearLayout
       android:layout_width="match_parent"
       android:layout_height="match_parent"
       android:orientation="vertical"
       >
 
-    <include layout="@layout/dialog_download"/>
+    <include
+        layout="@layout/dialog_download"
+        bind:fileSize="@{fileSize}"
+        bind:progress="@{progress}"
+        bind:speed="@{speed}"
+        />
 
   </LinearLayout>
 </layout>