fix bug https://github.com/AriaLyy/Aria/issues/608

优化异常提示

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

@@ -1,30 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<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"
-        />
-    <variable
-        name="stateStr"
-        type="String"
-        />
-    <variable
-        name="timeLeft"
-        type="String"
-        />
-
-  </data>
+<layout xmlns:android="http://schemas.android.com/apk/res/android">
 
   <RelativeLayout
       android:layout_width="match_parent"
@@ -32,26 +7,21 @@
       android:orientation="vertical"
       >
 
-    <include layout="@layout/layout_bar"/>
+    <include layout="@layout/layout_bar" />
 
-    <include
-        layout="@layout/layout_content_single"
-        android:id="@+id/content"
-        android:layout_width="wrap_content"
+    <com.arialyy.simple.widget.ProgressLayout
+        android:id="@+id/pl"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_below="@+id/toolbar"
-        bind:fileSize="@{fileSize}"
-        bind:progress="@{progress}"
-        bind:speed="@{speed}"
-        bind:stateStr="@{stateStr}"
-        bind:timeLeft="@{timeLeft}"
+        android:layout_margin="16dp"
         />
 
     <com.arialyy.simple.widget.SubStateLinearLayout
         android:id="@+id/child_list"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:layout_below="@+id/content"
+        android:layout_below="@+id/pl"
         android:paddingLeft="16dp"
         android:paddingRight="16dp"
         />

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

@@ -53,6 +53,7 @@
         android:layout_alignTop="@+id/speed_or_state"
         android:layout_alignParentEnd="true"
         android:layout_alignParentRight="true"
+        android:text="-/-"
         android:textSize="@dimen/text_size_smallest"
         tools:ignore="RelativeOverlap"
         />