[mobile] adjust full layout

app/src/main/java/com/fongmi/android/tv/bean/Vod.java

@@ -199,7 +199,11 @@ public class Vod {
     }
 
     public boolean isFolder() {
-        return getVodTag().equals("folder") || getVodTag().equals("cover");
+        return getVodTag().equals("folder");
+    }
+
+    public boolean isComic() {
+        return getVodTag().equals("comic");
     }
 
     public Style getStyle(Style style) {

app/src/mobile/res/layout/adapter_vod_full.xml

@@ -3,13 +3,14 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
+    android:layout_height="wrap_content"
     android:layout_margin="8dp">
 
     <com.google.android.material.imageview.ShapeableImageView
         android:id="@+id/image"
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
+        android:layout_height="wrap_content"
+        android:adjustViewBounds="true"
         android:background="@color/black_20"
         android:scaleType="center"
         app:shapeAppearanceOverlay="@style/Vod.Grid"