[mobile] add progress for wallpaper

app/src/main/res/color/nav.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:color="@color/accent" android:state_checked="true" />
-    <item android:color="@color/black_50" android:state_checked="false" />
+    <item android:color="@color/white" android:state_checked="false" />
 </selector>

app/src/mobile/java/com/fongmi/android/tv/ui/fragment/SettingFragment.java

@@ -113,6 +113,7 @@ public class SettingFragment extends BaseFragment implements ConfigCallback, Sit
                 LiveConfig.get().clear().config(config).load(getCallback(config));
                 break;
             case 2:
+                Notify.progress(getActivity(), true);
                 mBinding.wallUrl.setText(config.getUrl());
                 WallConfig.get().clear().config(config).load(getCallback(config));
                 break;
@@ -149,6 +150,7 @@ public class SettingFragment extends BaseFragment implements ConfigCallback, Sit
                 mBinding.liveUrl.setText(LiveConfig.getUrl());
                 break;
             case 2:
+                Notify.dismiss();
                 mBinding.wallUrl.setText(WallConfig.getUrl());
                 break;
         }

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

@@ -16,7 +16,7 @@
         android:layout_width="match_parent"
         android:layout_height="56dp"
         android:layout_alignParentBottom="true"
-        android:background="@color/white_10"
+        android:background="@color/white_20"
         app:elevation="0dp"
         app:itemIconTint="@color/nav"
         app:itemTextColor="@color/white"