优化

app/src/main/res/layout/item_1line_text_and_del.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    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"
@@ -13,14 +14,16 @@
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_weight="1"
-        android:singleLine="true" />
+        android:singleLine="true"
+        android:textColor="@color/primaryText" />
 
     <ImageView
         android:id="@+id/iv_delete"
         android:layout_width="24dp"
         android:layout_height="24dp"
+        android:contentDescription="@string/delete"
         android:src="@drawable/ic_clear_all"
         android:visibility="gone"
-        android:contentDescription="@string/delete" />
+        app:tint="@color/primaryText" />
 
 </LinearLayout>

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

@@ -52,6 +52,7 @@
         android:padding="3dp"
         android:hint="@string/no_group"
         android:textSize="12sp"
+        android:textColor="@color/secondaryText"
         android:singleLine="true"
         android:layout_marginTop="8dp"
         app:layout_constraintLeft_toRightOf="@+id/checkbox"
@@ -66,6 +67,7 @@
         android:background="?attr/selectableItemBackgroundBorderless"
         android:padding="10dp"
         android:text="@string/group"
+        android:textColor="@color/secondaryText"
         app:layout_constraintTop_toBottomOf="@id/tv_author"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintRight_toLeftOf="@+id/tv_delete" />
@@ -77,6 +79,7 @@
         android:background="?attr/selectableItemBackgroundBorderless"
         android:padding="10dp"
         android:text="@string/delete"
+        android:textColor="@color/secondaryText"
         app:layout_constraintTop_toBottomOf="@id/tv_author"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintRight_toRightOf="parent" />

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

@@ -1,17 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tool="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:background="@color/background"
-    android:padding="8dp"
     android:gravity="center_vertical"
-    android:orientation="horizontal">
+    android:orientation="horizontal"
+    android:padding="8dp">
 
     <TextView
         android:id="@+id/tv_group"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_weight="1" />
+        android:layout_weight="1"
+        android:textColor="@color/secondaryText"
+        tool:text="group" />
 
     <TextView
         android:id="@+id/tv_edit"
@@ -19,7 +22,8 @@
         android:layout_height="wrap_content"
         android:background="?attr/selectableItemBackground"
         android:padding="8dp"
-        android:text="@string/edit" />
+        android:text="@string/edit"
+        android:textColor="@color/secondaryText" />
 
     <io.legado.app.lib.theme.view.ATESwitch
         android:id="@+id/sw_show"