pro版本添加自定义启动画面

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

@@ -7,6 +7,16 @@
     android:layout_height="match_parent"
     android:gravity="center_horizontal">
 
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/tv_legado"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintVertical_bias="0.4"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toTopOf="@+id/iv_book">
+
         <View
             android:id="@+id/vw_title_line"
             android:layout_width="6dp"
@@ -14,34 +24,36 @@
             android:background="@color/accent"
             app:layout_constraintTop_toTopOf="@+id/tv_title"
             app:layout_constraintBottom_toBottomOf="@+id/tv_title"
-        app:layout_constraintLeft_toLeftOf="@id/iv_book" />
+            app:layout_constraintLeft_toLeftOf="parent" />
 
         <io.legado.app.ui.widget.text.AccentTextView
             android:id="@+id/tv_title"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:layout_marginLeft="6dp"
             android:ems="1"
             android:text="阅读"
             android:textSize="49sp"
-        app:layout_constraintVertical_bias="0.3"
             app:layout_constraintRight_toLeftOf="@+id/tv_sub_title"
             app:layout_constraintLeft_toRightOf="@+id/vw_title_line"
             app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintBottom_toTopOf="@+id/iv_book"
-        tools:ignore="HardcodedText" />
+            tools:ignore="HardcodedText,RtlHardcoded" />
 
         <io.legado.app.ui.widget.text.AccentTextView
             android:id="@+id/tv_sub_title"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="60dp"
+            android:layout_marginLeft="6dp"
             android:ems="1"
             android:text="享受美好时光"
             android:textSize="16sp"
             app:layout_constraintTop_toTopOf="@+id/tv_title"
             app:layout_constraintLeft_toRightOf="@id/tv_title"
-        app:layout_constraintRight_toRightOf="@id/iv_book"
-        tools:ignore="HardcodedText" />
+            tools:ignore="HardcodedText,RtlHardcoded" />
+
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
 
     <ImageView
         android:id="@+id/iv_book"