feat: 优化代码

app/src/main/AndroidManifest.xml

@@ -107,6 +107,20 @@
                 android:resource="@xml/shortcuts"
                 android:launchMode="singleTask" />
         </activity>
+        <!--图标6-->
+        <activity
+            android:name=".ui.welcome.Launcher6"
+            android:icon="@mipmap/launcher6"
+            android:enabled="false">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+            <meta-data
+                android:name="android.app.shortcuts"
+                android:resource="@xml/shortcuts"
+                android:launchMode="singleTask" />
+        </activity>
         <!--主界面-->
         <activity
             android:name=".ui.main.MainActivity"

app/src/main/java/io/legado/app/ui/welcome/WelcomeActivity.kt

@@ -60,4 +60,5 @@ class Launcher1 : WelcomeActivity()
 class Launcher2 : WelcomeActivity()
 class Launcher3 : WelcomeActivity()
 class Launcher4 : WelcomeActivity()
-class Launcher5 : WelcomeActivity()
+class Launcher5 : WelcomeActivity()
+class Launcher6 : WelcomeActivity()

app/src/main/res/mipmap-anydpi-v26/launcher6.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher7_b" />
+    <foreground android:drawable="@drawable/ic_launcher7" />
+</adaptive-icon>

app/src/main/res/values/array_values.xml

@@ -8,6 +8,7 @@
         <item>launcher3</item>
         <item>launcher4</item>
         <item>launcher5</item>
+        <item>launcher6</item>
     </string-array>
 
     <string-array name="screen_time_out_value">

app/src/main/res/values/arrays.xml

@@ -81,6 +81,7 @@
         <item>icon3</item>
         <item>icon4</item>
         <item>icon5</item>
+        <item>icon6</item>
     </string-array>
 
     <string-array name="chinese_mode">