高亮选中菜单项

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

@@ -36,7 +36,8 @@
         android:layout_height="wrap_content"
         android:background="?android:attr/windowBackground"
         android:textAlignment="gravity"
-        app:itemTextColor="@color/colorAccent"
+        app:itemTextAppearanceActive="@style/selected_menu"
+        app:itemTextAppearanceInactive="@style/unselected_menu"
         app:labelVisibilityMode="labeled"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintLeft_toLeftOf="parent"

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

@@ -5,4 +5,5 @@
     <color name="colorAccent">#03DAC5</color>
     <color name="colorBlack">#000000</color>
     <color name="button_unchecked">#00BCD4</color>
+    <color name="colorYellow">#FFEB3B</color>
 </resources>

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

@@ -8,6 +8,17 @@
         <item name="colorAccent">@color/colorAccent</item>
     </style>
 
+
+    <style name="selected_menu">
+        <item name="android:textColor">@color/colorPrimary</item>
+        <item name="android:textSize">20sp</item>
+    </style>
+
+    <style name="unselected_menu">
+        <item name="android:textColor">@color/colorBlack</item>
+        <item name="android:textSize">16sp</item>
+    </style>
+
     <style name="AppTheme.NoActionBar">
         <item name="windowActionBar">false</item>
         <item name="windowNoTitle">true</item>