修改状态栏

 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

@@ -64,7 +64,7 @@ abstract class BaseActivity : AppCompatActivity() {
         }
 //        EventBus.getDefault().register(this)
 
-        ImmersionBar.with(this).transparentStatusBar().init()
+        ImmersionBar.with(this).transparentStatusBar().statusBarDarkFont(false).init()
 //            .transparentNavigationBar()  //透明导航栏，不写默认黑色(设置此方法，fullScreen()方法自动为true)
 //            .transparentBar().navigationBarDarkIcon(true)
     }

@@ -13,6 +13,7 @@ import androidx.recyclerview.widget.RecyclerView
 import com.br_technology.securitytrain_master.R
 import com.br_technology.securitytrain_master.databinding.FragmentHomeBinding
 import com.br_technology.securitytrain_master.ui.home.activity.DatabaseActivity
+import com.br_technology.securitytrain_master.ui.home.activity.OnlineActivity
 import com.br_technology.securitytrain_master.ui.home.activity.SearchActivity
 import com.br_technology.securitytrain_master.ui.home.activity.TextCourseActivity
 import com.br_technology.securitytrain_master.ui.home.adapter.RecommendDataAdapter
@@ -23,6 +24,8 @@ import com.br_technology.securitytrain_master.ui.home.viewmodel.MineViewModel
 import com.bumptech.glide.Glide
 import com.bumptech.glide.load.resource.bitmap.RoundedCorners
 import com.bumptech.glide.request.RequestOptions
+import com.gyf.immersionbar.ImmersionBar
+import com.gyf.immersionbar.components.SimpleImmersionOwner
 import com.wjx.android.wanandroidmvvm.base.view.BaseLifeCycleFragment
 import com.youth.banner.Banner
 import com.youth.banner.adapter.BannerAdapter
@@ -37,7 +40,7 @@ import com.youth.banner.indicator.CircleIndicator
  * des:
  */
 class HomeFragment :
-    BaseLifeCycleFragment<MineViewModel, FragmentHomeBinding>(FragmentHomeBinding::inflate) {
+    BaseLifeCycleFragment<MineViewModel, FragmentHomeBinding>(FragmentHomeBinding::inflate) ,SimpleImmersionOwner{
     override fun initDataObserver() {
 
     }
@@ -181,6 +184,13 @@ class HomeFragment :
 
     }
 
+    override fun initImmersionBar() {
+    }
+
+    override fun immersionBarEnabled(): Boolean {
+        return true
+    }
+
 }
 //class HomeFragment : Fragment() {
 //    override fun onCreateView(

@@ -34,12 +34,16 @@ class MainActivity :
 
             home.setOnClickListener {
                 viewPage.currentItem = 0
+                ImmersionBar.with(this@MainActivity).statusBarDarkFont(false).init();
             }
             questionBank.setOnClickListener {
                 viewPage.currentItem = 1
+                ImmersionBar.with(this@MainActivity).statusBarDarkFont(true).init();
             }
             mine.setOnClickListener {
                 viewPage.currentItem = 2
+                ImmersionBar.with(this@MainActivity).statusBarDarkFont(false).init();
+
             }
         }
     }

@@ -3,4 +3,4 @@
     android:id="@+id/status_bar"
     android:layout_width="match_parent"
     android:layout_height="24dp"
-    android:background="@color/color_25" />
\ No newline at end of file
+    android:background="@android:color/transparent" />
\ No newline at end of file