1.网络不可用时允许点击网络设置。

2.网络不可用时显示更新策略。

app/src/main/java/com/xhly/manageapp/AppAdapter.kt

 import com.xhly.corelib.eventbus.UIEvent
 import com.xhly.corelib.utils.AppUtils
 import com.xhly.corelib.utils.LogShow
+import com.xhly.corelib.utils.NetworkUtils
 import com.xhly.corelib.utils.SystemUtil
 import com.xhly.manageapp.utils.InstallUtils
 import com.xhly.manageapp.utils.StrategyUtils
                     it.changeCode()
                 }
             }else if (appInfo.packageName.equals(Const.UPDATESTRATEGYPKGNAME)){
-                if (lastTimeLong+20*1000<System.currentTimeMillis()){
-                    lastTimeLong=System.currentTimeMillis()
-                    UIEvent(Const.CODE2004.toString()).post()
-                }else{
-                    Toaster.show(context.getString(R.string.strategyupdatetips))
-                }
+               if (NetworkUtils.isAvailable(context)){
+                   if (lastTimeLong+20*1000<System.currentTimeMillis()){
+                       lastTimeLong=System.currentTimeMillis()
+                       UIEvent(Const.CODE2004.toString()).post()
+                   }else{
+                       Toaster.show(context.getString(R.string.strategyupdatetips))
+                   }
+               }else{
+                   Toaster.show(context.getString(R.string.checknettips))
+               }
             }else if (appInfo.packageName.equals(Const.WIFISEETTINGPKG)){
                 context.startActivity(Intent(Settings.ACTION_WIFI_SETTINGS))
             }else if (appInfo.packageName.equals(Const.STOREAPPPKG)){

app/src/main/java/com/xhly/manageapp/ui/main/activity/MainActivity.kt

 import android.widget.TextView
 import android.widget.Toast
 import androidx.activity.addCallback
+import androidx.appcompat.content.res.AppCompatResources
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.viewModelScope
 import androidx.recyclerview.widget.GridLayoutManager
 
     override fun onResume() {
         super.onResume()
-
+        updateNetErrorAppRv()
         lifecycleScope.launch(Dispatchers.IO){
             try {
                 val json = spUtils.getFromJson(Const.USERINFO, UserBean().javaClass)
 
         }
     }
+     //在网络无连接时显示数据
+    private fun updateNetErrorAppRv(){
+        if (!NetworkUtils.isAvailable(this)&&mBinding.rv.visibility==View.INVISIBLE){
+            //未联网时，默认只显示更新策略图标
+            dataList.clear()
+            dataList.add(CustomAppUtils().getCusomAppBean(
+                getString(R.string.updatestrategy),
+                Const.UPDATESTRATEGYPKGNAME,
+                AppCompatResources.getDrawable(this,R.drawable.icon_updatestrategy)!!
+            ))
+            mBinding.rv.visibility=View.VISIBLE
+            if (adapter == null) {
+                adapter = AppAdapter(this, dataList)
+                adapter?.changePwdListener = getChangeCodeListener()
+                mBinding.rv.adapter = adapter
+            }
+            adapter?.let {
+                it.notifyDataSetChanged()
+            }
+        }
+    }
 
     fun checkAccessibility(context: Context): Boolean {
         // 判断辅助功能是否开启

app/src/main/java/com/xhly/manageapp/utils/CustomAppUtils.kt

         return appList
     }
 
-    private fun getCusomAppBean(name: String, pkg: String, icon: Drawable):AppInfo{
+    public fun getCusomAppBean(name: String, pkg: String, icon: Drawable):AppInfo{
         val appInfo = AppInfo()
         appInfo.name = name
         appInfo.packageName = pkg

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

             android:layout_gravity="bottom|right"
             android:layout_marginRight="10dp"
             android:layout_marginBottom="10dp"
+            android:paddingLeft="10dp"
+            android:paddingTop="10dp"
             android:gravity="center"
             android:orientation="horizontal">
 

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

     <string name="checkcode">密码校验</string>
     <string name="startapptips">应用正在安装，请稍后</string>
     <string name="strategyupdatetips">请求过于频繁，请稍等</string>
+    <string name="checknettips">请检查网络连接是否正常</string>
 </resources>