添加了界面及逻辑

app/src/main/java/com/sw/platecabinet/activity/MainActivity.kt

@@ -15,6 +15,7 @@ import com.sw.platecabinet.utils.FragmentHelper
 
 class MainActivity : BaseActivity<ActivityMainBinding>() {
     private lateinit var fragmentHelper: FragmentHelper
+    private var pageType = PageType.SETTING_LIST
 
     override fun inflateViewBinding(): ActivityMainBinding {
         return ActivityMainBinding.inflate(layoutInflater)
@@ -43,7 +44,7 @@ class MainActivity : BaseActivity<ActivityMainBinding>() {
     override fun initialize() {
         val param = intent.getStringExtra(PARAM_PAGE_TYPE)
         val equipmentUserInfo = intent.getParcelableExtra<EquipmentUserInfo>(PARAM_EQUIPMENT_INFO)
-        val pageType = param?.let { PageType.valueOf(param) } ?: PageType.SETTING_LIST
+        pageType = param?.let { PageType.valueOf(param) } ?: PageType.SETTING_LIST
         fragmentHelper = FragmentHelper(supportFragmentManager, R.id.fragment_container)
         val page = when (pageType) {
             PageType.SETTING_LIST -> SettingListFragment()
@@ -54,6 +55,16 @@ class MainActivity : BaseActivity<ActivityMainBinding>() {
         }
         fragmentHelper.addFragment(page)
     }
+
+    override fun onLeftDoubleClick() {
+        if (pageType == PageType.SETTING_LIST) {
+            finish()
+        }
+    }
+
+    override fun onRightDoubleClick() {
+
+    }
 }
 
 /**