添加了界面及逻辑

app/src/main/java/com/sw/platecabinet/fragment/BaseFragment.kt

@@ -1,19 +1,23 @@
 package com.sw.platecabinet.fragment
 
+import android.app.Dialog
 import android.os.Bundle
+import android.text.TextUtils
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.TextView
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.ViewModelProvider
 import androidx.viewbinding.ViewBinding
+import com.sw.platecabinet.R
+import com.sw.platecabinet.view.CustomDialog
 
 abstract class BaseFragment<VB : ViewBinding>(
     private val bindingInflater: (inflater: LayoutInflater, parent: ViewGroup?, attachToParent: Boolean) -> VB
 ) : Fragment() {
     private var _binding: VB? = null
     protected val binding get() = _binding!!
+    private var mDialogWaiting: CustomDialog? = null
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -22,16 +26,37 @@ abstract class BaseFragment<VB : ViewBinding>(
     ): View? {
         _binding = bindingInflater(inflater, container, false)
         initialize()
+        registerDataChange()
         return binding.root
     }
 
+    /**
+     * 注册数据变化监听
+     */
+    open fun registerDataChange() {}
+
     abstract fun initialize()
 
-    class ViewModelFactory<T : ViewModel>(private val creator: () -> T) :
-        ViewModelProvider.Factory {
-        override fun <T : ViewModel> create(modelClass: Class<T>): T {
-            return creator() as T
-        }
+    /**
+     * 显示等待提示框
+     */
+    fun showWaitingDialog(tip: String?): Dialog? {
+        hideWaitingDialog()
+        val view = View.inflate(requireContext(), R.layout.dialog_waiting, null)
+        if (!TextUtils.isEmpty(tip)) (view.findViewById<View?>(R.id.tvTip) as TextView).text = tip
+        mDialogWaiting = CustomDialog(requireContext(), view, R.style.MyDialog)
+        mDialogWaiting!!.show()
+        mDialogWaiting!!.setCancelable(true)
+        return mDialogWaiting
+    }
+
+
+    /**
+     * 隐藏等待提示框
+     */
+    fun hideWaitingDialog() {
+        mDialogWaiting?.dismiss()
+        mDialogWaiting = null
     }
 
     override fun onDestroyView() {