feat: 增加数据导入

app/src/main/java/com/navinfo/omqs/ui/activity/BaseActivity.kt

@@ -1,16 +1,38 @@
 package com.navinfo.omqs.ui.activity
 
+import android.app.Dialog
 import android.content.pm.ActivityInfo
 import android.os.Bundle
 import android.os.PersistableBundle
+import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
+import com.google.android.material.R
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 
 /**
  * 基类
  */
 open class BaseActivity : AppCompatActivity() {
+    private var loadingDialog: AlertDialog? = null
     override fun onCreate(savedInstanceState: Bundle?) {
         requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE//横屏
         super.onCreate(savedInstanceState)
     }
+
+    /**
+     * 显示loading dialog
+     */
+    fun showLoadingDialog(message: String) {
+        loadingDialog?.dismiss()
+        loadingDialog = MaterialAlertDialogBuilder(
+            this@BaseActivity, R.style.MaterialAlertDialog_Material3).setMessage(message).setCancelable(false).show()
+    }
+
+    /**
+     * 隐藏loading dialog
+     * */
+    fun hideLoadingDialog() {
+        loadingDialog?.dismiss()
+        loadingDialog = null
+    }
 }