增加初始化功能

app/src/main/java/com/shuwei/intelligent/shelves/App.kt

@@ -1,8 +1,10 @@
 package com.shuwei.intelligent.shelves
 
 import android.app.Application
+import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
+import android.content.SharedPreferences
 import com.shuwei.intelligent.shelves.utils.BootReceiver
 
 /**
@@ -10,14 +12,8 @@ import com.shuwei.intelligent.shelves.utils.BootReceiver
  * @date: 2022-04-26
  */
 class App : Application() {
-
-    //从接口获取
-    var accessToken: String = ""
         //"eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJjYW50ZWVuSWQiOiIiLCJ0eXBlIjoiNiIsInVzZXJJZCI6IjE2NzgyMjY1NTI5MzE1NDkxODYifQ.CQmbELpqT6QzvVCgCeirwvSvPp8Mhft_h6b1Af574Co"
 
-    var deviceId:String = ""
-    var canteenId:String = ""
-
     override fun onCreate() {
         super.onCreate()
         app = this
@@ -27,9 +23,26 @@ class App : Application() {
 
     companion object {
         private lateinit var app: App
+        var canteenId = "0"
+        var appVersion = "1"
+        var configUrl = ""
+
+        //从接口获取
+        var accessToken: String = ""
+
+        var deviceId: String = ""
+        @Volatile
+        private var sharedPref: SharedPreferences? = null
 
         fun getInstance(): App {
             return app
         }
+        fun getSharedPref(): SharedPreferences? {
+            if (sharedPref != null) {
+                return sharedPref
+            }
+            sharedPref = app.getSharedPreferences("sp_intelligent_shelves", Context.MODE_PRIVATE)
+            return sharedPref
+        }
     }
 }