增加离线地图下载流程

app/src/main/java/com/navinfo/omqs/bean/LoginUserBean.kt

@@ -0,0 +1,6 @@
+package com.navinfo.omqs.bean
+
+data class LoginUserBean(
+    var username: String = "",
+    var password: String = ""
+)

app/src/main/java/com/navinfo/omqs/bean/OfflineMapCityBean.kt

@@ -0,0 +1,32 @@
+package com.navinfo.omqs.bean
+
+data class OfflineMapCityBean(
+    val id: String,
+    val fileName: String,
+    val name: String,
+    val url: String,
+    val version: Long,
+    val fileSize: Long,
+    var currentSize:Long = 0,
+    var status:Int = NONE
+) {
+    companion object Status{
+        const val NONE = 0 //无状态
+        const val WAITING = 1 //等待中
+        const val LOADING = 2 //下载中
+        const val PAUSE = 3 //暂停
+        const val ERROR = 4 //错误
+        const val DONE = 5 //完成
+        const val UPDATE = 6 //有新版本要更新
+    }
+    fun getFileSizeText(): String {
+        return if (fileSize < 1024.0)
+            "$fileSize B"
+        else if (fileSize < 1048576.0)
+            "%.2f K".format(fileSize / 1024.0)
+        else if (fileSize < 1073741824.0)
+            "%.2f M".format(fileSize / 1048576.0)
+        else
+            "%.2f M".format(fileSize / 1073741824.0)
+    }
+}