hyzp_ybqx-Commit136：已经通过修改 flutter_bmfmap_1.0.2，实现加载外部存储中的.png带文本的标识图标

lib/pages/Works/TJXX/tj_data.dart

@@ -1,6 +1,11 @@
+import 'dart:typed_data';
+
+import 'package:flutter/cupertino.dart';
 import 'package:hyzp_ybqx/components/commonFun.dart';
 import 'package:hyzp_ybqx/components/dioFun.dart';
 import 'package:hyzp_ybqx/components/hyxx_data_handle.dart';
+import 'package:hyzp_ybqx/pages/Works/DWDT/dwInfo_data.dart';
+import 'package:hyzp_ybqx/pages/Works/DWDT/widget_to_image.dart';
 import 'package:hyzp_ybqx/services/EventBus.dart';
 
 ///获取车流量日统计数据
@@ -481,10 +486,14 @@ Future startGetStatisDataNew() async {
 
   if (listDwinfoGetList2.isEmpty) {
     //若没有读取点位数据，便需要先读取
-    getThePageList(theHyshlx: 'dwxx').then((value) {
+    getThePageList(theHyshlx: 'dwxx').then((value) async {
       listDwinfoGetList2 = value;
       print('listDwinfoGetList2 = \n$listDwinfoGetList2');
       dwSum = listDwinfoGetList2.length;
+
+      // 百度地图初始化
+      await bmfInit();
+
       //获取记录数据
       getZptjStatisAlone();
       getTodayShtj();
@@ -504,6 +513,9 @@ Future startGetStatisDataNew() async {
       // }
     });
   } else {
+    // 百度地图初始化
+    await bmfInit();
+
     if (mapStatisInfo['今日抓拍'] < 0) {
       //获取记录数据
       getZptjStatisAlone();
@@ -680,3 +692,23 @@ Future getAllSumCll(String field, List listStatis) async {
 }
 
 //////////////////////////////////////////////////////////////////
+// 百度地图初始化
+Future bmfInit() async {
+  g_myIconPathPre = await createDir(g_myIconDir);
+  print("g_myIconPathPre = $g_myIconPathPre");
+  // g_myIconPathPre = /data/user/0/com.example.hyzp_yibin_bmfmap/app_flutter/myIcons
+
+  int len = listDwinfoGetList2.length;
+  for (int i = 0; i < len; i++) {
+    Widget iconWidget = await getIconWidget("${i + 1}、" + listDwinfoGetList2[i]["dwmc"]);
+    ByteData byteData = await widgetToImage(iconWidget);
+    await saveImage(g_myIconDir, "${g_myIconPre}${i + 1}.png", byteData);
+    print("i = $i");
+    if (i == len - 1) {
+      // setState(() {});
+      // runApp(MyApp());
+    }
+  }
+}
+
+//////////////////////////////////////////////////////////////////