hyzp_ybqx-Commit018：解决 hyzp_ybqx00_yibin 页面点击“客服热线”没有响应的问题

lib/pages/tabs/page4_myMsics_new.dart

@@ -13,6 +13,7 @@ import 'package:hyzp_ybqx00_yibin/pages/tabs/page5_userManager.dart';
 import 'package:hyzp_ybqx00_yibin/widget/JdButton.dart';
 import 'package:package_info/package_info.dart';
 import 'package:path_provider/path_provider.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 import '../../components/commonFun.dart';
 import '../../components/customDialogF.dart';
@@ -257,27 +258,27 @@ class _Page4_MyMsicsNewState extends State<Page4_MyMsicsNew>
                         //crossAxisAlignment: CrossAxisAlignment.start, //用的比较少
                         children: <Widget>[
                           FlatButton(
-                              child: Container(
-                                child: Row(
-                                  children: [
-                                    Padding(
-                                      padding: EdgeInsets.only(top: ScreenUtil().setHeight(10)),
-                                      child: 0 == service_tel.length
-                                          ? Text("")
-                                          : Image.asset(
-                                              'assets/images/形状 2.png',
-                                              height: ScreenUtil().setHeight(45),
-                                            ),
-                                    ),
-                                    Text(
-                                        0 == service_tel.length ? "                     " : " 客服热线",
-                                        style: TextStyle(fontSize: 16, color: Colors.white)),
-                                  ],
-                                ),
-                              ),
-                              onPressed: () {}
-                              // onPressed: () => launch("tel://18784678300"),
+                            child: Container(
+                              child: Row(
+                                children: [
+                                  Padding(
+                                    padding: EdgeInsets.only(top: ScreenUtil().setHeight(10)),
+                                    child: 0 == service_tel.length
+                                        ? Text("")
+                                        : Image.asset(
+                                            'assets/images/形状 2.png',
+                                            height: ScreenUtil().setHeight(45),
+                                          ),
+                                  ),
+                                  Text(0 == service_tel.length ? "                     " : " 客服热线",
+                                      style: TextStyle(fontSize: 16, color: Colors.white)),
+                                ],
                               ),
+                            ),
+                            onPressed: 0 == service_tel.length
+                                ? onNullFun
+                                : () => launch("tel://18784678300"),
+                          ),
                           SizedBox(
                             width: ScreenUtil().setWidth(45),
                           ),