应用程式已在Googleplaystore上运行时出现问题

如何解决应用程式已在Googleplaystore上运行时出现问题

我在playstore上有我的！我创建的abb文件意味着捆绑并将其上传到playstore！ 但是，一些用户报告说应用程序崩溃了！ 在游戏机上，我看到了！可能是什么问题？ 我无法在手机上产生错误！

android.runtime.JavaProxyThrowable: at EssentialUIKit.Views.LoginMainPage.button_click (System.Object sender,System.EventArgs e) [0x000eb] in <dd89ab5987f348e3a107964f083c30c9>:0
at System.Runtime.CompilerServices.AsyncmethodBuilderCore+<>c.<ThrowAsync>b__7_0 (System.Object state) [0x00000] in <4799ff6d5af74680947c128f04c5aac7>:0
at Android.App.SyncContext+<>c__displayClass2_0.<Post>b__0 () [0x00000] in <251f579ce98f4e919a60c874b3bc7ec1>:0
at java.lang.Thread+RunnableImplementor.Run () <0x7387509b30 + 0x0004b> in <251f579ce98f4e919a60c874b3bc7ec1>:0
at java.lang.IRunnableInvoker.n_Run (system.intPtr jnienv,system.intPtr native__this) [0x00008] in <251f579ce98f4e919a60c874b3bc7ec1>:0
at (wrapper dynamic-method) Android.Runtime.DynamicmethodNameCounter.45(intptr,intptr)
  at mono.java.lang.RunnableImplementor.n_run (Native Method)
  at mono.java.lang.RunnableImplementor.run (UnkNown Source)
  at android.os.Handler.handleCallback (Handler.java:873)
  at android.os.Handler.dispatchMessage (Handler.java:99)
  at android.os.Looper.loop (Looper.java:201)
  at android.app.ActivityThread.main (ActivityThread.java:6864)
  at java.lang.reflect.Method.invoke (Native Method)
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:547)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:873)

这是我的登录主页的代码！ 如果需要，它是xaml.cs文件，我也可以添加xaml文件！

using EssentialUIKit.Models;
using Flurl.Http;
using Newtonsoft.Json;
using Plugin.Connectivity;
using sqlite;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using Xamarin.Essentials;
using Xamarin.Forms;
using Xamarin.Forms.Xaml;

namespace EssentialUIKit.Views
{
    [XamlCompilation(XamlCompilationoptions.Compile)]
    public partial class LoginMainPage : ContentPage
    {
        public sqliteConnection conn;
        string Pwd,UID;
        string CompanyId,CompanyName,baselink,GpId;
     
        public LoginMainPage()
        {
            InitializeComponent();
            conn = DependencyService.Get<Isqlite>().GetConnection();
            conn.CreateTable<AuthModel>();
            conn.CreateTable<ButtonHiderCounter>();
            conn.CreateTable<UserInfo>();

            var seconds = TimeSpan.FromSeconds(2);
            Device.StartTimer(seconds,() =>
            {
                CheckConnection();
                return false;
            });

            var count = (from y in conn.Table<AuthModel>() select y.Id).ToList();
            if (count.Count() == 0)
            {
                auth.IsVisible = true;
            }
            else if (count.Count() > 0)
            {
                auth.IsVisible = false;
                chnglbl.IsVisible = true;
                CompanyPicker.IsVisible = true;
                CmpnyBorder.IsVisible = true;
                CallCompanyApi();
               
            }

            UserIdEntry.TextChanged += Userid_change;
            PasswordEntry.TextChanged += PWd_change;

        }
        private void CheckConnection()
        {
            if (!CrossConnectivity.Current.IsConnected)
            {
                Device.BeginInvokeOnMainThread(() =>
                {
                    displayAlert("Alert","You need an active internet connection! Please try again after connecting to the internet.","OK");
                });
            }
            else
                return;
        }

        void Userid_change(object sender,TextChangedEventArgs e)
        {
            var OldText = e.OldTextValue;
            var newText = e.NewTextValue;
            UID = newText;
        }

        void PWd_change(object sender,TextChangedEventArgs e)
        {
            var oldText = e.OldTextValue;
            var newText = e.NewTextValue;
            Pwd = newText;
        }

        async void CallCompanyApi()
        {
            var Aa = (from y in conn.Table<AuthModel>() select y.BaseLink).ToList();
            baselink = Aa.SingleOrDefault();

            var Cc = (from y in conn.Table<AuthModel>() select y.GroupId).ToList();
            GpId = Cc.SingleOrDefault();


            string urlx = baselink + "/organizations/company/getcbobycompanygroup?companyGroupId=" + GpId;
            var data = await urlx.GetJsonAsync<List<MyClass>>();
            CompanyPicker.DataSource = data;
            CompanyPicker.displayMemberPath = "Text";
            CompanyPicker.SelectionChanged += PickerSelect;

        }
        protected void PickerSelect(object sender,Syncfusion.XForms.ComboBox.SelectionChangedEventArgs e)
        {
            var item = (MyClass)CompanyPicker.SelectedItem;
            var x = item.Value;
            var y = item.Text;
            CompanyId = x;
            CompanyName = y;

            var valx = (from yx in conn.Table<ButtonHiderCounter>() select yx.Id).ToList();

            ButtonHiderCounter data = new ButtonHiderCounter();
            ButtonHiderCounter datax = new ButtonHiderCounter();
          
            data.CompanyName = CompanyName;
            data.CompanyId = CompanyId;
            if (valx.Count() == 0)
            {
                conn.Insert(data);
            }
            else if (valx.Count() > 0)
            {
                Int64 id = valx.SingleOrDefault();
                datax.CompanyName = CompanyName;
                datax.CompanyId = CompanyId;
                datax.Id = id;
                conn.Update(data);
            }

        }


        private async void AuthClick(object sender,EventArgs e)
        {
            await Navigation.PushAsync(new AuthPage());
        }
        private async void button_click(object sender,EventArgs e)
        {
            if (UID != null && Pwd != null)
            {
                var current = Connectivity.NetworkAccess;

                if (current == NetworkAccess.Internet)
                {
                                       
                    var Bb = (from y in conn.Table<AuthModel>() select y.AuthenticationToken).ToList();
                    string AToken = Bb.SingleOrDefault();
                    
                    var Dd = (from y in conn.Table<ButtonHiderCounter>() select y.CompanyName).ToList();
                   string CmpName = Dd.SingleOrDefault();
                    
                    var Ee = (from y in conn.Table<ButtonHiderCounter>() select y.CompanyId).ToList();
                    string CmpID = Ee.SingleOrDefault();

                    var split = baselink.Split('/');
                    string Groupname = split[3];
                    
                    string url = baselink + "/api/Security/GetLogin?timezoneoffset=&&userId=" +UID+ "&&password="+ Pwd + "&&remember=null&&authenticationToken=" + AToken + "&&groupId=" + GpId + "&&groupName=" + Groupname + "&&companyId=" + CmpID +
                    "&&companyName=" + CmpName + "&&appId=1";

                
                    string Status="",IsSysadmin;
                
                    HttpClient client = new HttpClient();
                   
                    var request = await client.GetStringAsync(url);
                    var response = JsonConvert.DeserializeObject<LoginModel>(request);
                    Status = response.Status;
                     IsSysadmin = response.IsSysAdmin;
               
                    try
                    {
                        if (Status.Equals("Success"))
                        {
                            UserInfo User = new UserInfo();
                            int x = 0;
                            var xy = (from y in conn.Table<UserInfo>() select y.Id).ToList();
                            if (xy.Count() == 0)
                            {
                                User.UserId = UID;
                                User.Password = Pwd;
                                User.IsSysAdmin = IsSysadmin;
                                x = conn.Insert(User);
                            }
                            else
                            {
                                var id = xy.SingleOrDefault();
                                UserInfo Userx = new UserInfo();
                                Userx.UserId = UID;
                                Userx.Password = Pwd;
                                Userx.IsSysAdmin = IsSysadmin;
                                Userx.Id = id;
                                x = conn.Update(Userx);

                            }

                            if (x == 1)
                            {
                                await Navigation.PushAsync(new HomePage());
                            }
                        }
                        else
                        {
                            Device.BeginInvokeOnMainThread(async () =>
                            {
                                await displayAlert("Alert","Invalid Credentials Added","Ok");
                            });
                        }

                    }
                    catch (Exception ex)
                    {

                        Device.BeginInvokeOnMainThread(async () =>
                        {
                            await displayAlert("Alert","Ok");
                        });
                        throw ex;
                    }
                }
                else
                {
                    Device.BeginInvokeOnMainThread(() =>
                    {
                        displayAlert("Alert","OK");
                    });
                }
            }
            else
            {
                Device.BeginInvokeOnMainThread(async () =>
                {
                    await displayAlert("Alert","You have to choose required fields","OK");
                });
            }

        }
    }
}

我不确定是什么原因引起的！