3

iPhone Debug Simulator modusでアプリを実行すると、問題なく動作します。iPhoneリリースシミュレーターモードでアプリを実行すると、クラッシュします。

誰かがこれを解決することを知っていますか？

エラーログ：

Terminating runtime due to unhandled exception

Unhandled Exception:
0   IOS_UI                              0x0008edfe mono_handle_exception_internal_first_pass + 2190
1   IOS_UI                              0x00090842 mono_handle_exception_internal + 1602
2   IOS_UI                              0x0009138f mono_handle_exception + 47
3   IOS_UI                              0x000d3564 handle_signal_exception + 148
4   ???                                 0x0b4b12c1 0x0 + 189469377
at (wrapper runtime-invoke) object.runtime_invoke_void__this__ (object,intptr,intptr,intptr) <IL 0x00047, 0x00071>
6   IOS_UI                              0x00009d92 mono_jit_runtime_invoke + 722
7   IOS_UI                              0x0016c50e mono_runtime_invoke + 126
8   IOS_UI                              0x0020f156 monotouch_trampoline + 3686
9   UIKit                               0x02805817 -[UIViewController loadViewIfRequired] + 536
10  UIKit                               0x02805882 -[UIViewController view] + 33
at (wrapper managed-to-native) MonoTouch.ObjCRuntime.Messaging.IntPtr_objc_msgSendSuper (intptr,intptr) <IL 0x0000a, 0x00030>
at MonoTouch.UIKit.UIViewController.get_View () [0x00030] in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIViewController.g.cs:976
at IOS_UI.SettingsScreen..ctor (IOS_UI.HomeScreen) <IL 0x00014, 0x00032>
at IOS_UI.HomeScreen.ViewDidLoad () <IL 0x00119, 0x00318>
at (wrapper runtime-invoke) object.runtime_invoke_void__this__ (object,intptr,intptr,intptr) <IL 0x00047, 0x00071>
16  IOS_UI                              0x00009d92 mono_jit_runtime_invoke + 722
17  IOS_UI                              0x0016c50e mono_runtime_invoke + 126
18  IOS_UI                              0x0020f156 monotouch_trampoline + 3686
19  UIKit                               0x02805817 -[UIViewController loadViewIfRequired] + 536
20  UIKit                               0x02805882 -[UIViewController view] + 33
21  UIKit                               0x02805b2a -[UIViewController contentScrollView] + 36
22  UIKit                               0x0281cef5 -[UINavigationController _computeAndApplyScrollContentInsetDeltaForViewController:] + 36
23  UIKit                               0x0281cfdb -[UINavigationController _layoutViewController:] + 43
24  UIKit                               0x0281d286 -[UINavigationController _updateScrollViewFromViewController:toViewController:] + 254
25  UIKit                               0x0281d381 -[UINavigationController _startTransition:fromViewController:toViewController:] + 72
26  UIKit                               0x0281deab -[UINavigationController _startDeferredTransitionIfNeeded:] + 386
27  UIKit                               0x0281dfc9 -[UINavigationController _startDeferredTransitionIfNeeded] + 41
28  UIKit                               0x0281e055 -[UINavigationController __viewWillLayoutSubviews] + 33
29  UIKit                               0x029233ab -[UILayoutContainerView layoutSubviews] + 233
30  UIKit                               0x0277492d -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 279
31  libobjc.A.dylib                     0x040306b0 -[NSObject performSelector:withObject:] + 70
32  QuartzCore                          0x04bb4fc0 -[CALayer layoutSublayers] + 240
33  QuartzCore                          0x04ba933c _ZN2CA5Layer16layout_if_neededEPNS_11TransactionE + 468
34  QuartzCore                          0x04bb4eaf -[CALayer layoutIfNeeded] + 166
35  UIKit                               0x028138cd -[UIViewController window:setupWithInterfaceOrientation:] + 242
36  UIKit                               0x0275c1a6 -[UIWindow _setRotatableClient:toOrientation:updateStatusBar:duration:force:isRotating:] + 5346
37  UIKit                               0x0275acbf -[UIWindow _setRotatableClient:toOrientation:updateStatusBar:duration:force:] + 82
38  UIKit                               0x0275abd9 -[UIWindow _setRotatableViewOrientation:duration:force:] + 89
39  UIKit                               0x02759e34 __57-[UIWindow _updateToInterfaceOrientation:duration:force:]_block_invoke_0 + 224
40  UIKit                               0x02759c6e -[UIWindow _updateToInterfaceOrientation:duration:force:] + 209
41  UIKit                               0x0275aa29 -[UIWindow setAutorotates:forceUpdateInterfaceOrientation:] + 853
42  UIKit                               0x0275d922 -[UIWindow setDelegate:] + 351
43  UIKit                               0x02807fec -[UIViewController _tryBecomeRootViewControllerInWindow:] + 164
44  UIKit                               0x02754bc4 -[UIWindow addRootViewControllerViewIfPossible] + 481
45  UIKit                               0x02754dbf -[UIWindow _setHidden:forced:] + 368
46  UIKit                               0x02754f55 -[UIWindow _orderFrontWithoutMakingKey] + 49
47  UIKit                               0x0275df67 -[UIWindow makeKeyAndVisible] + 65
at (wrapper managed-to-native) MonoTouch.ObjCRuntime.Messaging.void_objc_msgSend (intptr,intptr) <IL 0x0000a, 0x0002c>
at MonoTouch.UIKit.UIWindow.MakeKeyAndVisible () [0x00010] in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIWindow.g.cs:126
at IOS_UI.AppDelegate.FinishedLaunching (MonoTouch.UIKit.UIApplication,MonoTouch.Foundation.NSDictionary) <IL 0x00050, 0x00134>
at (wrapper runtime-invoke) <Module>.runtime_invoke_bool__this___object_object (object,intptr,intptr,intptr) <IL 0x00059, 0x000a7>
52  IOS_UI                              0x00009d92 mono_jit_runtime_invoke + 722
53  IOS_UI                              0x0016c50e mono_runtime_invoke + 126
54  IOS_UI                              0x0020f156 monotouch_trampoline + 3686
55  UIKit                               0x027217b7 -[UIApplication _handleDelegateCallbacksWithOptions:isSuspended:restoreState:] + 266
56  UIKit                               0x02721da7 -[UIApplication _callInitializationDelegatesForURL:payload:suspended:] + 1248
57  UIKit                               0x02722fab -[UIApplication _runWithURL:payload:launchOrientation:statusBarStyle:statusBarHidden:] + 805
58  UIKit                               0x02734315 -[UIApplication handleEvent:withNewEvent:] + 1022
59  UIKit                               0x0273524b -[UIApplication sendEvent:] + 85
60  UIKit                               0x02726cf8 _UIApplicationHandleEvent + 9874
61  GraphicsServices                    0x04d0fdf9 _PurpleEventCallback + 339
62  GraphicsServices                    0x04d0fad0 PurpleEventCallback + 46
63  CoreFoundation                      0x012b6bf5 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 53
64  CoreFoundation                      0x012b6962 __CFRunLoopDoSource1 + 146
65  CoreFoundation                      0x012e7bb6 __CFRunLoopRun + 2118
66  CoreFoundation                      0x012e6f44 CFRunLoopRunSpecific + 276
67  CoreFoundation                      0x012e6e1b CFRunLoopRunInMode + 123
68  UIKit                               0x027227da -[UIApplication _run] + 774
69  UIKit                               0x0272465c UIApplicationMain + 1211
at (wrapper managed-to-native) MonoTouch.UIKit.UIApplication.UIApplicationMain (int,string[],intptr,intptr) <IL 0x00056, 0x000a4>
at MonoTouch.UIKit.UIApplication.Main (string[],string,string) [0x0004c] in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIApplication.cs:38
at IOS_UI.Application.Main (string[]) <IL 0x00007, 0x00018>
at (wrapper runtime-invoke) <Module>.runtime_invoke_void_object (object,intptr,intptr,intptr) <IL 0x00049, 0x00077>
74  IOS_UI                              0x00009d92 mono_jit_runtime_invoke + 722
75  IOS_UI                              0x0016c50e mono_runtime_invoke + 126
76  IOS_UI                              0x00170704 mono_runtime_exec_main + 420
77  IOS_UI                              0x00175af5 mono_runtime_run_main + 725
78  IOS_UI                              0x00067275 mono_jit_exec + 149
79  IOS_UI                              0x0020440d main + 2013
80  IOS_UI                              0x00002dc5 start + 53
81  ???                                 0x00000004 0x0 + 4

[ERROR] FATAL UNHANDLED EXCEPTION: System.NullReferenceException: Object reference not set to an instance of an object
  at IOS_UI.SettingsScreen.ViewDidLoad () [0x00000] in <filename unknown>:0 
  at (wrapper managed-to-native) MonoTouch.ObjCRuntime.Messaging:IntPtr_objc_msgSendSuper (intptr,intptr)
  at MonoTouch.UIKit.UIViewController.get_View () [0x00030] in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIViewController.g.cs:976 
  at IOS_UI.SettingsScreen..ctor (IOS_UI.HomeScreen lastScreen) [0x00000] in <filename unknown>:0 
  at IOS_UI.HomeScreen.ViewDidLoad () [0x00000] in <filename unknown>:0 
  at (wrapper managed-to-native) MonoTouch.ObjCRuntime.Messaging:void_objc_msgSend (intptr,intptr)
  at MonoTouch.UIKit.UIWindow.MakeKeyAndVisible () [0x00010] in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIWindow.g.cs:126 
  at IOS_UI.AppDelegate.FinishedLaunching (MonoTouch.UIKit.UIApplication app, MonoTouch.Foundation.NSDictionary options) [0x00000] in <filename unknown>:0 
  at (wrapper managed-to-native) MonoTouch.UIKit.UIApplication:UIApplicationMain (int,string[],intptr,intptr)
  at MonoTouch.UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x0004c] in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIApplication.cs:38 
  at IOS_UI.Application.Main (System.String[] args) [0x00000] in <filename unknown>:0 
Stacktrace:


Native stacktrace:

    0   IOS_UI                              0x000916bc mono_handle_native_sigsegv + 284
    1   IOS_UI                              0x000d778d sigabrt_signal_handler + 109
    2   libsystem_c.dylib                   0x9ac1c59b _sigtramp + 43
    3   ???                                 0xffffffff 0x0 + 4294967295
    4   libsystem_sim_c.dylib               0x041e057b abort + 140
    5   IOS_UI                              0x001ea4cd monoeg_g_logv + 157
    6   IOS_UI                              0x001ea4fb monoeg_assertion_message + 43
    7   IOS_UI                              0x00215ecf monotouch_unhandled_exception_handler + 159
    8   IOS_UI                              0x0008d24c mono_invoke_unhandled_exception_hook + 140
    9   IOS_UI                              0x0009123a mono_handle_exception_internal + 4154
    10  IOS_UI                              0x0009138f mono_handle_exception + 47
    11  IOS_UI                              0x000d3564 handle_signal_exception + 148
    12  ???                                 0x0b4b12c1 0x0 + 189469377
    13  ???                                 0x0b4de3c9 0x0 + 189653961
    14  IOS_UI                              0x00009d92 mono_jit_runtime_invoke + 722
    15  IOS_UI                              0x0016c50e mono_runtime_invoke + 126
    16  IOS_UI                              0x0020f156 monotouch_trampoline + 3686
    17  UIKit                               0x02805817 -[UIViewController loadViewIfRequired] + 536
    18  UIKit                               0x02805882 -[UIViewController view] + 33
    19  ???                                 0x0cfc5ba0 0x0 + 217865120
    20  ???                                 0x170de330 0x0 + 386786096
    21  ???                                 0x170df712 0x0 + 386791186
    22  ???                                 0x170de1b0 0x0 + 386785712
    23  ???                                 0x0b4de3c9 0x0 + 189653961
    24  IOS_UI                              0x00009d92 mono_jit_runtime_invoke + 722
    25  IOS_UI                              0x0016c50e mono_runtime_invoke + 126
    26  IOS_UI                              0x0020f156 monotouch_trampoline + 3686
    27  UIKit                               0x02805817 -[UIViewController loadViewIfRequired] + 536
    28  UIKit                               0x02805882 -[UIViewController view] + 33
    29  UIKit                               0x02805b2a -[UIViewController contentScrollView] + 36
    30  UIKit                               0x0281cef5 -[UINavigationController _computeAndApplyScrollContentInsetDeltaForViewController:] + 36
    31  UIKit                               0x0281cfdb -[UINavigationController _layoutViewController:] + 43
    32  UIKit                               0x0281d286 -[UINavigationController _updateScrollViewFromViewController:toViewController:] + 254
    33  UIKit                               0x0281d381 -[UINavigationController _startTransition:fromViewController:toViewController:] + 72
    34  UIKit                               0x0281deab -[UINavigationController _startDeferredTransitionIfNeeded:] + 386
    35  UIKit                               0x0281dfc9 -[UINavigationController _startDeferredTransitionIfNeeded] + 41
    36  UIKit                               0x0281e055 -[UINavigationController __viewWillLayoutSubviews] + 33
    37  UIKit                               0x029233ab -[UILayoutContainerView layoutSubviews] + 233
    38  UIKit                               0x0277492d -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 279
    39  libobjc.A.dylib                     0x040306b0 -[NSObject performSelector:withObject:] + 70
    40  QuartzCore                          0x04bb4fc0 -[CALayer layoutSublayers] + 240
    41  QuartzCore                          0x04ba933c _ZN2CA5Layer16layout_if_neededEPNS_11TransactionE + 468
    42  QuartzCore                          0x04bb4eaf -[CALayer layoutIfNeeded] + 166
    43  UIKit                               0x028138cd -[UIViewController window:setupWithInterfaceOrientation:] + 242
    44  UIKit                               0x0275c1a6 -[UIWindow _setRotatableClient:toOrientation:updateStatusBar:duration:force:isRotating:] + 5346
    45  UIKit                               0x0275acbf -[UIWindow _setRotatableClient:toOrientation:updateStatusBar:duration:force:] + 82
    46  UIKit                               0x0275abd9 -[UIWindow _setRotatableViewOrientation:duration:force:] + 89
    47  UIKit                               0x02759e34 __57-[UIWindow _updateToInterfaceOrientation:duration:force:]_block_invoke_0 + 224
    48  UIKit                               0x02759c6e -[UIWindow _updateToInterfaceOrientation:duration:force:] + 209
    49  UIKit                               0x0275aa29 -[UIWindow setAutorotates:forceUpdateInterfaceOrientation:] + 853
    50  UIKit                               0x0275d922 -[UIWindow setDelegate:] + 351
    51  UIKit                               0x02807fec -[UIViewController _tryBecomeRootViewControllerInWindow:] + 164
    52  UIKit                               0x02754bc4 -[UIWindow addRootViewControllerViewIfPossible] + 481
    53  UIKit                               0x02754dbf -[UIWindow _setHidden:forced:] + 368
    54  UIKit                               0x02754f55 -[UIWindow _orderFrontWithoutMakingKey] + 49
    55  UIKit                               0x0275df67 -[UIWindow makeKeyAndVisible] + 65
    56  ???                                 0x0cfc8424 0x0 + 217875492
    57  ???                                 0x170dd264 0x0 + 386781796
    58  ???                                 0x0cfc772c 0x0 + 217872172
    59  ???                                 0x0cfc7827 0x0 + 217872423
    60  IOS_UI                              0x00009d92 mono_jit_runtime_invoke + 722
    61  IOS_UI                              0x0016c50e mono_runtime_invoke + 126
    62  IOS_UI                              0x0020f156 monotouch_trampoline + 3686
    63  UIKit                               0x027217b7 -[UIApplication _handleDelegateCallbacksWithOptions:isSuspended:restoreState:] + 266
    64  UIKit                               0x02721da7 -[UIApplication _callInitializationDelegatesForURL:payload:suspended:] + 1248
    65  UIKit                               0x02722fab -[UIApplication _runWithURL:payload:launchOrientation:statusBarStyle:statusBarHidden:] + 805
    66  UIKit                               0x02734315 -[UIApplication handleEvent:withNewEvent:] + 1022
    67  UIKit                               0x0273524b -[UIApplication sendEvent:] + 85
    68  UIKit                               0x02726cf8 _UIApplicationHandleEvent + 9874
    69  GraphicsServices                    0x04d0fdf9 _PurpleEventCallback + 339
    70  GraphicsServices                    0x04d0fad0 PurpleEventCallback + 46
    71  CoreFoundation                      0x012b6bf5 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 53
    72  CoreFoundation                      0x012b6962 __CFRunLoopDoSource1 + 146
    73  CoreFoundation                      0x012e7bb6 __CFRunLoopRun + 2118
    74  CoreFoundation                      0x012e6f44 CFRunLoopRunSpecific + 276
    75  CoreFoundation                      0x012e6e1b CFRunLoopRunInMode + 123
    76  UIKit                               0x027227da -[UIApplication _run] + 774
    77  UIKit                               0x0272465c UIApplicationMain + 1211
    78  ???                                 0x0cfc4bf4 0x0 + 217861108
    79  ???                                 0x0cfc3358 0x0 + 217854808
    80  ???                                 0x0cfc2b58 0x0 + 217852760
    81  ???                                 0x0cfc2be7 0x0 + 217852903
    82  IOS_UI                              0x00009d92 mono_jit_runtime_invoke + 722
    83  IOS_UI                              0x0016c50e mono_runtime_invoke + 126
    84  IOS_UI                              0x00170704 mono_runtime_exec_main + 420
    85  IOS_UI                              0x00175af5 mono_runtime_run_main + 725
    86  IOS_UI                              0x00067275 mono_jit_exec + 149
    87  IOS_UI                              0x0020440d main + 2013
    88  IOS_UI                              0x00002dc5 start + 53
    89  ???                                 0x00000004 0x0 + 4

=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries 
used by your application.
=================================================================

ソースSettingScreen.cs

public partial class SettingsScreen : UIViewController
{
    private string username;
    private string password;
    public event EventHandler CancelEvent;
    private LoginValidator loginValidator;
    private static string loginStatus;
    private static Boolean booleanCredentialsCheck;
    private int settingAlreadyStarted;


    public SettingsScreen () : base ("SettingsScreen", null)
    {
        try {

            this.View.BackgroundColor = UIColor.FromPatternImage (UIImage.FromFile ("ImageResource/Loginscreen/Background/achtergrond.png"));
            settingAlreadyStarted = NSUserDefaults.StandardUserDefaults.IntForKey ("settingAlreadyStarted");

            loginValidator = new LoginValidator ();
            textfieldPassword.SecureTextEntry = true;

            string encryptedPassword = NSUserDefaults.StandardUserDefaults.StringForKey ("settingPassword");

            if (encryptedPassword != null) {
                string decryptedPassword = Encrypter.Decrypt (encryptedPassword);
                textfieldPassword.Text = decryptedPassword;
            }
            textfieldUsername.Text = NSUserDefaults.StandardUserDefaults.StringForKey ("settingUsername");
            labelLoginStatus.Text = loginStatus;
        } catch (Exception ex){
            Console.WriteLine ("ERROR SettingsScreen");
        }
    }

    public override void DidReceiveMemoryWarning ()
    {
        base.DidReceiveMemoryWarning ();
    }

    public override void ViewDidLoad ()
    {
        imageviewPopup.Image = UIImage.FromFile("ImageResource/Loginscreen/Popup/popup.png");

        buttonLogin.TouchUpInside += Login;
        buttonCancel.TouchUpInside += Cancel;

        //Delegate voor done button van keyboard
        CloseSettingsTextfieldDelegate closeSettingsTextfieldDelegate = new CloseSettingsTextfieldDelegate(this);
        textfieldUsername.Delegate = closeSettingsTextfieldDelegate;
        textfieldPassword.Delegate = closeSettingsTextfieldDelegate;

        base.ViewDidLoad ();
    }

    public override void ViewDidUnload ()
    {
        base.ViewDidUnload ();

        // Clear any references to subviews of the main view in order to
        // allow the Garbage Collector to collect them sooner.
        //
        // e.g. myOutlet.Dispose (); myOutlet = null;

        ReleaseDesignerOutlets ();
    }

    public override bool ShouldAutorotateToInterfaceOrientation (UIInterfaceOrientation toInterfaceOrientation)
    {
        // Return true for supported orientations
        return (toInterfaceOrientation != UIInterfaceOrientation.PortraitUpsideDown);
    }


    void Login (object sender, EventArgs e)
    {

        try {
            string plainPassword = textfieldPassword.Text;
            string domainAndUsername = textfieldUsername.Text;

        if (domainAndUsername.Length > 4) {
            string domain = domainAndUsername.Substring (0, 4);
            string username = domainAndUsername.Substring (5);

            if (username == null || plainPassword == null) {
                loginStatus = "Niet alle velden ingevuld!";
                labelLoginStatus.Text = loginStatus;
                var alertLegeVelden = new UIAlertView ("Mislukt!", "Niet alle velden zijn ingevuld", null, "OK");
                alertLegeVelden.Show ();
            } else {
                booleanCredentialsCheck = loginValidator.ValidateLogin (username, plainPassword, domain);
                Console.WriteLine (booleanCredentialsCheck);

                if (booleanCredentialsCheck == true) {
                    NSUserDefaults.StandardUserDefaults.SetString (domainAndUsername, "settingUsername");

                    string encryptedPassword = Encrypter.Encrypt(plainPassword);
                    NSUserDefaults.StandardUserDefaults.SetString (encryptedPassword, "settingPassword");
                    loginStatus = "Logingegevens correct";
                    labelLoginStatus.Text = loginStatus;
                    var alertSuccess = new UIAlertView ("Gelukt!", "Inloggegevens zijn correct", null, "OK");
                    alertSuccess.Show ();

                    if (settingAlreadyStarted.Equals (0)) { // Check eerste keer gestart?
                            NSUserDefaults.StandardUserDefaults.SetInt(1, "settingAlreadyStarted"); //Verander value van setting zodat iPhone weet dat app al eens gestart is.
                    }

                    if (CancelEvent != null) { //Sluit settings scherm
                        CancelEvent(this, EventArgs.Empty);
                    }

                } else {
                    loginStatus = "Logingegevens foutief";
                    labelLoginStatus.Text = loginStatus;
                    var alertFail = new UIAlertView ("Mislukt!", "Inloggegevens zijn foutief", null, "OK");
                    alertFail.Show ();
                }
            }
        } else {
            Console.WriteLine ("Te weinig username karakters");
            loginStatus = "Logingegevens foutief";
            labelLoginStatus.Text = loginStatus;
            var alertFailUsernameDomain = new UIAlertView ("Mislukt!", "Domein of username foutief ingevuld", null, "OK");
            alertFailUsernameDomain.Show ();
        }
        } catch {
            var alertFailUsernameDomain = new UIAlertView ("Mislukt!", "Domein of username foutief ingevuld", null, "OK");
            alertFailUsernameDomain.Show ();
        }


    }

    void Cancel (object sender, EventArgs e)
    {
        if (settingAlreadyStarted.Equals (0)) { // Bij eerste keer dat app wordt gestart. //Moet uiteindelijk uit setting gelezen worden.
            Console.WriteLine("Annuleren niet toegestaan bij eerste keer starten app");
            var alertCannotCancel = new UIAlertView ("Mislukt", "Er dient te worden ingelogd om gebruik te kunnen maken van de app", null, "OK");
            alertCannotCancel.Show ();

        } else {
            if (CancelEvent != null) {
                CancelEvent(this, EventArgs.Empty);
            }
        }
    }

}


public class CloseSettingsTextfieldDelegate : UITextFieldDelegate{
    private SettingsScreen controller;

    public CloseSettingsTextfieldDelegate(SettingsScreen settingsScreen)
    {
        controller = settingsScreen;
    }

    public override bool ShouldReturn (UITextField textField)
    {
        textField.ResignFirstResponder();
        return false;
    }
}

また、アプリの設定を開いたときに奇妙なことに気づきました：[設定]-> [アプリ]：

多くのデバッグ設定が表示されます（100以上）

何が原因でしょうか？

4

3 に答える 3

1

このNullReferenceException場所で が発生する場合、1 つ (または複数) のフィールドが であることを意味しますnull。デバッグでは発生しないため、デバッガを使用することはできませんが、アプリケーションにいくつか追加することでこれを確認できるはずConsole.WriteLineです。例えば

public override void ViewDidLoad ()
{
    if (imageviewPopup == null) Console.WriteLine ("uho, no imageviewPopup");
    imageviewPopup.Image = UIImage.FromFile("ImageResource/Loginscreen/Popup/popup.png");

    if (buttonLogin == null) Console.WriteLine ("uho, no buttonLogin");
    buttonLogin.TouchUpInside += Login;
    if (buttonCancel == null) Console.WriteLine ("uho, no buttonCancel");
    buttonCancel.TouchUpInside += Cancel;
    ...

それが確認されたら、NIB ファイルを確認し、デバッグおよびリリースビルドとは異なるプロジェクト オプションがあるかどうかを確認する必要があります。

アプリの設定を開くと、奇妙なことに気付きました:設定 -> アプリ:多くのデバッグ設定 (100 以上) が表示されます。何が原因でしょうか?

これは、最近修正された MonoTouch のバグです (エントリはビルドごとに複製されます)。これはデバッグ ビルドでのみ発生し、アプリケーションには影響しません。

于 2013-01-24T21:37:54.667 に答える
1

問題が解決しました！

プロジェクトのプロパティで、デバッグ モードのコンパイラ値を「IOS」に設定しました。リリースモードの場合、値を設定するのを忘れていました。今、私もこの値を設定しましたが、うまくいきます。

MonoTouch プロジェクトと Mono For Android プロジェクトで使用される共通プロジェクトのクラスで、コンパイル用の if else ステートメントを定義しました。私が正しければ、この if else ステートメントは、プロジェクトのコンパイラ値を使用して何をすべきかを決定します。

    public class Sharepoint
    {
#if ANDROID

    private Android_UI.Test.Database.Lists service;
#else
    private Test.Database.Lists service;
#endif
    private const string LISTNAME = "DatabaseFix";
    private CredentialCache _credentialCache;

    /// <summary>
    /// Initializes a new instance of the <see cref="Test_Common.Sharepoint"/> class.
    /// Requires Ordina credentials.
    /// </summary>
    /// <param name='username'>
    /// Username.
    /// </param>
    /// <param name='password'>
    /// Password.
    /// </param>
    /// <param name='domain'>
    /// Domain.
    /// </param>
    public Sharepoint (string username, string password, string domain){
#if ANDROID
        service = new Android_UI.Test.Database.Lists();
#else
        service = new Test.Database.Lists();
#endif
        service.Url = "https://........./_vti_bin/Lists.asmx";

        _credentialCache = new CredentialCache();
        _credentialCache.Add(new Uri(service.Url), "BASIC", new NetworkCredential(username, password, domain));


        service.Credentials = CredentialCache.DefaultCredentials;
        service.Credentials = _credentialCache;
        service.Timeout = 30000; //30 seconds
    }

PS。皆様、ご回答ありがとうございます

于 2013-01-25T08:17:48.043 に答える
0

この呼び出しをに移動するだけです

        this.View.BackgroundColor = UIColor.FromPatternImage (UIImage.FromFile ("ImageResource/Loginscreen/Background/achtergrond.png"));
        settingAlreadyStarted = NSUserDefaults.StandardUserDefaults.IntForKey ("settingAlreadyStarted");

        loginValidator = new LoginValidator ();
        textfieldPassword.SecureTextEntry = true;

        string encryptedPassword = NSUserDefaults.StandardUserDefaults.StringForKey ("settingPassword");

        if (encryptedPassword != null) {
            string decryptedPassword = Encrypter.Decrypt (encryptedPassword);
            textfieldPassword.Text = decryptedPassword;
        }
        textfieldUsername.Text = NSUserDefaults.StandardUserDefaults.StringForKey ("settingUsername");
        labelLoginStatus.Text = loginStatus;

に

public override void ViewDidLoad (){}
于 2013-01-24T21:49:56.897 に答える