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问题 I have an aspnet core web site, with cookie authentication. When I logoff, and then, when I click in the back button of the browser, I navigate to the last web page, and I don´t want that, I wan´t the user to be redirect to the login page to be authenticate again. My startup.cs public void ConfigureServices(IServiceCollection services) { .... services.AddIdentity<ApplicationUser, ApplicationRole>( config => { config.User.RequireUniqueEmail = true; config.SignIn.RequireConfirmedEmail = true;

问题 When I click on a Button , I go to payment page. There I can see 3 back Button . the usual one at the bottom the one in the ActionBar / Toolbar the one inside the WebView Clicking on the 1 and 2 is working fine but clicking on 3 doesn't take me back or doesn't cancel the transaction. Yet this is not the full story. When I select on Cards it takes me to the respective page where I enter the card details. Then when I click on 3, it comes back to the main page(selecting type of payment viz.,

问题 When I click on a Button , I go to payment page. There I can see 3 back Button . the usual one at the bottom the one in the ActionBar / Toolbar the one inside the WebView Clicking on the 1 and 2 is working fine but clicking on 3 doesn't take me back or doesn't cancel the transaction. Yet this is not the full story. When I select on Cards it takes me to the respective page where I enter the card details. Then when I click on 3, it comes back to the main page(selecting type of payment viz.,

问题 in my MainActivity, which extends from AppCompatActivity, I want to override the onBackPressed method like so: @Override public void onBackPressed() { Log.d("MainActivity","onBackPressed"); Toast.makeText(getApplicationContext(),"onBackPressed",Toast.LENGTH_SHORT).show(); } but onBackPressed does not get called. How ever if I do not override onBackPressed, the application closes, when I press the backbutton and if I do override it it doesn't. The rest of my activity looks like this: public

问题 I have an AlertDialog and its setCancelable() is false. In Onbackpressed function I want the AlertDialog to be closed. But when setCancelable() is false, the back key doesn't work at all. What should I do to get rid of this problem? I don't want to change setCancelable() to true because I will have another problem. import android.os.Bundle import android.widget.Toast import androidx.appcompat.app.AlertDialog import androidx.appcompat.app.AppCompatActivity class MainActivity :

问题 I am trying to prevent an AlertDialog box from closing when pressing the back button in Android. I have followed both of the popular methods in this thread, and with System.out.println I can see that in both cases the code executes. However, the back button still closes the dialog box. What could I be doing wrong? Ultimately I'm trying to prevent the back button closing a dialog box - it is a disclaimer that is displayed the first time the app is run and I don't want the user to have any

问题 Which browsers nowadays support a back-forwards cache (bfcache)? A back-forwards cache is a browser's in-memory cache that is used when a user clicks the back button and the forward button. It stores the state of the page as it was when the user navigated away, so any changes made to the DOM should be loaded instantly. Note that this is different from the normal caching mechanisms that all browsers have. A bfcache applies specifically when a user clicks the back button, and can handle dynamic

问题 Which browsers nowadays support a back-forwards cache (bfcache)? A back-forwards cache is a browser's in-memory cache that is used when a user clicks the back button and the forward button. It stores the state of the page as it was when the user navigated away, so any changes made to the DOM should be loaded instantly. Note that this is different from the normal caching mechanisms that all browsers have. A bfcache applies specifically when a user clicks the back button, and can handle dynamic

问题 I am using android studio navigation component to create some fragments and switch between them using the actions. Problem is that each time I tap Back button to go back from a Fragment2 to Fragment1, Fragment one is recreated. I want to avoid that. I found solutions when one don't use navigation component and simply can replace ".replace" with ".add", but can't find any information on how to do the same with navigation component. 回答1: I think it's a normal thing that your fragment 1 is

问题 Using ionic, I am trying to have a use case to select from a list and return back to the original view with some value. I'ved already done most of the part except detecting it has returned to the original view and passing a value back to the original view. Here's so far what i'ved accomplished: button that goes to a list <button class="button button-block button-outline button-positive" ng-click="performselectUnit()"> Select Unit </button> this is the trigger to go to the new view with the