My Dialog App Download For Android
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I want to display a dialog/popup window with a message to the user that shows "Are you sure you want to delete this entry?" with one button that says 'Delete'. When Delete is touched, it should delete that entry, otherwise nothing.
You could use an AlertDialog for this and construct one using its Builder class. The example below uses the default constructor that only takes in a Context since the dialog will inherit the proper theme from the Context you pass in, but there's also a constructor that allows you to specify a specific theme resource as the second parameter if you desire to do so.
Just be careful when you want to dismiss the dialog - use dialog.dismiss(). In my first attempt I used dismissDialog(0) (which I probably copied from some place) which sometimes works. Using the object the system supplies sounds like a safer choice.
I am using an activity with the dialog theme set, and I want it to be full screen. I tried all sorts of things, even going through the WindowManager to expand the window to full width and height manually, but nothing works.
Apparently, a dialog window (or an activity with the dialog theme) will only expand according to its contents, but even that doesn't always work. For instance, I show a progress bar circle which has width and height set to FILL_PARENT (so does its layout container), but still, the dialog wraps around the much smaller progress bar instead of filling the screen.
This answer is a workaround for those who use "Theme.AppCompat.Dialog" or any other "Theme.AppCompat.Dialog" descendants like "Theme.AppCompat.Light.Dialog", "Theme.AppCompat.DayNight.Dialog", etc.I myself has to use AppCompat dialog because i use AppCompatActivity as extends for all my activities. There will be a problem that make the dialog has padding on every sides(top, right, bottom and left) if we use the accepted answer.
Sometimes in your android app, you want to show some alert message to the user and expect a response in yes or no. Alert dialog serves the same purpose, An alert dialog is a small window that prompts the user to make a decision or enter additional information. A dialog does not fill the screen and is normally used for modal events that require users to take any action before they can proceed. Alert dialog consists of three areas: 1) Title: This is optional and should be used only when the content area is occupied by a detailed message, a list, or a custom layout. If you need to state a simple message or question, you don't need a title. 2) Content area: This can display a message, a list, or other custom layouts. 3) Action Buttons: There should be no more than three action buttons in a dialog. In this video, we will create an alert dialog in Android. It will be a very simple application that has a list view in it, list view shows some string entries, and when one of the entries is clicked an alert dialog box will pop up, if you press the delete button then click entry will be deleted and if the cancel button is pressed, the dialog will be dismissed. Related Article : https:\/\/www.geeksforgeeks.org\/android-alert-dialog-box-and-how-to-create-it\/\",\"source\":\"https:\/\/videos.geeksforgeeks.org\/hls\/7e88ba8f8e51cb2e59336e23dd9f6f4bgfg-AlertDialoginAndroid20220215124005.m3u8\",\"category\":[\"term_id__id\":96,\"term_id__term_name\":\"Android\",\"term_id__term_type\":1,\"term_id__slug\":\"android\",\"term_id__id\":97,\"term_id__term_name\":\"Android\",\"term_id__term_type\":2,\"term_id__slug\":\"android-fsoqqe\"],\"meta\":\"thumbnail\":\"https:\/\/videocdn.geeksforgeeks.org\/geeksforgeeks\/AlertDialoginAndroid\/Alertdialoginandroid20220215125514-small.png\",\"largeThumbnail\":\"https:\/\/videocdn.geeksforgeeks.org\/geeksforgeeks\/AlertDialoginAndroid\/Alertdialoginandroid20220215125514.jpg\",\"likes\":0,\"views\":630,\"isFeatured\":0,\"isPremium\":0,\"isPublic\":0,\"format\":\"video\/mp4\",\"revision\":\"createdAt\":\"2022-02-15T12:50:03.105465\",\"time\":\"15\/02\/2022\",\"subtitle\":\"https:\/\/videos.geeksforgeeks.org\/subtitles\/AlertDialoginAndroid20220215124005.vtt\",\"duration\":735,\"course_link\":null}]"); Video Improve
If you're developing a custom implementation or building an app for iOS or Chrome, you must implement this dialog in a consistent way, so that users recognize and trust it to function consistently across devices, apps and platforms. Refer to the Reference apps for examples.
Required (default behavior of Android MediaRouter):
A When the sender app is not connected to a Cast receiver, tapping the Cast button shows the Cast dialog
B The Cast dialog title, "Cast to" appears
C The Cast dialog shows a list of available Web Receivers
D Each receiver currently casting should display, "Casting app name"
For iOS, when casting for the first time, users must consent to allow local network access (LNA) to Cast devices. An interstitial information screen is presented to users explaining why this permission is needed, followed by the standard Apple LNA permissions dialog.
The HTML element is used to create both modal and non-modal dialog boxes. Modal dialog boxes interrupt interaction with the rest of the page being inert, while non-modal dialog boxes allow interaction with the rest of the page.
JavaScript should be used to display the element. Use the .showModal() method to display a modal dialog and the .show() method to display a non-modal dialog. The dialog box can be closed using the .close() method or using the dialog method when submitting a that is nested within the element. Modal dialogs can also be closed by pressing the Esc key.
Indicates that the dialog box is active and is available for interaction. If the open attribute is not set, the dialog box will not be visible to the user. It is recommended to use the .show() or .showModal() method to render dialogs, rather than the open attribute. If a is opened using the open attribute, it is non-modal.
This example demonstrates the create a non-modal dialog by using only HTML. Because of the boolean open attribute in the element, the dialog appears open when the page loads. The dialog can be closed by clicking the "OK" button because the method attribute in the element is set to "dialog". In this case, no JavaScript is needed to close the form.
This dialog is initially open because of the presence of the open attribute. Dialogs that are displayed using the open attribute are non-modal. After clicking "OK", the dialog gets dismissed, leaving the Result frame empty. When the dialog is dismissed, there is no method provided to reopen it. For this reason, the preferred method to display non-modal dialogs is by using the HTMLDialogElement.show() method. It is possible to toggle the display of the dialog by adding or removing the boolean open attribute, but it is not the recommended practice.
This example demonstrates a modal dialog with a gradient backdrop. The .showModal() method opens the modal dialog when the "Show the dialog" button is activated. The dialog can be closed by pressing the Esc key or via the close() method when the "Close" button within the dialog is activated.
When a dialog opens, the browser, by default, gives focus to the first element that can be focused within the dialog. In this example, the autofocus attribute is applied to the "Close" button, giving it focus when the dialog opens, as this is the element we expect the user will interact with immediately after the dialog opens.
When the modal dialog is displayed, it appears above any other dialogs that might be present. Everything outside the modal dialog is inert and interactions outside the dialog are blocked. Notice that when the dialog is open, with the exception of the dialog itself, interaction with the document is not possible; the "Show the dialog" button is mostly obfuscated by the almost opaque backdrop of the dialog and is inert.
This example demonstrates the returnValue of the element and how to close a modal dialog by using a form. By default, the returnValue is the empty string or the value of the button that submits the form within the element, if there is one.
This example opens a modal dialog when the "Show the dialog" button is activated. The dialog contains a form with a and two elements, which default to type="submit". An eventlistener updates the value of the "Confirm" button when the select option changes. If the "Confirm" button is activated to close the dialog, the current value of the button is the return value. If the dialog is closed by pressing the "Cancel" button, the returnValue is cancel.
When the dialog is closed, the return value is displayed under the "Show the dialog" button. If the dialog is closed by pressing the Esc key, the returnValue is not updated and the close event doesn't occur so the text in the is not updated.
The "Cancel" button includes the formmethod="dialog" attribute, which overrides the 's default GET method. When a form's method is dialog, the state of the form is saved but not submitted, and the dialog gets closed.
Without an action, submitting the form via the default GET method causes a page to reload. We use JavaScript to prevent the submission and close the dialog with the event.preventDefault() and HTMLDialogElement.close() methods, respectively.
It is important to provide a closing mechanism within every dialog element. The Esc key does not close non-modal dialogs by default, nor can one assume that a user will even have access to a physical keyboard (e.g., someone using a touch screen device without access to a keyboard).
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