![]() Dialog fragmentīefore enter into an example we should need to know dialog fragment. This will create the alert dialog and will show it on the screen. A dialog with a pre-defined UI that allows the user to select a date or time. A dialog that can show a title, up to three buttons, a list of selectable items, or a custom layout. Its syntax isĪlertDialog alertDialog = alertDialogBuilder.create() Instead, use one of the following subclasses: AlertDialog. This method set the title to be appear in the dialogĪfter creating and setting the dialog builder, you will create an alert dialog by calling the create() method of the builder class. ![]() This method Sets the callback that will be called if the dialog is cancelled. SetOnCancelListener(DialogInterface.OnCancelListener onCancelListener) The selected option will be notified by the listener For example, customize the text color and font size of the title by creating a materialAlertDialogTitleTextStyle that inherited from MaterialAlertDialog. setTitle() method: An alert dialog may require a title. We’ll take a look at the method that displays the dialog in a later section. This method sets list of items to be displayed in the dialog as the content. From the code sample above, alertDialog is an object of AlertDialog with the title Welcome The create method on its own doesn’t cause the dialog to display. To do so: new AlertDialog.Builder (new ContextThemeWrapper (this, R.style.AlertDialogDanger)). SetMultiChoiceItems(CharSequence items, boolean checkedItems, DialogInterface.OnMultiChoiceClickListener listener) This will change the color of the button text of any alert dialog you create with style AlertDialogDanger. This method sets the message to be displayed in the alert dialog This method sets the property that the dialog can be cancelled or not This method set the icon of the alert dialog box. Its syntax isĪtPositiveButton(CharSequence text,ĭialogInterface.OnClickListener listener)ĪtNegativeButton(CharSequence text,Īpart from this, you can use other functions provided by the builder class to customize the alert dialog. Now you have to set the positive (yes) or negative (no) button using the object of the AlertDialogBuilder class. you can give style to your alert dialog like this: AlertDialog.Builder builder new AlertDialog.Builder (getActivity (), R.style. Its syntax is given belowĪlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this) In order to make an alert dialog, you need to make an object of AlertDialogBuilder which an inner class of AlertDialog. Some times in your application, if you wanted to ask the user about taking a decision between yes or no in response of any particular action taken by the user, by remaining in the same activity and without changing the screen, you can use Alert Dialog. A Dialog is small window that prompts the user to a decision or enter additional information. ![]()
0 Comments
Leave a Reply. |