![]() ![]()
#Android studio fragment actional call image button android#If you use multiple fragments Android displays them in the order the fragments are created. Changing the order of action itemsīy default Android displays the action items of your fragment behind those of the activity. The about entry is not needed in the fragment, because it is added by the activity, no matter whether you are in single-pane or double-pane mode. And I use an xml file containing only the edit entry in the fragment. Otherwise it would look fine on any screen that makes use of your multi-pane layouts but you would end up with doubled icons on single-pane screens.įor the sample screen I have used a menu xml file containing only the about entry in the activity. Of course, if you do so, you have to stop using the same entries in your Activity. Now your fragments menu items will be displayed in the ActionBar. You use the onCreateOptionsMenu() method for it: In fact not much different from how you add the items within your Activities. Adding action items programaticallyĪs the post title implies the additional action items are inserted by the fragment. The plus and the search icon though are from the ListFragment. In this screen the edit and trash icon are from the selected element and are only added when a lecture has been selected. Timetable app showing action items of multiple fragments I take Timetable, an app that does this nicely. Now this app is pretty dull so far, and the detail screen even more so, so let me show you a real app. Now here's what the tablet version looks like: Top part of the tablet version containing both fragmentsĪs you can see, it now sports both icons since it also presents both fragments. The detail screen shows all the relevant details of this item and offers you to edit the item: Screen showing the DetailFragment only ![]() Here you have an action item to add a new item to the list: Screen showing the ListFragment only On a phone the startscreen simply shows a list of items. The user has a list of items, a detail screen and an edit screen. This post continues with the app, you have developed in the first posts of this series. And given the vast distribution of devices sizes that is something you should do. In a previous post you have seen that Android makes it easy to provide responsive interfaces. All code works with the stock Android ActionBar object as well as with ActionBarSherlock. #Android studio fragment actional call image button how to#This tutorial shows you how to add action items to the ActionBar from within your Fragments and how to disable or enable action items depending on the state of your fragment. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |