We’ll then reuse these fragments in a classic master/detail arrangement on tablets. Basically, we will have a master fragment that will be used for the drawer view and a detail fragment for the main view. Additionally, by implementing CodePath’s example, too much of the view logic would live in the hosted activity, so I set out to see if I could use fragments to solve this problem. There are a few ways to accomplish this “always open” behavior on tablets by using DrawerLayout.LOCK_MODE _LOCKED_OPEN, but I found them a bit hacky and inelegant. The navigation drawer is easily implemented with the Design Support Library, and the best walkthrough on how to build a navigation drawer is in this tutorial by CodePath. In this post, you’ll learn how to reuse fragments to give your tablet and phone users a great experience. at (ActivityThread.java:2747) at (ActivityThread.java:2808) at .-wrap12(ActivityThread.java) at $H.handleMessage(ActivityThread.java:1541) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:165) at (ActivityThread.java:6375) at .invoke(Native Method) at .ZygoteInit$n(ZygoteInit.java:912) at .ZygoteInit.main(ZygoteInit.java:802) Caused by: Android navigation drawer has become a ubiquitous UI feature on Android devices, but it’s usually unnecessary to hide and show on larger devices like tablets. With plenty of screen real estate, the drawer should stay open all the time the Material Design specs even recommend this behavior. Do not request Window.FEATURE_SUPPORT_ACTION_BAR and set windowActionBar to false in your theme to use a Toolbar instead. Public DataModel(int icon, String name) : : This Activity already has an action bar supplied by the window decor. The DataModel.java class is used to define the objects for the drawer list items. The navigation drawer items are put in a string array in the strings.xml file as shown below. The layout for the ListView rows in the Navigation Drawer is given below. We need to use the Theme in the styles.xml when using Toolbars. ![]() ![]() The layout ToolBar is defined in the xml layout given below. It gives us more control and flexibility to modify and its easier to interleave with other views in the hierarchy. ToolBar has been introduced since Android 5.0 as a generalisation of ActionBar. We’ve used a ToolBar in place of an ActionBar here. The menu options in the navigation drawer are stored in the form of a ListView. To implement the Navigation Drawer we first need to add 4.widget.DrawerLayout as the root of the activity layout as shown below. Android Navigation Drawer Project Structure We’ll show 3 fragment views that can be opened from the drawer items. In this android navigation drawer tutorial we’ll implement the navigation drawer using the Drawer Layout API present in Android Support Library. In broader terms, Navigation Drawer is an overlay panel, which is a replacement of an activity screen which was specifically dedicated to show all the options and links in the application. It’s not visible by default and it needs to opened either by sliding from left or clicking its icon in the ActionBar. Navigation drawer makes it easy to navigate to and fro between those links. Android Navigation DrawerĪndroid Navigation Drawer is a sliding left menu that is used to display the important links in the application. You will see navigation drawer in most of the android applications, it’s like navigation menu bars in the websites. Android navigation drawer is a sliding menu and it’s an important UI component. ![]() In this tutorial we’ll implement a Navigation Drawer in our android application.
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