android-navigation

I have a navigation button for my navigation fragment which turns active and opens a navigation drawer menu upon click: Now when I click it, it turns active as follows: However, I want to associate it with a navigation drawer such a way that, even if I do not click the button and slide open the navigation drawer, the button turns active when the navigation drawer menu is open and when closed by sliding back in from right to left, the button turns red/inactive. The code which I am trying to work with is as follows: private boolean mIsNavigationOpen = false; private DrawerLayout drawerLayout;

I've made a navigation drawer in my app. Inside my navigation drawer is a ListView . It's a simple list view with text items. The Gmail android app has a ListView with headers. (source: phonedog.com ) As you can see, the words: INBOX, RECENT LABELS, ALL LABELS are headers. I would like to implement exactly those type of headers into my app. Is this feature an inbuilt android thing or do I have to create something custom. If yes then how. Let me know if you need any more info. Thanks in Advance. 来源： https://stackoverflow.com/questions/19341033/android-navigation-drawer-listview-headers

I'm showing a dialog inside a fragment using childFragmentManager or within an Activity using the supportFragmentManager , in the process I would like to set the target fragment, like this: val textSearchDialog = TextSearchDialogFragment.newInstance() textSearchDialog.setTargetFragment(PlaceSearchFragment@this, 0) But when running that code I get the error: java.lang.IllegalStateException: Fragment TextSearchDialogFragment{b7fce67 #0 0} declared target fragment PlaceSearchFragment{f87414 #0 id=0x7f080078} that does not belong to this FragmentManager! I don't know how to access the

My problem: I want to add draggable icon in navigation drawer. This icon combined with listview of navigation drawer when drawer open. see similar like this, What I have tried, I searched in StackOverflow like similar question this, Draggable drawer with a handle (instead of action bar) on top of other apps But all answer suggest to 3rd party library. My question 1.It`s possible to add draggable icon with navigation drawer? For drag layout there is github library which is useful for it You can drag from left to right or any where. It will also slide from left to right & also drag is also

I have implemented Navigation Drawer which is a subclass of Activity. I have many fragments in my application. My question goes here Imagine there are 3 fragments : Fragment_1 : Fragment_2 : Fragment_3 When I start my application, Fragment_1 is loaded When I click on some components on Fragment_1, I'm navigated to Fragment_2 and so on.. So it's like Fragment_1 > Fragment_2 > Fragment_3 When I press back key from Fragment_2, I'm navigated back to Fragment_1 But when I press back key from Fragment_3, I'm navigated back to Fragment_1 (instead of Fragment_2) I want something like this in my