How to use onOptionsItemSelected in android fragment?
Follow this steps:
- Add setHasOptionsMenu(true) method in onCreate() of your Fragment.
- Override onCreateOptionsMenu(Menu menu, MenuInflater inflater) and onOptionsItemSelected(MenuItem item) methods in your Fragment.
What is fragment in android?
A Fragment represents a reusable portion of your app’s UI. A fragment defines and manages its own layout, has its own lifecycle, and can handle its own input events. Fragments cannot live on their own–they must be hosted by an activity or another fragment.
How can I call a navigation drawer from another activity?
Basically Each Activity has its own actionBar and each actionbar can use own Navigation Drawer. So If You want to same navigation Drawer. You can use Fragment. You can make MainActivity has Navigation Drawer and Use FrameLayout in Mainactivity Then Replace Fragment.
How can we send data from one fragment to another?
So to share a string between fragments you can declare a static String in Activity. Access that string from Fragment A to set the value and Get the string value in fragment B. 2. Both fragments are hosted by different Activities- Then you can use putExtra to pass a string from Fragment A of Activity A to Activity B.
What is the lifecycle of a fragment?
A fragment can be used in multiple activities. Fragment life cycle is closely related to the life cycle of its host activity which means when the activity is paused, all the fragments available in the activity will also be stopped. A fragment can implement a behaviour that has no user interface component.
Should I use fragments or activities?
We can’t create multi-screen UI without using fragment in an activity, After using multiple fragments in a single activity, we can create a multi-screen UI. Fragment cannot be used without an Activity. While Using fragments in the project, the project structure will be good and we can handle it easily.
How can use multiple navigation drawer in android activity?
Click on an item on the main drawer then open sub navigation drawer in with its item. In these android solutions android, multiple navigations drawers add in an activity. I create multiple navigation drawer layouts. and manganese its click on item according to open sub-navigation.
How do I send text from one fragment to another?
How do I pass bundles between fragments?
Therefore, in order to pass your data to the Fragment being created, you should use the setArguments() method. This methods gets a bundle, which you store your data in, and stores the Bundle in the arguments. Subsequently, this Bundle can then be retrieved in onCreate() and onCreateView() call backs of the Fragment.
What is difference between onDestroy and onDestroyView?
onDestroyView() allows the fragment to clean up resources associated with its View. onDestroy() called to do final cleanup of the fragment’s state.
What is difference between a fragment and an activity?
Activity is the part where the user will interacts with your application. In other words, it is responsible for creating a window to hold your UI components. (UI components and how to build a layout will be discussed in another article). Fragment represents a behavior or a portion of user interface in an Activity.
Why are fragments preferred over activity?
Like activities, they have a specific lifecycle, unlike activities, they are not top-level application components. Advantages of fragments include code reuse and modularity (e.g., using the same list view in many activities), including the ability to build multi-pane interfaces (mostly useful on tablets).
How do I get navigation drawer in all activity?
The user can view the navigation drawer when they swipe the activity’s screen from the left edge of the android device. A user can also find it from the activity, by tapping the app icon (also known as the “hamburger” menu) in the action bar.
How do you make DrawerLayout give an example?
Steps to Implement Navigation Drawer in Android
- Step 1: Create an Android Studio Project.
- Step 2: Adding a dependency to the project.
- Step 3: Creating a menu in the menu folder.
- Step 4: Working with the activity_main.xml file.
- Output UI:
- Step 5: Include the Open Close strings in the string.xml.
What is onNavigationItemSelected?
onNavigationItemSelected(MenuItem item) Called when an item in the navigation menu is selected.
How do I move from one fragment to another?
You can move to another fragment by using the FragmentManager transactions. Fragment can not be called like activities,. Fragments exists on the existence of activities.
How do I move an object from one fragment to another?
You can use Keyboard shortcut as: put cursor over Parcelable class and tap ‘Alt, Enter’ then click on Implement methods. This is how you Pass data to another Fragment. You can write this piece of code on the event where you want to replace the fragment.
How do you pass data between fragments using ViewModel?
Passing Data between Fragments using ViewModel To make passage of data from one fragment to another possible, we need to obtain view model object with activity scope in both fragments. Both fragments get the same view model instance which is tied to activity lifecycle.