Table of Contents
- 1 How do you load a fragment in an activity?
- 2 How do I start a new fragment?
- 3 How do I open fragments in Kotlin?
- 4 How can I create two fragments in one activity?
- 5 Can we use intent in fragment Android?
- 6 How can I change fragment from one Android to another?
- 7 How to display a fragment in an onClick event?
- 8 What are fragments and how to use them?
How do you load a fragment in an activity?
LOAD A FRAGMENT: To load a fragment in an activity at first we need to have an activity and xml file which should have a parent layout that may hold the fragment when it is loaded in that layout. For loading a fragment we need to do a fragment transaction that load the fragment in stack.
How do I start a new fragment?
In case you use androidx, you need getSupportFragmentManager() instead of getFragmentManager(). You should create a function inside activity to open new fragment and pass the activity reference to the fragment and on some event inside fragment call this function.
How can call fragment method from activity in Android?
I see in the Android Fragments Dev Guide that an “activity can call methods in a fragment by acquiring a reference to the Fragment from FragmentManager, using findFragmentById() or findFragmentByTag() .”
How do I open a fragment with intent?
Try this: Put this code in current fragment, from where you want to open an activity. String webUrl = getIntent(). getStringExtra(“web_url”); Fragment newFragment = getSupportFragmentManager(). findFragmentById(R.
How do I open fragments in Kotlin?
3 Answers. In Kotlin, if you want to load various fragment inside activity, you can make one function which you call wherever required to load the fragment. In the above code spinnet, SecondFragment() is the instance of the fragment which you wish to load. So we can also pass the instance of the fragment as shown above …
How can I create two fragments in one activity?
Displaying Multiple Fragments in a Single Activity — Android
- Step 1 — Create a base activity. The first step is to create a base activity which is gonna host the fragments which we need to display.
- Step 2 — Edit the activity layout file.
- Step 3 — Create Fragments.
- Step 4 — Add fragment transaction codes.
How can we call a method in fragment from activity?
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.
- Step 2 − Add the following code to res/layout/activity_main. xml.
- fragment_sample.xml − <
- Step 5 − Add the following code to androidManifest.xml
How can use interface from activity to fragment in Android?
- Implement your interface on the fragment and assign it to your interface variable on fragment creation.
- but how will i get button click listener event in fragment as the button is present in the layout of the activity.
- Use the interface to notify your fragment of the button click.
Can we use intent in fragment Android?
You can’t make intent for Fragment from Activity… there is fragment transaction to get Intent of Fragment in Activity. If you want to go fragment that is previously added to the stack. easy way to go that fragment is, clear the top of the activity stack.
How can I change fragment from one Android to another?
Use replace() to replace an existing fragment in a container with an instance of a new fragment class that you provide. Calling replace() is equivalent to calling remove() with a fragment in a container and adding a new fragment to that same container.
How to create a fragment activity in Android Studio?
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.java Step 4 − Create a new Fragment Activity and add the following codes −
How to start new activity on click button in Android?
How to start new Activity on click button in Android? This example demonstrates about how do I start new Activity on click button in Android. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Step 2 − Add the following code to res/layout/activity_main.xml.
How to display a fragment in an onClick event?
In the listener method initialize your fragment and use fragmentTransaction to display fragment. Create onClick listener for the button. In the listener method initialize your fragment and use fragmentTransaction to display fragment. You may need to do changes in the above code according to your application.
What are fragments and how to use them?
If you want to change the text which is displayed in an activity on a button click without going to the second activity, you can use fragments. Also, if you wish to display some pictures or icons on button clicks/checkboxes etc, fragments can be used.