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Now in Fragment class, “ MyFragment.java” add the following code package in.eyehunt. Resource file “fragment_my.xml” with 2 TextView and a Button widget Create new fragment with the resource file Let’s build Android app for Activity and Fragments communication Step 1. Create new project “ Build Your First Android App in Kotlin“ Step 2. Add color in app>res>values>colors.xml In this example, we are doing the same thing or you will get an idea of how to do it. It’s a common situation when developer facing this kind of a problem during application developer.
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Situation: How to access a variable in activity from a fragment? Maybe chance you have to another way or requirement, then you have to choose as per needs. MyFragment.receiveMsg("Hi Fragment how are you ?") MyFragment myFragment = (MyFragment) manager.findFragmentById(R.id.myfrag) Method in fragment //Receive message - activity to fragmentĬreate an instance in activity and pass data to fragment FragmentManager manager = getSupportFragmentManager() This example demonstrates how do I call an activity method from a fragment in android.
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it’s a flexible way when the fragment is already launched and Fragments want data from an Activity. Its very easy to do, create a method in Fragments and in Activity create an instance of fragments and pass data in methods.
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