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A placeholder fragment containing a simple view. as you specify a parent activity in AndroidManifest.xml. The problem is I cannot access the activity to show the Toast on it. Toast // Inflate the menu this adds items to the action bar if it is present.

Step 2 Add the following code to res/layout/activitymain. With the power of Kotlin delegates and Jetpack Lifecycle components, we have turned our ViewBinding into a single-liner. Im trying to show a Toast Message when user click on a Button inside a Fragment. FragmentTransaction: The class for performing an atomic set of Fragment operations such as Replace or Add a Fragment. This post demonstrates how to call an activity method from fragment 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. It’s just like databinding, except all it does is take your existing layout, and generate a binding for it - no changes necessary, no Īnd use it via the binding /* Copyright (C) 2020 The Android Open Source Project */ class MainActivity: AppCompatActivity() first, create a new project and then select empty activity and click the next button. There’s a new feature in Android Studio 3.6 called “view binding”. let’s go to android studio and build the application.