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In the MainActivity. Additionally, we will also get to see a buttonClickListener that is used to define the action to be performed when a button is clicked in the app.īelow is th design that we will be working on. Since the button is a part of the fragments layout, set the listener there: Override public View onCreateView(LayoutInflater inflater, ViewGroup container. In our example, we will take input from the user through EditText view and will display it in the TextView. This is how you can show an Android Toast message from a Fragment: Toast.makeText(getActivity(), Click, Toast.LENGTHSHORT).show() As shown, dont forget to. Here in this tutorial, we are going to focus and code for the backend part. In our previous tutorials, we have seen how different types of layout are useful for for GUI designing which is the frontend part. Whenever we click on any button or submit any form, the backend code decides what action to perform next or what to do with the data received from user etc. Backend part refers to the logic behind the functioning of your app. how your app will look and appear to the other users. Frontend refers to the visualization of the components i.e. Android SDK Manager & required PackagesĪny android app has two parts in it – frontend and backend.