![]() ![]() ![]() These Operations are as follows:Īdd the listener to the send button and this button will send the data. Send_text = findViewById(R.id.send_text_id) Setting up the Operations for the Sending and Receiving of Data. Syntax: General ComponentType object = (ComponentType)findViewById(R.id.IdOfTheComponent) Syntax: for components used is as follows: Button send_button= findViewById(R.id.send_button_id) This method binds the created object to the UI Components with the help of the assigned ID. For this, open the “first_activity” file and instantiate the components made in the XML file (EditText, send Button) using findViewById() method. Now, after the UI, this step will create the Backend of the App. Comments are added inside the code to understand the code in more detail. Below is the code for the MainActivity File. Go to the MainActivity File and refer to the following code. Step 3: Working with the MainActivity File MVVM (Model View ViewModel) Architecture Pattern in Android Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution.Producer-Consumer solution using threads in Java.Method and Block Synchronization in Java.Naming a thread and fetching name of current thread in Java.What does start() function do in multithreading in Java?.Java Concurrency – yield(), sleep() and join() Methods.To create a new Activity we have to navigate to the app > java > your app’s package name > Right click on package name > New. As we want to update our course, so for this process we will be creating a new activity where we will be able to update our courses in the SQLite database. ![]() Lifecycle and States of a Thread in Java Step 1: Creating a new activity for updating our course. ![]()
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