![]() 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 ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.Top 10 System Design Interview Questions and Answers.Top 20 Puzzles Commonly Asked During SDE Interviews.Top 100 DSA Interview Questions Topic-wise.
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