title: viewBinding not work in android studio.what is problem?
body: <p>When I use view binding and call a view with it
  And I handle an event and run the program when I click on the view to test it nothing happens</p>
  <p>there is no error</p>
  <pre><code>class MainActivity : AppCompatActivity() {
  
      override fun onCreate(savedInstanceState: Bundle?) {
          super.onCreate(savedInstanceState)
  
          val binding = ActivityMainBinding.inflate(LayoutInflater.from(this))
  
          setContentView(R.layout.activity_main)
  
          //Test view binding
          binding.btnOneNumber.setOnClickListener { 
              binding.txtView.text = &quot;1&quot;
          }
  
      }
  }
  </code></pre>
  <p>this is my build.gradle</p>
  <pre><code>android{
    buildFeatures {
          viewBinding = true
      }
  }
  </code></pre>