agnamc9

List<Purchase> purchases = [
    Purchase(amount: 500),
    Purchase(amount: 1500),
    Purchase(amount: 1000),
];
var material = Materials(purchase: purchases);
var count = material.purchase
    .map((e) => e.amount)
    .toList()
    .fold(0, (previousValue, element) => previousValue + element);

agnamc9

private lateinit var binding: ActivityMainBinding

override fun onCreate(savedInstanceState: Bundle?) {
  super.onCreate(savedInstanceState)  
  ...
  binding.bodyContent.helloText.text = "Hello include body text"
  
}

agnamc9

<!-- activity_main.xml -->
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

agnamc9

class HomeFragment : Fragment() {

    private lateinit var binding: FragmentHomeBinding

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        
      binding = FragmentHomeBinding.inflate(inflater, container, false)
      binding.helloText.text = "Hello Fragment"
      
      return binding.root

agnamc9

// app/build/generated/data_binding_base_class_source_out/debug/out/io/github/agnamc/viewbindingdemo/databinding/ActivityMainBinding.java
public final class ActivityMainBinding implements ViewBinding {
  @NonNull
  private final LinearLayout rootView;

  @NonNull
  public final Button helloButton;

  @NonNull
  public final TextView helloText;

agnamc9

class MainActivity : AppCompatActivity() {

    private lateinit var binding: ActivityMainBinding

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        binding = ActivityMainBinding.inflate(layoutInflater)
        setContentView(binding.root)
      

agnamc9

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <TextView

agnamc9

val textView = findViewById<TextView>(R.id.text_view)

agnamc9

android {
    viewBinding {
        enabled = true
    }
}

agnamc9

String TESSBASE_PATH = Environment.getExternalStorageDirectory().toString() + "/tesseract/";

String[] files = {
                "fra.cube.bigrams",
                "fra.cube.fold",
                "fra.cube.lm",
                "fra.cube.nn",
                "fra.cube.params",
                "fra.cube.size",
                "fra.cube.word-freq",