javikin

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"    
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <FrameLayout
        android:id="@+id/textureView"
        android:background="@color/white"

javikin

/**
   * Crop a image taking a recerence a view parent like a frame, and a view child like final
   * reference
   *
   * @param bitmap image to crop
   * @param frame where the image is set it
   * @param reference frame to take reference for crop the image
   * @return image already cropped
   */
  public static byte[] cropImage(Bitmap bitmap, View frame, View reference){

javikin

class MainActivity : Activity() {
    
    ...

    override fun onCreate(savedInstanceState: Bundle?) {
        ...
        mAdapter = MyAdapter(myDataset, {onClickActionItemList(it)}, {onClickActionButtonItemList(it)})
        ...
    }

javikin

class MyAdapter(val mDataset: Array<String>,
                val itemClickListener: (String) -> Unit,
                val itemClickButtonListener: (String) -> Unit) :
        RecyclerView.Adapter<MyAdapter.ViewHolder>() {
          
   ...

    class ViewHolder(var mView: View) : RecyclerView.ViewHolder(mView) {
        fun bind(item: String,
                 itemClickListener: (String) -> Unit,

javikin

public class MainActivity extends Activity implements MyAdapter.CallBackItemList{
    
    ...

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        ...
        mAdapter = new MyAdapter(myDataset, this);
        ...

javikin

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {

    ...
    private CallBackItemList mListener;

    public MyAdapter(String[] myDataset, CallBackItemList listener) {
        ...
        mListener = listener;
    }

javikin

button.setOnClickListener { "Click".shortToast() }

javikin

fun String.shortToast() {
    Toast.makeText(App.context(), this, Toast.LENGTH_SHORT).show()
}

javikin

button.setOnClickListener ({v -> Toast.makeText(v.context, "Yellow", Toast.LENGTH_SHORT).show() })

javikin

public class MainActivity extends Activity implements OnClickListener {
    ...
        
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        ...
        button.setOnClickListener(this);
    }
    
    public void onClick(View v) {