Android EditText Stupidity

package com.inadaydevelopment.myapp;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        ListView listView = (ListView) findViewById(android.R.id.list);
        listView.setAdapter(new MyAdapter(getLayoutInflater()));
    }

    public class MyAdapter extends BaseAdapter {

        private LayoutInflater layoutInflater;

        private final int minDeltaForReFocus = 300;           // threshold in ms
        private long focusTime = 0;                 // time of last touch
        private View focusTarget = null;

        View.OnFocusChangeListener onFocusChangeListener = new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View view, boolean hasFocus) {
                long t = System.currentTimeMillis();
                long delta = t - focusTime;
                if (hasFocus) {     // gained focus
                    if (delta > minDeltaForReFocus) {
                        focusTime = t;
                        focusTarget = view;
                    }
                }
                else {              // lost focus
                    if (delta <= minDeltaForReFocus &&  view == focusTarget) {
                        focusTarget.post(new Runnable() {   // reset focus to target
                            public void run() {
                                Log.d("BA", "requesting focus");
                                focusTarget.requestFocus();
                            }
                        });
                    }
                }
            }
        };

        public MyAdapter(LayoutInflater inflater) {
            this.layoutInflater = inflater;
        }

        @Override
        public int getCount() {
            return 3;
        }

        @Override
        public Object getItem(int position) {
            return position;
        }

        @Override
        public long getItemId(int position) {
            return position;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {

            if (convertView == null) {
                convertView = layoutInflater.inflate(R.layout.cell_textfield, parent, false);
            }

            TextView label = (TextView) convertView.findViewById(R.id.textview1);
            EditText textfield = (EditText) convertView.findViewById(R.id.textview2);

            String text = String.format("Row %d", position);
            label.setText(text);
            textfield.setText(text);
            textfield.setOnFocusChangeListener(this.onFocusChangeListener);

            return convertView;
        }
    }
}

// ----------- R.layout.activity_main ---------------

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
    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"
    tools:context="com.inadaydevelopment.myapp.MainActivity">

    <LinearLayout
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:layout_width="0px"
        android:layout_height="0px"/>

    <ListView
        android:id="@android:id/list"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:descendantFocusability="afterDescendants"
        >

    </ListView>

</android.support.constraint.ConstraintLayout>


// ----------- R.layout.cell_textfield ---------------
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:minHeight="?attr/listPreferredItemHeight"
    android:paddingStart="?attr/listPreferredItemPaddingLeft"
    android:paddingEnd="?attr/listPreferredItemPaddingRight"
    >

    <TextView android:id="@+id/textview1"
              android:layout_height="match_parent"
              android:layout_width="80dp"
              android:layout_centerVertical="true"
              android:text="Title"

        />

    <EditText android:id="@+id/textview2"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:layout_toEndOf="@id/textview1"
              android:layout_centerVertical="true"
              android:text="Detail"
              android:layout_marginStart="21dp"

        />

</RelativeLayout>