Notes

Main activity

package com.example.blog;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.app.Activity;
import android.app.ListActivity;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
import android.net.Uri;
import android.os.Bundle;
import android.support.constraint.ConstraintLayout;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.DefaultItemAnimator;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import android.app.ListActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class MainActivity extends Activity {

private RecyclerView mRecyclerView;
private ListViewAdaptor mAdapter;
private List<Data> mDataList = new ArrayList<>();

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


// String[] values = new String[] { "a", "b", "c", "d", "e", "f", "g",
// "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s",
// "t", "u", "w", "x", "y", "z" };
//
// ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
// android.R.layout.simple_list_item_single_choice, values);
// setListAdapter(adapter);
// getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
mRecyclerView = (RecyclerView) findViewById(R.id.recycler_view);

mAdapter = new ListViewAdaptor(mDataList);
RecyclerView.LayoutManager mLayoutManager = new LinearLayoutManager(getApplicationContext());
mRecyclerView.setLayoutManager(mLayoutManager);
mRecyclerView.setItemAnimator(new DefaultItemAnimator());
mRecyclerView.setHasFixedSize(true);
mRecyclerView.setAdapter(mAdapter);
prepareList();
}

public void myClickHandler(View v)
{

//reset all the listView items background colours before we set the clicked one..
// ListView lvItems = getListView();
// for (int i=0; i<lvItems.getChildCount(); i++)
// {
// lvItems.getChildAt(i).setBackgroundColor(Color.BLUE);
// }


//get the row the clicked button is in
ConstraintLayout vwParentRow = (ConstraintLayout)v.getParent();

// TextView child = (TextView)vwParentRow.getChildAt(0);
Button btnChild = (Button)vwParentRow.getChildAt(3);
EditText ed = (EditText)vwParentRow.getChildAt(4);
String str = ed.getText().toString();

// btnChild.setText(child.getText());
btnChild.setText("I've been clicked!");

//https://regex101.com/r/cO8lqs/6
//https://medium.com/factory-mind/regex-tutorial-a-simple-cheatsheet-by-examples-649dc1c3f285
String number = "";
Pattern pattern = Pattern.compile("(\w)*(\+|\w)(\d)+(\D)*$");
Matcher matcher = pattern.matcher(str);
if (matcher.find())
{
System.out.println("wwww " + matcher.group(0));
number = matcher.group(0);
}

int c = Color.CYAN;

vwParentRow.setBackgroundColor(c);
vwParentRow.refreshDrawableState();

try {
Intent callIntent = new Intent(Intent.ACTION_DIAL);
callIntent.setData(Uri.parse("tel:"+number));
getApplicationContext().startActivity(callIntent);
} catch (ActivityNotFoundException activityException) {
Toast.makeText(getApplicationContext(), "call failed", Toast.LENGTH_LONG).show();
}
}
// mDataList.clear();
// Data data = new Data("Item*","Price4",R.drawable.ok);
// mDataList.add(data);
// data = new Data("Item+","Price5",R.drawable.ok);
// mDataList.add(data);

public void prepareList(){
Data data = new Data("Item1 item item item Item1 item item item Item1 item item item Item1 item item item Item1 item item itemItem1 item item item Item1 item item item","Price1",R.drawable.ok);
mDataList.add(data);
data = new Data("Item1 item item item Item1 item item item Item1 item item item Item1 item item item Item1 item item itemItem1 item item item Item1 item item item ,+++012358746","Price2",R.drawable.ok);
mDataList.add(data);
data = new Data("Item1 item item item Item1 item item item Item1 item item item Item1 item item item Item1 item item itemItem1 item item item Item1 item item item ..0178459875","Price3",R.drawable.ok);
mDataList.add(data);
data = new Data("Item1 item item item Item1 item item item Item1 item item item Item1 item item item Item1 item item itemItem1 item item item Item1 item item item","Price4",R.drawable.ok);
mDataList.add(data);
data = new Data("Item1 item item item Item1 item item item Item1 item item item Item1 item item item Item1 item item itemItem1 item item item Item1 item item item","Price5",R.drawable.ok);
mDataList.add(data);

data = new Data("Item1 item item item Item1 item item item Item1 item item item Item1 item item item Item1 item item itemItem1 item item item Item1 item item item","Price2",R.drawable.ok);
mDataList.add(data);
data = new Data("Item1 item item item Item1 item item item Item1 item item item Item1 item item item Item1 item item itemItem1 item item item Item1 item item item","Price3",R.drawable.ok);
mDataList.add(data);
data = new Data("Item1 item item item Item1 item item item Item1 item item item Item1 item item item Item1 item item itemItem1 item item item Item1 item item item","Price4",R.drawable.ok);
mDataList.add(data);
data = new Data("Item1 item item item Item1 item item item Item1 item item item Item1 item item item Item1 item item itemItem1 item item item Item1 item item item","Price5",R.drawable.ok);
mDataList.add(data);
}


// @Override
// public boolean onCreateOptionsMenu(Menu menu) {
// // getMenuInflater().inflate(R.menu.main, menu);
// return true;
// }
//
// @Override
// public boolean onOptionsItemSelected(MenuItem item) {
// Toast.makeText(this,
// String.valueOf(getListView().getCheckedItemCount()),
// Toast.LENGTH_LONG).show();
// Toast.makeText(this,
// "This is working",
// Toast.LENGTH_LONG).show();
// System.out.println("wwww working !!!!!!");
// return true;
// }
}

Menifest
<uses-permission android:name="android.permission.CALL_PHONE" />


list_view
<?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:id="@+id/linearLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content">

<ImageView
android:id="@+id/image"
android:layout_width="72dp"
android:layout_height="72dp"
android:layout_marginBottom="11dp"
android:src="@mipmap/ic_launcher"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/name"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />

<TextView
android:id="@+id/name1"
android:layout_width="0dp"
android:layout_height="0dp"
android:gravity="center"
android:text="name"
android:textSize="26sp"
app:layout_constraintBaseline_toBaselineOf="@+id/price"
app:layout_constraintEnd_toStartOf="@+id/price"
app:layout_constraintStart_toEndOf="@+id/image" />

<TextView
android:id="@+id/price"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="2dp"
android:layout_marginBottom="8dp"
android:gravity="center"
android:text="price"
android:textSize="26sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/BtnToClick"
app:layout_constraintStart_toEndOf="@+id/name"
app:layout_constraintTop_toTopOf="parent" />

<Button
android:id="@+id/BtnToClick"
android:layout_width="101dp"
android:layout_height="80dp"
android:gravity="center"
android:onClick="myClickHandler"

android:text="Click me!"
app:layout_constraintBaseline_toBaselineOf="@+id/price"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="@+id/price"></Button>

<EditText
android:id="@+id/name"
android:layout_width="101dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp"
android:layout_marginTop="1dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_marginBottom="8dp"
android:ems="10"

android:inputType="textMultiLine"
android:text="item"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/price"
app:layout_constraintStart_toStartOf="@+id/name1"
app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>