Android TextView clickable (from https://www.tutorialspoint.com/how-to-set-the-part-of-the-android-textview-as-clickable)

activity_main.xml

<?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"
   tools:context=".MainActivity">
   <TextView
      android:id="@+id/textView"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:text="I want THIS and THIS to be CLICKED!"
      android:layout_centerInParent="true"
      android:textSize="16sp"
      android:textStyle="bold|italic"/>
</RelativeLayout>

androidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="app.com.sample">
   <application
      android:allowBackup="true"
      android:icon="@mipmap/ic_launcher"
      android:label="@string/app_name"
      android:roundIcon="@mipmap/ic_launcher_round"
      android:supportsRtl="true"
      android:theme="@style/AppTheme">
      <activity android:name=".MainActivity">
         <intent-filter>
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
         </intent-filter>
      </activity>
   </application>
</manifest>

MainActivity.java

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.SpannableString;
import android.text.Spanned;
import android.text.method.LinkMovementMethod;
import android.text.style.ClickableSpan;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
   TextView textView;
   @Override
   protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
      textView = findViewById(R.id.textView);
      String text = "I want THIS and THIS to be CLICKED";
      SpannableString spannableString = new SpannableString(text);
      ClickableSpan clickableSpan1 = new ClickableSpan() {
         @Override
         public void onClick(View widget) {
            Toast.makeText(MainActivity.this, "THIS", Toast.LENGTH_SHORT).show();
         }
      };
      ClickableSpan clickableSpan2 = new ClickableSpan() {
         @Override
         public void onClick(View widget) {
            Toast.makeText(MainActivity.this, "THIS", Toast.LENGTH_SHORT).show();
         }
      };
      ClickableSpan clickableSpan3 = new ClickableSpan() {
         @Override
         public void onClick(View widget) {
            Toast.makeText(MainActivity.this, "CLICKED", Toast.LENGTH_SHORT).show();
         }
      };
      spannableString.setSpan(clickableSpan1, 7,11, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
      spannableString.setSpan(clickableSpan2, 16,20, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
      spannableString.setSpan(clickableSpan3, 27,34, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
      textView.setText(spannableString);
      textView.setMovementMethod(LinkMovementMethod.getInstance());
   }
}