Create Dynamic views in Andorid Studio.

Creating New Project.
Open android studio and create a new project.
File => New => New Project => Configure your new project => Select the form factor yours app will run on => Add an Activity to Mobile => Customize the Activity => Finish.

Create Xml file in project.   
Open => app => res => layout - activity_main.xml.

<?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/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="desktop.laptop.com.customdemo.MainActivity">

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <LinearLayout
                android:id="@+id/linearPlus"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_centerInParent="true"
                android:layout_marginTop="10dp"
                android:orientation="vertical">

            </LinearLayout>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_centerInParent="true"
                android:layout_marginTop="16dp"
                android:gravity="center"
                android:orientation="vertical">

                <Button
                    android:id="@+id/btPlus"
                    android:layout_width="32dp"
                    android:layout_height="36dp"
                    android:text="+"
                    android:textColor="#000000" />
            </LinearLayout>
        </LinearLayout>
    </ScrollView>
</android.support.constraint.ConstraintLayout>

Create Add View file in project.   
Open => app => res => layout - add_view.xml.

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/root"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_marginTop="8dp"
    android:background="#cccccc"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="8dp"
        android:layout_marginRight="18dp"
        android:orientation="horizontal">

        <TextView
            android:id="@+id/txtBook"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Guide(s)"
            android:textColor="#000000" />

        <EditText
            android:id="@+id/etBook"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="68dp"
            android:ems="10"
            android:inputType="textEmailAddress"
            android:paddingLeft="8dp"
            android:textColor="#000000" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="8dp"
        android:layout_marginRight="18dp"
        android:layout_marginTop="12dp"
        android:orientation="horizontal">

        <TextView
            android:id="@+id/txtAuthor"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Author/Publisher"
            android:textColor="#000000" />

        <EditText
            android:id="@+id/etAuthor"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="14dp"
            android:ems="10"
            android:inputType="textEmailAddress"
            android:paddingLeft="8dp"
            android:textColor="#000000" />
    </LinearLayout>
</LinearLayout>

Create the Java file in project.
Open app => main => src = MainActivity.java.

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {
    List<ModelBook> dataArray = new ArrayList<>();
    List<ModelBookUI> UIArray = new ArrayList<>();
    int position = 0;
    Button plusButton;
    LinearLayout plusLinearLayout;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        plusLinearLayout = (LinearLayout) findViewById(R.id.linearPlus);
        plusButton = (Button) findViewById(R.id.btPlus);

        plusButton.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View view) {

                position = UIArray.size();

                UIArray.add(AddView("lay" + position, position, plusLinearLayout));
            }
        });

    }

    /**********************
     * Add new view
     **************************/
    private ModelBookUI AddView(String tag, int position, LinearLayout parent) {

        LayoutInflater inflater = LayoutInflater.from(MainActivity.this);

        View child = inflater.inflate(R.layout.add_book, parent, false);

        EditText book = (EditText) child.findViewById(R.id.etBook);
        EditText author = (EditText) child.findViewById(R.id.etAuthor);

        LinearLayout root = (LinearLayout) child.findViewById(R.id.root);

        root.setTag(tag);

        ModelBookUI model = new ModelBookUI();

        model.book_name = book;
        model.author = author;

        parent.addView(child);

        return model;
    }
}
Create the Java file in project.
Open app => main => src = ModelBook.java.

public class ModelBook {

    public String book;
    public String author;
}

Create the Java file in project.
Open app => main => src = ModelBookUI.java.

import android.widget.EditText;

public class ModelBookUI {

    public EditText book_name;
    public EditText author;
}




Screen Shot:-

Button Click

Add View

May this code help you. Thanks!!!!!!