New to Android

Need help to complete this code ? Here is what i got so far

package com.kean.hibye_olanread; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } } I want the code to be abble to print this resuit...  ------------------------------------------------------------------------------------ 

Here is what is on my 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:layout_width="match_parent"  android:layout_height="match_parent"  android:background="@drawable/background"  tools:context="com.kean.hibye_olanread.MainActivity"> TextView  android:id="@+id/textView"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:text="Push a Button"  android:textAppearance="@android:style/TextAppearance.Large"  android:textColor="@color/color_gold"  tools:text="@string/push_string"  android:layout_marginRight="8dp"  app:layout_constraintRight_toRightOf="parent"  android:layout_marginLeft="8dp"  app:layout_constraintLeft_toLeftOf="parent"  app:layout_constraintTop_toTopOf="parent"  android:layout_marginTop="8dp"  app:layout_constraintBottom_toBottomOf="parent"  android:layout_marginBottom="8dp"  app:layout_constraintVertical_bias="0.038" /> TextView  android:id="@+id/textView2"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:text="Welcome"  android:textAppearance="@android:style/TextAppearance.Large"  android:textColor="@android:color/black"  tools:text="@string/initial_string"  android:layout_marginLeft="8dp"  app:layout_constraintLeft_toLeftOf="parent"  android:layout_marginRight="8dp"  app:layout_constraintRight_toRightOf="parent"  app:layout_constraintTop_toTopOf="parent"  android:layout_marginTop="8dp"  app:layout_constraintBottom_toBottomOf="parent"  android:layout_marginBottom="8dp"  app:layout_constraintVertical_bias="0.149" /> ImageView  android:id="@+id/imageView"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:contentDescription="@string/waving_img"  app:srcCompat="@drawable/waving"  app:layout_constraintTop_toTopOf="parent"  android:layout_marginTop="8dp"  app:layout_constraintBottom_toBottomOf="parent"  android:layout_marginBottom="8dp"  android:layout_marginRight="8dp"  app:layout_constraintRight_toRightOf="parent"  android:layout_marginLeft="8dp"  app:layout_constraintLeft_toLeftOf="parent"  app:layout_constraintHorizontal_bias="0.502"  app:layout_constraintVertical_bias="0.347" /> Button  android:id="@+id/button"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:background="@drawable/btn_green"  android:text="@string/hi_btn"  android:textAppearance="@android:style/TextAppearance.Large"  android:textColor="@color/color_magenta"  android:layout_marginRight="8dp"  app:layout_constraintRight_toRightOf="parent"  android:layout_marginLeft="8dp"  app:layout_constraintLeft_toLeftOf="parent"  app:layout_constraintBottom_toBottomOf="parent"  android:layout_marginBottom="8dp"  app:layout_constraintTop_toTopOf="parent"  android:layout_marginTop="8dp"  app:layout_constraintHorizontal_bias="0.143"  app:layout_constraintVertical_bias="0.812" /> Button  android:id="@+id/button2"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:background="@drawable/btn_orange"  android:text="@string/bye_btn"  android:textAppearance="@android:style/TextAppearance.Large"  android:textColor="@color/color_cyan"  android:layout_marginRight="8dp"  app:layout_constraintRight_toRightOf="parent"  android:layout_marginLeft="8dp"  app:layout_constraintLeft_toLeftOf="parent"  app:layout_constraintBottom_toBottomOf="parent"  android:layout_marginBottom="8dp"  app:layout_constraintTop_toTopOf="parent"  android:layout_marginTop="8dp"  app:layout_constraintHorizontal_bias="0.829"  app:layout_constraintVertical_bias="0.812" /> android.support.constraint.ConstraintLayout>