aditrioka

data class Person(val name: String, val gender: Gender,
                  var age: Int = 0, var email: String = "") {

    fun doWork() {
        println("*working*")
    }

    fun doEat() {
        println("*eating*")
    }

aditrioka

fun Person.doDance() {
    println("*dancing*")
}

val Person.isOld get() = age >= 25

aditrioka

val lambda: (Person) -> Boolean = { p -> p.name.startsWith("H") }
// 

aditrioka

fun <T> doConditionally(people: MutableList<T>, 
                        condition: (T) -> Boolean, 
                        action: (T) -> Unit) {
    people.forEach {
        if (condition(it)) action(it)
    }
}

aditrioka

package id.binarykitchen.gemarbelajar;

import android.content.Context;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

aditrioka

package id.binarykitchen.gemarbelajar;

import android.content.Context;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

aditrioka

// we initialize moengage in applicaiton class

public class StudentApplication {
  
  @Override
  public void onCreate() {
    super.onCreate();
    
    setupMoengage();
  }

aditrioka

// this function is called after login success
private fun onLoginSuccess(successResponse: LoginSuccessResponse) {
        if (userRepo.uoc != successResponse.uoc) {
            MoEHelper.getInstance(mContext).setAlias(successResponse.uoc)
        } else {
            MoEHelper.getInstance(mContext).apply {
                setUniqueId(userRepo.uoc)
                setFullName(successResponse.name)
                setEmail(successResponse.email)
            }

aditrioka

// this function is called when logout
public void logout() {
  MoEHelper.getInstance(mContext).logoutUser();  
}

aditrioka

<!-- we added fullBackupContent in application tag accordingly as described in the documentation -->

<application
    android:name=".StudentApplication"
    android:fullBackupContent="@xml/backup_descriptor">
    
    <!-- ... -->
    
 </application