ryto147

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.ryto.realmcoba">

    <application>
      ...
        <activity
            android:name=".MainForm"
            android:label="Form"
            android:parentActivityName=".MainActivity"

ryto147

package com.ryto.realmcoba;

import android.annotation.SuppressLint;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

ryto147

package com.ryto.realmcoba;

import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;

ryto147

package com.ryto.realmcoba;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

ryto147

package com.ryto.realmcoba;

import android.util.Log;

import androidx.annotation.NonNull;

import java.util.ArrayList;

import io.realm.Realm;
import io.realm.RealmResults;

ryto147

package com.ryto.realmcoba;

import io.realm.RealmObject;
import io.realm.annotations.PrimaryKey;
import io.realm.annotations.RealmField;
import io.realm.annotations.Required;

/*
 * jangan lupa tambahkan anotasinya ya
 *

ryto147

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.ryto.realmcoba">

    <application
        android:name=".MyApplication"
        ...
        ... >
    </application>

ryto147

package com.ryto.realmcoba;

import android.app.Application;

import androidx.annotation.Nullable;

import io.realm.DynamicRealm;
import io.realm.FieldAttribute;
import io.realm.Realm;
import io.realm.RealmConfiguration;

ryto147

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:android="http://schemas.android.com/apk/res/android">

    <item
        android:id="@+id/tambah"
        android:icon="@drawable/ic_control_point_black_24dp"
        android:title="Tambah"
        app:showAsAction="ifRoom" />
</menu>

ryto147

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_margin="5dp"
    android:background="#dddddd"
    android:orientation="vertical"
    android:padding="10dp">

    <TextView