AndroidManifest.xml

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

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme"
    android:name="com.orm.SugarApp"><!--Your package-->

        <!--Sugra Orm-->
        <!-- All you need to do is, specify SugarApp as your application class in AndroidManifest.xml. You do that by changing the android:name attribute of the application
        -->
        <meta-data android:name="DATABASE" android:value="kevin_db.db" /><!--Name of the generated sqlite database file. eg: app_name.db-->
        <meta-data android:name="VERSION" android:value="2" /><!--Version of your database schema.-->
        <meta-data android:name="QUERY_LOG" android:value="true" /><!--Logs the generated Select queries.-->
        <meta-data android:name="DOMAIN_PACKAGE_NAME" android:value="com.kevinjanvier.latterglory.sugarorm" /><!--Specify your package name 
-->
        <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>:

Gradle

compile 'com.github.satyan:sugar:1.4'

Main.java

  List<Todo> names;
    ArrayAdapter<Todo> adapter;
    ListView listView;

    EditText user, first, country;
    Button save;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        user = (EditText) findViewById(R.id.username);
        first = (EditText) findViewById(R.id.firstname);
        country = (EditText) findViewById(R.id.country);
        save = (Button) findViewById(R.id.savebtn);
        save.setOnClickListener(this);


        names = Todo.listAll(Todo.class);
        adapter = new ArrayAdapter<Todo>(this, R.layout.item_users,R.id.User, names);
        listView = (ListView) findViewById(R.id.listView);
        listView.setAdapter(adapter);

    }


    @Override
    public void onClick(View v) {
//        Load Entity From The database
        Todo todo = new Todo();
        todo.setFirstname(first.getText().toString().trim());
        todo.setUsername(user.getText().toString().trim());
        todo.setCountry(country.getText().toString().trim());
//Save From the Db
        todo.save();
        adapter.add(todo);
        user.getText().clear();
        first.getText().clear();
        country.getText().clear();
        Toast.makeText(this,"You have save"+ todo, Toast.LENGTH_LONG).show();


    }

Todo.java

public class Todo extends SugarRecord{
    String username;
    String firstname;
    String country;

    public Todo(){
    }

    public Todo(String username, String firstname, String country){
        this.username = username;
        this.firstname = firstname;
        this.country = country;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getFirstname() {
        return firstname;
    }

    public void setFirstname(String firstname) {
        this.firstname = firstname;
    }

    public String getCountry() {
        return country;
    }

    public void setCountry(String country) {
        this.country = country;
    }
//Here You can add more fields as you wish
    @Override
    public String toString() {
        return firstname;
    }

}