Remote controlling Parrot AR Drone with Spring Boot & Vaadin (JavaCro15)
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Wouldn't it be crazy to fly a small drone or helicopter with your phone or tablet running nothing but a web browser? This session will tell you all about it! Imagine a fully functional touch based user interface for remote controlling a small drone or a helicopter. This is doable with latest experimental integrations around drone controlling backend applications over WIFI with touch based control interface built with GWT or Vaadin. During the session such a system will be presented with full technology stack starting from GWT based frontend to the actual backend controller application written with Spring Boot.
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Remote controlling Parrot AR Drone with Spring Boot & Vaadin (JavaCro15)
- 1. Remote controlling Parrot AR Drone with Spring Boot & Vaadin Peter Lehto @peter_lehto expert & trainer
- 4. Server driven UI framework with GWT based thin client
- 6. WHY?
- 9. > var foo = [0]; > foo == !foo;
- 10. > var foo = [0]; > foo == !foo; > true
- 11. > [] + []; > var foo = [0]; > foo == !foo; > true
- 12. > [] + []; > > var foo = [0]; > foo == !foo; > true
- 13. > [] + []; > > [] + {}; > var foo = [0]; > foo == !foo; > true
- 14. > [] + []; > > [] + {}; > [object Object] > var foo = [0]; > foo == !foo; > true
- 15. > [] + []; > > [] + {}; > [object Object] > {} + []; > var foo = [0]; > foo == !foo; > true
- 16. > [] + []; > > [] + {}; > [object Object] > {} + []; > 0 > var foo = [0]; > foo == !foo; > true
- 17. > [] + []; > > [] + {}; > [object Object] > {} + []; > 0 > {} + {};> var foo = [0]; > foo == !foo; > true
- 18. > [] + []; > > [] + {}; > [object Object] > {} + []; > 0 > {} + {}; > NaN > var foo = [0]; > foo == !foo; > true
- 19. > [] + []; > > [] + {}; > [object Object] > {} + []; > 0 > {} + {}; > NaN > NaN == NaN; > var foo = [0]; > foo == !foo; > true
- 20. > [] + []; > > [] + {}; > [object Object] > {} + []; > 0 > {} + {}; > NaN > NaN == NaN; > false > var foo = [0]; > foo == !foo; > true
- 21. > [] + []; > > [] + {}; > [object Object] > {} + []; > 0 > {} + {}; > NaN > NaN == NaN; > false > typeof NaN; > var foo = [0]; > foo == !foo; > true
- 22. > [] + []; > > [] + {}; > [object Object] > {} + []; > 0 > {} + {}; > NaN > NaN == NaN; > false > typeof NaN; > number > var foo = [0]; > foo == !foo; > true
- 23. > [] + []; > > [] + {}; > [object Object] > {} + []; > 0 > {} + {}; > NaN > NaN == NaN; > false > typeof NaN; > number > var foo = [0]; > foo == !foo; > true
- 24. HOW?
- 25. Backend Server
- 31. GWT
- 32. GWT Write client-side part with Java
- 33. GWT Write client-side part with Java Java -> JavaScript optimizing compiler
- 34. GWT Write client-side part with Java Java -> JavaScript optimizing compiler JavaScript generated DOM
- 35. GWT Write client-side part with Java Java -> JavaScript optimizing compiler JavaScript generated DOM Browser specific Widgetset
- 36. GWT Write client-side part with Java Java -> JavaScript optimizing compiler JavaScript generated DOM Browser specific Widgetset No browser differences
- 37. GWT Write client-side part with Java Java -> JavaScript optimizing compiler JavaScript generated DOM Browser specific Widgetset No browser differences No browser plugins
- 38. GWT Write client-side part with Java Java -> JavaScript optimizing compiler JavaScript generated DOM Browser specific Widgetset No browser differences No browser plugins Look’n’feel with CSS theme
- 41. Vaadin
- 42. Vaadin Server-side = runs in JVM
- 43. Vaadin Server-side = runs in JVM Component based development model
- 44. Vaadin Server-side = runs in JVM Component based development model Events for interaction
- 45. Vaadin Server-side = runs in JVM Component based development model Events for interaction Transparent communication
- 46. Vaadin Server-side = runs in JVM Component based development model Events for interaction Transparent communication Secure
- 47. Vaadin Server-side = runs in JVM Component based development model Events for interaction Transparent communication Secure No need for JavaScript / HTML
- 48. Vaadin Server-side = runs in JVM Component based development model Events for interaction Transparent communication Secure No need for JavaScript / HTML Precompiled Widgetset
- 49. Vaadin Server-side = runs in JVM Component based development model Events for interaction Transparent communication Secure No need for JavaScript / HTML Precompiled Widgetset
- 54. How does Vaadin work, really?
- 56. JogDial jogDial = new JogDial(Size.MEDIUM); TextField x = new TextField(); TextField y = new TextField();
- 57. JogDial jogDial = new JogDial(Size.MEDIUM); TextField x = new TextField(); TextField y = new TextField(); jogDial.addMoveListener(e -> { x.setValue(e.getX()); y.setValue(e.getY()); });
- 58. JogDial jogDial = new JogDial(Size.MEDIUM); TextField x = new TextField(); TextField y = new TextField(); jogDial.addMoveListener(e -> { x.setValue(e.getX()); y.setValue(e.getY()); }); layout.addComponents(x, y, jogDial);
- 59. • Loader page • CSS Theme • Images • JavaScript
- 60. • Loader page • CSS Theme • Images • JavaScript 135k Compressed & reduced Thin client
- 64. JogDial jogDial = new JogDial(Size.MEDIUM); TextField x = new TextField(); TextField y = new TextField(); jogDial.addMoveListener(e -> { x.setValue(e.getX()); y.setValue(e.getY()); }); layout.addComponents(x, y, jogDial);
- 65. • moveCap(-0.5,0.5) • x.value=-0.5 y.value=0.5 351 bytes • jogDialMoved(-0.5,0.5) 314
- 68. Spring Framework Dependency injection Beans Spring MVC web applications and RESTful web services Data access, messaging and more.
- 70. Spring Data
- 72. Spring Data Spring Boot And much more…
- 77. Single point of focus
- 78. Single point of focus A tool for getting started quickly
- 79. Single point of focus A tool for getting started quickly Easily customizable
- 82. Maven POM hierarchy Annotation based configuration
- 83. Maven POM hierarchy Annotation based configuration Embedded web server
- 84. Spring Demo Approx 5 minutes.
- 88. ze zeventiger oren. ds Goed, ik ben +
- 89. UI and Views as Spring managed beans ze zeventiger oren. ds Goed, ik ben +
- 90. UI and Views as Spring managed beans @SpringUI / @SpringView ze zeventiger oren. ds Goed, ik ben +
- 91. UI and Views as Spring managed beans @SpringUI / @SpringView Scopes ze zeventiger oren. ds Goed, ik ben +
- 92. UI and Views as Spring managed beans @SpringUI / @SpringView Scopes @UIScope ze zeventiger oren. ds Goed, ik ben +
- 93. UI and Views as Spring managed beans @SpringUI / @SpringView Scopes @UIScope @ViewScope ze zeventiger oren. ds Goed, ik ben +
- 94. UI and Views as Spring managed beans @SpringUI / @SpringView Scopes @UIScope @ViewScope @VaadinSessionScope ze zeventiger oren. ds Goed, ik ben +
- 95. ze zeventiger oren. ds Goed, ik ben +
- 96. Access control ze zeventiger oren. ds Goed, ik ben +
- 98. Access control ViewAccessControl ViewInstanceAccessControl ze zeventiger oren. ds Goed, ik ben +
- 99. Access control ViewAccessControl ViewInstanceAccessControl Allows mixing Spring MVC and Vaadin to same “namespace” ze zeventiger oren. ds Goed, ik ben +
- 100. Access control ViewAccessControl ViewInstanceAccessControl Allows mixing Spring MVC and Vaadin to same “namespace” Automatic with Spring Boot ze zeventiger oren. ds Goed, ik ben +
- 101. ze zeventiger oren. ds Goed, ik ben +
- 102. Vaadin Spring Boot addon performs autoconfiguration ze zeventiger oren. ds Goed, ik ben +
- 103. Vaadin Spring Boot addon performs autoconfiguration VaadinServletConfigurationProperties ze zeventiger oren. ds Goed, ik ben +
- 104. Vaadin Spring Integration Demo Approx 10 minutes.
- 106. @SpringBootApplication @EnableTouchKitServlet public class Application { public static void main(String[] args) { SpringApplication.run(Application.class, args).start(); } @Bean DroneTemplate provideTemplate(TaskExecutor taskExecutor, DroneStateChangeCallback[] callbacks) throws UnknownHostException { return new DroneTemplate(taskExecutor, callbacks); } @Bean Drone provideDrone() { return new Drone(); } }
- 107. @SpringBootApplication @EnableTouchKitServlet public class Application { public static void main(String[] args) { SpringApplication.run(Application.class, args).start(); } @Bean DroneTemplate provideTemplate(TaskExecutor taskExecutor, DroneStateChangeCallback[] callbacks) throws UnknownHostException { return new DroneTemplate(taskExecutor, callbacks); } @Bean Drone provideDrone() { return new Drone(); } }
- 108. @SpringBootApplication @EnableTouchKitServlet public class Application { public static void main(String[] args) { SpringApplication.run(Application.class, args).start(); } @Bean DroneTemplate provideTemplate(TaskExecutor taskExecutor, DroneStateChangeCallback[] callbacks) throws UnknownHostException { return new DroneTemplate(taskExecutor, callbacks); } @Bean Drone provideDrone() { return new Drone(); } }
- 109. @SpringBootApplication @EnableTouchKitServlet public class Application { public static void main(String[] args) { SpringApplication.run(Application.class, args).start(); } @Bean DroneTemplate provideTemplate(TaskExecutor taskExecutor, DroneStateChangeCallback[] callbacks) throws UnknownHostException { return new DroneTemplate(taskExecutor, callbacks); } @Bean Drone provideDrone() { return new Drone(); } }
- 110. @TouchKitUI @Theme("drone") public class DroneUI extends UI implements InitializingBean, DisposableBean { @Autowired private DroneTemplate service; @Autowired private ControlPanel controlPanel; @Autowired private EventBus eventBus; @Autowired private DroneEmergencyDialog emergencyDialog;
- 111. @TouchKitUI @Theme("drone") public class DroneUI extends UI implements InitializingBean, DisposableBean { @Autowired private DroneTemplate service; @Autowired private ControlPanel controlPanel; @Autowired private EventBus eventBus; @Autowired private DroneEmergencyDialog emergencyDialog;
- 112. @TouchKitUI @Theme("drone") public class DroneUI extends UI implements InitializingBean, DisposableBean { @Autowired private DroneTemplate service; @Autowired private ControlPanel controlPanel; @Autowired private EventBus eventBus; @Autowired private DroneEmergencyDialog emergencyDialog;
- 113. @TouchKitUI @Theme("drone") public class DroneUI extends UI implements InitializingBean, DisposableBean { @Autowired private DroneTemplate service; @Autowired private ControlPanel controlPanel; @Autowired private EventBus eventBus; @Autowired private DroneEmergencyDialog emergencyDialog;
- 114. @Override public void afterPropertiesSet() throws Exception { eventBus.subscribe(this); } @EventBusListenerMethod protected void onEmergencyEvent(DroneEmergencyEvent event) { this.access(() -> emergencyDialog.show(event.getEmergencyType(), this)); } @EventBusListenerMethod protected void onLowBatteryEvent(DroneLowBatteryEvent event) { this.access(() -> emergencyDialog.show(Emergency.BATTERY, this)); } @Override public void destroy() throws Exception { eventBus.unsubscribe(this); } }
- 115. @Override public void afterPropertiesSet() throws Exception { eventBus.subscribe(this); } @EventBusListenerMethod protected void onEmergencyEvent(DroneEmergencyEvent event) { this.access(() -> emergencyDialog.show(event.getEmergencyType(), this)); } @EventBusListenerMethod protected void onLowBatteryEvent(DroneLowBatteryEvent event) { this.access(() -> emergencyDialog.show(Emergency.BATTERY, this)); } @Override public void destroy() throws Exception { eventBus.unsubscribe(this); } }
- 120. <<WIFI-HOTSPOT>> 192.168.1.1 AR Parrot Drone <<JVM>> <<Embedded-Jetty>> 192.168.1.2 <<Embedded-Jetty>> 192.168.1.2 Vaadin UI SpringBoot <<Browser>> (localhost / 192.168.1.3) User
- 121. <<VaadinUI>> DroneUI
- 127. @Component class UIEventProducer implements DroneStateCallback { @Autowired @EventBusScope(EventScope.APPLICATION) private EventBus eventBus;
- 128. @Override public void onDroneStateChanged(DroneState latestState) { if (latestState.isEmergency()) eventBus.publish(this, new DroneEmergencyEvent()); if (latestState.isBatteryTooLow()) eventBus.publish(this, new DroneLowBatteryEvent()); eventBus.publish(this, new DroneThetaEvent(this, latestState.getTheta())); eventBus.publish(this, new DroneAltitudeEvent(this, latestState.getAltitude())); } }
- 131. Getting started
- 132. Getting started
- 136. Download for Free vaadin.com/book PDF, ePub, HTML 9 789529 319701 ISBN 978-952-93-1970-1 9 789529 319701 ISBN 978-952-93-1970-1 Vol 1 288 pages Vol 2 434 pages
- 138. Lessons learned today 1. Drones are super cool!
- 139. Lessons learned today 1. Drones are super cool! 2. Vaadin is good for web apps, brings you great productivity
- 140. Lessons learned today 1. Drones are super cool! 2. Vaadin is good for web apps, brings you great productivity 3. Boot kickstarts development and helps you all the way
- 141. Lessons learned today 1. Drones are super cool! 2. Vaadin is good for web apps, brings you great productivity 3. Boot kickstarts development and helps you all the way 4. Official Vaadin Spring integration is already in Beta
- 142. Lessons learned today 1. Drones are super cool! 2. Vaadin is good for web apps, brings you great productivity 3. Boot kickstarts development and helps you all the way 4. Official Vaadin Spring integration is already in Beta 5. “Vaadin4Spring” will provide additional features
- 143. Thank you! Peter Lehto @peter_lehto expert & trainer