This is a part of an online Codename One course published around 2017 see it all for free at https://debugagent.com/series/cn1

1. Creating an Uber Clone - Part XXI

2. private MapContainer mc;
private AutoCompleteAddressInput lastFocused;
private MapListener lastMapListener;
private UITimer lastTimer;
private Button whereTo;
private Container mapLayer;
private boolean inNavigationMode;
MapForm

3. private MapContainer mc;
private AutoCompleteAddressInput lastFocused;
private MapListener lastMapListener;
private UITimer lastTimer;
private Button whereTo;
private Container mapLayer;
private boolean inNavigationMode;
MapForm

4. private MapContainer mc;
private AutoCompleteAddressInput lastFocused;
private MapListener lastMapListener;
private UITimer lastTimer;
private Button whereTo;
private Container mapLayer;
private boolean inNavigationMode;
MapForm

5. private MapContainer mc;
private AutoCompleteAddressInput lastFocused;
private MapListener lastMapListener;
private UITimer lastTimer;
private Button whereTo;
private Container mapLayer;
private boolean inNavigationMode;
MapForm

6. private MapContainer mc;
private AutoCompleteAddressInput lastFocused;
private MapListener lastMapListener;
private UITimer lastTimer;
private Button whereTo;
private Container mapLayer;
private boolean inNavigationMode;
MapForm

7. private MapContainer mc;
private AutoCompleteAddressInput lastFocused;
private MapListener lastMapListener;
private UITimer lastTimer;
private Button whereTo;
private Container mapLayer;
private boolean inNavigationMode;
MapForm

8. private MapContainer mc;
private AutoCompleteAddressInput lastFocused;
private MapListener lastMapListener;
private UITimer lastTimer;
private Button whereTo;
private Container mapLayer;
private boolean inNavigationMode;
MapForm

9. void showNavigationToolbar() {
final Container layer = getLayeredPane(MapForm.class, true);
layer.setName("MapFormLayer");
layer.setLayout(new BorderLayout());
final Container pinLayer = getLayeredPane(AutoCompleteAddressInput.class, false);
pinLayer.setName("PinLayer");
pinLayer.setLayout(new BorderLayout(CENTER_BEHAVIOR_CENTER_ABSOLUTE));
Image pin = Resources.getGlobalResources().getImage("Pin.png");
Label pinLabel = new Label(pin);
MapLayout.setHorizontalAlignment(pinLabel, MapLayout.HALIGN.CENTER);
MapLayout.setVerticalAlignment(pinLabel, MapLayout.VALIGN.BOTTOM);
pinLayer.add(CENTER, pinLabel);
Button back = new Button("", "TitleCommand");
FontImage.setMaterialIcon(back, FontImage.MATERIAL_ARROW_BACK);
CompletionContainer cc = new CompletionContainer();
AutoCompleteAddressInput from =
new AutoCompleteAddressInput("Current Location", "From",layer,cc);
AutoCompleteAddressInput to =
new AutoCompleteAddressInput("", "Where To?", layer, cc);
from.setCurrentLocation(LocationService.getCurrentLocation());
Image circle = Image.createImage(square.getWidth(),square.getHeight(),0);
Graphics g = circle.getGraphics();
showNavigationToolbar

10. void showNavigationToolbar() {
final Container layer = getLayeredPane(MapForm.class, true);
layer.setName("MapFormLayer");
layer.setLayout(new BorderLayout());
final Container pinLayer = getLayeredPane(AutoCompleteAddressInput.class, false);
pinLayer.setName("PinLayer");
pinLayer.setLayout(new BorderLayout(CENTER_BEHAVIOR_CENTER_ABSOLUTE));
Image pin = Resources.getGlobalResources().getImage("Pin.png");
Label pinLabel = new Label(pin);
MapLayout.setHorizontalAlignment(pinLabel, MapLayout.HALIGN.CENTER);
MapLayout.setVerticalAlignment(pinLabel, MapLayout.VALIGN.BOTTOM);
pinLayer.add(CENTER, pinLabel);
Button back = new Button("", "TitleCommand");
FontImage.setMaterialIcon(back, FontImage.MATERIAL_ARROW_BACK);
CompletionContainer cc = new CompletionContainer();
AutoCompleteAddressInput from =
new AutoCompleteAddressInput("Current Location", "From",layer,cc);
AutoCompleteAddressInput to =
new AutoCompleteAddressInput("", "Where To?", layer, cc);
from.setCurrentLocation(LocationService.getCurrentLocation());
Image circle = Image.createImage(square.getWidth(),square.getHeight(),0);
Graphics g = circle.getGraphics();
showNavigationToolbar

11. from.setCurrentLocation(LocationService.getCurrentLocation());
Image circle = Image.createImage(square.getWidth(),square.getHeight(),0);
Graphics g = circle.getGraphics();
g.setColor(0xa4a4ac);
g.setAntiAliased(true);
g.fillArc(0, 0, circle.getWidth(), circle.getHeight(), 0, 360);
final Label fromSelected = new Label(circle);
final Label toSelected = new Label(square);
SearchService.nameMyCurrentLocation(
LocationService.getCurrentLocation(), name -> from.setTextNoEvent(name));
to.requestFocus();
lastFocused = to;
from.addFocusListener(new FocusListener() {
@Override
public void focusGained(Component cmp) {
fromSelected.setIcon(square);
lastFocused = from;
}
@Override
public void focusLost(Component cmp) {
fromSelected.setIcon(circle);
}
showNavigationToolbar

12. @Override
public void focusLost(Component cmp) {
toSelected.setIcon(circle);
}
});
addMapListener((source, zoom, center) -> {
if(lastTimer != null) {
lastTimer.cancel();
}
lastTimer = UITimer.timer(500, false, () -> {
lastTimer = null;
SearchService.nameMyCurrentLocation(
new Location(center.getLatitude(), center.getLongitude()),
name -> {
lastFocused.setTextNoEvent(name);
lastFocused.setCurrentLocation(
new Location(center.getLatitude(), center.getLongitude()));
});
});
});
Container navigationToolbar = BoxLayout.encloseY(back,
showNavigationToolbar

13. lastFocused.setCurrentLocation(
new Location(center.getLatitude(), center.getLongitude()));
});
});
});
Container navigationToolbar = BoxLayout.encloseY(back,
BorderLayout.centerCenterEastWest(from, null, fromSelected),
BorderLayout.centerCenterEastWest(to, null, toSelected)
);
navigationToolbar.setUIID("WhereToToolbar");
navigationToolbar.getUnselectedStyle().setBgPainter((g1, rect) -> {
g1.setAlpha(255);
g1.setColor(0xffffff);
if(dropShadow != null) {
if(((BorderLayout)layer.getLayout()).getCenter() != null) {
g1.fillRect(rect.getX(), rect.getY(), rect.getWidth(), rect.getHeight());
}
g1.drawImage(dropShadow, rect.getX() - shadowHeight, rect.getY() +
rect.getHeight() - dropShadow.getHeight() / 4 * 3);
g1.fillRect(rect.getX(), rect.getY(), rect.getWidth(), rect.getY() +
rect.getHeight() - shadowHeight);
} else {
showNavigationToolbar

14. g1.fillRect(rect.getX(), rect.getY(), rect.getWidth(), rect.getY() +
rect.getHeight() - shadowHeight);
} else {
g1.fillRect(rect.getX(), rect.getY(), rect.getWidth(), rect.getHeight());
}
g1.setColor(0xa4a4ac);
g1.setAntiAliased(true);
int x = fromSelected.getAbsoluteX() + fromSelected.getWidth() / 2 - 1;
int y = fromSelected.getAbsoluteY() + fromSelected.getHeight() / 2 +
circle.getHeight() / 2;
g1.fillRect(x, y, 2, toSelected.getAbsoluteY() - y +
toSelected.getHeight() / 2 - circle.getHeight() / 2);
});
cc.addCompletionListener(e -> {
if(to.getCurrentLocation() != null) {
SearchService.directions(from.getCurrentLocation(), to.getCurrentLocation(),
(path, duration, distance) -> {
enterNavigationMode(pinLayer, navigationToolbar, layer, path,
from.getText(), to.getText(), duration);
});
}
showNavigationToolbar

15. SearchService.directions(from.getCurrentLocation(), to.getCurrentLocation(),
(path, duration, distance) -> {
enterNavigationMode(pinLayer, navigationToolbar, layer, path,
from.getText(), to.getText(), duration);
});
}
});
back.addActionListener(e -> {
pinLayer.removeAll();
navigationToolbar.setY(-navigationToolbar.getHeight());
layer.getComponentAt(1).setY(getDisplayHeight());
navigationToolbar.getParent().animateUnlayout(200, 120, () -> {
layer.removeAll();
revalidate();
});
});
layer.add(NORTH, navigationToolbar);
navigationToolbar.setWidth(getDisplayWidth());
navigationToolbar.setHeight(getPreferredH());
navigationToolbar.setY(-navigationToolbar.getHeight());
getAnimationManager().addAnimation(layer.createAnimateLayout(200),
() -> cc.showCompletionBar(layer));
}
showNavigationToolbar

16. private void addMapListener(MapListener ml) {
if(lastMapListener != null) {
mc.removeMapListener(lastMapListener);
}
lastMapListener = ml;
mc.addMapListener(ml);
}
addMapListener