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NavigationView

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public class NavigationView extends RelativeLayout

A View which displays a map for navigation.

Users of this class must forward all the life cycle methods from the Activity or Fragment containing this view to the corresponding ones in this class. In particular, you must forward on the following methods:

If the NavView is added after its parent Activity or Fragment has been through its creation lifecycle, you must call onCreate(Bundle), onStart() and onResume() manually to properly initialize it. Similarly, if a NavView is detached from its parent Activity or Fragment, you must manually call onPause(), onStop() and onDestroy() to prevent leaks.

Note: You are advised not to add children to this view.

All calls to NavView should be performed on the UI thread.

Nested Class Summary

interface NavigationView.OnNightModeChangedListener Interface for a listener which will be notified when the UI enters or exits "night mode". 
interface NavigationView.OnRecenterButtonClickedListener Interface for a listener which will be notified when the recenter button is clicked. 

Inherited Constant Summary

Inherited Field Summary

Public Constructor Summary

NavigationView(Context context)
NavigationView(Context context, AttributeSet attrs)
NavigationView(Context context, AttributeSet attrs, int defStyleAttr)

Public Method Summary

Camera
getCamera()
Returns a camera object which can be used to alter the viewport of the map.
NavigationMap
getMap()
Returns an object which can be used to add content to the map.
void
onConfigurationChanged(Configuration config)
void
onCreate(Bundle savedInstanceState)
void
onDestroy()
void
onPause()
void
onResume()
void
onSaveInstanceState(Bundle outState)
void
onStart()
void
onStop()
void
onTrimMemory(int level)
void
setCalloutInfoDisplayModeOverride(NavigationCalloutDisplayMode calloutInfoDisplayModeOverride)
Overrides default display mode for ETA callouts during navigation.
void
setCalloutInfoFormatOverride(RouteCalloutInfoFormat calloutInfoFormatOverride)
Sets the callout info format mode for route callouts.
void
setCompassEnabled(boolean enabled)
Sets whether the compass is visible.
void
setCustomControl(View control, CustomControlPosition position)
Sets a custom control view which will appear at the given position in the navigation UI.
void
setEtaCardEnabled(boolean enabled)
Sets whether the ETA card is visible during navigation.
void
setForceNightMode(int nightMode)
Sets the current ForceNightMode.
void
setHeaderEnabled(boolean enabled)
Sets whether the turn-by-turn navigation header is visible during navigation.
void
setOnNightModeChangedListener(NavigationView.OnNightModeChangedListener listener)
Sets a listener which will be notified immediately of the current "night mode" state and whenever when the UI enters or exits "night mode".
void
setOnRecenterButtonClickedListener(NavigationView.OnRecenterButtonClickedListener listener)
Sets a listener which will be notified when the recenter button is clicked.
void
setRecenterButtonEnabled(boolean enabled)
Sets whether the re-center button should be shown.
void
setSpeedAlertOptions(SpeedAlertOptions speedAlertOptions)
Sets SpeedAlertOptions for customizing the triggering thresholds for SpeedAlertSeveritys.
void
setSpeedLimitIconEnabled(boolean enabled)
Specifies whether the speed limit icon is shown.
void
setSpeedometerIconEnabled(boolean enabled)
Specifies whether the speedometer icon is shown.
void
setSpeedometerUiOptions(SpeedometerUiOptions speedometerUiOptions)
Sets the speedometer UI configuration SpeedometerUiOptions based on SpeedAlertSeverity.
void
setStylingOptions(StylingOptions stylingOptions)
Sets some styling options for the navigation UI.
void
setTrafficIncidentCardsEnabled(boolean enabled)
Sets whether traffic incident cards should be shown when the user clicks on a traffic incident icon.
void
setTrafficPromptsEnabled(boolean enabled)
Sets whether traffic prompts should be shown.

Inherited Method Summary

Public Constructors

public NavigationView (Context context)

Parameters
context

public NavigationView (Context context, AttributeSet attrs)

Parameters
context
attrs

public NavigationView (Context context, AttributeSet attrs, int defStyleAttr)

Parameters
context
attrs
defStyleAttr

Public Methods

public Camera getCamera ()

Returns a camera object which can be used to alter the viewport of the map. This method should only be called on the UI thread.

Returns
  • the Camera object associated with this view

public NavigationMap getMap ()

Returns an object which can be used to add content to the map. This method should only be called on the UI thread.

public void onConfigurationChanged (Configuration config)

Parameters
config

public void onCreate (Bundle savedInstanceState)

Parameters
savedInstanceState

public void onDestroy ()

public void onPause ()

public void onResume ()

public void onSaveInstanceState (Bundle outState)

Parameters
outState

public void onStart ()

public void onStop ()

public void onTrimMemory (int level)

Parameters
level

public void setCalloutInfoDisplayModeOverride (NavigationCalloutDisplayMode calloutInfoDisplayModeOverride)

Overrides default display mode for ETA callouts during navigation. Passing null resets the default display mode.

Parameters
calloutInfoDisplayModeOverride the new desired display mode.

public void setCalloutInfoFormatOverride (RouteCalloutInfoFormat calloutInfoFormatOverride)

Sets the callout info format mode for route callouts. If this method is not called, callouts will follow the behavior as defined by RouteCalloutInfoFormat.DEFAULT.

Parameters
calloutInfoFormatOverride the new desired callout format.

public void setCompassEnabled (boolean enabled)

Sets whether the compass is visible. This method should only be called on the UI thread.

Parameters
enabled

public void setCustomControl (View control, CustomControlPosition position)

Sets a custom control view which will appear at the given position in the navigation UI. If any custom control already exists at the given position it will be replaced. Calling this method with a null control value will remove the custom control at the given position. If the control has already been added at a different position or already has a parent, it will be ignored. This method should only be called on the UI thread.

Parameters
control a view that will be positioned within the navigation UI
position determines where the custom control will be placed in the UI relative to built-in controls.

public void setEtaCardEnabled (boolean enabled)

Sets whether the ETA card is visible during navigation. This method should only be called on the UI thread.

Parameters
enabled

public void setForceNightMode (int nightMode)

Sets the current ForceNightMode.

Parameters
nightMode

public void setHeaderEnabled (boolean enabled)

Sets whether the turn-by-turn navigation header is visible during navigation. This method should only be called on the UI thread.

Parameters
enabled

public void setOnNightModeChangedListener (NavigationView.OnNightModeChangedListener listener)

Sets a listener which will be notified immediately of the current "night mode" state and whenever when the UI enters or exits "night mode". This method should only be called on the UI thread.

Note: In order to avoid memory leaks, setOnNightModeChangedListener(null) should be called when the listener is no longer required.

Parameters
listener a listener which will be notified when the UI enters or exits night mode

public void setOnRecenterButtonClickedListener (NavigationView.OnRecenterButtonClickedListener listener)

Sets a listener which will be notified when the recenter button is clicked. This method should only be called on the UI thread.

Note: In order to avoid memory leaks, setOnRecenterButtonClickedListener(null) should be called when the listener is no longer required.

Parameters
listener a listener which will be notified when the recenter button is clicked

public void setRecenterButtonEnabled (boolean enabled)

Sets whether the re-center button should be shown. This method should only be called on the UI thread.

Parameters
enabled

public void setSpeedAlertOptions (SpeedAlertOptions speedAlertOptions)

Sets SpeedAlertOptions for customizing the triggering thresholds for SpeedAlertSeveritys.

You can use this method to customize the speed alert triggering thresholds in percentage for both MINOR and MAJOR alerts. You can also use this method to configure the time in seconds needed to upgrade speed alerts from MINOR to MAJOR.

By setting a null SpeedAlertOptions or not setting any, NavSDK’s default speed alert will display: speed alert shows red text in white/dark background for day/night mode respectively when the speed is less than 5 mph or 10 kph over the speed limit, and shows white text in red background when speeding more than 5 mph or 10 kph.

Parameters
speedAlertOptions

public void setSpeedLimitIconEnabled (boolean enabled)

Specifies whether the speed limit icon is shown. Only call this method on the UI thread.

When enabled, a speed limit icon that indicates the speed limit of the road appears in the bottom start corner during guidance. The icon only appears in locations where reliable speed limit data is available. When speedometer icon is visible, they are attached.

If the recenter button is enabled, the speed limit icon is temporarily hidden when the recenter button is shown.

Note: Drivers must follow all posted signs on the road, and use the speed limit icon only as a reference. The accuracy of speed limit data cannot be guaranteed. You may report inaccuracies in our speed limit data by filing a case in the Google Cloud Support Portal.

Parameters
enabled
See Also

public void setSpeedometerIconEnabled (boolean enabled)

Specifies whether the speedometer icon is shown. Only call this method on the UI thread.

When enabled, a speedometer icon that indicates the vehicle speed appears in the bottom start corner during guidance. When speed limit icon is visible, they are attached, and then speedometer can have different colors for text and background, depending on the speeding severity.

Enabling speedomter icon also enables speed limit icon altogether, however you can use setSpeedLimitIconEnabled(boolean) to disable/enable speed limit icon separately.

If the recenter button is enabled, then the speedometer icon is temporarily hidden when the recenter button displays.

Parameters
enabled
See Also

public void setSpeedometerUiOptions (SpeedometerUiOptions speedometerUiOptions)

Sets the speedometer UI configuration SpeedometerUiOptions based on SpeedAlertSeverity. Only call this method on the UI thread.

By setting a null SpeedometerUiOptions, you are clearing the previous one if set. When no SpeedometerUiOptions is configured, speedometer UI fallbacks to NavSDK default configurations for speed alerts of different SpeedAlertSeverity:

  • MINOR speed alert in day mode: red text in white background
  • MINOR speed alert in night mode: red text in dark background
  • MAJOR speed alert in day mode: white text in red background
  • MAJOR speed alert in night mode: white text in red background

Parameters
speedometerUiOptions

public void setStylingOptions (StylingOptions stylingOptions)

Sets some styling options for the navigation UI. This method should only be called on the UI thread.

Parameters
stylingOptions

public void setTrafficIncidentCardsEnabled (boolean enabled)

Sets whether traffic incident cards should be shown when the user clicks on a traffic incident icon. This method should only be called on the UI thread.

Note that when guided navigation is running, traffic incident details are shown in prompts. To disable traffic incident details during navigation, setTrafficPromptsEnabled(boolean) should be used instead.

Parameters
enabled
See Also

public void setTrafficPromptsEnabled (boolean enabled)

Sets whether traffic prompts should be shown. Traffic prompts periodically appear to update the user on traffic conditions during navigation. This method should only be called on the UI thread.

Parameters
enabled