TestAppManager

public @Nullable SurfaceCallback getSurfaceCallback()

Returns the callback set via setSurfaceCallback, or null if not set.

public @NonNull List<Pair<Screen, Template>> getTemplatesReturned()

Returns all the Templates returned from onGetTemplate due to a call to invalidate, and the respective Screen instance that returned it. The results are stored in the order in which they were returned from onGetTemplate, where the first template in the list, is the first template returned.

The results will be stored until reset is called.

public @NonNull List<CharSequence> getToastsShown()

Returns all the toasts shown via showToast.

The toasts are stored in the order in which they are sent via showToast, where the first toast in the list is the first toast that was sent.

The toasts will be stored until reset is called.

public void reset()

Resets the values tracked by this TestAppManager and all ScreenControllers.

public void setSurfaceCallback(@Nullable SurfaceCallback surfaceCallback)

Sets the SurfaceCallback to get changes and updates to the surface on which the app can draw custom content, or null to reset the listener.

This call requires the androidx.car.app.ACCESS_SURFACE permission to be declared.

The Surface can be used to draw custom content such as a navigation app's map.

Note that the listener relates to UI events and will be executed on the main thread using getMainLooper.

public void showToast(@NonNull CharSequence text, int duration)

Shows a toast on the car screen.