NavigationService (wear-services 0.10.0 API)

```
public interface NavigationService
```
This service allows Features to navigate across the UI.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`hideActivity()`	Hides the activity.
`void`	`showActivityLauncher()`	Shows the activity launcher.
`void`	`showWatchfacePicker()`	Shows the watchface picker.

- Method Detail
  - hideActivity
```
void hideActivity()
```
    Hides the activity.
  - showActivityLauncher
```
void showActivityLauncher()
```
    Shows the activity launcher.
  - showWatchfacePicker
```
void showWatchfacePicker()
```
    Shows the watchface picker.