Launch

When a parent part-based element such as PartText is tapped, this element triggers the launch of an app or app component that's installed on the Wear OS device.

Introduced in Wear OS 4.

Syntax

<Launch target="string">
</Launch>

Attributes

The Launch element has one attribute, target, that is required. This value can be one of the following:

  • A developer-customized name: Specifies the name of a component that is launched. Prompts user to install from the Play Store if not installed. Specified in the format com.example.starter or com.example.starter/com.example.starter.MainActivity.
  • A deep link, in the format: app://open.my.app.
  • ALARM: The device's default alarm clock app.
  • BATTERY_STATUS: The battery status screen in system settings.
  • CALENDAR: The device's default calendar app.
  • HEALTH_HEART_RATE: The device's default heart-rate-monitor app.
  • MESSAGE: The device's default text messaging app.
  • MUSIC_PLAYER: The device's default music player app.
  • PHONE: The device's default phone app, where users place phone calls.
  • SETTINGS: The device's system settings.