device - Device

The device module exposes hardware and OS state (screen size, memory, product/build strings, battery, brightness, volume, …) and a few related controls.

Some APIs need WRITE_SETTINGS (“modify system settings”). If the app lacks that permission, those calls throw.

The main API surface of this module is documented under Device and OS.

Table of contents

Enums

• Brightness Mode

Classes

• Device
• OS

Interfaces

• AndroidVersion
• DisplayMetrics
• MemoryInfo
• Product
• StreamVolumeRange

Types

• PluggedType
• StreamType

Constants

• device

Types

PluggedType

Possible values: "usb" | "wireless" | "ac".

StreamType

Possible values: "music" | "alarm" | "notification" | "voice_call" | "system" | "ring" | "dtmf" | "accessibility".

Stream identifiers map to Android AudioManager stream types:

• music — media playback
• alarm — alarms
• notification — notifications
• ring — ringer
• voice_call — voice calls
• system — system sounds
• dtmf — dial-pad tones
• accessibility — accessibility prompts

device

• device: Device

Singleton Device API object.