Starts the specified activity. The method will return a promise which resolves when the user returns to the app.
Arguments
activityAction (string) -- The action to be performed, e.g. IntentLauncher.ACTION_WIRELESS_SETTINGS. There are a few pre-defined constants you can use for this parameter. You can find them at expo-intent-launcher/src/IntentLauncher.ts. Required
intentParams (IntentParams) -- An object of intent parameters.
Returns
A promise resolving to an object of type IntentResult.
Types
Type IntentParams
Key
Type
Description
type
string
A string specifying the MIME type of the data represented by the data parameter. Ignore this argument to allow Android to infer the correct MIME type.
category
string
Category provides more details about the action the intent performs. See Intent.addCategory.
extra
object
A map specifying additional key-value pairs which are passed with the intent as extras. The keys must include a package prefix, for example the app com.android.contacts would use names like com.android.contacts.ShowAll.
data
string
A URI specifying the data that the intent should operate upon. (Note: Android requires the URI scheme to be lowercase, unlike the formal RFC.)
flags
number
Bitmask of flags to be used. See Intent.setFlags for more details.
packageName
string
Package name used as an identifier of ComponentName. Set this only if you want to explicitly set the component to handle the intent.
className
string
Class name of the ComponentName.
Type IntentResult
Key
Type
Description
resultCode
number
Result code returned by the activity. See ResultCode for more details.
data
string
Optional data URI that can be returned by the activity.
extra
object
Optional extras object that can be returned by the activity.
Enums
Enum ResultCode
Result code
Value
Description
Success
-1
Indicates that the activity operation succeeded.
Canceled
0
Means that the activity was canceled, e.g. by tapping on the back button.
FirstUser
1
First custom, user-defined value that can be returned by the activity.
Example
import{ IntentLauncher }from'expo';// Open location settings
IntentLauncher.startActivityAsync(IntentLauncher.ACTION_LOCATION_SOURCE_SETTINGS);