luojianingfix: add beta notes in markdown

ohos.app.ability.ability_constant

Note:

Currently in the beta phase.

AbilityConstant provides enumerations related to Ability, including application launch reason LaunchReason, last exit reason LastExitReason, migration result OnContinueResult, etc.

Import Module

import kit.AbilityKit.*

Permission List

ohos.permission.DISTRIBUTED_DATASYNC

ohos.permission.PREPARE_APP_TERMINATE

ohos.permission.PRIVACY_WINDOW

Usage Instructions

API sample code usage instructions:

If the first line of sample code contains a "// index.cj" comment, it indicates the sample can be compiled and run in the "index.cj" file of the Cangjie template project.
If the sample requires obtaining the Context application context, it needs to be configured in the "main_ability.cj" file of the Cangjie template project.

For details about the above sample project and configuration template, see Cangjie Sample Code Description.

class LaunchParam

public class LaunchParam {
    public var launchReason: LaunchReason
    public var lastExitReason: LastExitReason
}

Function: Launch parameters, including launch reason and last exit reason.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

var lastExitReason

public var lastExitReason: LastExitReason

Function: Last exit reason.

Type: LastExitReason

Read/Write: Readable and Writable

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

var launchReason

public var launchReason: LaunchReason

Function: Launch reason.

Type: LaunchReason

Read/Write: Readable and Writable

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

enum LastExitReason

public enum LastExitReason {
    | Unknown
    | Normal
    | CppCrash
    | AppFreeze
    | ...
}

Function: Last exit reason.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

AppFreeze

AppFreeze

Function: Application freeze.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

CppCrash

CppCrash

Function: C++ crash.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

Normal

Normal

Function: Normal exit.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

Unknown

Unknown

Function: Unknown reason.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

enum LaunchReason

public enum LaunchReason {
    | Unknown
    | StartAbility
    | Call
    | Continuation
    | AppRecovery
    | ...
}

Function: Launch reason.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

AppRecovery

AppRecovery

Function: Application recovery.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

Call

Call

Function: Call launch.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

Continuation

Continuation

Function: Cross-device migration.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

StartAbility

StartAbility

Function: Start Ability.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

Unknown

Unknown

Function: Unknown reason.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

enum MemoryLevel

public enum MemoryLevel <: Equatable<MemoryLevel> & ToString {
    | MemoryLevelModerate
    | MemoryLevelLow
    | MemoryLevelCritical
    | ...
}

Function: Memory level.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

Parent Types:

Equatable<MemoryLevel>
ToString

MemoryLevelCritical

MemoryLevelCritical

Function: Critical memory shortage.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

MemoryLevelLow

MemoryLevelLow

Function: Low memory.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

MemoryLevelModerate

MemoryLevelModerate

Function: Moderate memory.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

func !=(MemoryLevel)

public operator func !=(other: MemoryLevel): Bool

Function: Determines whether two enumeration values are not equal.

Parameters:

Parameter	Type	Required	Default	Description
other	MemoryLevel	Yes	-	Another enumeration value.

Return Value:

Type	Description
Bool	Returns true if the two enumeration values are not equal, otherwise returns false.

func ==(MemoryLevel)

public operator func ==(other: MemoryLevel): Bool

Function: Determines whether two enumeration values are equal.

Parameters:

Parameter	Type	Required	Default	Description
other	MemoryLevel	Yes	-	Another enumeration value.

Return Value:

Type	Description
Bool	Returns true if the two enumeration values are equal, otherwise returns false.

func toString()

public func toString(): String

Function: Gets the string representation of the current enumeration.

Return Value:

Type	Description
String	The string representation of the current enumeration.

enum OnContinueResult

public enum OnContinueResult {
    | Agree
    | Reject
    | Mismatch
    | ...
}

Function: Cross-device migration result.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

Agree

Agree

Function: Agree to migrate.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

Mismatch

Mismatch

Function: Migration mismatch.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

Reject

Reject

Function: Reject migration.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22

enum WindowMode

public enum WindowMode {
    | WindowModeFullscreen
    | WindowModeSplitPrimary
    | WindowModeSplitSecondary
    | ...
}

Function: Window mode.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since: 22### WindowModeFullscreen

WindowModeFullscreen

Function: Fullscreen mode.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since Version: 22

WindowModeSplitPrimary

WindowModeSplitPrimary

Function: Primary split-screen window.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since Version: 22

WindowModeSplitSecondary

WindowModeSplitSecondary

Function: Secondary split-screen window.

System Capability: SystemCapability.Ability.AbilityRuntime.Core

Since Version: 22