IAbilityManager

```
public interface IAbilityManager
```
Obtains running process and memory information about an application.

从以下版本开始:

1

字段概要

字段
限定符和类型	字段	说明
`static int`	`DEFAULT_DENSITY`	Indicates the default density.
`static int`	`DEFAULT_HEAPSIZE`	Indicates the basic memory size.
`static int`	`DEFAULT_ICONSIZE`	Indicates the default icon size, in pixels.
`static int`	`LOCK_MISSION_MODE_LOCKED`	Indicates that the full mission lock mode is enabled.
`static int`	`LOCK_MISSION_MODE_NULL`	Indicates that the lock mission mode is disabled.
`static int`	`LOCK_MISSION_MODE_PINNED`	Indicates that the mission lock mode is enabled.

方法概要

所有方法实例方法抽象方法
限定符和类型	方法	说明
`boolean`	`canAbilityStartOnDisplay(Context context, int displayId, Intent intent)`	Checks whether an ability can be started on a specified display when there are multiple physical display devices.
`boolean`	`clearUpApplicationData()`	Clears user data of the application, which is equivalent to initializing the application.
`List<RunningProcessInfo>`	`getAllRunningProcesses()`	Obtains information about application processes that are running on the device.
`int`	`getAppLargeMemory()`	Obtains the maximum memory that can be used by an application on the current device.
`int`	`getAppMemory()`	Obtains the memory that can be used by an application on the current device.
`DeviceConfigInfo`	`getDeviceConfigInfo()`	Obtains configuration information about the device, such as its touch type, keyboard type, and navigation device.
`int`	`getHomeScreenIconDensity()`	Obtains the density of icons on the home screen.
`int`	`getHomeScreenIconSize()`	Obtains the size of icons on the home screen.
`int`	`getMissionLockModeState()`	Obtains the current state of the lock mission mode.
`void`	`getMyProcessMemoryInfo(RunningProcessInfo outState)`	Obtains memory information about the calling process, helping you learn the memory usage of the process running for the current application.
`List<ProcessErrorInfo>`	`getProcessesErrorInfo()`	Obtains a list of process error info.
`MemoryInfo[]`	`getProcessMemoryInfo(int[] pids)`	Obtains the memory usage of specified processes.
`void`	`getSystemMemoryInfo(SystemMemoryInfo outInfo)`	Obtains system memory information, including the total system memory, available system memory, and whether the system memory is low.
`boolean`	`isBackgroundRunningRestricted()`	Checks whether the process of this application is forbidden to run in the background.
`boolean`	`isLowRamDevice()`	Checks whether the current device is a low-RAM device.
`boolean`	`isUserKingKong()`	ask that is user kingkong test
`void`	`killProcessesByBundleName(String bundleName)`	Kills all background processes associated with a specified package.
`List<AbilityMissionInfo>`	`queryRecentAbilityMissionInfo(int maxMissionNum, int flag)`	Query recent Ability Mission info.
`List<AbilityMissionInfo>`	`queryRunningAbilityMissionInfo(int maxMissionNum)`	Query running Ability Mission info.
`void`	`updateDeviceLocale(LocaleProfile localeProfile)`	Updates the current locale for the device.

- 字段详细资料
  - DEFAULT_DENSITY
```
static final int DEFAULT_DENSITY
```
    Indicates the default density.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - DEFAULT_HEAPSIZE
```
static final int DEFAULT_HEAPSIZE
```
    Indicates the basic memory size.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - DEFAULT_ICONSIZE
```
static final int DEFAULT_ICONSIZE
```
    Indicates the default icon size, in pixels.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - LOCK_MISSION_MODE_LOCKED
```
static final int LOCK_MISSION_MODE_LOCKED
```
    Indicates that the full mission lock mode is enabled.
    The constant value is 0x00000001. Applications in this mode are locked, with the Home key and Recent key disabled.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - LOCK_MISSION_MODE_NULL
```
static final int LOCK_MISSION_MODE_NULL
```
    Indicates that the lock mission mode is disabled.
    The constant value is 0x00000000.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - LOCK_MISSION_MODE_PINNED
```
static final int LOCK_MISSION_MODE_PINNED
```
    Indicates that the mission lock mode is enabled.
    The constant value is 0x00000002. Applications in this mode are locked, but with the Return key, Home key, and Recent key enabled.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
- 方法详细资料
  - getProcessMemoryInfo
```
MemoryInfo[] getProcessMemoryInfo(int[] pids)
```
    Obtains the memory usage of specified processes.
    
    参数:
    
    pids - Indicates the PIDs of the processes whose memory usage is to be queried.
    
    返回:
    
    Returns the memory usage of each requested process.
    
    从以下版本开始:
    
    1
  - getProcessesErrorInfo
```
List<ProcessErrorInfo> getProcessesErrorInfo()
```
    Obtains a list of process error info.
    
    返回:
    
    Returns a list of process error info, or null if there are no current error conditions
    
    从以下版本开始:
    
    3
  - getAllRunningProcesses
```
List<RunningProcessInfo> getAllRunningProcesses()
```
    Obtains information about application processes that are running on the device.
    
    返回:
    
    Returns a list of running processes.
    
    从以下版本开始:
    
    1
  - getAppLargeMemory
```
int getAppLargeMemory()
```
    Obtains the maximum memory that can be used by an application on the current device.
    It is not recommended that the maximum memory size returned by this method be used as the memory usage standard for your application. Instead, use the value returned by getAppMemory() for reference.
    
    返回:
    
    Returns the maximum memory size that can be used by an application, in MB.
    
    从以下版本开始:
    
    3
  - getAppMemory
```
int getAppMemory()
```
    Obtains the memory that can be used by an application on the current device.
    You can use the memory size returned by this method as a standard to determine how to optimize memory usage in your application.
    
    返回:
    
    Returns the memory size that can be used by an application, in MB.
    
    从以下版本开始:
    
    3
  - getSystemMemoryInfo
```
void getSystemMemoryInfo(SystemMemoryInfo outInfo)
```
    Obtains system memory information, including the total system memory, available system memory, and whether the system memory is low.
    You can use this method during application debugging to learn and optimize the memory usage of the current system.
    
    参数:
    
    outInfo - Indicates the object storing system memory information.
    
    从以下版本开始:
    
    3
  - getMyProcessMemoryInfo
```
void getMyProcessMemoryInfo(RunningProcessInfo outState)
```
    Obtains memory information about the calling process, helping you learn the memory usage of the process running for the current application. The information that will be filled in the RunningProcessInfo object includes the PID, UID, last trim level, importance level and importance reason.
    
    参数:
    
    outState - Indicates the object storing memory information for the calling process.
    
    从以下版本开始:
    
    3
  - isLowRamDevice
```
boolean isLowRamDevice()
```
    Checks whether the current device is a low-RAM device.
    This method helps you determine whether to optimize your application, for example, to disable some RAM-consuming features, so that it can run properly on a low-RAM device.
    
    返回:
    
    Returns true if the current device is a low-RAM device; returns false otherwise.
    
    从以下版本开始:
    
    3
  - clearUpApplicationData
```
boolean clearUpApplicationData()
```
    Clears user data of the application, which is equivalent to initializing the application.
    This method deletes all dynamic data and notifications related to the application and revokes all permissions the user has granted to it, but does not delete its core files. Exercise caution when using this method.
    
    返回:
    
    Returns true if the application's user data is successfully cleared; returns false otherwise.
    
    从以下版本开始:
    
    3
  - killProcessesByBundleName
```
void killProcessesByBundleName(String bundleName)
```
    Kills all background processes associated with a specified package.
    This method does not permanently kill these background processes. The system will restart them as required.
    
    To use this method, you need to request the ohos.permission.CLEAN_BACKGROUND_PROCESSES permission from the system. The ohos.permission.CLEAN_BACKGROUND_PROCESSES permission is of the normal level.
    
    参数:
    
    bundleName - Indicates the name of the package whose processes are to be killed.
    
    从以下版本开始:
    
    3
  - getDeviceConfigInfo
```
DeviceConfigInfo getDeviceConfigInfo()
```
    Obtains configuration information about the device, such as its touch type, keyboard type, and navigation device.
    
    返回:
    
    Returns the DeviceConfigInfo object containing the device configuration information.
    
    从以下版本开始:
    
    3
  - getHomeScreenIconDensity
```
int getHomeScreenIconDensity()
```
    Obtains the density of icons on the home screen.
    This information is used when you create icons or shortcuts for your application.
    
    返回:
    
    Returns the density of icons on the home screen.
    
    从以下版本开始:
    
    3
  - getHomeScreenIconSize
```
int getHomeScreenIconSize()
```
    Obtains the size of icons on the home screen.
    This information is used when you create icons or shortcuts for your application.
    
    返回:
    
    Returns the size of icons on the home screen, in pixels.
    
    从以下版本开始:
    
    3
  - isUserKingKong
```
boolean isUserKingKong()
```
    ask that is user kingkong test
    
    返回:
    
    whether user is kingkong.
  - canAbilityStartOnDisplay
```
boolean canAbilityStartOnDisplay(Context context,
                                 int displayId,
                                 Intent intent)
```
    Checks whether an ability can be started on a specified display when there are multiple physical display devices.
    
    参数:
    
    context - Indicates the context from which the ability will be started. This parameter cannot be null.
    
    displayId - Indicates the ID of the target display on which the ability will be started.
    
    intent - Indicates the Intent for starting the ability. This parameter cannot be null.
    
    返回:
    
    Returns true if the ability can be started on the specified display; returns false otherwise.
    
    从以下版本开始:
    
    4
  - getMissionLockModeState
```
int getMissionLockModeState()
```
    Obtains the current state of the lock mission mode.
    You can call Context.lockMission() to enable the lock mission mode, and call Context.unlockMission() to disable it.
    
    返回:
    
    Returns the current state of the lock mission mode, which can be LOCK_MISSION_MODE_NULL, LOCK_MISSION_MODE_LOCKED, or LOCK_MISSION_MODE_PINNED.
    
    从以下版本开始:
    
    4
  - updateDeviceLocale
```
void updateDeviceLocale(LocaleProfile localeProfile)
```
    Updates the current locale for the device. To use this method, you need to request the ohos.permission.UPDATE_CONFIGURATION and ohos.permission.MODIFY_SETTINGS permissions from the system.
    
    参数:
    
    localeProfile - Indicates the LocaleProfile object containing the new locale.
    
    从以下版本开始:
    
    3
  - queryRunningAbilityMissionInfo
```
List<AbilityMissionInfo> queryRunningAbilityMissionInfo(int maxMissionNum)
```
    Query running Ability Mission info. Developer could get self's AbilityMissionInfo or using system app with ohos.permission.ACCESS_MISSIONS permission to get all running apps AbilityMissionInfo.
    
    参数:
    
    maxMissionNum - Indicate the Max number of the return list.
    
    返回:
    
    Returns the AbilityMissionInfos.
    
    从以下版本开始:
    
    4
  - queryRecentAbilityMissionInfo
```
List<AbilityMissionInfo> queryRecentAbilityMissionInfo(int maxMissionNum,
                                                       int flag)
```
    Query recent Ability Mission info. Developer could get self's AbilityMissionInfo or using system app with ohos.permission.ACCESS_MISSIONS permission to get all recent apps AbilityMissionInfo.
    
    参数:
    
    maxMissionNum - Indicate the Max number of the return list.
    
    flag - Indicates the flag using to query ability infos, 1 indicate to get all recent apps, otherwise return infos whithout missions that are unavailable to user.
    
    返回:
    
    Returns the AbilityMissionInfos.
    
    从以下版本开始:
    
    4
  - isBackgroundRunningRestricted
```
boolean isBackgroundRunningRestricted()
```
    Checks whether the process of this application is forbidden to run in the background.
    
    返回:
    
    Returns true if this application is not allowed to run in the background; returns false otherwise.
    
    从以下版本开始:
    
    4

接口 IAbilityManager

字段概要

方法概要

字段详细资料

DEFAULT_DENSITY

DEFAULT_HEAPSIZE

DEFAULT_ICONSIZE

LOCK_MISSION_MODE_LOCKED

LOCK_MISSION_MODE_NULL

LOCK_MISSION_MODE_PINNED

方法详细资料

getProcessMemoryInfo

getProcessesErrorInfo

getAllRunningProcesses

getAppLargeMemory

getAppMemory

getSystemMemoryInfo

getMyProcessMemoryInfo

isLowRamDevice

clearUpApplicationData

killProcessesByBundleName

getDeviceConfigInfo

getHomeScreenIconDensity

getHomeScreenIconSize

isUserKingKong

canAbilityStartOnDisplay

getMissionLockModeState

updateDeviceLocale

queryRunningAbilityMissionInfo

queryRecentAbilityMissionInfo

isBackgroundRunningRestricted