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PackageInstaller.SessionParams

public static class PackageInstaller.SessionParams
extends Object implements Parcelable

java.lang.Object
↳	android.content.pm.PackageInstaller.SessionParams

Parameters for creating a new PackageInstaller.Session.

Summary

Constants
`int`	`MODE_FULL_INSTALL` Mode for an install session whose staged APKs should fully replace any existing APKs for the target app.
`int`	`MODE_INHERIT_EXISTING` Mode for an install session that should inherit any existing APKs for the target app, unless they have been explicitly overridden (based on split name) by the session.
`int`	`USER_ACTION_NOT_REQUIRED` The installer called `SessionParams#setRequireUserAction(int)` with `false` to request that user action not be required for this install.
`int`	`USER_ACTION_REQUIRED` The installer called `SessionParams#setRequireUserAction(int)` with `true` to require user action for the install to complete.
`int`	`USER_ACTION_UNSPECIFIED` The installer did not call `SessionParams#setRequireUserAction(int)` to specify whether user action should be required for the install.

Inherited constants

From interface android.os.Parcelable

`int`	`CONTENTS_FILE_DESCRIPTOR` Descriptor bit used with `describeContents()`: indicates that the Parcelable object's flattened representation includes a file descriptor.
`int`	`PARCELABLE_WRITE_RETURN_VALUE` Flag for use with `writeToParcel(Parcel, int)`: the object being written is a return value, that is the result of a function such as "`Parcelable someFunction()`", "`void someFunction(out Parcelable)`", or "`void someFunction(inout Parcelable)`".

Fields
`public static final Creator<PackageInstaller.SessionParams>`	`CREATOR`
`public static final Set<String>`	`RESTRICTED_PERMISSIONS_ALL` Special constant to refer to all restricted permissions.

Public constructors
`SessionParams(int mode)` Construct parameters for a new package install session.

Public methods
`int`	`describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`void`	`setAppIcon(Bitmap appIcon)` Optionally set an icon representing the app being installed.
`void`	`setAppLabel(CharSequence appLabel)` Optionally set a label representing the app being installed.
`void`	`setAppPackageName(String appPackageName)` Optionally set the package name of the app being installed.
`void`	`setAutoRevokePermissionsMode(boolean shouldAutoRevoke)` This method is deprecated. No longer used
`void`	`setInstallLocation(int installLocation)` Provide value of `PackageInfo#installLocation`, which may be used to determine where the app will be staged.
`void`	`setInstallReason(int installReason)` Set the reason for installing this package.
`void`	`setInstallScenario(int installScenario)` Sets the install scenario for this session, which describes the expected user journey.
`void`	`setMultiPackage()` Set this session to be the parent of a multi-package install.
`void`	`setOriginatingUid(int originatingUid)` Sets the UID that initiated the package installation.
`void`	`setOriginatingUri(Uri originatingUri)` Optionally set the URI where this package was downloaded from.
`void`	`setReferrerUri(Uri referrerUri)` Optionally set the URI that referred you to install this package.
`void`	`setRequireUserAction(int requireUserAction)` Optionally indicate whether user action should be required when the session is committed.
`void`	`setSize(long sizeBytes)` Optionally indicate the total size (in bytes) of all APKs that will be delivered in this session.
`void`	`setWhitelistedRestrictedPermissions(Set<String> permissions)` Sets which restricted permissions to be allowlisted for the app.
`void`	`writeToParcel(Parcel dest, int flags)` Flatten this object in to a Parcel.

Inherited methods

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

From interface


        
          android.os.Parcelable

`abstract int`	`describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`abstract void`	`writeToParcel(Parcel dest, int flags)` Flatten this object in to a Parcel.

Constants

MODE_FULL_INSTALL

public static final int MODE_FULL_INSTALL

Mode for an install session whose staged APKs should fully replace any existing APKs for the target app.

Constant Value: 1 (0x00000001)

MODE_INHERIT_EXISTING

public static final int MODE_INHERIT_EXISTING

Mode for an install session that should inherit any existing APKs for the target app, unless they have been explicitly overridden (based on split name) by the session. For example, this can be used to add one or more split APKs to an existing installation.

If there are no existing APKs for the target app, this behaves like MODE_FULL_INSTALL.

Constant Value: 2 (0x00000002)

USER_ACTION_NOT_REQUIRED

public static final int USER_ACTION_NOT_REQUIRED

The installer called SessionParams#setRequireUserAction(int) with false to request that user action not be required for this install.

Constant Value: 2 (0x00000002)

USER_ACTION_REQUIRED

public static final int USER_ACTION_REQUIRED

The installer called SessionParams#setRequireUserAction(int) with true to require user action for the install to complete.

Constant Value: 1 (0x00000001)

USER_ACTION_UNSPECIFIED

public static final int USER_ACTION_UNSPECIFIED

The installer did not call SessionParams#setRequireUserAction(int) to specify whether user action should be required for the install.

Constant Value: 0 (0x00000000)

Fields

CREATOR

public static final Creator<PackageInstaller.SessionParams> CREATOR

RESTRICTED_PERMISSIONS_ALL

public static final Set<String> RESTRICTED_PERMISSIONS_ALL

Special constant to refer to all restricted permissions.

Public constructors

SessionParams

public SessionParams (int mode)

Construct parameters for a new package install session.

Parameters
`mode`	`int`: one of `MODE_FULL_INSTALL` or `MODE_INHERIT_EXISTING` describing how the session should interact with an existing app.

Public methods

describeContents

public int describeContents ()

Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. For example, if the object will include a file descriptor in the output of writeToParcel(android.os.Parcel, int), the return value of this method must include the CONTENTS_FILE_DESCRIPTOR bit.

Returns
`int`	a bitmask indicating the set of special object types marshaled by this Parcelable object instance. Value is either `0` or `CONTENTS_FILE_DESCRIPTOR`

setAppIcon

public void setAppIcon (Bitmap appIcon)

Optionally set an icon representing the app being installed. This should be roughly ActivityManager#getLauncherLargeIconSize() in both dimensions.

Parameters
`appIcon`	`Bitmap`: This value may be `null`.

setAppLabel

public void setAppLabel (CharSequence appLabel)

Optionally set a label representing the app being installed. This value will be trimmed to the first 1000 characters.

Parameters
`appLabel`	`CharSequence`: This value may be `null`.

setAppPackageName

public void setAppPackageName (String appPackageName)

Optionally set the package name of the app being installed. It's strongly recommended that you provide this value when known, so that observers can communicate installing apps to users.

If the APKs staged in the session aren't consistent with this package name, the install will fail. Regardless of this value, all APKs in the app must have the same package name.

Parameters
`appPackageName`	`String`: This value may be `null`.

setAutoRevokePermissionsMode

public void setAutoRevokePermissionsMode (boolean shouldAutoRevoke)

This method is deprecated.
No longer used

Sets whether permissions should be auto-revoked if this package is unused for an extended periodd of time. It's disabled by default but generally the installer should enable it for most packages, excluding only those where doing so might cause breakage that cannot be easily addressed by simply re-requesting the permission(s). If user explicitly enabled or disabled it via settings, this call is ignored.

Parameters
`shouldAutoRevoke`	`boolean`: whether permissions should be auto-revoked.

setInstallLocation

public void setInstallLocation (int installLocation)

Provide value of PackageInfo#installLocation, which may be used to determine where the app will be staged. Defaults to PackageInfo#INSTALL_LOCATION_INTERNAL_ONLY.

Parameters
`installLocation`	`int`

setInstallReason

public void setInstallReason (int installReason)

Set the reason for installing this package.

The install reason should be a pre-defined integer. The behavior is undefined if other values are used.

Parameters
`installReason`	`int`: Value is `PackageManager.INSTALL_REASON_UNKNOWN`, `PackageManager.INSTALL_REASON_POLICY`, `PackageManager.INSTALL_REASON_DEVICE_RESTORE`, `PackageManager.INSTALL_REASON_DEVICE_SETUP`, `PackageManager.INSTALL_REASON_USER`, or android.content.pm.PackageManager.INSTALL_REASON_ROLLBACK

See also:

setInstallScenario

public void setInstallScenario (int installScenario)

Sets the install scenario for this session, which describes the expected user journey.

Parameters
`installScenario`	`int`: Value is `PackageManager.INSTALL_SCENARIO_DEFAULT`, `PackageManager.INSTALL_SCENARIO_FAST`, `PackageManager.INSTALL_SCENARIO_BULK`, or `PackageManager.INSTALL_SCENARIO_BULK_SECONDARY`

setMultiPackage

public void setMultiPackage ()

Set this session to be the parent of a multi-package install. A multi-package install session contains no APKs and only references other install sessions via ID. When a multi-package session is committed, all of its children are committed to the system in an atomic manner. If any children fail to install, all of them do, including the multi-package session.

setOriginatingUid

public void setOriginatingUid (int originatingUid)

Sets the UID that initiated the package installation. This is informational and may be used as a signal for anti-malware purposes.

Parameters
`originatingUid`	`int`

setOriginatingUri

public void setOriginatingUri (Uri originatingUri)

Optionally set the URI where this package was downloaded from. This is informational and may be used as a signal for anti-malware purposes.

Parameters
`originatingUri`	`Uri`: This value may be `null`.

See also:

Intent.EXTRA_ORIGINATING_URI

setReferrerUri

public void setReferrerUri (Uri referrerUri)

Optionally set the URI that referred you to install this package. This is informational and may be used as a signal for anti-malware purposes.

Parameters
`referrerUri`	`Uri`: This value may be `null`.

See also:

Intent.EXTRA_REFERRER

setRequireUserAction

public void setRequireUserAction (int requireUserAction)

Optionally indicate whether user action should be required when the session is committed.

Defaults to USER_ACTION_UNSPECIFIED unless otherwise set. When unspecified for installers using the REQUEST_INSTALL_PACKAGES permission will behave as if set to USER_ACTION_REQUIRED, and USER_ACTION_NOT_REQUIRED otherwise. When requireUserAction is set to USER_ACTION_REQUIRED, installers will receive a PackageInstaller.STATUS_PENDING_USER_ACTION callback once the session is committed, indicating that user action is required for the install to proceed.

For installers that have been granted the REQUEST_INSTALL_PACKAGES permission, user action will not be required when all of the following conditions are met:

requireUserAction is set to USER_ACTION_NOT_REQUIRED.
The app being installed targets API 29 or higher.
The installer is the installer of record of an existing version of the app (in other words, this install session is an app update) or the installer is updating itself.
The installer declares the UPDATE_PACKAGES_WITHOUT_USER_ACTION permission.

Note: The target API level requirement will advance in future Android versions. Session owners should always be prepared to handle PackageInstaller.STATUS_PENDING_USER_ACTION.

Parameters
`requireUserAction`	`int`: whether user action should be required. Value is `USER_ACTION_UNSPECIFIED`, `USER_ACTION_REQUIRED`, or `USER_ACTION_NOT_REQUIRED`

setSize

public void setSize (long sizeBytes)

Optionally indicate the total size (in bytes) of all APKs that will be delivered in this session. The system may use this to ensure enough disk space exists before proceeding, or to estimate container size for installations living on external storage.

Parameters
`sizeBytes`	`long`

See also:

setWhitelistedRestrictedPermissions

public void setWhitelistedRestrictedPermissions (Set<String> permissions)

Sets which restricted permissions to be allowlisted for the app. Allowlisting is not granting the permissions, rather it allows the app to hold permissions which are otherwise restricted. Allowlisting a non restricted permission has no effect.

Permissions can be hard restricted which means that the app cannot hold them or soft restricted where the app can hold the permission but in a weaker form. Whether a permission is restricted or soft restricted depends on the permission declaration. Allowlisting a hard restricted permission allows the app to hold that permission and allowlisting a soft restricted permission allows the app to hold the permission in its full, unrestricted form.

Permissions can also be immutably restricted which means that the allowlist state of the permission can be determined only at install time and cannot be changed on updated or at a later point via the package manager APIs.

Initially, all restricted permissions are allowlisted but you can change which ones are allowlisted by calling this method or the corresponding ones on the PackageManager. Only soft or hard restricted permissions on the current Android version are supported and any invalid entries will be removed.

Parameters
`permissions`	`Set`: This value may be `null`.

See also:

writeToParcel

public void writeToParcel (Parcel dest, 
                int flags)

Flatten this object in to a Parcel.

Parameters
`dest`	`Parcel`: The Parcel in which the object should be written.
`flags`	`int`: Additional flags about how the object should be written. May be 0 or `Parcelable.PARCELABLE_WRITE_RETURN_VALUE`. Value is either `0` or a combination of `Parcelable.PARCELABLE_WRITE_RETURN_VALUE`, and android.os.Parcelable.PARCELABLE_ELIDE_DUPLICATES