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Added in API level 23

SystemUpdatePolicy

public class SystemUpdatePolicy
extends Object implements Parcelable

java.lang.Object
↳	android.app.admin.SystemUpdatePolicy

A class that represents a local system update policy set by the device owner.

See also:

Summary

Constants
`int`	`TYPE_INSTALL_AUTOMATIC` Install system update automatically as soon as one is available.
`int`	`TYPE_INSTALL_WINDOWED` Install system update automatically within a daily maintenance window, for a maximum of 30 days.
`int`	`TYPE_POSTPONE` Incoming system update will be blocked for a maximum of 30 days, after which the system should revert back to its normal behavior as if no policy were set.

Inherited constants

From interface


    android.os.Parcelable

Fields
`public static final Creator<SystemUpdatePolicy>`	`CREATOR`

Public methods
`static SystemUpdatePolicy`	`createAutomaticInstallPolicy()` Create a policy object and set it to install update automatically as soon as one is available.
`static SystemUpdatePolicy`	`createPostponeInstallPolicy()` Create a policy object and set it to block installation for a maximum period of 30 days.
`static SystemUpdatePolicy`	`createWindowedInstallPolicy(int startTime, int endTime)` Create a policy object and set it to: new system update will only be installed automatically when the system clock is inside a daily maintenance window.
`int`	`describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`int`	`getInstallWindowEnd()` Get the end of the maintenance window.
`int`	`getInstallWindowStart()` Get the start of the maintenance window.
`int`	`getPolicyType()` Returns the type of system update policy.
`String`	`toString()` Returns a string representation of the object.
`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 millis, 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 millis)` 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

Constants

TYPE_INSTALL_AUTOMATIC

Added in API level 23

int TYPE_INSTALL_AUTOMATIC

Install system update automatically as soon as one is available.

Constant Value: 1 (0x00000001)

TYPE_INSTALL_WINDOWED

Added in API level 23

int TYPE_INSTALL_WINDOWED

Install system update automatically within a daily maintenance window, for a maximum of 30 days. After the expiration the policy will no longer be effective and the system should revert back to its normal behavior as if no policy were set. The only exception is TYPE_INSTALL_AUTOMATIC which should still take effect to install system update immediately.

Constant Value: 2 (0x00000002)

TYPE_POSTPONE

Added in API level 23

int TYPE_POSTPONE

Incoming system update will be blocked for a maximum of 30 days, after which the system should revert back to its normal behavior as if no policy were set. The only exception is TYPE_INSTALL_AUTOMATIC which should still take effect to install system update immediately.

Constant Value: 3 (0x00000003)

Fields

CREATOR

Added in API level 23

Creator<SystemUpdatePolicy> CREATOR

Public methods

createAutomaticInstallPolicy

Added in API level 23

SystemUpdatePolicy createAutomaticInstallPolicy ()

Create a policy object and set it to install update automatically as soon as one is available.

Returns
`SystemUpdatePolicy`

See also:

TYPE_INSTALL_AUTOMATIC

createPostponeInstallPolicy

Added in API level 23

SystemUpdatePolicy createPostponeInstallPolicy ()

Create a policy object and set it to block installation for a maximum period of 30 days. After expiration the system should revert back to its normal behavior as if no policy were set.

Returns
`SystemUpdatePolicy`

See also:

TYPE_POSTPONE

createWindowedInstallPolicy

Added in API level 23

SystemUpdatePolicy createWindowedInstallPolicy (int startTime, 
                int endTime)

Create a policy object and set it to: new system update will only be installed automatically when the system clock is inside a daily maintenance window. If the start and end times are the same, the window is considered to include the WHOLE 24 hours, that is, updates can install at any time. If the given window in invalid, a IllegalArgumentException will be thrown. If start time is later than end time, the window is considered spanning midnight, i.e. end time donates a time on the next day. The maintenance window will last for 30 days, after which the system should revert back to its normal behavior as if no policy were set.

Parameters
`startTime`	`int`: the start of the maintenance window, measured as the number of minutes from midnight in the device's local time. Must be in the range of [0, 1440).
`endTime`	`int`: the end of the maintenance window, measured as the number of minutes from midnight in the device's local time. Must be in the range of [0, 1440).

Returns
`SystemUpdatePolicy`

See also:

TYPE_INSTALL_WINDOWED

describeContents

Added in API level 23

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(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.

getInstallWindowEnd

Added in API level 23

int getInstallWindowEnd ()

Get the end of the maintenance window.

Returns
`int`	the end of the maintenance window measured as the number of minutes from midnight, or -1 if the policy does not have a maintenance window.

getInstallWindowStart

Added in API level 23

int getInstallWindowStart ()

Get the start of the maintenance window.

Returns
`int`	the start of the maintenance window measured as the number of minutes from midnight, or -1 if the policy does not have a maintenance window.

getPolicyType

Added in API level 23

int getPolicyType ()

Returns the type of system update policy.

Returns
`int`	an integer, either one of `TYPE_INSTALL_AUTOMATIC`, `TYPE_INSTALL_WINDOWED` and `TYPE_POSTPONE`, or -1 if no policy has been set.

toString

Added in API level 23

String toString ()

Returns a string representation of the object. In general, the toString method returns a string that "textually represents" this object. The result should be a concise but informative representation that is easy for a person to read. It is recommended that all subclasses override this method.

The toString method for class Object returns a string consisting of the name of the class of which the object is an instance, the at-sign character `@', and the unsigned hexadecimal representation of the hash code of the object. In other words, this method returns a string equal to the value of:

 getClass().getName() + '@' + Integer.toHexString(hashCode())

Returns
`String`	a string representation of the object.

writeToParcel

Added in API level 23

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_WRITE_RETURN_VALUE`.