SystemUpdatePolicy.SetFreezePeriods(IList<FreezePeriod>) Method

Reference

Definition

Namespace:: Android.App.Admin

Assembly:: Mono.Android.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Configure a list of freeze periods on top of the current policy.

[Android.Runtime.Register("setFreezePeriods", "(Ljava/util/List;)Landroid/app/admin/SystemUpdatePolicy;", "GetSetFreezePeriods_Ljava_util_List_Handler", ApiSince=28)]
public virtual Android.App.Admin.SystemUpdatePolicy? SetFreezePeriods (System.Collections.Generic.IList<Android.App.Admin.FreezePeriod>? freezePeriods);

[<Android.Runtime.Register("setFreezePeriods", "(Ljava/util/List;)Landroid/app/admin/SystemUpdatePolicy;", "GetSetFreezePeriods_Ljava_util_List_Handler", ApiSince=28)>]
abstract member SetFreezePeriods : System.Collections.Generic.IList<Android.App.Admin.FreezePeriod> -> Android.App.Admin.SystemUpdatePolicy
override this.SetFreezePeriods : System.Collections.Generic.IList<Android.App.Admin.FreezePeriod> -> Android.App.Admin.SystemUpdatePolicy

Parameters

freezePeriods: IList<FreezePeriod>

the list of freeze periods

Returns

SystemUpdatePolicy

this instance

Attributes: RegisterAttribute

Remarks

Configure a list of freeze periods on top of the current policy. When the device's clock is within any of the freeze periods, all incoming system updates including security patches will be blocked and cannot be installed. When the device is outside the freeze periods, the normal policy behavior will apply.

Each individual freeze period is allowed to be at most 90 days long, and adjacent freeze periods need to be at least 60 days apart. Also, the list of freeze periods should not contain duplicates or overlap with each other. If any of these conditions is not met, a ValidationFailedException will be thrown.

Handling of leap year: we ignore leap years in freeze period calculations, in particular, <ul> <li>When a freeze period is defined, February 29th is disregarded so even though a freeze period can be specified to start or end on February 29th, it will be treated as if the period started or ended on February 28th.</li> <li>When applying freeze period behavior to the device, a system clock of February 29th is treated as if it were February 28th</li> <li>When calculating the number of days of a freeze period or separation between two freeze periods, February 29th is also ignored and not counted as one day.</li> </ul>

Java documentation for android.app.admin.SystemUpdatePolicy.setFreezePeriods(java.util.List<android.app.admin.FreezePeriod>).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to

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