Added in API level 31

DisplayHashManager


class DisplayHashManager
kotlin.Any
   ↳ android.view.displayhash.DisplayHashManager

Manages DisplayHash requests. The manager object can be retrieved by calling Context.getSystemService(Context.DISPLAY_HASH_SERVICE)

Summary

Public methods
MutableSet<String!>

Get a Set of DisplayHash algorithms that the device supports.

VerifiedDisplayHash?

Call to verify that the DisplayHash passed in was generated by the system.

Public methods

getSupportedHashAlgorithms

Added in API level 31
fun getSupportedHashAlgorithms(): MutableSet<String!>

Get a Set of DisplayHash algorithms that the device supports.

Return
MutableSet<String!> a String Set of supported hashing algorithms. The String value of one algorithm should be used when requesting to generate the DisplayHash. This value cannot be null.

verifyDisplayHash

Added in API level 31
fun verifyDisplayHash(displayHash: DisplayHash): VerifiedDisplayHash?

Call to verify that the DisplayHash passed in was generated by the system.

Parameters
displayHash DisplayHash: The hash to verify that it was generated by the system. This value cannot be null.
Return
VerifiedDisplayHash? a VerifiedDisplayHash if the hash was generated by the system or null if the hash cannot be verified.