An opaque value that contains hints on how to find the contact if
its row id changed as a result of a sync or aggregation.
Syntax
[Android.Runtime.Register("LOOKUP_KEY")]
public const
string LookupKey Remarks
Requirements
Namespace: Android.Provider
Assembly: Mono.Android (in Mono.Android.dll)
Assembly Versions: 0.0.0.0
Since: Added in API level 5