Preferences.Keys Method
Definition
Important
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Returns all of the keys that have an associated value in this preference node.
[Android.Runtime.Register("keys", "()[Ljava/lang/String;", "GetKeysHandler")]
public abstract string[]? Keys ();[<Android.Runtime.Register("keys", "()[Ljava/lang/String;", "GetKeysHandler")>]
abstract member Keys : unit -> string[]Returns
an array of the keys that have an associated value in this preference node.
- Attributes
Exceptions
if the backing store is unavailable or causes an operation failure.
if this node has been removed.
Remarks
Returns all of the keys that have an associated value in this preference node. (The returned array will be of size zero if this node has no preferences.)
If the implementation supports stored defaults and there are any such defaults at this node that have not been overridden, by explicit preferences, the defaults are returned in the array in addition to any explicit preferences.
Java documentation for java.util.prefs.Preferences.keys().
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