Version: 2019.3
LanguageEnglish
  • C#

AndroidJNIHelper.GetFieldID

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public static IntPtr GetFieldID(IntPtr javaClass, string fieldName);
public static IntPtr GetFieldID(IntPtr javaClass, string fieldName, string signature);
public static IntPtr GetFieldID(IntPtr javaClass, string fieldName, string signature, bool isStatic = false);

Parameters

javaClassRaw JNI Java class object (obtained by calling AndroidJNI.FindClass).
fieldNameName of the field as declared in Java.
signatureField signature (e.g. obtained by calling AndroidJNIHelper.GetSignature).
isStaticSet to true for static fields; false for instance (nonstatic) fields.

Description

Scans a particular Java class for a field matching a name and a signature.

The signature comparison is done to allow sub-/base-classes of a class types. If no signature is provided the first field with the correct name will be returned.

See Also: AndroidJNIHelper.GetSignature, AndroidJNIHelper.GetConstructorID, AndroidJNIHelper.GetMethodID.

public static IntPtr GetFieldID(IntPtr jclass, string fieldName, bool isStatic);

Parameters

javaClassRaw JNI Java class object (obtained by calling AndroidJNI.FindClass).
fieldNameName of the field as declared in Java.
isStaticSet to true for static fields; false for instance (nonstatic) fields.

Description

Get a JNI field ID based on type detection. Generic parameter represents the field type.

Scans a particular Java class for a field matching a signature of the field type. The signature comparison is done to allow for sub-/base-classes of the class types.

Is something described here not working as you expect it to? It might be a Known Issue. Please check with the Issue Tracker at issuetracker.unity3d.com.

Copyright © 2020 Unity Technologies. Publication Date: 2020-06-05.
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