JNIEnv.SetField Method

Definition

Namespace:: Android.Runtime

Assembly:: Mono.Android.dll

Important

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Overloads

Name	Description
SetField(IntPtr, IntPtr, Boolean)	Sets a Java `boolean` instance field.
SetField(IntPtr, IntPtr, Char)	Sets a Java `char` instance field.
SetField(IntPtr, IntPtr, Double)	Sets a Java `double` instance field.
SetField(IntPtr, IntPtr, Int16)	Sets a Java `short` instance field.
SetField(IntPtr, IntPtr, Int32)	Sets a Java `int` instance field.
SetField(IntPtr, IntPtr, Int64)	Sets a Java `long` instance field.
SetField(IntPtr, IntPtr, IntPtr)	Sets a Java reference-valued instance field.
SetField(IntPtr, IntPtr, SByte)	Sets a Java `byte` instance field.
SetField(IntPtr, IntPtr, Single)	Sets a Java `float` instance field.

SetField(IntPtr, IntPtr, Boolean)

Sets a Java boolean instance field.

public static void SetField(IntPtr jobject, IntPtr jfieldID, bool val);

static member SetField : nativeint * nativeint * bool -> unit

Parameters

jobject: IntPtr
nativeint

A live, non-null JNI object reference from the current VM, usable on the calling thread until the call returns or throws.

jfieldID: IntPtr
nativeint

A live instance field ID applicable to jobject with Java type boolean. Keep its declaring class live.

val: Boolean

The new field value.

Remarks

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

SetField(IntPtr, IntPtr, Char)

Sets a Java char instance field.

public static void SetField(IntPtr jobject, IntPtr jfieldID, char val);

static member SetField : nativeint * nativeint * char -> unit

Parameters

jobject: IntPtr
nativeint

A live, non-null JNI object reference from the current VM, usable on the calling thread until the call returns or throws.

jfieldID: IntPtr
nativeint

A live instance field ID applicable to jobject with Java type char. Keep its declaring class live.

val: Char

The new field value.

Remarks

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

SetField(IntPtr, IntPtr, Double)

Sets a Java double instance field.

public static void SetField(IntPtr jobject, IntPtr jfieldID, double val);

static member SetField : nativeint * nativeint * double -> unit

Parameters

jobject: IntPtr
nativeint

A live, non-null JNI object reference from the current VM, usable on the calling thread until the call returns or throws.

jfieldID: IntPtr
nativeint

A live instance field ID applicable to jobject with Java type double. Keep its declaring class live.

val: Double

The new field value.

Remarks

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

SetField(IntPtr, IntPtr, Int16)

Sets a Java short instance field.

public static void SetField(IntPtr jobject, IntPtr jfieldID, short val);

static member SetField : nativeint * nativeint * int16 -> unit

Parameters

jobject: IntPtr
nativeint

A live, non-null JNI object reference from the current VM, usable on the calling thread until the call returns or throws.

jfieldID: IntPtr
nativeint

A live instance field ID applicable to jobject with Java type short. Keep its declaring class live.

val: Int16

The new field value.

Remarks

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

SetField(IntPtr, IntPtr, Int32)

Sets a Java int instance field.

public static void SetField(IntPtr jobject, IntPtr jfieldID, int val);

static member SetField : nativeint * nativeint * int -> unit

Parameters

jobject: IntPtr
nativeint

A live, non-null JNI object reference from the current VM, usable on the calling thread until the call returns or throws.

jfieldID: IntPtr
nativeint

A live instance field ID applicable to jobject with Java type int. Keep its declaring class live.

val: Int32

The new field value.

Remarks

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

SetField(IntPtr, IntPtr, Int64)

Sets a Java long instance field.

public static void SetField(IntPtr jobject, IntPtr jfieldID, long val);

static member SetField : nativeint * nativeint * int64 -> unit

Parameters

jobject: IntPtr
nativeint

A live, non-null JNI object reference from the current VM, usable on the calling thread until the call returns or throws.

jfieldID: IntPtr
nativeint

A live instance field ID applicable to jobject with Java type long. Keep its declaring class live.

val: Int64

The new field value.

Remarks

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

SetField(IntPtr, IntPtr, IntPtr)

Sets a Java reference-valued instance field.

public static void SetField(IntPtr jobject, IntPtr jfieldID, IntPtr val);

static member SetField : nativeint * nativeint * nativeint -> unit

Parameters

jobject: IntPtr
nativeint

A live, non-null JNI object reference from the current VM, usable on the calling thread until the call returns or throws.

jfieldID: IntPtr
nativeint

A live instance field ID applicable to jobject for a Java reference field. Keep its declaring class live.

val: IntPtr
nativeint

A live JNI object reference assignable to the field type and usable on the calling thread until the call returns or throws, or Zero.

Remarks

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

SetField(IntPtr, IntPtr, SByte)

Sets a Java byte instance field.

public static void SetField(IntPtr jobject, IntPtr jfieldID, sbyte val);

static member SetField : nativeint * nativeint * sbyte -> unit

Parameters

jobject: IntPtr
nativeint

A live, non-null JNI object reference from the current VM, usable on the calling thread until the call returns or throws.

jfieldID: IntPtr
nativeint

A live instance field ID applicable to jobject with Java type byte. Keep its declaring class live.

val: SByte

The new field value.

Remarks

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

SetField(IntPtr, IntPtr, Single)

Sets a Java float instance field.

public static void SetField(IntPtr jobject, IntPtr jfieldID, float val);

static member SetField : nativeint * nativeint * single -> unit

Parameters

jobject: IntPtr
nativeint

A live, non-null JNI object reference from the current VM, usable on the calling thread until the call returns or throws.

jfieldID: IntPtr
nativeint

A live instance field ID applicable to jobject with Java type float. Keep its declaring class live.

val: Single

The new field value.

Remarks

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