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Activity.FindViewById Method

Definition

Overloads

FindViewById(Int32)

Finds a view that was identified by the android:id XML attribute that was processed in #onCreate.

FindViewById<T>(Int32)

Finds a view that was identified by the id attribute from the XML layout resource.

FindViewById(Int32)

Finds a view that was identified by the android:id XML attribute that was processed in #onCreate.

[Android.Runtime.Register("findViewById", "(I)Landroid/view/View;", "GetFindViewById_IHandler")]
public virtual Android.Views.View? FindViewById (int id);
[<Android.Runtime.Register("findViewById", "(I)Landroid/view/View;", "GetFindViewById_IHandler")>]
abstract member FindViewById : int -> Android.Views.View
override this.FindViewById : int -> Android.Views.View

Parameters

id
Int32

the ID to search for

Returns

a view with given ID if found, or null otherwise

Attributes

Remarks

Finds a view that was identified by the android:id XML attribute that was processed in #onCreate.

<strong>Note:</strong> In most cases -- depending on compiler support -- the resulting view is automatically cast to the target class type. If the target class type is unconstrained, an explicit cast may be necessary.

Java documentation for android.app.Activity.findViewById(int).

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

FindViewById<T>(Int32)

Finds a view that was identified by the id attribute from the XML layout resource.

public T? FindViewById<T> (int id) where T : Android.Views.View;
member this.FindViewById : int -> 'T (requires 'T :> Android.Views.View)

Type Parameters

T

The Type of the view to be returned (Button, ListView, etc.).

Parameters

id
Int32

The id of the view to find.

Returns

T

The view if found or null otherwise.

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