View.FindViewById Method

Definition

Overloads

FindViewById(Int32)

Finds the first descendant view with the given ID, the view itself if the ID matches #getId(), or null if the ID is invalid (< 0) or there is no matching view in the hierarchy.

FindViewById<T>(Int32)

FindViewById(Int32)

Finds the first descendant view with the given ID, the view itself if the ID matches #getId(), or null if the ID is invalid (< 0) or there is no matching view in the hierarchy.

[Android.Runtime.Register("findViewById", "(I)Landroid/view/View;", "")]
public Android.Views.View? FindViewById (int id);
[<Android.Runtime.Register("findViewById", "(I)Landroid/view/View;", "")>]
member 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 the first descendant view with the given ID, the view itself if the ID matches #getId(), or null if the ID is invalid (< 0) or there is no matching view in the hierarchy.

<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.view.View.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)

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

Type Parameters

T

Parameters

id
Int32

Returns

T

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