Dialog.RequireViewById(Int32) Method
Definition
Important
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Finds the first descendant view with the given ID or throws an IllegalArgumentException if
the ID is invalid (< 0), there is no matching view in the hierarchy, or the dialog has not
yet been fully created (for example, via #show() or #create()).
[Android.Runtime.Register("requireViewById", "(I)Landroid/view/View;", "", ApiSince=28)]
[Java.Interop.JavaTypeParameters(new System.String[] { "T extends android.view.View" })]
public Java.Lang.Object RequireViewById (int id);[<Android.Runtime.Register("requireViewById", "(I)Landroid/view/View;", "", ApiSince=28)>]
[<Java.Interop.JavaTypeParameters(new System.String[] { "T extends android.view.View" })>]
member this.RequireViewById : int -> Java.Lang.ObjectParameters
- id
- Int32
the ID to search for
Returns
a view with given ID
- Attributes
Remarks
Finds the first descendant view with the given ID or throws an IllegalArgumentException if the ID is invalid (< 0), there is no matching view in the hierarchy, or the dialog has not yet been fully created (for example, via #show() or #create()).
<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.Dialog.requireViewById(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.