ArrayAdapter Class

Reference

Definition

Namespace:: Android.Widget

Assembly:: Mono.Android.dll

Important

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You can use this adapter to provide views for an AdapterView, Returns a view for each object in a collection of data objects you provide, and can be used with list-based user interface widgets such as ListView or Spinner.

[Android.Runtime.Register("android/widget/ArrayAdapter", DoNotGenerateAcw=true)]
[Java.Interop.JavaTypeParameters(new System.String[] { "T" })]
public class ArrayAdapter : Android.Widget.BaseAdapter, Android.Widget.IFilterable, Android.Widget.IThemedSpinnerAdapter, IDisposable, Java.Interop.IJavaPeerable

[<Android.Runtime.Register("android/widget/ArrayAdapter", DoNotGenerateAcw=true)>]
[<Java.Interop.JavaTypeParameters(new System.String[] { "T" })>]
type ArrayAdapter = class
    inherit BaseAdapter
    interface IFilterable
    interface IJavaObject
    interface IDisposable
    interface IJavaPeerable
    interface IThemedSpinnerAdapter
    interface ISpinnerAdapter
    interface IAdapter

Inheritance: Object

Object

BaseAdapter
ArrayAdapter

Derived: Android.Widget.ArrayAdapter<T>

Attributes: RegisterAttribute JavaTypeParametersAttribute

Implements: IJavaObject IAdapter IFilterable ISpinnerAdapter IThemedSpinnerAdapter IJavaPeerable IDisposable

Remarks

By default, the array adapter creates a view by calling Object#toString() on each data object in the collection you provide, and places the result in a TextView. You may also customize what type of view is used for the data object in the collection. To customize what type of view is used for the data object, override #getView(int, View, ViewGroup) and inflate a view resource.

For an example of using an array adapter with a ListView, see the Adapter Views guide.

For an example of using an array adapter with a Spinner, see the Spinners guide.

<p class="note"><strong>Note:</strong> If you are considering using array adapter with a ListView, consider using androidx.recyclerview.widget.RecyclerView instead. RecyclerView offers similar features with better performance and more flexibility than ListView provides. See the Recycler View guide.</p>

Java documentation for android.widget.ArrayAdapter.

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.

Constructors

ArrayAdapter(Context, Int32, IList)	Constructor
ArrayAdapter(Context, Int32, Int32, IList)	Constructor
ArrayAdapter(Context, Int32, Int32, Object[])	Constructor.
ArrayAdapter(Context, Int32, Int32)	Constructor
ArrayAdapter(Context, Int32, Object[])	Constructor.
ArrayAdapter(Context, Int32)	Constructor
ArrayAdapter(IntPtr, JniHandleOwnership)	A constructor used when creating managed representations of JNI objects; called by the runtime.

Properties

Class	Returns the runtime class of this `Object`. (Inherited from Object)
Context	Returns the context associated with this array adapter.
Count	How many items are in the data set represented by this Adapter.
DropDownViewTheme	Sets the `Resources.Theme` against which drop-down views are inflated.
Filter
Handle	The handle to the underlying Android instance. (Inherited from Object)
HasStableIds	Indicates whether the item ids are stable across changes to the underlying data. (Inherited from BaseAdapter)
IsEmpty	(Inherited from BaseAdapter)
JniIdentityHashCode	(Inherited from Object)
JniPeerMembers
PeerReference	(Inherited from Object)
ThresholdClass	This API supports the Mono for Android infrastructure and is not intended to be used directly from your code.
ThresholdType	This API supports the Mono for Android infrastructure and is not intended to be used directly from your code.
ViewTypeCount	(Inherited from BaseAdapter)

Methods

Add(Object)	Adds the specified object at the end of the array.
AddAll(ICollection)	Adds the specified Collection at the end of the array.
AddAll(Object[])	Adds the specified items at the end of the array.
AreAllItemsEnabled()	Indicates whether all the items in this adapter are enabled. (Inherited from BaseAdapter)
Clear()	Remove all elements from the list.
Clone()	Creates and returns a copy of this object. (Inherited from Object)
CreateFromResource(Context, Int32, Int32)	Creates a new ArrayAdapter from external resources.
Dispose()	(Inherited from Object)
Dispose(Boolean)	(Inherited from Object)
Equals(Object)	Indicates whether some other object is "equal to" this one. (Inherited from Object)
GetAutofillOptions()	To be added
GetAutofillOptionsFormatted()	To be added
GetDropDownView(Int32, View, ViewGroup)	Gets a View that displays in the drop down popup the data at the specified position in the data set. (Inherited from BaseAdapter)
GetHashCode()	Returns a hash code value for the object. (Inherited from Object)
GetItem(Int32)	Get the data item associated with the specified position in the data set.
GetItemId(Int32)	Get the row id associated with the specified position in the list.
GetItemViewType(Int32)	Get the type of View that will be created by View for the specified item. (Inherited from BaseAdapter)
GetPosition(Object)	Returns the position of the specified item in the array.
GetView(Int32, View, ViewGroup)	Get a View that displays the data at the specified position in the data set.
Insert(Object, Int32)	Inserts the specified object at the specified index in the array.
IsEnabled(Int32)	Returns true if the item at the specified position is not a separator. (Inherited from BaseAdapter)
JavaFinalize()	Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. (Inherited from Object)
Notify()	Wakes up a single thread that is waiting on this object's monitor. (Inherited from Object)
NotifyAll()	Wakes up all threads that are waiting on this object's monitor. (Inherited from Object)
NotifyDataSetChanged()	Notifies the attached observers that the underlying data has been changed and any View reflecting the data set should refresh itself. (Inherited from BaseAdapter)
NotifyDataSetInvalidated()	Notifies the attached observers that the underlying data is no longer valid or available. (Inherited from BaseAdapter)
RegisterDataSetObserver(DataSetObserver)	Register an observer that is called when changes happen to the data used by this adapter. (Inherited from BaseAdapter)
Remove(Object)	Removes the specified object from the array.
SetAutofillOptions(ICharSequence[])	Sets the value returned by `#getAutofillOptions()` (Inherited from BaseAdapter)
SetAutofillOptions(String[])	Sets the value returned by `#getAutofillOptions()` (Inherited from BaseAdapter)
SetDropDownViewResource(Int32)	Sets the layout resource to create the drop down views.
SetHandle(IntPtr, JniHandleOwnership)	Sets the Handle property. (Inherited from Object)
SetNotifyOnChange(Boolean)	Control whether methods that change the list (`#add`, `#addAll(Collection)`, `#addAll(Object[])`, `#insert`, `#remove`, `#clear`, `#sort(Comparator)`) automatically call `#notifyDataSetChanged`.
Sort(IComparator)	Sorts the content of this adapter using the specified comparator.
ToArray<T>()	(Inherited from Object)
ToString()	Returns a string representation of the object. (Inherited from Object)
UnregisterDataSetObserver(DataSetObserver)	Unregister an observer that has previously been registered with this adapter via Android.Widget.Adapter.registerDataSetObserver(android.database.DataSetObserver). (Inherited from BaseAdapter)
UnregisterFromRuntime()	(Inherited from Object)
Wait()	Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>. (Inherited from Object)
Wait(Int64, Int32)	Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed. (Inherited from Object)
Wait(Int64)	Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed. (Inherited from Object)

Explicit Interface Implementations

IJavaPeerable.Disposed()	(Inherited from Object)
IJavaPeerable.DisposeUnlessReferenced()	(Inherited from Object)
IJavaPeerable.Finalized()	(Inherited from Object)
IJavaPeerable.JniManagedPeerState	(Inherited from Object)
IJavaPeerable.SetJniIdentityHashCode(Int32)	(Inherited from Object)
IJavaPeerable.SetJniManagedPeerState(JniManagedPeerStates)	(Inherited from Object)
IJavaPeerable.SetPeerReference(JniObjectReference)	(Inherited from Object)

Extension Methods

JavaCast<TResult>(IJavaObject)	Performs an Android runtime-checked type conversion.
GetAutofillOptions(IAdapter)
JavaCast<TResult>(IJavaObject)
GetJniTypeName(IJavaPeerable)

Applies to

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