Sequenceable

所有已知实现类:

AbilityForm, AbilityInfo, AbsComponentSaveState, AppAccount, ApplicationInfo, AudioStreamProperty, AVDescription, AVElement, AVMetadata, AVPlaybackInfo, AVPlaybackState, AVPlaybackState.AVPlaybackCustomAction, AVQueueElement, BackupBundleInfo, BasePacMap, BiometricAuthentication.SystemAuthDialogInfo, BleAdvertiseData, BleAdvertiseSettings, BleScanFilter, BleScanResult, BluetoothDeviceClass, BluetoothRemoteDevice, BuiltinKeyEvent, BundleInfo, CdmaSignalInformation, CommonEventData, CommonEventInfo, CommonEventPublishInfo, CommonEventSubscribeInfo, ComponentProvider, ComponentProvider.Action, ComponentSaveState, CompositeEvent, ConnectionProperties, ContinuationDeviceInfo, Courier, CourierEx, CvPoint, CvRect, DataAbilityOperation, DataAbilityPredicates, DataAbilityResult, DeviceConfigInfo, DeviceInfo, DownloadConfig, EditingCapability, EditingText, EditorAttribute, ElementName, ElementNameEx, ExtraParams, Form, FormBaseInfo, FormBindingData, FormInfo, GattCharacteristic, GattDescriptor, GattService, GeneralReceiver, GeoAddress, GsmSignalInformation, HapModuleInfo, HttpProxy, InnerEvent, Insets, InstallParam, Intent, IntentAgent, IntentAgentEx, IntentParams, IpInfo, IpPrefix, KeyBoardEvent, KeyEvent, LinkAddress, LteSignalInformation, ManipulationEvent, MatchingSkills, MessageRecord, MessageUser, MimeData, MouseEvent, MousePointerStyle, MousePointerStyle.HotSpot, MultimodalEvent, NdefMessage, NetCapabilities, NetHandle, NetSpecifier, NetworkState, NotificationActionButton, NotificationRequest, NotificationRequest.NotificationContent, NotificationRequest.NotificationConversationalContent, NotificationRequest.NotificationConversationalContent.ConversationalMessage, NotificationRequest.NotificationLongTextContent, NotificationRequest.NotificationMediaContent, NotificationRequest.NotificationMultiLineContent, NotificationRequest.NotificationNormalContent, NotificationRequest.NotificationPictureContent, NotificationSlot, NotificationSlotGroup, NotificationSorting, NotificationSortingMap, NotificationSubscribeInfo, NotificationUserInput, NrSignalInformation, PacMap, PacMapEx, PasteData, PasteData.DataProperty, PasteData.Record, PermissionDef, PermissionGroupDef, PersistablePacMap, PixelMap, ProcessErrorInfo, ProcessInfo, ProviderFormInfo, Rect, Rect, ReminderRequest, ReminderRequestAlarm, ReminderRequestCalendar, ReminderRequestTimer, RequestParam, RichContent, RotationEvent, RouteInfo, SequenceUuid, SharedBlock, ShortcutInfo, ShortcutIntent, SignalInformation, SpeechEvent, StorageInfo, StylusEvent, Surface, SystemMemoryInfo, TagInfo, TdscdmaSignalInformation, TouchEvent, Uri, ValuesBucket, ViewsStatus, WcdmaSignalInformation, WifiDeviceConfig, WifiLinkedInfo, WifiP2pConfig, WifiP2pDevice, WifiP2pGroup, WifiP2pLinkedInfo, WifiP2pNetworkInfo, WifiScanInfo, WorkInfo
```
public interface Sequenceable
```
Writes objects of a class into and restores them from a Parcel during inter-process communication (IPC).
This can be done during IPC only after the class inherits from Sequenceable and implements the marshalling and unmarshalling methods provided in Sequenceable. If the class has a final member variable whose value cannot be changed by calling unmarshalling, you must also implement the createFromParcel method in Sequenceable.Producer.
Example code:
```
 public class Example implements Sequenceable {
     private int number;

     private String name;

     public boolean marshalling(Parcel out) {
         return out.writeInt(number) && out.writeString(name);
     }

     public boolean unmarshalling(Parcel in) {
         this.number = in.readInt();
         this.name = in.readString();
         return true;
     }

     public static final Sequenceable.Producer PRODUCER = new Sequenceable.Producer() {
         public Example createFromParcel(Parcel in) {
             // Initialize an instance first, then do customized unmarshlling.
             Example instance = new Example();
             instance.unmarshalling(in);
             return instance;
         }
     };
 }
 
```
从以下版本开始:

1

嵌套类概要

嵌套类
限定符和类型接口说明

static interface Sequenceable.Producer<T>
Creates a Sequenceable instance from a Parcel.

嵌套类
限定符和类型	接口	说明
`static interface`	`Sequenceable.Producer<T>`	Creates a `Sequenceable` instance from a `Parcel`.

方法概要

所有方法实例方法抽象方法默认方法
限定符和类型	方法	说明
`default boolean`	`hasFileDescriptor()`	Checks whether the implementation class of this `Sequenceable` contains `FileDescriptor` object data.
`boolean`	`marshalling(Parcel out)`	Marshals this `Sequenceable` object into a `Parcel`.
`boolean`	`unmarshalling(Parcel in)`	Unmarshals this `Sequenceable` object from a `Parcel`.

- 方法详细资料
  - hasFileDescriptor
```
default boolean hasFileDescriptor()
```
    Checks whether the implementation class of this Sequenceable contains FileDescriptor object data.
    If the custom Sequenceable class contains any FileDescriptor data, you should override this method. This method return false by default.
    
    返回:
    
    Returns true if it contains FileDescriptor data; returns false otherwise.
    
    从以下版本开始:
    
    3
  - marshalling
```
boolean marshalling(Parcel out)
```
    Marshals this Sequenceable object into a Parcel.
    
    参数:
    
    out - Indicates the Parcel object to which the Sequenceable object will be marshaled..
    
    返回:
    
    Returns true if the marshalling is successful; returns false otherwise.
    
    抛出:
    
    ParcelException - Throws this exception if the operation fails.
    
    从以下版本开始:
    
    1
  - unmarshalling
```
boolean unmarshalling(Parcel in)
```
    Unmarshals this Sequenceable object from a Parcel.
    
    参数:
    
    in - Indicates the Parcel object into which the Sequenceable object has been marshaled.
    
    返回:
    
    Returns true if the unmarshalling is successful; returns false otherwise.
    
    抛出:
    
    ParcelException - Throws this exception if the operation fails.
    
    从以下版本开始:
    
    1

接口 Sequenceable

嵌套类概要

方法概要

方法详细资料

hasFileDescriptor

marshalling

unmarshalling