Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level
35](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) Summary: [Inherited Constants](https://developer.android.com/reference/android/app/slice/SliceSpec#inhconstants) \| [Fields](https://developer.android.com/reference/android/app/slice/SliceSpec#lfields) \| [Ctors](https://developer.android.com/reference/android/app/slice/SliceSpec#pubctors) \| [Methods](https://developer.android.com/reference/android/app/slice/SliceSpec#pubmethods) \| [Inherited Methods](https://developer.android.com/reference/android/app/slice/SliceSpec#inhmethods)

# SliceSpec

*** ** * ** ***


`
public

final

class
SliceSpec
`


`

extends https://developer.android.com/reference/java/lang/Object


`

`


implements

https://developer.android.com/reference/android/os/Parcelable


`

|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) ||
| ↳ | android.app.slice.SliceSpec |

<br />

*** ** * ** ***


**This class was deprecated
in API level 35.**   

Slice framework has been deprecated, it will not receive any updates from
`https://developer.android.com/` and forward. If you are looking for a
framework that sends displayable data from one app to another, consider using
`https://developer.android.com/reference/android/app/appsearch/AppSearchManager`.

Class describing the structure of the data contained within a slice.


A data version contains a string which describes the type of structure
and a revision which denotes this specific implementation. Revisions are expected
to be backwards compatible and monotonically increasing. Meaning if a
SliceSpec has the same type and an equal or lesser revision,
it is expected to be compatible.


Apps rendering slices will provide a list of supported versions to the OS which
will also be given to the app. Apps should only return a `https://developer.android.com/reference/android/app/slice/Slice` with a
`https://developer.android.com/reference/android/app/slice/SliceSpec` that one of the supported `https://developer.android.com/reference/android/app/slice/SliceSpec`s provided
`https://developer.android.com/reference/android/app/slice/SliceSpec#canRender(android.app.slice.SliceSpec)`.
**See also:**

- `https://developer.android.com/reference/android/app/slice/Slice`
- `https://developer.android.com/reference/android/app/slice/SliceProvider#onBindSlice(android.net.Uri,%20java.util.Set<android.app.slice.SliceSpec>)`

## Summary

| ### Inherited constants |
|---|
| From interface `https://developer.android.com/reference/android/os/Parcelable` |---|---| | `int` | `https://developer.android.com/reference/android/os/Parcelable#CONTENTS_FILE_DESCRIPTOR` Descriptor bit used with `https://developer.android.com/reference/android/os/Parcelable#describeContents()`: indicates that the Parcelable object's flattened representation includes a file descriptor. | | `int` | `https://developer.android.com/reference/android/os/Parcelable#PARCELABLE_WRITE_RETURN_VALUE` Flag for use with `https://developer.android.com/reference/android/os/Parcelable#writeToParcel(android.os.Parcel,%20int)`: the object being written is a return value, that is the result of a function such as "`Parcelable someFunction()`", "`void someFunction(out Parcelable)`", or "`void someFunction(inout Parcelable)`". | |

| ### Fields ||
|---|---|
| ` public static final https://developer.android.com/reference/android/os/Parcelable.Creator<https://developer.android.com/reference/android/app/slice/SliceSpec>` | `https://developer.android.com/reference/android/app/slice/SliceSpec#CREATOR` |

| ### Public constructors ||
|---|---|
| ` https://developer.android.com/reference/android/app/slice/SliceSpec#SliceSpec(java.lang.String,%20int)(https://developer.android.com/reference/java/lang/String type, int revision) ` |

| ### Public methods ||
|---|---|
| ` boolean` | ` https://developer.android.com/reference/android/app/slice/SliceSpec#canRender(android.app.slice.SliceSpec)(https://developer.android.com/reference/android/app/slice/SliceSpec candidate) ` Indicates that this spec can be used to render the specified spec. |
| ` int` | ` https://developer.android.com/reference/android/app/slice/SliceSpec#describeContents()() ` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. |
| ` boolean` | ` https://developer.android.com/reference/android/app/slice/SliceSpec#equals(java.lang.Object)(https://developer.android.com/reference/java/lang/Object obj) ` Indicates whether some other object is "equal to" this one. |
| ` int` | ` https://developer.android.com/reference/android/app/slice/SliceSpec#getRevision()() ` Gets the revision of the version. |
| ` https://developer.android.com/reference/java/lang/String` | ` https://developer.android.com/reference/android/app/slice/SliceSpec#getType()() ` Gets the type of the version. |
| ` https://developer.android.com/reference/java/lang/String` | ` https://developer.android.com/reference/android/app/slice/SliceSpec#toString()() ` Returns a string representation of the object. |
| ` void` | ` https://developer.android.com/reference/android/app/slice/SliceSpec#writeToParcel(android.os.Parcel,%20int)(https://developer.android.com/reference/android/os/Parcel dest, int flags) ` Flatten this object in to a Parcel. |

| ### Inherited methods |
|---|---|
| From class ` https://developer.android.com/reference/java/lang/Object ` |---|---| | ` https://developer.android.com/reference/java/lang/Object` | ` https://developer.android.com/reference/java/lang/Object#clone()() ` Creates and returns a copy of this object. | | ` boolean` | ` https://developer.android.com/reference/java/lang/Object#equals(java.lang.Object)(https://developer.android.com/reference/java/lang/Object obj) ` Indicates whether some other object is "equal to" this one. | | ` void` | ` https://developer.android.com/reference/java/lang/Object#finalize()() ` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. | | ` final https://developer.android.com/reference/java/lang/Class<?>` | ` https://developer.android.com/reference/java/lang/Object#getClass()() ` Returns the runtime class of this `Object`. | | ` int` | ` https://developer.android.com/reference/java/lang/Object#hashCode()() ` Returns a hash code value for the object. | | ` final void` | ` https://developer.android.com/reference/java/lang/Object#notify()() ` Wakes up a single thread that is waiting on this object's monitor. | | ` final void` | ` https://developer.android.com/reference/java/lang/Object#notifyAll()() ` Wakes up all threads that are waiting on this object's monitor. | | ` https://developer.android.com/reference/java/lang/String` | ` https://developer.android.com/reference/java/lang/Object#toString()() ` Returns a string representation of the object. | | ` final void` | ` https://developer.android.com/reference/java/lang/Object#wait(long,%20int)(long timeoutMillis, int nanos) ` Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed. | | ` final void` | ` https://developer.android.com/reference/java/lang/Object#wait(long)(long timeoutMillis) ` Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed. | | ` final void` | ` https://developer.android.com/reference/java/lang/Object#wait()() ` Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*. | ||
| From interface ` https://developer.android.com/reference/android/os/Parcelable ` |---|---| | ` abstract int` | ` https://developer.android.com/reference/android/os/Parcelable#describeContents()() ` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. | | ` abstract void` | ` https://developer.android.com/reference/android/os/Parcelable#writeToParcel(android.os.Parcel,%20int)(https://developer.android.com/reference/android/os/Parcel dest, int flags) ` Flatten this object in to a Parcel. | ||

## Fields

### CREATOR

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final Creator<SliceSpec> CREATOR
```

<br />

<br />

## Public constructors

### SliceSpec

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public SliceSpec (String type, 
                int revision)
```

<br />

<br />

| Parameters ||
|---|---|
| `type` | `String`: This value cannot be `null`. <br /> |
| `revision` | `int` <br /> |

## Public methods

### canRender

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public boolean canRender (SliceSpec candidate)
```

Indicates that this spec can be used to render the specified spec.


Rendering support is not bi-directional (e.g. Spec v3 can render
Spec v2, but Spec v2 cannot render Spec v3).

<br />

| Parameters ||
|---|---|
| `candidate` | `SliceSpec`: candidate format of data. This value cannot be `null`. <br /> |

| Returns ||
|---|---|
| `boolean` | true if versions are compatible. <br /> |

**See also:**

- `https://developer.android.com/`

### describeContents

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public int describeContents ()
```

Describe the kinds of special objects contained in this Parcelable
instance's marshaled representation. For example, if the object will
include a file descriptor in the output of `https://developer.android.com/reference/android/os/Parcelable#writeToParcel(android.os.Parcel,%20int)`,
the return value of this method must include the
`https://developer.android.com/reference/android/os/Parcelable#CONTENTS_FILE_DESCRIPTOR` bit.

<br />

| Returns ||
|---|---|
| `int` | a bitmask indicating the set of special object types marshaled by this Parcelable object instance. Value is either `0` or - `https://developer.android.com/reference/android/os/Parcelable#CONTENTS_FILE_DESCRIPTOR` |

### equals

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public boolean equals (Object obj)
```

Indicates whether some other object is "equal to" this one.


The `equals` method implements an equivalence relation
on non-null object references:

- It is *reflexive*: for any non-null reference value `x`, `x.equals(x)` should return `true`.
- It is *symmetric*: for any non-null reference values `x` and `y`, `x.equals(y)` should return `true` if and only if `y.equals(x)` returns `true`.
- It is *transitive*: for any non-null reference values `x`, `y`, and `z`, if `x.equals(y)` returns `true` and `y.equals(z)` returns `true`, then `x.equals(z)` should return `true`.
- It is *consistent*: for any non-null reference values `x` and `y`, multiple invocations of `x.equals(y)` consistently return `true` or consistently return `false`, provided no information used in `equals` comparisons on the objects is modified.
- For any non-null reference value `x`, `x.equals(null)` should return `false`.


An equivalence relation partitions the elements it operates on
into *equivalence classes*; all the members of an
equivalence class are equal to each other. Members of an
equivalence class are substitutable for each other, at least
for some purposes.

<br />

| Parameters ||
|---|---|
| `obj` | `Object`: This value may be `null`. <br /> |

| Returns ||
|---|---|
| `boolean` | `true` if this object is the same as the obj argument; `false` otherwise. <br /> |

### getRevision

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public int getRevision ()
```

Gets the revision of the version.

<br />

| Returns ||
|---|---|
| `int` | <br /> |

### getType

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public String getType ()
```

Gets the type of the version.

<br />

| Returns ||
|---|---|
| `https://developer.android.com/reference/java/lang/String` | <br /> |

### toString

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public String toString ()
```

Returns a string representation of the object.

<br />

| Returns ||
|---|---|
| `https://developer.android.com/reference/java/lang/String` | a string representation of the object. <br /> |

### writeToParcel

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public void writeToParcel (Parcel dest, 
                int flags)
```

Flatten this object in to a Parcel.

<br />

| Parameters ||
|---|---|
| `dest` | `Parcel`: The Parcel in which the object should be written. This value cannot be `null`. <br /> |
| `flags` | `int`: Additional flags about how the object should be written. May be 0 or `https://developer.android.com/reference/android/os/Parcelable#PARCELABLE_WRITE_RETURN_VALUE`. Value is either `0` or a combination of the following: - `https://developer.android.com/reference/android/os/Parcelable#PARCELABLE_WRITE_RETURN_VALUE` |