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PreviewChannel

public class PreviewChannel

Since API 26, all TV apps may create preview channels and publish them to the home screen. We call these App Channels (as distinct from the Live Channels row on the home screen). To help you create App Channels, the support library provides a number of classes prefixed by the word Preview-. This is a convenience class for mapping your app's content into a TvProvider Channel for publication. Use the provided Builder for creating your preview channel object. Once you create a preview channel, you can use PreviewChannelHelper to publish it and add programs to it.

Summary

Nested types
public final class PreviewChannel.Builder

This builder makes it easy to create a PreviewChannel object by allowing you to chain setters.

Public methods
boolean
equals(Object other)
static @Nullable PreviewChannel

Used by PreviewChannelHelper to transduce a TvProvider channel row into a PreviewChannel Java object.
Intent
Uri
CharSequence
CharSequence
long
byte[]
Long
Long
Long
Long
String
Bitmap

This method should be called on a worker thread since decoding Bitmap is an expensive operation and therefore should not be performed on the main thread.
String
String
boolean

Indicates whether some other PreviewChannel has any set attribute that is different from this PreviewChannel's respective attributes.
int
boolean
String

Public methods

equals

public boolean equals(Object other)

fromCursor

Added in 1.1.0
public static @Nullable PreviewChannel fromCursor(Cursor cursor)

Used by PreviewChannelHelper to transduce a TvProvider channel row into a PreviewChannel Java object. You never need to use this method unless you want to convert database rows to PreviewChannel objects yourself.

This method assumes the cursor was obtained using .PreviewChannel.Columns#PROJECTION. This way, all indices are known beforehand.
Parameters
Cursor cursor

a cursor row from the TvProvider
Returns
@Nullable PreviewChannel

a PreviewChannel whose values come from the cursor row or null if the cursor is not pointing at a preview channel.

getAppLinkIntent

Added in 1.1.0
public Intent getAppLinkIntent()
Returns
Intent

The value of COLUMN_APP_LINK_INTENT_URI for the program.
Throws
java.net.URISyntaxException

getAppLinkIntentUri

Added in 1.1.0
public Uri getAppLinkIntentUri()
Returns
Uri

The value of COLUMN_APP_LINK_INTENT_URI for the channel.

getDescription

Added in 1.1.0
public CharSequence getDescription()
Returns
CharSequence

The value of COLUMN_DESCRIPTION for the channel. A short text explaining what this channel contains.

getDisplayName

Added in 1.1.0
public CharSequence getDisplayName()
Returns
CharSequence

The name users see when this channel appears on the home screen

getId

Added in 1.1.0
public long getId()
Returns
long

the ID the system assigns to this preview channel upon publication.

getInternalProviderDataByteArray

Added in 1.1.0
public byte[] getInternalProviderDataByteArray()
Returns
byte[]

The value of COLUMN_INTERNAL_PROVIDER_DATA for the channel.

getInternalProviderFlag1

Added in 1.1.0
public Long getInternalProviderFlag1()
Returns
Long

The value of COLUMN_INTERNAL_PROVIDER_FLAG1 for the channel.

getInternalProviderFlag2

Added in 1.1.0
public Long getInternalProviderFlag2()
Returns
Long

The value of COLUMN_INTERNAL_PROVIDER_FLAG2 for the channel.

getInternalProviderFlag3

Added in 1.1.0
public Long getInternalProviderFlag3()
Returns
Long

The value of COLUMN_INTERNAL_PROVIDER_FLAG3 for the channel.

getInternalProviderFlag4

Added in 1.1.0
public Long getInternalProviderFlag4()
Returns
Long

The value of COLUMN_INTERNAL_PROVIDER_FLAG4 for the channel.

getInternalProviderId

Added in 1.1.0
public String getInternalProviderId()
Returns
String

The value of COLUMN_INTERNAL_PROVIDER_ID for the channel.

getLogo

Added in 1.1.0
@WorkerThread
public Bitmap getLogo(Context context)

This method should be called on a worker thread since decoding Bitmap is an expensive operation and therefore should not be performed on the main thread.

Returns
Bitmap

The logo associated with this preview channel

getPackageName

Added in 1.1.0
public String getPackageName()
Returns
String

package name of the app that created this channel

getType

Added in 1.1.0
public String getType()
Returns
String

what type of channel this is. For preview channels, the type is always TvContractCompat.Channels.TYPE_PREVIEW

hasAnyUpdatedValues

Added in 1.1.0
public boolean hasAnyUpdatedValues(PreviewChannel update)

Indicates whether some other PreviewChannel has any set attribute that is different from this PreviewChannel's respective attributes. An attribute is considered "set" if its key is present in the ContentValues vector.

hashCode

public int hashCode()

isBrowsable

Added in 1.1.0
public boolean isBrowsable()
Returns
boolean

The value of COLUMN_BROWSABLE for the channel. A preview channel is BROWABLE when it is visible on the TV home screen.

toString

public String toString()
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