DataItem

AI-generated Key Takeaways

• DataItem is the base object for data stored and replicated across devices in the Android Wear network.

• A DataItem is identified by its Uri, which includes its creator and path.

• DataItem contains a small blob of data and associated Assets.

• DataItem has methods to get its associated assets, get its data as a byte array, get its Uri, and set its data.

public interface DataItem implements Freezable<DataItem>

The base object of data stored in the Android Wear network. DataItem are replicated across all devices in the network. It contains a small blob of data and associated Assets.

A DataItem is identified by its Uri, which contains its creator and a path.

See Also

• DataMapItem

Public Method Summary

abstract Map<String, DataItemAsset>	getAssets() A map of Assets associated with this DataItem.
abstract byte[]	getData() An array of data stored at the specified Uri.
abstract Uri	getUri() Returns the DataItem's Uri.
abstract DataItem	setData(byte[] data) Sets the data in a DataItem.

Inherited Method Summary

From interface com.google.android.gms.common.data.Freezable

abstract DataItem	freeze()
abstract boolean	isDataValid()

Public Methods

public abstract Map<String, DataItemAsset> getAssets ()

A map of Assets associated with this DataItem. DataMapItem may be used to store structured data in the network, including Assets.

public abstract byte[] getData ()

An array of data stored at the specified Uri. DataMapItem may be used to store structured data in the network.

public abstract Uri getUri ()

Returns the DataItem's Uri. Uri.getHost() returns the id of the node that created it.

public abstract DataItem setData (byte[] data)

Sets the data in a DataItem.

The current maximum DataItem size limit is approximately 100k. DataItems should generally be much smaller than this limit.

Note: Use an empty array if there is no data to store. null is only allowed for backwards compatibility.