[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-10-31 UTC."],[[["\u003cp\u003e\u003ccode\u003eTrackData\u003c/code\u003e stores data recorded to a track, accessible during playback using \u003ccode\u003eFrame.getUpdatedTrackData(UUID)\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eYou can retrieve the recorded byte data with \u003ccode\u003egetData()\u003c/code\u003e and the frame's timestamp with \u003ccode\u003egetFrameTimestamp()\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eclose()\u003c/code\u003e releases native resources associated with the \u003ccode\u003eTrackData\u003c/code\u003e object.\u003c/p\u003e\n"]]],[],null,["# TrackData\n\n`\npublic class\n`**TrackData**`\n` \nData that was recorded to a track. This data can be queried via [Frame.getUpdatedTrackData(UUID)](/ar/reference/java/com/google/ar/core/Frame#getUpdatedTrackData(java.util.UUID))\nduring playback. \n\nPublic Methods\n--------------\n\n|---------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| ` void ` | [close](/ar/reference/java/com/google/ar/core/TrackData#close())`()` Release the native resources for this object. |\n| ` `[ByteBuffer](https://developer.android.com/reference/java/nio/ByteBuffer)` ` | [getData](/ar/reference/java/com/google/ar/core/TrackData#getData())`()` Get the byte data recorded using [Frame.recordTrackData(UUID, ByteBuffer)](/ar/reference/java/com/google/ar/core/Frame#recordTrackData(java.util.UUID,%20java.nio.ByteBuffer)). |\n| ` long ` | [getFrameTimestamp](/ar/reference/java/com/google/ar/core/TrackData#getFrameTimestamp())`()` Retrieves the timestamp in nanoseconds of the frame this TrackData was recorded on via [Frame.recordTrackData(UUID, ByteBuffer)](/ar/reference/java/com/google/ar/core/Frame#recordTrackData(java.util.UUID,%20java.nio.ByteBuffer)). |\n\nInherited Methods\n-----------------\n\nFrom `class\njava.lang.Object` \n\n|---------------------------------------------------------------------------------|-------------------------------------------------------------------------------------|\n| ` `[Object](https://developer.android.com/reference/java/lang/Object)` ` | clone`()` |\n| ` boolean ` | equals`(`[Object](https://developer.android.com/reference/java/lang/Object)` arg0)` |\n| ` void ` | finalize`()` |\n| ` final `[Class](https://developer.android.com/reference/java/lang/Class)`\u003c?\u003e ` | getClass`()` |\n| ` int ` | hashCode`()` |\n| ` final void ` | notify`()` |\n| ` final void ` | notifyAll`()` |\n| ` `[String](https://developer.android.com/reference/java/lang/String)` ` | toString`()` |\n| ` final void ` | wait`(long arg0, int arg1)` |\n| ` final void ` | wait`(long arg0)` |\n| ` final void ` | wait`()` |\n\nPublic Methods\n--------------\n\n#### public\nvoid\nclose\n()\n\n### close\n\n```java\npublic void close()\n``` \nRelease the native resources for this object.\n\n#### public\n[ByteBuffer](https://developer.android.com/reference/java/nio/ByteBuffer)\ngetData\n()\n\n### getData\n\n```java\npublic ByteBuffer getData()\n``` \nGet the byte data recorded using [Frame.recordTrackData(UUID, ByteBuffer)](/ar/reference/java/com/google/ar/core/Frame#recordTrackData(java.util.UUID,%20java.nio.ByteBuffer)). The\nByteBuffer's limit and capacity with both be set to the limit of the ByteBuffer passed in to\n[Frame.recordTrackData(UUID, ByteBuffer)](/ar/reference/java/com/google/ar/core/Frame#recordTrackData(java.util.UUID,%20java.nio.ByteBuffer)) when this was recorded.\n\n#### public\nlong\ngetFrameTimestamp\n()\n\n### getFrameTimestamp\n\n```java\npublic long getFrameTimestamp()\n``` \nRetrieves the timestamp in nanoseconds of the frame this TrackData was recorded on via [Frame.recordTrackData(UUID, ByteBuffer)](/ar/reference/java/com/google/ar/core/Frame#recordTrackData(java.util.UUID,%20java.nio.ByteBuffer)). This timestamp is equal to the result of [Frame.getTimestamp()](/ar/reference/java/com/google/ar/core/Frame#getTimestamp()) on the frame when [Frame.recordTrackData(UUID, ByteBuffer)](/ar/reference/java/com/google/ar/core/Frame#recordTrackData(java.util.UUID,%20java.nio.ByteBuffer)) was\ncalled."]]
