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Option
class Option
Stack walker option to configure the stack frame information obtained by a StackWalker.
Summary
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Retains Class object in StackFrames walked by this StackWalker.
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Shows all hidden frames.
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Shows all reflection frames.
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Enum values
SHOW_HIDDEN_FRAMES
enum val SHOW_HIDDEN_FRAMES : StackWalker.Option
Shows all hidden frames.
A Java Virtual Machine implementation may hide implementation specific frames in addition to reflection frames. A StackWalker with this SHOW_HIDDEN_FRAMES option will show all hidden frames (including reflection frames).
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Last updated 2025-02-10 UTC.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[],null,["# StackWalker.Option\n\nAdded in [API level 34](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)\n\nOption\n======\n\n```\nclass Option\n```\n\n|---|---|-----------------------------------|\n| [kotlin.Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html) |||\n| ↳ | [kotlin.Enum](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-enum/index.html)\\\u003c[java.lang.StackWalker.Option](#)\\\u003e ||\n| | ↳ | [java.lang.StackWalker.Option](#) |\n\n|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| Known Direct Subclasses [StackWalker.Option.RETAIN_CLASS_REFERENCE](#ENUM_VALUE:RETAIN_CLASS_REFERENCE), [StackWalker.Option.SHOW_HIDDEN_FRAMES](#ENUM_VALUE:SHOW_HIDDEN_FRAMES), [StackWalker.Option.SHOW_REFLECT_FRAMES](#ENUM_VALUE:SHOW_REFLECT_FRAMES) |---------------------------------------------------------------------------------|-----------------------------------------------------------------------| | [StackWalker.Option.RETAIN_CLASS_REFERENCE](#ENUM_VALUE:RETAIN_CLASS_REFERENCE) | Retains `Class` object in `StackFrame`s walked by this `StackWalker`. | | [StackWalker.Option.SHOW_HIDDEN_FRAMES](#ENUM_VALUE:SHOW_HIDDEN_FRAMES) | Shows all hidden frames. | | [StackWalker.Option.SHOW_REFLECT_FRAMES](#ENUM_VALUE:SHOW_REFLECT_FRAMES) | Shows all reflection frames. | |\n\nStack walker option to configure the [stack frame](/reference/kotlin/java/lang/StackWalker.StackFrame) information obtained by a `StackWalker`.\n\nSummary\n-------\n\n| Enum values ||\n|------------------------------------------------------------------------------------------------------------------------------------|---|\n| [RETAIN_CLASS_REFERENCE](#ENUM_VALUE:RETAIN_CLASS_REFERENCE) Retains `Class` object in `StackFrame`s walked by this `StackWalker`. |\n| [SHOW_HIDDEN_FRAMES](#ENUM_VALUE:SHOW_HIDDEN_FRAMES) Shows all hidden frames. |\n| [SHOW_REFLECT_FRAMES](#ENUM_VALUE:SHOW_REFLECT_FRAMES) Shows all reflection frames. |\n\nEnum values\n-----------\n\n### RETAIN_CLASS_REFERENCE\n\nAdded in [API level 34](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nenum val RETAIN_CLASS_REFERENCE : StackWalker.Option\n```\n\nRetains `Class` object in `StackFrame`s walked by this `StackWalker`.\n\nA `StackWalker` configured with this option will support [StackWalker.getCallerClass()](/reference/kotlin/java/lang/StackWalker#getCallerClass()) and [StackFrame.getDeclaringClass()](/reference/kotlin/java/lang/StackWalker.StackFrame#getDeclaringClass()). \n\n### SHOW_HIDDEN_FRAMES\n\nAdded in [API level 34](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nenum val SHOW_HIDDEN_FRAMES : StackWalker.Option\n```\n\nShows all hidden frames.\n\nA Java Virtual Machine implementation may hide implementation specific frames in addition to [reflection frames](#). A `StackWalker` with this `SHOW_HIDDEN_FRAMES` option will show all hidden frames (including reflection frames). \n\n### SHOW_REFLECT_FRAMES\n\nAdded in [API level 34](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nenum val SHOW_REFLECT_FRAMES : StackWalker.Option\n```\n\nShows all reflection frames.\n\nBy default, reflection frames are hidden. A `StackWalker` configured with this `SHOW_REFLECT_FRAMES` option will show all reflection frames that include [java.lang.reflect.Method#invoke](/reference/kotlin/java/lang/reflect/Method#invoke(kotlin.Any,%20kotlin.Any)) and [java.lang.reflect.Constructor#newInstance(Object...)](/reference/kotlin/java/lang/reflect/Constructor#newInstance(kotlin.Any)) and their reflection implementation classes.\n\nThe [SHOW_HIDDEN_FRAMES](#) option can also be used to show all reflection frames and it will also show other hidden frames that are implementation-specific."]]
