java.lang.Object
- org.robolectric.shadows.ShadowTrace

```
@Implements(android.os.Trace.class)
public class ShadowTrace
extends Object
```
Shadow implementation for Trace, which stores the traces locally in arrays (unlike the real implementation) and allows reading them.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`ShadowTrace.AsyncTraceSection`	AutoValue representation of a trace triggered by one of the async apis
`static class`	`ShadowTrace.Counter`	Counters emitted with the setCounter API

Constructor Summary

Constructors
Constructor Description

ShadowTrace()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`protected static void`	`beginAsyncSection(String sectionName, int cookie)`	Starts a new async trace section with given name.
`protected static void`	`beginSection(String sectionName)`	Starts a new trace section with given name.
`static void`	`doNotUseSetCrashOnIncorrectUsage(boolean crashOnIncorrectUsage)`	Do not use this method unless absolutely necessary.
`protected static void`	`endAsyncSection(String sectionName, int cookie)`	Ends async trace trace section.
`protected static void`	`endSection()`	Ends the most recent active trace section.
`static com.google.common.collect.ImmutableList<ShadowTrace.Counter>`	`getCounters()`	Returns an ordered list of previous counters.
`static com.google.common.collect.ImmutableSet<ShadowTrace.AsyncTraceSection>`	`getCurrentAsyncSections()`	Returns a set of all the current active async trace sections.
`static Deque<String>`	`getCurrentSections()`	Returns a stack of the currently active trace sections for the current thread.
`static com.google.common.collect.ImmutableSet<ShadowTrace.AsyncTraceSection>`	`getPreviousAsyncSections()`	Returns a set of all the previously active async trace sections.
`static Queue<String>`	`getPreviousSections()`	Returns a queue of all the previously active trace sections for the current thread.
`protected static boolean`	`isEnabled()`	Returns whether systrace is enabled.
`protected static long`	`nativeGetEnabledTags()`
`static void`	`reset()`	Resets internal lists of active trace sections.
`protected static void`	`setAppTracingAllowed(boolean appTracingAllowed)`
`protected static void`	`setCounter(String counterName, long counterValue)`
`static void`	`setEnabled(boolean enabled)`	Sets the systrace to enabled or disabled.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- ShadowTrace
```
public ShadowTrace()
```

Method Detail

beginSection

@Implementation(minSdk=18)
protected static void beginSection(String sectionName)

Starts a new trace section with given name.

endSection

@Implementation(minSdk=18)
protected static void endSection()

Ends the most recent active trace section.

beginAsyncSection

@Implementation(minSdk=29)
protected static void beginAsyncSection(String sectionName,
                                        int cookie)

Starts a new async trace section with given name.

endAsyncSection

@Implementation(minSdk=29)
protected static void endAsyncSection(String sectionName,
                                      int cookie)

Ends async trace trace section.

nativeGetEnabledTags

@Implementation(minSdk=18)
protected static long nativeGetEnabledTags()

setAppTracingAllowed

@Implementation(minSdk=18)
protected static void setAppTracingAllowed(boolean appTracingAllowed)

isEnabled

@Implementation(minSdk=29)
protected static boolean isEnabled()

Returns whether systrace is enabled.

setCounter

@Implementation(minSdk=29)
protected static void setCounter(String counterName,
                                 long counterValue)

setEnabled

public static void setEnabled(boolean enabled)

Sets the systrace to enabled or disabled.

getCurrentSections
```
public static Deque<String> getCurrentSections()
```
Returns a stack of the currently active trace sections for the current thread.

getPreviousSections
```
public static Queue<String> getPreviousSections()
```
Returns a queue of all the previously active trace sections for the current thread.

getCurrentAsyncSections

public static com.google.common.collect.ImmutableSet<ShadowTrace.AsyncTraceSection> getCurrentAsyncSections()

Returns a set of all the current active async trace sections.

getPreviousAsyncSections

public static com.google.common.collect.ImmutableSet<ShadowTrace.AsyncTraceSection> getPreviousAsyncSections()

Returns a set of all the previously active async trace sections.

getCounters

public static com.google.common.collect.ImmutableList<ShadowTrace.Counter> getCounters()

Returns an ordered list of previous counters.

doNotUseSetCrashOnIncorrectUsage
```
public static void doNotUseSetCrashOnIncorrectUsage(boolean crashOnIncorrectUsage)
```
Do not use this method unless absolutely necessary. Prefer fixing the tests instead.
Sets whether to crash on incorrect usage (e.g., calling endSection() before beginSection(java.lang.String). Default value - true.

reset
```
@Resetter
public static void reset()
```
Resets internal lists of active trace sections.

Class ShadowTrace

Nested Class Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

ShadowTrace