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UiThreadTestRule

This package is part of the Android support library which is no longer maintained. The support library has been superseded by AndroidX which is part of Jetpack. We recommend using the AndroidX libraries in all new projects. You should also consider migrating existing projects to AndroidX. To find the AndroidX class that maps to this deprecated class, see the AndroidX support library class mappings.

public class UiThreadTestRule
extends Object implements TestRule

java.lang.Object
↳	android.support.test.rule.UiThreadTestRule

---

This class is deprecated.
use UiThreadTest directly without this rule. UiThreadTest is now supported as part of the core Android test runner to provide the ability to run methods annotated with @Before and @After on the UI thread regardless of what @Test is annotated with.

This rule allows the test method annotated with UiThreadTest to execute on the application's main thread (or UI thread).

Note, methods annotated with Before and After will also be executed on the UI thread.

See also:

• if you need to switch in and out of the UI thread within your method.

Summary

Public constructors
UiThreadTestRule()

Public methods
Statement	apply(Statement base, Description description)
void	runOnUiThread(Runnable runnable) Helper method for running part of a method on the UI thread.

Protected methods
boolean	shouldRunOnUiThread(Description description)

Inherited methods
From class java.lang.Object Object clone() boolean equals(Object arg0) void finalize() final Class<?> getClass() int hashCode() final void notify() final void notifyAll() String toString() final void wait(long arg0, int arg1) final void wait(long arg0) final void wait()
From interface org.junit.rules.TestRule abstract Statement apply(Statement arg0, Description arg1)

Public constructors

UiThreadTestRule

UiThreadTestRule ()

Public methods

apply

Statement apply (Statement base, 
                Description description)

Parameters
base	Statement
description	Description

Returns
Statement

runOnUiThread

void runOnUiThread (Runnable runnable)

Helper method for running part of a method on the UI thread.

Note: In most cases it is simpler to annotate the test method with UiThreadTest.

Use this method if you need to switch in and out of the UI thread within your method.

Parameters
runnable	Runnable: runnable containing test code in the run() method

Throws
Throwable

See also:

• UiThreadTest

Protected methods

shouldRunOnUiThread

boolean shouldRunOnUiThread (Description description)

Parameters
description	Description

Returns
boolean

• Classes

  • ActivityTestRule
  • DisableOnAndroidDebug
  • GrantPermissionRule
  • ServiceTestRule
  • UiThreadTestRule