public final class

InstrumentationRegistry

extends Object
java.lang.Object
   ↳ android.support.test.InstrumentationRegistry

Class Overview

An exposed registry instance that holds a reference to the instrumentation running in the process and it's arguments. Also provides an easy way for callers to get a hold of instrumentation, application context and instrumentation arguments Bundle.

Summary

Public Methods
static Bundle getArguments()
Returns a copy of instrumentation arguments Bundle.
static Context getContext()
Return the Context of this instrumentation's package.
static Instrumentation getInstrumentation()
Returns the instrumentation currently running.
static Context getTargetContext()
Return a Context for the target application being instrumented.
static void registerInstance(Instrumentation instrumentation, Bundle arguments)
Records/exposes the instrumentation currently running and stores a copy of the instrumentation arguments Bundle in the registry.
[Expand]
Inherited Methods
From class java.lang.Object

Public Methods

public static Bundle getArguments ()

Returns a copy of instrumentation arguments Bundle. Use this to get a Bundle containing the command line arguments passed to Instrumentation into your test.

This Bundle is not guaranteed to be present under all instrumentations.

Returns
  • Bundle the arguments for this instrumentation.
Throws
IllegalStateException if no argument Bundle has been registered.

public static Context getContext ()

Return the Context of this instrumentation's package. Use this to get a Context representing getContext() into your test.

public static Instrumentation getInstrumentation ()

Returns the instrumentation currently running. Use this to get an Instrumentation into your test.

Throws
IllegalStateException if instrumentation hasn't been registered

public static Context getTargetContext ()

Return a Context for the target application being instrumented. Use this to get a Context representing getTargetContext() into your test.

public static void registerInstance (Instrumentation instrumentation, Bundle arguments)

Records/exposes the instrumentation currently running and stores a copy of the instrumentation arguments Bundle in the registry.

This is a global registry - so be aware of the impact of calling this method!

Parameters
instrumentation the instrumentation currently running.
arguments the arguments for this application. Null deregisters any existing arguments.