{% setvar book_path %}/reference/androidx/_book.yaml{% endsetvar %} {% include "_shared/_reference-head-tags.html" %}

RootMatchers

public final class RootMatchers

A collection of matchers for Root objects.

Summary

Constants
`static final Matcher<Root>`	`DEFAULT` Espresso's default `Root` matcher.

Public constructors
`RootMatchers()`

Public methods
`static Matcher<Root>`	`hasWindowLayoutParams()`
`static Matcher<Root>`	`isDialog()` Matches `Root`s that are dialogs (i.e. is not a window of the currently resumed activity).
`static Matcher<Root>`	`isFocusable()` Matches `Root`s that can take window focus.
`static Matcher<Root>`	`isPlatformPopup()` Matches `Root`s that are popups - like autocomplete suggestions or the actionbar spinner.
`static Matcher<Root>`	`isSystemAlertWindow()` Matches `Root`s that are system alert windows i.e. shown on top of all other applications and is not a window of the currently resumed activity
`static Matcher<Root>`	`isTouchable()` Matches `Root`s that can receive touch events.
`static Matcher<Root>`	`withDecorView(Matcher<View> decorViewMatcher)` Matches `Root`s with decor views that match the given view matcher.

public static final Matcher<Root> DEFAULT

Espresso's default Root matcher.

public final RootMatchers()

public static Matcher<Root> hasWindowLayoutParams()

public static Matcher<Root> isDialog()

Matches Roots that are dialogs (i.e. is not a window of the currently resumed activity).

public static Matcher<Root> isFocusable()

Matches Roots that can take window focus.

public static Matcher<Root> isPlatformPopup()

Matches Roots that are popups - like autocomplete suggestions or the actionbar spinner.

public static Matcher<Root> isSystemAlertWindow()

Matches Roots that are system alert windows i.e. shown on top of all other applications and is not a window of the currently resumed activity

Apps using this type of windows require the following permission: android.permission.SYSTEM_ALERT_WINDOW

public static Matcher<Root> isTouchable()

Matches Roots that can receive touch events.

public static Matcher<Root> withDecorView(Matcher<View> decorViewMatcher)

Matches Roots with decor views that match the given view matcher.