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PressBackAction

public final class PressBackAction
extends Object implements ViewAction

java.lang.Object
   ↳ androidx.test.espresso.action.PressBackAction


Performs an Android press back action

Summary

Constants

int BACK_ACTIVITY_TRANSITION_MILLIS_DELAY

int CLEAR_TRANSITIONING_ACTIVITIES_ATTEMPTS

int CLEAR_TRANSITIONING_ACTIVITIES_MILLIS_DELAY

Public constructors

PressBackAction(boolean conditional)

Performs a press back action

PressBackAction(boolean conditional, EspressoKey espressoKey)

Public methods

Matcher<View> getConstraints()

A mechanism for ViewActions to specify what type of views they can operate on.

String getDescription()

Returns a description of the view action.

void perform(UiController uiController, View view)

Performs this action on the given view.

Inherited methods

From class java.lang.Object
From interface androidx.test.espresso.ViewAction

Constants

BACK_ACTIVITY_TRANSITION_MILLIS_DELAY

int BACK_ACTIVITY_TRANSITION_MILLIS_DELAY

Constant Value: 150 (0x00000096)

CLEAR_TRANSITIONING_ACTIVITIES_ATTEMPTS

int CLEAR_TRANSITIONING_ACTIVITIES_ATTEMPTS

Constant Value: 4 (0x00000004)

CLEAR_TRANSITIONING_ACTIVITIES_MILLIS_DELAY

int CLEAR_TRANSITIONING_ACTIVITIES_MILLIS_DELAY

Constant Value: 150 (0x00000096)

Public constructors

PressBackAction

PressBackAction (boolean conditional)

Performs a press back action

Parameters
conditional boolean: Indicated whether or not to throw an exception when Espresso navigates outside the application or process under test. true will throw.

PressBackAction

PressBackAction (boolean conditional, 
                EspressoKey espressoKey)

Parameters
conditional boolean

espressoKey EspressoKey

Public methods

getConstraints

Matcher<View> getConstraints ()

A mechanism for ViewActions to specify what type of views they can operate on.

A ViewAction can demand that the view passed to perform meets certain constraints. For example it may want to ensure the view is already in the viewable physical screen of the device or is of a certain type.

Returns
Matcher<View> a Matcher that will be tested prior to calling perform.

getDescription

String getDescription ()

Returns a description of the view action. The description should not be overly long and should fit nicely in a sentence like: "performing %description% action on view with id ..."

Returns
String

perform

void perform (UiController uiController, 
                View view)

Performs this action on the given view.

Parameters
uiController UiController: the controller to use to interact with the UI.

view View: the view to act upon. never null.