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FragmentScenario

class FragmentScenario<F : Fragment>
kotlin.Any
   ↳ androidx.fragment.app.testing.FragmentScenario

FragmentScenario provides API to start and drive a Fragment's lifecycle state for testing. It works with arbitrary fragments and works consistently across different versions of the Android framework.

FragmentScenario only supports androidx.fragment.app.Fragment. If you are using a deprecated fragment class such as android.support.v4.app.Fragment or android.app.Fragment, please update your code to androidx.fragment.app.Fragment.

If your testing Fragment has a dependency to specific theme such as Theme.AppCompat, use the theme ID parameter in launch method.

Summary

Nested classes
abstract

Public methods
Unit

FragmentAction interface should be implemented by any class whose instances are intended to be executed by the main thread.

FragmentScenario<F>

Moves Fragment state to a new state.

FragmentScenario<F>

Runs a given action on the current Activity's main thread.

FragmentScenario<F>

Recreates the host Activity.

Companion functions
FragmentScenario<F>
launch(fragmentClass: Class<F>, fragmentArgs: Bundle?, factory: FragmentFactory?)

Launches a Fragment with given arguments hosted by an empty FragmentActivity using the given FragmentFactory and waits for it to reach the resumed state.

FragmentScenario<F>
launch(fragmentClass: Class<F>, fragmentArgs: Bundle?, @StyleRes themeResId: Int, factory: FragmentFactory?)

Launches a Fragment with given arguments hosted by an empty FragmentActivity themed by themeResId, using the given FragmentFactory and waits for it to reach the resumed state.

FragmentScenario<F>
launch(fragmentClass: Class<F>, fragmentArgs: Bundle? = null, @StyleRes themeResId: Int = R.style.FragmentScenarioEmptyFragmentActivityTheme, initialState: Lifecycle.State = Lifecycle.State.RESUMED, factory: FragmentFactory? = null)

Launches a Fragment with given arguments hosted by an empty FragmentActivity themed by themeResId, using the given FragmentFactory and waits for it to reach initialState.

FragmentScenario<F>
launchInContainer(fragmentClass: Class<F>, fragmentArgs: Bundle?, factory: FragmentFactory?)

Launches a Fragment in the Activity's root view container android.R.id.content, with given arguments hosted by an empty FragmentActivity using the given FragmentFactory and waits for it to reach the resumed state.

FragmentScenario<F>
launchInContainer(fragmentClass: Class<F>, fragmentArgs: Bundle?, @StyleRes themeResId: Int, factory: FragmentFactory?)

Launches a Fragment in the Activity's root view container android.R.id.content, with given arguments hosted by an empty FragmentActivity themed by themeResId, using the given FragmentFactory and waits for it to reach the resumed state.

FragmentScenario<F>
launchInContainer(fragmentClass: Class<F>, fragmentArgs: Bundle? = null, @StyleRes</