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HiltExt.kt
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HiltExt.kt
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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.architecture.blueprints.todoapp
import android.content.ComponentName
import android.content.Intent
import android.os.Bundle
import androidx.annotation.StyleRes
import androidx.core.util.Preconditions
import androidx.fragment.app.Fragment
import androidx.test.core.app.ActivityScenario
import androidx.test.core.app.ApplicationProvider
/**
* launchFragmentInContainer from the androidx.fragment:fragment-testing library
* is NOT possible to use right now as it uses a hardcoded Activity under the hood
* (i.e. [EmptyFragmentActivity]) which is not annotated with @AndroidEntryPoint.
*
* As a workaround, use this function that is equivalent. It requires you to add
* [HiltTestActivity] in the debug folder and include it in the debug AndroidManifest.xml file
* as can be found in this project.
*/
inline fun <reified T : Fragment> launchFragmentInHiltContainer(
fragmentArgs: Bundle? = null,
@StyleRes themeResId: Int = R.style.FragmentScenarioEmptyFragmentActivityTheme,
crossinline action: Fragment.() -> Unit = {}
) {
val startActivityIntent = Intent.makeMainActivity(
ComponentName(
ApplicationProvider.getApplicationContext(),
HiltTestActivity::class.java
)
).putExtra(
"androidx.fragment.app.testing.FragmentScenario.EmptyFragmentActivity.THEME_EXTRAS_BUNDLE_KEY",
themeResId
)
ActivityScenario.launch<HiltTestActivity>(startActivityIntent).onActivity { activity ->
val fragment: Fragment = activity.supportFragmentManager.fragmentFactory.instantiate(
Preconditions.checkNotNull(T::class.java.classLoader),
T::class.java.name
)
fragment.arguments = fragmentArgs
activity.supportFragmentManager
.beginTransaction()
.add(android.R.id.content, fragment, "")
.commitNow()
fragment.action()
}
}