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Convenience FragmentManager extension functions.
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| import androidx.fragment.app.DialogFragment | |
| import androidx.fragment.app.Fragment | |
| import androidx.fragment.app.FragmentFactory | |
| import androidx.fragment.app.FragmentManager | |
| /** | |
| * Create a new instance of a [Fragment] with the given class name. This uses | |
| * [FragmentFactory.loadFragmentClass] and the empty constructor of the resulting | |
| * [Class] by default. | |
| * | |
| * This is a convenience for explicitly creating the fragment with [FragmentFactory], | |
| * passing the classLoader and className, and casting to the right fragment type. | |
| */ | |
| inline fun <reified T : Fragment> FragmentManager.instantiate( | |
| block: (fragment: T) -> Unit = {}, | |
| ): T { | |
| val classLoader = requireNotNull(T::class.java.classLoader) | |
| return (fragmentFactory.instantiate(classLoader, T::class.java.name) as T).apply(block) | |
| } | |
| /** | |
| * Display the dialog, adding the fragment to the [FragmentManager]. | |
| * | |
| * This is a convenience for explicitly creating the fragment and transaction, | |
| * adding the fragment to it with the given tag, and committing it | |
| * | |
| * This does **not** add the transaction to the fragment back stack. When the | |
| * fragment is dismissed, a new transaction will be executed to remove it from | |
| * the activity. | |
| */ | |
| inline fun <reified T : DialogFragment> FragmentManager.showDialog( | |
| tag: String? = null, | |
| block: (dialog: T) -> Unit = {}, | |
| ) { | |
| instantiate<T>().apply(block).show(this, tag) | |
| } |
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