Kotlin extension functions to start a generic Activity

KIntent.kt

package com.pascalwelsch.extensions

import android.app.Activity
import android.content.Context
import android.content.Intent
import android.os.Build
import android.os.Bundle

/**
 * Edited by Deneb Asecas
 * Extensions for simpler launching of Activities
 * Original source: Source: https://gist.github.com/wajahatkarim3/d3a728dbb20002dc54ac44bad40e4077
 */

inline fun <reified T : Any> Activity.launchActivity(
    requestCode: Int = -1,
    options: Bundle? = null,
    @AnimRes enterAnimRes: Int? = null,
    @AnimRes exitAnimRes: Int? = null,
    noinline init: Intent.() -> Unit = {}
) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN)
        startActivityForResult(newIntent<T>(this, init), requestCode, options)
    else
        startActivityForResult(newIntent<T>(this, init), requestCode)

    if (enterAnimRes != null && exitAnimRes != null) {
        overridePendingTransition(enterAnimRes, exitAnimRes)
    }
}

inline fun <reified T : Any> Context.launchActivity(
    options: Bundle? = null,
    noinline init: Intent.() -> Unit = {}
) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN)
        startActivity(newIntent<T>(this, init), options)
    else
        startActivity(newIntent<T>(this, init))
}

inline fun <reified T : Any> Fragment.launchActivity(
    requestCode: Int = -1,
    options: Bundle? = null,
    @AnimRes enterAnimRes: Int? = null,
    @AnimRes exitAnimRes: Int? = null,
    noinline init: Intent.() -> Unit = {}
) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN)
        startActivityForResult(newIntent<T>(requireContext(), init), requestCode, options)
    else
        startActivityForResult(newIntent<T>(requireContext(), init), requestCode)

    if (enterAnimRes != null && exitAnimRes != null) {
        activity?.overridePendingTransition(enterAnimRes, exitAnimRes)
    }
}

inline fun <reified T : Any> newIntent(
    context: Context,
    noinline init: Intent.() -> Unit = {}
): Intent {
    val intent = Intent(context, T::class.java)
    intent.init()
    return intent
}