use the context instead of activity at some context extensions

import com.simplemobiletools.flashlight.helpers.MyWidgetProvider

import com.simplemobiletools.flashlight.helpers.TOGGLE_WIDGET_UI

val Context.config: Config get() = Config.newInstance(this)

val Context.config: Config get() = Config.newInstance(applicationContext)

fun Context.updateWidgets(isEnabled: Boolean) {

    val widgetsCnt = AppWidgetManager.getInstance(this).getAppWidgetIds(ComponentName(this, MyWidgetProvider::class.java))

    val widgetsCnt = AppWidgetManager.getInstance(applicationContext).getAppWidgetIds(ComponentName(applicationContext, MyWidgetProvider::class.java))

    if (widgetsCnt.isNotEmpty()) {

        Intent(this, MyWidgetProvider::class.java).apply {

        Intent(applicationContext, MyWidgetProvider::class.java).apply {

            action = TOGGLE_WIDGET_UI

            putExtra(IS_ENABLED, isEnabled)

            sendBroadcast(this)