Implementing App Shortcuts - Updating your shortcuts

ShortcutHelper.kt

/**
 * Sets the new Shortcut List by providing the three most visited
 * constellations
 * */
@TargetApi(N_MR1)
fun updateShortcuts(shortcutManager: ShortcutManager) {
  shortcutManager.dynamicShortcuts =
      Constellation
          .values()
          .sortedWith(compareBy { -getConstellationVisitedCount(it) })
          .map {
            ShortcutInfo.Builder(APP_CONTEXT, it.name)
                .setShortLabel(it.shortName)
                .setLongLabel(it.longName)
                .setIcon(Icon.createWithResource(APP_CONTEXT, R.drawable.shortcut_icon))
                .setIntents(
                    arrayOf(
                        // This intent is used for the back-stack
                        MainActivity.getIntent(APP_CONTEXT),
                        // This intent is what gets initially launched
                        ConstellationDetailActivity.getIntent(APP_CONTEXT, it)
                    )
                )
                .build()
          }.subList(0, 3)
}