Launch external App
Open Google Play Store if the external app is not installed on your device otherwise open the app
private fun launchApp(appPackageName: String) {
if (appInstalledOrNot(appPackageName)) {
val intent: Intent = context?.packageManager?.
getLaunchIntentForPackage(appPackageName)!!
startActivity(intent)
} else {
try {
startActivity(
Intent(
Intent.ACTION_VIEW,
Uri.parse("market://details?id=$appPackageName")
)
)
} catch (exception: ActivityNotFoundException) {
startActivity(
Intent(
Intent.ACTION_VIEW,
Uri.parse("https://play.google.com/store/apps/details?id=$appPackageName")
)
)
}
}
}
