In this video i will show how to open playstore app using android studio. create button in android xml and past this code
try {
startActivity(new Intent(Intent.ACTION_VIEW,
Uri.parse("market://details?id=" + "com.tocaboca.tocalifeworld")));
} catch (ActivityNotFoundException e) {
startActivity(new Intent(Intent.ACTION_VIEW,
Uri.parse("https://play.google.com/store/apps/de..." + getPackageName())));
}