Share Data on Whatsapp From Android using Intent

btnShareData.setOnClickListener(new View.OnClickListener() {
    @Override    public void onClick(View view) {
        boolean isWhatsappInstalled = whatsappInstalledOrNot("com.whatsapp");
        if (isWhatsappInstalled) {
            Uri uri = Uri.parse("smsto:" + "9898654773");
            Intent sendIntent = new Intent(Intent.ACTION_SENDTO, uri);
            sendIntent.putExtra(Intent.EXTRA_TEXT, "Hai Whatsapp Code Checking");
            sendIntent.setType("text/plain");
            sendIntent.setPackage("com.whatsapp");
            startActivity(sendIntent);
        } else {
            Toast.makeText(this, "WhatsApp not Installed", Toast.LENGTH_SHORT).show();
            Uri uri = Uri.parse("market://details?id=com.whatsapp");
            Intent goToMarket = new Intent(Intent.ACTION_VIEW, uri);
            startActivity(goToMarket);

        }
    }
});

private boolean whatsappInstalledOrNot(String uri) {
    PackageManager pm = getPackageManager();
    boolean app_installed = false;
    try {
        pm.getPackageInfo(uri, PackageManager.GET_ACTIVITIES);
        app_installed = true;
    } catch (PackageManager.NameNotFoundException e) {
        app_installed = false;
    }
    return app_installed;
}