Method to check whether Android package is installed and enabled

isPackageEnabled.java

private boolean isPackageEnabled(String packageName, Context context) {
    PackageManager pm = context.getPackageManager();
    try {
        ApplicationInfo ai = pm.getApplicationInfo(packageName, PackageManager.GET_ACTIVITIES);
        return ai.enabled;
    } catch (PackageManager.NameNotFoundException e) {
        return false;
    }
}