KotlinUtils.kt

object Utils {
  
  fun loadJSONFromAsset(filePath: String): String? {
        var json: String? = null
        try {
            val `is` = Objects.requireNonNull<MyApp>(MyApp.instance).assets.open(filePath)
            val size = `is`.available()
            val buffer = ByteArray(size)
            `is`.read(buffer)
            `is`.close()
            json = String(buffer, charset("UTF-8"))
        } catch (ex: IOException) {
            ex.printStackTrace()
            return null
        }

        return json
    }
  
  fun isMyServiceRunning(serviceClass: Class<*>): Boolean {
        val manager = MyApp.instance?.getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager?
        for (service in manager!!.getRunningServices(Integer.MAX_VALUE)) {
            if (serviceClass.name == service.service.className) {
                return true
            }
        }
        return false
    }
  
  fun getCommaSepratedId(names: List<String>): String {
        if(names.isNullOrEmpty()) {
            return ""
        }
        var namesStr = StringBuilder()
        for (name in names) {
            namesStr =
                if (namesStr.isNotEmpty()) namesStr.append(",").append(name) else namesStr.append(name)
        }
        return namesStr.toString()
    }
}