FragmentUtils.kt

package com.mobymagic.shazamclone.utils

import android.support.v4.app.Fragment
import android.support.v4.app.FragmentManager

object FragmentUtils {

    fun addIfNotExist(fm: FragmentManager, containerRes: Int, fragment: Fragment, tag: String) {
        val existingFragmentWithTag = fm.findFragmentByTag(tag)

        if(existingFragmentWithTag == null) {
            fm.beginTransaction().add(containerRes, fragment, tag).commit()
        }
    }

}