MainActivity.kt

import android.os.Bundle
import android.util.Log
import android.view.View
import kotlinx.android.synthetic.main.activity_main.mShimmerViewContainer

class MainActivity : AppCompatActivity() {

  override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_main)
  }

  public override fun onResume() {
    super.onResume()
    mShimmerViewContainer!!.startShimmerAnimation()
  }

  public override fun onPause() {
    mShimmerViewContainer!!.stopShimmerAnimation()
    super.onPause()
  }
}