ViewのonStart/onPause ref: http://qiita.com/wasnot/items/06375957a325ba3bc2fa

MyView.java

@Override
protected void onVisibilityChanged(@NonNull View changedView, int visibility) {
    super.onVisibilityChanged(changedView, visibility);
    switch (visibility){
        case VISIBLE://onResume called
        case INVISIBLE:// onPause() called
    }
}

@Override
public void onWindowFocusChanged(boolean hasWindowFocus) {
    super.onWindowFocusChanged(hasWindowFocus);
    if (hasWindowFocus) //onresume() called
    else // onPause() called
}