NowLayout

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.view.animation.AnimationUtils;
import android.widget.LinearLayout;

public class NowLayout extends LinearLayout {

    public NowLayout(Context context, AttributeSet attrs) {
        super(context, attrs);

    }

    public NowLayout(Context context) {
        super(context);
    }

    public void switchFrame(bool flyIn) {

        final int heightPx = getContext().getResources().getDisplayMetrics().heightPixels;

        boolean inversed = false;
        final int childCount = getChildCount();

        for (int i = 0; i < childCount; i++) {
            View child = getChildAt(i);

            int[] location = new int[2];

            child.getLocationOnScreen(location);

            if (location[1] > heightPx) {
                break;
            }

            if (flyIn) {
                if (!inversed) {
                    child.startAnimation(AnimationUtils.loadAnimation(getContext(),
                            R.anim.slide_up_left));
                } else {
                    child.startAnimation(AnimationUtils.loadAnimation(getContext(),
                            R.anim.slide_up_right));
                }
            } else {
                if (!inversed) {
                    child.startAnimation(AnimationUtils.loadAnimation(getContext(),
                            R.anim.slide_out_left));
                } else {
                    child.startAnimation(AnimationUtils.loadAnimation(getContext(),
                            R.anim.slide_out_right));
                }
            }

            inversed = !inversed;
        }
    }

}