HalfCircleListView.java

import android.widget.ListView;
import android.widget.AbsListView;
import android.content.Context;

public class HalfCircleListView extends ListView implements AbsListView.OnScrollListener {
    public HalfCircleListView(Context context) {
        super(context);
        setOnScrollListener(this);
    }


    @Override
    public void onScrollStateChanged(AbsListView absListView, int i) {
        //Ignored
    }

    @Override
    public void onScroll(AbsListView absListView, int i, int i2, int i3) {
        //Part of the magic happens here
        absListView.invalidateViews();
    }
}

MyActivity.java

import android.content.Context;
import android.app.Activity;
import android.os.Bundle;
import android.widget.ListView;
import java.util.ArrayList;
import java.util.List;

public class MyActivity extends Activity
{
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);

        ListView listView = new HalfCircleListView(this);
        List<String> listOfStrings = new ArrayList<String>();
        for(int i = 0; i < 50 ; i++){
            listOfStrings.add("Value " + i);
        }
        listView.setAdapter(new ScrollAdapter(listOfStrings));
        setContentView(listView);
    }
}

MyView.java

import android.widget.TextView;
import android.content.Context;
import android.graphics.Canvas;
import android.util.DisplayMetrics;
import android.content.res.Resources;

public class MyView extends TextView {

    private static final int MAX_INDENT = 300;
    private static final String TAG = MyView.class.getSimpleName();

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

    public void onDraw(Canvas canvas){
        canvas.save();
        float indent = getIndent(getY());
        //Part of the magic happens here too
        canvas.translate(indent, 0);
        super.onDraw(canvas);
        canvas.restore();
    }

    public float getIndent(float distance){
        float x_vertex = MAX_INDENT;
        DisplayMetrics displayMetrics = getContext().getResources().getDisplayMetrics();
        float y_vertex = displayMetrics.heightPixels / 2 / displayMetrics.density;
        double a = ( 0 - x_vertex ) / ( Math.pow(( 0 - y_vertex), 2) ) ;
        float indent = (float) (a * Math.pow((distance - y_vertex), 2) + x_vertex);
        return indent;
    }
}

ScrollAdapter.java

import java.util.List;
import android.widget.BaseAdapter;
import android.view.ViewGroup;
import android.view.View;
import android.util.Log;

public class ScrollAdapter extends BaseAdapter {

    private List<String> scrollViews;
    private static final String TAG = ScrollAdapter.class.getSimpleName();

    public ScrollAdapter(List<String> scrollViews){

        this.scrollViews = scrollViews;
    }
    @Override
    public int getCount() {
        return scrollViews.size();
    }

    @Override
    public String getItem(int i) {
        return scrollViews.get(i);
    }

    @Override
    public long getItemId(int i) {
        return i;
    }



    @Override
    public View getView(int i, View view, ViewGroup viewGroup) {
        if(view == null){
            view = new MyView(viewGroup.getContext());
        }
        MyView currentView = (MyView) view;
        String itemViewType = getItem(i);
        Log.d(TAG, itemViewType);
        ((MyView) view).setText(itemViewType);
        return currentView;
    }
}