خطا در نوشتن متد onTouchEvent

سلام خدمت دوستان بزرگوارم، عزیزان لطف کنید بفرماید دلیل خطاهای خطوط 38و40 چیه؟  روی   onTouchEvent  ارور  Remove invalid modifiers میاد.

 package sh.app.PdfTest2;

import android.app.Activity;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.TranslateAnimation;
import android.widget.Button;


public class PdfTest2Activity extends Activity {

    private int laywidth;
    private int layhigth;


    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        //****************************************************************************************      
        View layZir = (View) findViewById(R.id.layZir);
        View lay = (View) findViewById(R.id.lay);
        View layRo = (View) findViewById(R.id.layRo);
        Button btnZir = (Button) findViewById(R.id.btnZir);
        Button btnRo = (Button) findViewById(R.id.btnRo);




//********************************************************************************************       

 38     @Override

  40     public boolean onTouchEvent(MotionEvent event) {
            laywidth = lay.getWidth();
            layhigth = lay.getHeight();
            float oldX;
            boolean menuvis;
            /////////////////////////////////////////////////////////////////////////
            boolean menumov;
            boolean inZone;
            float distX;
            switch (event.getAction()) {
                case MotionEvent.ACTION_DOWN:

                    oldX = event.getRawX();
                    if (menuvis) {
                        AnimationSet set = new AnimationSet(false);
                        TranslateAnimation trMain = new TranslateAnimation((int) (laywidth * 0.7), 0, 0, 0);
                        trMain.setDuration(400);
                        //trMain.setRepeatMode(Animation.REVERSE);
                        //trMain.setRepeatCount(Animation.INFINITE);
                        //trMain.setFillAfter(true);
                        // trMain.setFillBefore(false);
                        set.addAnimation(trMain);
                        layZir.startAnimation(set);

                        AnimationSet set1 = new AnimationSet(false);
                        //ScaleAnimation men = new ScaleAnimation(fromX, toX, fromY, toY)
                        TranslateAnimation trMenu = new TranslateAnimation(0, -(int) (laywidth * 0.7), 0, 0);
                        trMenu.setDuration(400);
                        set1.addAnimation(trMenu);
                        layRo.startAnimation(set1);

                        layZir.layout(0, 0, laywidth, layhigth);
                        // layMenu.layout(0, 0, 0, layhigth);
                        layZir.setPadding(0, 0, 0, 0);
                        layRo.setPadding(0, 0, 0, 0);
                        // lay.setWeightSum((float) 0.0);

                        menuvis = false;
                        return;
                    }
                    break;
                case MotionEvent.ACTION_MOVE:
                    menumov = true;
                    if (menuvis) {

                    } else {
                        if (oldX < laywidth * 0.2) {
                            inZone = true;
                            float newX = event.getRawX();

                            distX = newX - oldX;

                            if (distX > laywidth * 0.35) {
                                // lay.setWeightSum((float) 0.7);
                                layZir.layout((int) (laywidth * 0.7), 0, (int) (laywidth * 0.7) + laywidth, layhigth);
                                layRo.layout( -(int) (laywidth * 0.15), 0, (int) (laywidth * 0.85), layhigth);
                                //menuObj.layout(0, 0, (int) (laywidth * 0.7), layhigth);
                                //layMain.setPadding(0, 0, -(int) (laywidth * 0.7), 0);
                                //layMenu.setPadding(0, 0, -(int) (laywidth * 0.3), 0);
                                //layMenu.setWeightSum((float) 0.5);
                                // menuObj.setVisibility(View.VISIBLE);
                                menuvis = true;
                                inZone = false;

                                return;
                            } else {
                                //  lay.setWeightSum((float) 0.7);
                                layZir.layout((int) (distX), 0, laywidth + (int) distX, layhigth);
                                layRo.layout((int) -((layhigth / 2) - distX), 0, (int) distX, layhigth);
                            }
                        } else {
                            inZone = false;
                        }

                    }
                    break;
                case MotionEvent.ACTION_UP:
                    if (menumov) {
                        if (inZone) {
                            if ( !menuvis) {
                                AnimationSet set = new AnimationSet(false);
                                TranslateAnimation trMain = new TranslateAnimation(distX, 0, 0, 0);
                                trMain.setDuration(300);
                                trMain.setRepeatMode(Animation.REVERSE);
                                //trMain.setRepeatCount(Animation.INFINITE);
                                trMain.setFillAfter(true);
                                trMain.setFillBefore(false);
                                set.addAnimation(trMain);
                                layZir.startAnimation(set);

                                AnimationSet set1 = new AnimationSet(false);
                                //ScaleAnimation men = new ScaleAnimation(fromX, toX, fromY, toY)
                                TranslateAnimation trMenu = new TranslateAnimation(0, -distX, 0, 0);
                                trMenu.setDuration(400);
                                set1.addAnimation(trMenu);
                                layRo.startAnimation(set1);

                                AnimationSet setm = new AnimationSet(false);
                                TranslateAnimation trMenu1 = new TranslateAnimation(0, 150, 0, 0);
                                trMenu1.setDuration(2000);
                                trMenu1.setRepeatMode(Animation.REVERSE);
                                trMenu1.setRepeatCount(Animation.INFINITE);
                                trMenu1.setFillAfter(true);
                                trMenu1.setFillBefore(false);
                                setm.addAnimation(trMenu1);
                                layRo.startAnimation(set);

                                layZir.layout(0, 0, laywidth, layhigth);
                                layRo.layout(0, 0, 0, layhigth);
                                layRo.setVisibility(View.GONE);
}
}
 }
menumov = false;

break;

 }
/*///////////////////y        //////////////////////////////////////////////////////////////////*/

 return;
 }



 }
}