Build Simple Android App Code Chanllenge

I have got compilation error when I check the work so I do not know what I have to do to fix it I need help please.

Question -------

Inside the if statement, add a line to stop the animation if it is running, using the 'stop()' method of the jumpAnimation variable. Then add a line below the check to start the animation using the 'start()' method of the jumpAnimation variable.

Question -------

code ------

package com.example;

import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.ImageView; import android.graphics.drawable.AnimationDrawable;

public class MainActivity extends Activity {

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
}

public void animateFrog(){ ImageView frogImage = (ImageView) findViewById(R.id.frog); AnimationDrawable jumpAnimation = (AnimationDrawable) frogImage.getDrawable();

if (jumpAnimation.isRunning ()){
 jumpAnimation.stop(); 
  animation.start(); 


}

} } code-----