Comment Recuperer l'url d;une image ki est dans une imageview

Bonjour, etant novice dans le developpement android, j'ai suivi un tuto a la lettre pour prendre des photos . le probleme, c'est ke j'arrive pas 0 recuperer l'url des photos
Dans mon on create

Code:

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btndensite.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                launchCamera();
            }
        });
        btnmaturite.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                launchCamera2();
            }
        });
        btnhomegene.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                launchCamera3();
            }
        });
        btnfruitfleur.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                launchCamera4();
            }
        });

et puis apres

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  public void launchCamera(){
        Intent i = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        startActivityForResult(i,REQUEST_CAPTURE);
    }
    public void launchCamera2(){
        Intent i = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        startActivityForResult(i,REQUEST_CAPTURE2);
    }
    public void launchCamera3(){
        Intent i = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        startActivityForResult(i,REQUEST_CAPTURE3);
    }
    public void launchCamera4(){
        Intent i = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        startActivityForResult(i,REQUEST_CAPTURE4);
    }
 
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == REQUEST_CAPTURE && resultCode == RESULT_OK){
            Bundle extras = data.getExtras();
 
 
            Bitmap photo = (Bitmap) extras.get("data");
 
            if (densite1.getDrawable()==null){
                densite1.setImageBitmap(photo);
 
             //  Toast.makeText(this,extras.get("URI").toString(),Toast.LENGTH_LONG);
            }else if (densite2.getDrawable()==null){
                densite2.setImageBitmap(photo);
            }else {
                densite3.setImageBitmap(photo);
                btndensite.setEnabled(false);
            }
 
        }else if (requestCode == REQUEST_CAPTURE2 && resultCode == RESULT_OK){
            Bundle extras = data.getExtras();
            // String Path=mImageCaptureUri.getPath();
            Bitmap photo = (Bitmap) extras.get("data");
            if (maturite1.getDrawable()==null){
                maturite1.setImageBitmap(photo);
 
                // Toast.makeText(this,Path.toString(),Toast.LENGTH_LONG);
            }else if (maturite2.getDrawable()==null){
                maturite2.setImageBitmap(photo);
            }else {
                maturite3.setImageBitmap(photo);
                btnmaturite.setEnabled(false);
            }
 
        }else if (requestCode == REQUEST_CAPTURE3 && resultCode == RESULT_OK){
            Bundle extras = data.getExtras();
            // String Path=mImageCaptureUri.getPath();
            Bitmap photo = (Bitmap) extras.get("data");
            if (homogene1.getDrawable()==null){
                homogene1.setImageBitmap(photo);
 
                // Toast.makeText(this,Path.toString(),Toast.LENGTH_LONG);
            }else if (homogene2.getDrawable()==null){
                homogene2.setImageBitmap(photo);
            }else {
                homogene3.setImageBitmap(photo);
                btnhomegene.setEnabled(false);
            }
 
        }else if (requestCode == REQUEST_CAPTURE4 && resultCode == RESULT_OK){
            Bundle extras = data.getExtras();
            // String Path=mImageCaptureUri.getPath();
            Bitmap photo = (Bitmap) extras.get("data");
            if (fruitfleur1.getDrawable()==null){
                fruitfleur1.setImageBitmap(photo);
 
                // Toast.(this,Path.toString(),Toast.LENGTH_LONG);
            }else if (fruitfleur2.getDrawable()==null){
                fruitfleur2.setImageBitmap(photo);
            }else {
                fruitfleur3.setImageBitmap(photo);
                btnfruitfleur.setEnabled(false);
            }
 
        }
    }

Coordialement