کار با Edit Text

  EditText edtInput, edtSameInput, edtResult;
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        edtInput = (EditText) findViewById(R.id.edtInput);
        edtSameInput = (EditText) findViewById(R.id.edtSameInput);
        edtResult = (EditText) findViewById(R.id.edtResult);
        
        edtInput.addTextChangedListener(new TextWatcher() {

            @Override
            public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {

            }


            @Override
            public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {

            }


            @Override
            public void afterTextChanged(Editable arg0) {

                if (edtInput.getText().toString().length() > 0) {
                    int Result = 2 * (Integer.parseInt(edtInput.getText().toString()));
                    edtResult.setText("" + Result);
                }
            }
        });

ممنون از کدی که دادین ولی کار نمیکنه

میشه بگید مشکل کد من از کجاست دیگه دارم دیوونه میشم 

package com.mrsesghi.cbdreporter;

import android.content.Intent;
import android.app.Activity;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.Menu;
import android.view.MenuItem;

import android.widget.EditText;


public class Page2Activity extends Activity {

    EditText editText, editText2, editText6;
    int Result6;

@Override
protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

setContentView(R.layout.activity_page2);

editText = (EditText) findViewById(R.id.editText);
editText2 = (EditText) findViewById(R.id.editText2);
editText6 = (EditText) findViewById(R.id.editText6);


editText.addTextChangedListener(new TextWatcher() {

            @Override
public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {

            }


            @Override
public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {

            }


            @Override
public void afterTextChanged(Editable arg0) {

                if (editText.getText().toString().length() > 0) {
                    int Result =(Integer.parseInt(editText.getText().toString()));
Result6=Result6+Result;
editText6.setText(""+ Result6);
}

            }
        });


editText2.addTextChangedListener(new TextWatcher() {
            @Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
public void onTextChanged(CharSequence s, int start, int before, int count) {

            }

            @Override
public void afterTextChanged(Editable s) {

                if (editText2.getText().toString().length() > 0) {
                    int Result1 =(Integer.parseInt(editText2.getText().toString()));
Result6=Result6+Result1;
editText6.setText(""+Result6);
}

            }
        });

}

    @Override
public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_page2, menu);


MenuItem Item = menu.add(Menu.NONE, Menu.NONE, 102, "About");
Item.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
            @Override
public boolean onMenuItemClick(MenuItem item) {


                startActivity(new Intent(Page2Activity.this, AboutActivity.class));

                return false;
}
        });


        return true;
}


    @Override
public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();

//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
            return true;
}

        return super.onOptionsItemSelected(item);
}


}