java putExtra String Intent Android

Question

public boolean onContextItemSelected(MenuItem item) {
    AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
    m = lv.getAdapter().getItem(info.position).toString();

    Toast.makeText(getBaseContext(), "You clicked !"+m, Toast.LENGTH_SHORT).show();


    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setMessage("Are you sure you want to delete this Fixture?");
    builder.setCancelable(false);

    builder.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int id) {
            //listAdapter.remove(m);

            Intent i  = new Intent(Afc.this.getApplicationContext(), WebViewExample.class);
            i.putExtra("Key", m); 
            startActivity(i);   
        }

//新建类活动WebView/////////////

Bundle extras = getIntent().getExtras(); 
      String addOn = extras.getStringExtra("key",m);
      Toast.makeText(getBaseContext(), "You clicked !"+addOn, Toast.LENGTH_SHORT).show();

您好，我正在传递一个带有意图的字符串，它在getStringExtra（“key”，m）；”内的变量m上的新活动中给我一个错误；。有人能帮忙吗

我这样做对吗

Answer 1

是的，还有getStringExtra（“键”，m）；？？？是否错误使用getStringExtra（“密钥”）