title: cannot resolve symbol(context)
body: <p>As still very young in android. am getting this error on this line in my code: <code>new AlertDialog.Builder(context)</code>. The error I get is cannot resolve symbol(<code>context</code>).</p>
  
  <p>please kindly help,</p>
  
  <pre><code>   case R.id.chk_clas1:
              //do stuff
              if (chk_clas1.isChecked()) {
                  if(c1.equals("0")){
                  adddate(txt_clas1);}
                  clas="1";
                  fdate=txt_clas1.getText().toString();
  
                  new AlertDialog.Builder(context)
                    .setTitle("Delete entry")
                    .setMessage("Are you sure you want to delete this entry?")
                  .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
                  public void onClick(DialogInterface dialog, int which) {
                                  // continue with delete
                              }
                          })
                          .setNegativeButton(android.R.string.no, new DialogInterface.OnClickListener() {
                              public void onClick(DialogInterface dialog, int which) {
                                  // do nothing
                              }
                          })
                          .setIcon(android.R.drawable.ic_dialog_alert)
                          .show();
  
              } else {
                  txt_clas1.setText("");
  
              }
  </code></pre>