问如何将二维码的结果放到对话框中，然后再打开另一个活动？

EN

@Override
        protected void onActivityResult(int requestCode, int resultCode, Intent data) {
            //We will get scan results here
            IntentResult result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
            //check for null
            if (result != null) {
                if (result.getContents() == null) {

                    // Toast.makeText(this, "Scan Cancelled", Toast.LENGTH_LONG).show();
                } else {
                    //show dialogue with result
                    showResultDialogue(result.getContents());
                }
            } else {
                // This is important, otherwise the result will not be passed to the fragment
                super.onActivityResult(requestCode, resultCode, data);
            }
        }

        //method to construct dialogue with scan results
        public void showResultDialogue(final String result) {
            AlertDialog.Builder builder;
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                builder = new AlertDialog.Builder(this, android.R.style.Theme_Material_Dialog_Alert);
            } else {
                builder = new AlertDialog.Builder(this);
            }
            builder.setTitle("Scan Result")
                    .setMessage(result)
                    .setPositiveButton("View your Location", new DialogInterface.OnClickListener() {

                        public void onClick(DialogInterface dialog, int which) {
                            // continue with delete
                            ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
                            ClipData clip = ClipData.newPlainText("Scan Result", result);
                            clipboard.setPrimaryClip(clip);


                            Intent nxt = new Intent(MainActivity.this, Acad1.class);
                            startActivity(nxt);


                        }
                    })
                    .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int which) {
                            // do nothing
                            dialog.dismiss();
                        }
                    })
                    .show();
    }