TOPIC:

public void OnAnnotClicked(PDFVPage vPage, final Page.Annotation annotation) {
	if (annotation.GetFieldType() == 2) {
		int     editType   = annotation.GetEditType();
        int     maxLen     = annotation.GetEditMaxlen();
        boolean singleLine = (editType != 3);

        Log.w("Siemens PDF", "Free text annotation has type " + editType + " and max len " + maxLen);

        final EditText    input  = new EditText(this);
        final AlertDialog dialog = new AlertDialog.Builder(this)
                .setTitle(annotation.GetFieldFullName())
                .setView(input)
                .setPositiveButton("Ok", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                        Editable value     = input.getText();
                        String   fieldName = annotation.GetFieldFullName();
                        String   newValue  = value.toString();

                        m_reader.PDFEndAnnot();
                        annotation.SetEditText(newValue);

                        if (m_doc.CanSave() == true) {
                            m_doc.Save();
                        }

                        m_reader.PDFRedrawPage(vPage);
                    }
                })
                .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                        // Do nothing.

                        m_reader.PDFEndAnnot();
                    }
                })
                .setOnCancelListener(new DialogInterface.OnCancelListener() {
                    @Override
                    public void onCancel(DialogInterface dialogInterface) {
                        m_reader.PDFEndAnnot();
                    }
                }).create();

        input.setText(annotation.GetEditText());
        input.setSelection(input.getText().length());
        input.setSingleLine(singleLine);

        if (maxLen > 0) {
            input.setFilters(new InputFilter[] {new InputFilter.LengthFilter(maxLen)});
        }

        input.setImeOptions(input.getImeOptions() | EditorInfo.IME_FLAG_NO_EXTRACT_UI);

        input.setOnEditorActionListener(new TextView.OnEditorActionListener() {
            @Override
            public boolean onEditorAction(TextView textView, int actionId, KeyEvent keyEvent) {
                if (actionId == EditorInfo.IME_ACTION_DONE) {
                    dialog.getButton(DialogInterface.BUTTON_POSITIVE).performClick();

                    return true; // consume.
                }

                return false; // pass on to other listeners.
            }
        });

        dialog.show();
	}
}

		// set text font for edit-box and combo-box editing.
		if (!setAnnotFont("DroidSansFallback") && face_name != null) {
			setAnnotFont(face_name);
		}

		// set text font for edit-box and combo-box editing.
		if (!setAnnotFont("Roboto-Regular") && face_name != null) {
			setAnnotFont(face_name);
		}