系统剪贴板的标准式使用

val clipboard=requireActivity().getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
clipboard.text = obj.toString().trim({ it <= ' ' })
val clipData = ClipData.newPlainText(null, obj.toString())
clipboard.setPrimaryClip(clipData)

ClipboardManager manager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
        if (manager != null) {
            if (manager.hasPrimaryClip() && manager.getPrimaryClip().getItemCount() > 0) {
                CharSequence charSequence_addedText = manager.getPrimaryClip().getItemAt(0).getText();
                String addedTextString = String.valueOf(charSequence_addedText);
                try {
                    JSONObject obj = new JSONObject(addedTextString);
                    JSONArray scanner = obj.getJSONArray("scanner");
                    StringBuffer stringBuffer_scanner = new StringBuffer();
                    for (int i = 0; i < scanner.length(); i++) {
                        String s = (String) scanner.get(i);
                        stringBuffer_scanner.append(s);
                    }
                    tvFragXsScanner.setText(stringBuffer_scanner.toString());
                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }
        }

ClipboardManager manager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
        if (manager != null) {
            try {
                manager.setPrimaryClip(manager.getPrimaryClip());
                manager.setText(null);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }