String str = et_url.getText().toString(); ClipboardManager clip = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE); clip.setPrimaryClip(ClipData.newPlainText("url", str)); Toast.makeText(this, "链接已复制到剪贴板", Toast.LENGTH_SHORT).show();
原文：http://www.cnblogs.com/fengzai/p/5136672.html