RK ONLY IN ANDROID!</strong></p>
<p>Support Sunmi and Null Safety.
I build this flutter plugin based on this:
<a href="https://file.cdn.sunmi.com/SUNMIDOCS/%E5%95%86%E7%B1%B3%E5%86%85%E7%BD%AE%E6%89%93%E5%8D%B0%E6%9C%BA%E5%BC%80%E5%8F%91%E8%80%85%E6%96%87%E6%A1%A3EN-0224.pdf">Official Sunmi Inner Printer Doc</a>. But not all method from doc was included in this package, beacuse i don't have equipment. If you have and can help me, just contact me on github!</p>
<h2 id="installation">Installation</h2>
<pre cl