摘要：
给出关键代码 public void save(View v) throws IOException { //1. 判断sd卡状态, 如果是挂载的状态才继续, 否则提示 if(Environment.getExternalStorageState().equals(Environment.MEDIA 阅读全文
摘要：
给出关键代码 public void save(View view) throws IOException { AssetManager manager = getAssets(); InputStream is = manager.open("logo.png"); FileOutputStrea 阅读全文