Android Javaツール類まとめ
https://blog.csdn.net/xsm666/article/details/80823643
2.ネットワーク状態のリスニング
https://www.jianshu.com/p/6fa0f1f1ce48
Properties properties = new Properties();
try {
InputStream in=context.getAssets().open("test.properties");
properties.load(in);
in.close();
}catch (IOException e){
// ...
return;
}
String host = properties.getProperty("HOST");
2.EXcelの生成
まずjxlライブラリを参照します.https://mvnrepository.com/artifact/net.sourceforge.jexcelapi/jxl/2.6.12
https://blog.csdn.net/kangweijian/article/details/86694670