SPRING :: NOTE

MainActivity.java package com.example.sockest; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.net.Socket; import android.app.Activity; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.EditText; import android.widget.Toast; p..

파일명 변경 시, File beforeFileName; File afterFileName; beforeFileName = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + "folder name", "target file name"); afterFileName = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + "folder name", "modifi file name"); if (beforeFileName.renameTo(afterFileName)) Toast.makeText(getApplicationContext(), "success!", Toas..