안드로이드 sdcard 파일 읽고 쓰기
SDCard.java package exam.SDCard; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import android.app.Activity; import android.os.Bundle; import android.os.Environment; import android.view.View; import android.widget.Button; import android.widget.EditText; public class SDCard extends Activity { /** Called when the activity is first created. */ EditText mEdit; String mSdPath; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mEdit = (EditText)findViewById(R.id.edittext); findViewById(R.id.test).setOnClickListener(mClickListener); findViewById(R.id.save).setOnClickListener(mClickListener); findViewById(R.id.load).setOnClickListener(mClickListener); String ext = Environment.getExternalStorageState(); if(ext.equals(Environment.MEDIA_MOUNTED)) { mSdPath = Environment.getExternalStorageDirectory().getAbsolutePath();…