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分享package com.example.duxie;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.CheckBox;
import android.widget.EditText;
public class MainActivity extends ActionBarActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
private void readAcccount()
{
File file=new File("data/data/com.example.duxie/info.txt");
try {
FileOutputStream fos=new FileOutputStream(file);
BufferedReader br = new BufferedReader(new InputStreamReader(fos));//这句出错 The constructor InputStreamReader(FileOutputStream) is undefined
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}