如何获取assets下和raw下的文件转成string字符串

把eclipse中assets或raw资源下的.txt文件转成字符串

package com.bwei.edu.annotion;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import com.lidroid.xutils.ViewUtils;
import com.lidroid.xutils.view.annotation.ViewInject;
import com.lidroid.xutils.view.annotation.event.OnClick;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity {

@ViewInject(R.id.button1)
private Button button1;

@ViewInject(R.id.button2)
private Button button2;

String Result;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ViewUtils.inject(this);

}

@OnClick(R.id.button1)
public void onlan(View view) throws IOException{
String str= getFromAssets("ke.txt");

Log.e("tag", str);
Toast.makeText(this, str, 0).show();
}

@OnClick(R.id.button2)
public void twlan(View view) throws IOException{
String sr=getFromRaw();

Log.e("tag", sr);
Toast.makeText(this, sr, 0).show();
}

public String getFromAssets(String fileName) throws IOException{
InputStreamReader inputReader = new InputStreamReader( getResources().getAssets().open(fileName),"GB2312");

BufferedReader bufReader = new BufferedReader(inputReader);
String line="";
String Result="";
while((line = bufReader.readLine()) != null)
Result += line;
return Result;
}

public String getFromRaw() throws IOException{

InputStreamReader inputReader = new InputStreamReader( getResources().openRawResource(R.raw.ke),"GB2312");
BufferedReader bufReader = new BufferedReader(inputReader);
String line="";
String Result="";
while((line = bufReader.readLine()) != null)
Result += line;
return Result;

}

}