Android读取raw文件中的数据

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_test"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.example.cheng.myapplication.TestActivity">

    <Button
        android:id="@+id/readTxtBtn"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="按钮"/>

</LinearLayout>

package com.example.cheng.myapplication;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;

public class TestActivity extends Activity {
    private Button myButton;
    public static final String TAG="RawData";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_test);

        myButton=(Button)findViewById(R.id.readTxtBtn);

        myButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                try {
                    InputStream is=getResources().openRawResource(R.raw.info);
                    InputStreamReader isr = new InputStreamReader(is,"UTF-8");
                    BufferedReader br=new BufferedReader(isr);
                    String str="";
                    while ((str=br.readLine())!=null){
                        Log.i(TAG,str);
                    }
                } catch (UnsupportedEncodingException e) {
                    e.printStackTrace();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }
}