一个简单的函数调用提示异常,请师傅指点 Unhandled exception type IOException FileOperate.java
异常提示:
Description Resource Path Location Type
Unhandled exception type IOException FileOperate.java /FileOperateProject/src/org/lxh/demo line 30 Java Problem
源代码:
package org.lxh.demo;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import android.app.Activity;
import android.os.Bundle;
public class FileOperate extends Activity {
private static final String FILENAME = "mldn.txt" ; // 设置文件名称
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
super.setContentView(R.layout.main);
writeFile("bbin.bin");//此句提示异常,该如何处理?????
}
public void writeFile(String fileName) throws IOException {
try {
FileOutputStream fout = openFileOutput(fileName, MODE_PRIVATE);
//byte[] bytes = writestr.getBytes();
byte[] bytes ={0x11,0x22,0x33,0x44};
fout.write(bytes);
fout.close();
}
catch (Exception e) {
e.printStackTrace();
}
}
}