Android 复制单个文件到指定目录，Android copy file

package com.angding.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

/**
* @author 邓孟鑫
*/
public class FileUtils {

public static boolean fileCopy(String oldFilePath,String newFilePath) throws IOException {
//如果原文件不存在
if(fileExists(oldFilePath) == false){
return false;
}
//获得原文件流
FileInputStream inputStream = new FileInputStream(new File(oldFilePath));
byte[] data = new byte[1024];
//输出流
FileOutputStream outputStream =new FileOutputStream(new File(newFilePath));
//开始处理流
while (inputStream.read(data) != -1) {
outputStream.write(data);
}
inputStream.close();
outputStream.close();
return true;
}

public static boolean fileExists(String filePath) {
File file = new File(filePath);
return file.exists();
}

}