将项目中的文件拷贝到SD卡

/**

     * 将默认的球场信息DB文件插入内存

     */

    privatevoid copyToDB(){

        new Thread(){

            @Override

            publicvoid run() {

                super.run();               

                try {

                    File file =new File("/data/data/com.teewell.golfcaddy.activity/databases/");

                    if(!file.exists()){//判断文件夹是否存在

                        Log.d(TAG, "file not exists");

                        file.mkdirs();//创建文件夹

                    }

                    file = new File("/data/data/com.teewell.golfcaddy.activity/databases/golf.db");

                    if(!file.exists()){

                        Log.d(TAG, "copyToDB ... start");

                        file.createNewFile();//创建新文件

                       

                        InputStream is = getResources().openRawResource(R.raw.golf);//打开资源文件流

                        byte[] buffer = newbyte[is.available()];

                       

                        FileOutputStream output = new FileOutputStream(file);//写入文件

                        int count = 0;

                        while((count = is.read(buffer)) > 0){

                            output.write(buffer, 0, count);

                        }

                        Log.d(TAG, "copyToDB ... end");

                    }

                    mHandler.sendEmptyMessage(0);

                } catch (Exception e) {

                    Log.e(TAG, "copyToDB exception ...",e);

                    mHandler.sendEmptyMessage(0);

                }

            }

        }.start();

    }