android学习——文件保存

byte[] ops = XXXXX;//将文件保存到手机内存中。。。//FileOutputStream fos = this.openFileOutput("test.txt" , Context.MODE_PRIVATE);//将文件保存到sd卡中String sdcard = android.os.Environment.getExternalStorageDirectory().toString();File dir = new File(sdcard + "/item");dir.mkdir();FileOutputStream fos = new FileOutputStream(sdcard+ "/item"+"/car.jpg" );//FileOutputStream fos = new FileOutputStream(sdcard+ "/item"+"/test.txt" );fos.write(ops);fos.close();