readyPackageFolder(), 특정 폴더 만들기

특정 폴더가 없으면 만들고, 있으면 true로 return

Pemission Required

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>

 

 

refer to blackRecords.apk 

boolean readyPackageFolder (File dir){
  try {
    if (!dir.exists()) return dir.mkdirs();
    else
    	return true;
  } catch (Exception e) {
  	Log.e("creating Folder error", dir + "_" + e.toString());
  }
  return false;
}