Android Common Utils or Helper. Such as Log, Averager, Base64, Check, FlashLight, KeyguardLock, LogReader, Network, SilentInstaller, TimeAverager, TimeCounter, Toastor, WakeLock, ScreenReceiver, SmsReceiver, PhoneReceiver, NotificationService, AndroidUtil, AppUtil, BitmapUtil, ByteUtil, ClassUtil, DialogUtil, FieldUtil, FileUtil, HexUtil, MD5Util, NotificationUtil, NumberUtil, PackageUtil, RandomUtil, ShellUtil, TelephoneUtil, VibrateUtil, IOUtils, FileUtils, AsyncExecutor, etc. 通用性强,纯洁简单,体积不到50K!其中包括bitmap处理,文件操作,加密存储器,shell命令,