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，静默安装，计数器，均值器，吐司，日志，校验，提示，网络监测等基础功能，以及一些Base64、MD5、Hex、Byte、Number、Dialog、Filed、Class、Package、Telephone、Random等工具类。

ZBar二维码扫码库

octopusy Tech Blog

MPAndroid图形列表展示

完全自定义的Android安全键盘