sqlite数据库存储日记,drawer侧滑栏,支持开启或者关闭app密码保护的功能.简单的使用base适配器-SQLite to store the diary, drawer slide bar, support to open or close the app password protection function. Simple to use the base adapter

Digital watermarking is described as a viable method for the protection of ownership rights of digital audio, image, video and other data types. In case of images watermarking can be applied to different applications including publication monitoring,

activity劫持防护，防止被恶意程序劫持(activity hijacking protection)

OFDM系统包括OFDM系统的调制解调，IFFT及FFT变换，保护间隔的加入对系统性能的改善，以及多径干扰、高速移动对系统误码率的影响。(The OFDM system includes modulation and demodulation of the OFDM system, IFFT and FFT transformation, the improvement of the protection interval to the system performance, and the i