3.3 The interaction of resources and situation by using a variety of sensors in pad. 

Pad has gravity, acceleration, GPS positioning, brightness, sound and other sensors. Therefore, digital textbooks of the operating system apply to the gravity-sensing technology of the pad. When the pad is rotated 90 degrees, the page will also rotate. The pad provides a rich user experience and delivers learning content based on context. For example, we can understand accurately and analyze situations of learners depending on the location, two-dimensional code, image recognition and other information. This creates more intelligent, personalized content and a better learning environment for students. In addition, these sensors can also be used as an input device to reduce the burden on users’ input and provide a richer experience. For example, switching the contents to an image by shaking the device can provide meaningful interaction and provide an experience that traditional paper textbooks cannot replicate.

VI. Conclusion

Desmond Keegan, an international distance education expert, presented an academic report entitled "Distance Learning • Digital Learning • Mobile Learning" to celebrate the 40th anniversary of the founding of Shanghai TV University in 2000. He introduced the concept of mobile learning to China for the first time, saying that mobile learning "represents the future of learning"[.15] A decade later, the popularity of mobile devices has given great momentum to mobile learning. Many educational institutions carry out teaching and research based on mobile learning. In China, pad devices are mostly used in classrooms of primary and secondary schools. But mobile learning resources development research based on pad lags far behind the practice. Differences of behavior and experience among various types of devices have influenced the development environment and made a significant impact on instructional design. Additionally, experience and achievements of online learning resources development need to be applied and modified later on pad devices in order to achieve desired outcomes.

Bibliography

[1] Ren Haifeng, Zhao Jun. Analysis of mobile learning research situation [J]. Adult Education 2010 (01)

[2] Zheng Quan, Chen Lin. Adult mobile learning research in information age [J]. Continuing Education Research 2011 (02)

[3] Zhan Qinglong, Zhang Jigran, Shao Yinjuan, Li Yushun. Theoretical research and practical exploration on mobile learning –dialogue with Professor Mike Sharples [J]. China Educational Technology. 2010 (03)

[4] Xu Yongbo. Mobile learning and tactics of resources development [J]. Journal of Liaoning Radio and TV University .2011.4:7-8.

[5] Liu Ye. Content design strategy research on mobile learning [J]. China Education Technology & Equipment, 2012, (24) :49-50.

[6] Ji Fufei. Research on resources construction of mobile learning [J]. Science .2011 (11)

[7] Li Huanliang, Jiang Xiumei. Explore mobile learning resources and their construction [J]. China Educational Technology & Equipment, 2012, (26) :55-56.

[8] Yan Bing. Academic teaching and learning resources design in the Open University of China [J]. Distance Education in China. 2011 (08)

[9] Lin Huien. Characteristics of adult learners - Based on Shanghai TV University Huangpu District Economic Survey [J]. Exploring Education Development, 2008, (17) :81-83.

[10] Liu Xiangli. Design of mobile learning resources [J]. Software Guide, 2010 (9) .74-75.

[11] Zhao Qi. Design of mobile learning resources based on tablet PC [D]. Master Thesis, Huazhong Normal University, 2012.

[12] Yuan Wei. Educational reform in full media era of The Open University of China [C]. Strategic transformation and scientific development .2011.6:1-5.

[13] Zhu Tingting. Research on mobile learning resource design [J]. China Medical Education Technology, 2012,26 (5) :513-516.

[14] Li Qing, Wang Tao. Design framework of learning resources and points analysis based on tablet PC [J]. Journal of Distance Education, 2012, 30 (5) :35-41

[15] Desmond Keegan. Mobile learning: the next generation learning - keynote in the 18th Annual Meeting of the Asian Association of Open Universities [R]. Open Education Research, 2008.4:6-7.