Abstract
Learning media is one component of learning that has an important role in teaching and learning activities. Based on the observation of learning media contained in SMK Negeri 3 Padang not optimal in helping students to understand learning materials, especially on abstract learning materials and difficult to explain. The use of Android-based learning media can be used as a medium to make the learning process becomes more optimal. Characteristics of Android-based devices in use have a high level of flexibility and portability that allows students to access materials, exercises and information related to learning anytime and anywhere. The purpose of this research is mengahasilkan Android-based learning media and reveal the validity, effectiveness and effectiveness of Android-based learning media developed. In this research, the researcher uses Research and Development (R & D) research method, and the development model that is done in this research is IDI model (Instructional Development Institute) which includes three stages: (1) define: needs analysis, (2) develop: Product, and (3) evaluate.The results obtained from this study have concluded that Android-based learning media on Computer and Network Basic subjects is valid, practical, and effective to be used as a medium for learning. Android-based learning media can increase student learning interest and also improve student learning outcomes. Expected for teachers and principals SMK Negeri 3 Padang in order to use learning media for learning.