A Screenlock Application Using Yoruba Characters for Android Devices

A lock screen is a user interface that appears on a mobile device when it is in a locked state. The purpose of a lock screen is to prevent unauthorized access to the device and its content, such as personal contacts, photos, and other sensitives information. A lock screen typically requires the user to enter a password, pattern or use biometric authentication such as fingerprint recognition to unlock the device. English characters and patterns were often used for screen lock on mobile devices because English language is the most official language in some country most especially in Nigeria and other African countries, However, most illiterate and adult that are not familiar with these languages find it difficult to use. To combat this problem, there is need to develop a user-friendly Yoruba lock-screen app that takes Yorùbá characters as input and also allow users to unlock their android devices with this newly developed application. Moreover, Yorùbá is one of the largest ethnic groups in Nigeria. and also, there is need to promote our local language. The system was built using various programming languages and comparative study of different technique is done as per stages. The system is made flexible and versatile and application has a user-friendly screen. The application has been tested by various student (who uses Android APP) and has provided a successful result