Directory SharedPreferences 1. Introduction 2. Understand 1 data storage 2 Data reading 3 common methods 3.1 getSharedPreferences() 3.2 edit() 3.4 remove() remove data 3.5 clear() clears data 3.6 commit() submits and saves data 3. Basic use 1 an example 4. Monitoring 5. Performance analysis 6. Points of attention during use 1 Get the SharedPreferences object […]