activitymain.xml New Project. Also, I understand there are a lot of resources on stackoverflow and other websites that cover similar topics of getting nearby bluetooth device list. I have a ListView that should have the following layout in its rows: HEADER should be static but the Text changes every few seconds. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java. ![]() I have tried clearing my array list before it is updated. Problem: Bluetooth device list is not updated correctly every time a device becomes available or unavailable. ![]() It shows the data in different views like GridView, ListView, Spinners, etc. I suggest you use RecyclerView instead of listview to get performance benefits. For displaying list of records in listview, just create list view adapter and bind record data to views in item layout. Best example of it is our devices Contact List. It also retrieves data from data set & generates view objects based on that data. Use room, it will be easy to use local SQLite db using room, all you need to define entity, dao and database using Room annotations. ![]() I am trying to scan all (paired and unpaired) bluetooth devices and display a list of these devices on application screen. Append to a list of data Listen for child events Listen for value events Detach listeners. Note: I am completely new to android studio (java) and this is my very first project. On this page Get a DatabaseReference Read and write lists.
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