参考ビデオ Timecodes / Shortcuts ———— 01:08​ – Setting Up the Realtime DB 05:59​ – A Quick Look at the App So Far 09:27​ – How to Save Data in the Realtime DB Timecodes / Shortcuts ———— 01:14​ – Getting a List of Values 09:19​ – Get a Specific Value from the Realtime DB