It seems that the current connect() method can only maintain one connection at a time, to connect each device in a for loop is not the way to maintain multiple connections. Each connection will need a gatt to maintain, so that this connection will not collide with the rest. refer to : https://stackoverflow.com/questions/35392762/android-ble-connecting-to-multiple-devices-at-once
It seems that the current connect() method can only maintain one connection at a time, to connect each device in a for loop is not the way to maintain multiple connections. Each connection will need a gatt to maintain, so that this connection will not collide with the rest. refer to : https://stackoverflow.com/questions/35392762/android-ble-connecting-to-multiple-devices-at-once