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akvo / akvo-caddisfly

Android app integrated with Akvo Flow
https://akvo.org/products/akvo-caddisfly/
GNU General Public License v3.0
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Bluetooth connection Lovibond MD610 Photometer with Caddisfly issue #275

Closed MBlommestijn closed 2 years ago

MBlommestijn commented 2 years ago

Unable to connect the Caddisfly app (version: 1.0.19) with the Lovibond MD610 photometer via bluetooth connection.

Normally the Caddisfly app detects the bluetooth signal of the photometer and enables the user to connect the photometer in the photometer questions in the Caddisfly app. During a training all smartphones (4) were not able to connect, the MD610 photometer did not show up in Caddisfly.

There are currently 64 tests in Caddisfly which require the MD610 photometer bluetooth connection.

MBlommestijn commented 2 years ago

Phones that successfully paired with the MD610 photometer: Android 8 - Huawei Y6 Android 9 - Infinix S5

Phones that did NOT pair with the MD610 photometer: Android 10 - Tecno spark 6 – KE7 Android 10 - Honor 10 Android 11 - Samsung Galaxy A 12 Android 11 - Infinix Note 10 Android 11 - Sumsung Galaxy S20 FE Android 11 - OnePlus Nord

nhternup commented 2 years ago

Change to location permission to be made as per:

https://developer.android.com/about/versions/10/privacy/changes#location-telephony-bluetooth-wifi If your app targets Android 10 or higher, it must have the ACCESS_FINE_LOCATION permission in order to use several methods within the Wi-Fi, Wi-Fi Aware, or Bluetooth APIs.