The Samsung Galaxy S9 has several sensors integrated in its hardware that record different measurement data. Magnetic sensor, proximity sensor, barometer, acceleration sensor, light sensor and more.
All these built-in sensors acquire non-stop measurement data within the Samsung Galaxy S9 or S9 Plus.
If you now want to display, evaluate or check individual sensor data, you do not have an option for this in Android and the Samsung Experience interface.
This means that you must use the following workaround to read the sensor data of the Samsung Galaxy S9 in real time:
Reading the measurement data of the sensors in real time - Instructions
First, download the app you need from the Google Play Store:
If you have installed the app on the Samsung Galaxy S9, you can now start reading your sensors and measurement data. Open "Sensors Multitool".
Select the symbol with the three bars (hamburger symbol) in the upper left corner - you will now see a list of hardware components.
Samsung Galaxy S9 Sensor data
Select a section to have the measurement data of the sensors read out in real time.
Now you can test on the Samsung Galaxy S9 whether a sensor works correctly or not and whether the sensor data it returns are plausible.
You now know how to read sensor data in real time on the Samsung Galaxy S9.