Advanced Android: [Lesson 3][Step 1.3][Sensor based orientation values never updated on some Incompatible Android Device]

[sofien4387]

Describe the problem
Some Device does'nt have a Sensor Magnetic like Example Samsung Tab 5.

**Lesson and Step of the codelab can this issue be found :
TiltSpot Project Lesson 3, Step 1.3

How to reproduce?
Install the Demo Application on Device Tablet Samsung Tab 5 which does'nt have a Sensor Magnetic , so the accelormeter values never updated

Versions

• version of Android Studio: 3.5.2
• API level target : Android 21

Additional information
To fix this issue, just add else branch when SensorManager not found (NULL) and display incompatibilty sensor device message.

codelab: advanced-android
Advanced Android 03.2: Sensor-based orientation