App Inventor Extensions

Magnetic Sensor Extension

See the App Inventor Extensions document about how to use an App Inventor Extension.

For questions about this extension or bug reports please start a new thread in the App Inventor community. Thank you.

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April 1st, 2016: Version 1 of the Magnetic Sensor Extension released for App Inventor version ai2extensions7 and Companion version 236.cdk1.

Aug 11th, 2016: Version 1a: avoid DX execution failed error: build each extension separately

Description

Magnetic Sensor component.
Required permissions: none
Thank you Selorm for being the sponsor of this extension.

Properties

Returns whether sensor is available.

Returns whether sensor is enabled.

Specifies whether sensor is enabled.

Returns the X (northward) component of the magnetic field in microteslas (10^-6). To return meaningful values the sensor must be enabled.

Returns the Y (eastward) component of the magnetic field in microteslas (10^-6). To return meaningful values the sensor must be enabled.

Returns the Z (downward) component of the magnetic field in microteslas (10^-6). To return meaningful values the sensor must be enabled.

Returns the absolute field strength using the formula SQRT(X*X+Y*Y+Z*Z). To return meaningful values the sensor must be enabled.

Events

Event indicating that a sensor change occurred.

Example App: Magnetic Sensor Test

Test

Tested successfully on Nexus 5 running Android 6.0.1.

Terms and Conditions

• Have fun and use this extension in your App Inventor projects! Pura Vida!
• THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
• This is is the only authorized place to download this extension. It is not allowed to host this extension somewhere else and offer it for others to download, be it on another website or market place or similar. The reason is, everybody should be able to have the opportunity to donate something in case you like my work. You are allowed to provide a link to this site, so others can download the extension here. You will find the most up to date version always here including documentation and usage examples. Thank you for your kind understanding.

Download

Download TaifunMagnetic extension (aix file)
Download Magnetic Sensor Test (aia file)
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This work by Pura Vida Apps is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License
with attribution (name=Pura Vida Apps and link to the source site) required.