Automatically start WiFi hotspot on Android Headunit

Your android headunit has WiFi for connectivity. Ideal for streaming spotify or youtube or even just google maps gets better with a data connection. The wifi can can connect to you home wifi router but this is only useful while your car is parked outside your house or apartment. The wifi signal is too weak to reach down the street so the solution is to set your phone as a wifi hotspot.

Hot Spot

A hotspot turns your phone into a wifi router that can connect to your android headunit. The 3G/LTE/4G/5G data on your phone is passed to the phone wifi and then sent to the android headunit. This system will continue to supply the android headunit with data as long as the phone can get a good data signal. You can now stream and browse as you drive knowing the android headunit is getting data via the phone.

Problem

The biggest problem or at least an inconvenience is setting up the hotspot on your android phone each time. Android evolves with each version and improvements are made but the hotspot has not chamged much over the years. You can find that after leaving the car, your android phone reverts back to normal wifi and drops its hotspot mode. This is useful to allow the phone wifi to connect to a source (for example your home wifi), but it means that you need to enable ‘hot spot’ mode next time you get in the car. This can be time consuming and if you forget, it becomes a problem.

The solution

Having the phone hotspot activating automatically when the phone and android headunit get close would be a great solution to the problem.

An app called ‘HotSpot Automatic (free)‘ will do just that. You install the app on your android phone and when configured it can use bluetooth to make the detection and run the hotspot script. The android headunit will now connect automatically to the phone hotspot.

The APP

The Hotspot Automatic app has a list of tested devices that can be found under the link: https://android-hotspot.de/en/1300-2/

The app launches the hotspot on your phone as soon as the matching Android Headunit Bluetooth device is nearby.


The function can be switched on and off.
No annoying menus. Everything is visible on one page.

Differences between the Pro and Free version
free: Works with only 3 Bluetooth devices
Pro: Works with unlimited Bluetooth devices

Don’t like Hotspot Automatic?

There are other options on the play store for automatic hotspot activation for you android headunit and android phone.

Hot Spot Starter Free is another free option to complete the same task as Hotspot Automatic.

Features of the free version are:

Automatically starts WiFi hot spot when connecting to a Bluetooth device
WiFi state will always be restored automatically after Bluetooth disconnect

Which are the basic features you will need to automatically start an android phone hotspot for a data connection to your android headunit.

The paid version expands on these features to include:

Start selected Apps with the hot spot (basically means, start specific apps like radar warners everytime you enter your car and bluetooth connects to the handsfree unit)
Several setup options like shutdown bluetooth at disconnect, select specific bluetooth devices only.

Job complete

With any of these options installed on your android phone, it will allow the automatic creation of a data hotspot for your android headunit each time it boots up.


A note about Free

Free is good, even just to test that it works and functions on your particular phone. As with all the free app offerings, the app developers would like you to pay a small sum for the paid version. It helps the pay the bills and encourages them to continue developing.

Marshmallow
Marshmallow
An android-headunits.com staff blogger. I am a multi-skilled dogs-body and I also make the coffee ☕

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