How to Build an Android TV Box With a Raspberry Pi

Want to make a Raspberry Pi-based media center, but find that the basic Kodi install doesn’t offer enough features? Don’t worry, there is a tried and tested alternative: Android TV!
Here’s how to install Android TV and enjoy the benefits of every popular streaming app that runs on Android, on your Raspberry Pi.
Android in a Box
This is a relatively straightforward project, requiring you to:




Install a dedicated Android ROM on your Raspberry Pi
Install some specific Android TV software
Start watching TV

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It really is that simple. If you know how to install an operating system to your Raspberry Pi, you shouldn’t have any trouble.
Before you get started, make sure you have:




A Raspberry Pi 3 (currently no support for Pi 3 B+ or Pi 4)
A good quality microSD card
Reliable Raspberry Pi power supply
USB keyboard and mouse (or combi remote)
USB flash drive
HDMI cable
Ethernet cable (optional)

You’ll also need the following software downloads:

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LineageOS 15.1 (Android 8.1) for Raspberry Pi 3
Open GApps Pico package from opengapps.org
Etcher SD card writing software

Ready to start? Let’s go.
Step 1: Unpack and Install Android
Installing LineageOS on your Raspberry Pi gives you the benefit of the Android operating system. This means potentially better support for media software, such as YouTube and Kodi. With the right Google apps installed, however, your Android powered Raspberry Pi makes a great Android TV.
This is possible with various versions of Android for Raspberry Pi (one of which we’ve looked at previously), but for the best results, use the LineageOS version linked to above. Before proceeding, ensure the ZIP file is unpacked.
Install Android on the Raspberry Pi With Etcher
To install, first insert your Raspberry Pi’s microSD card into your PC card reader and run Etcher.
Here, click Select image and browse to the unzipped image file. Select this, then ensure your SD card is selected under Select drive. Once you’re satisfied, click Flash to commence writing the Android disk image.

Wait for writing to finish—Etcher will inform you when the process is complete—then eject the SD card. Insert it in your Raspberry Pi, then boot up.
On the first run, it may take for Android a little while to load. Once running, if you have a keyboard and mouse to hand, set up Wi-Fi. If not, connect your Raspberry Pi to your network by using an Ethernet cable hooked up to your router.
Following installation and a successful boot, LineageOS will require basic configuration. This will just be the usual stuff: set country, time zone, etc.
Step 2: Prepare Android TV for Google Apps
Your Raspberry Pi is now running Android. This is a version based on AOSP which means that no Google apps are installed. Instead, you will need to do this manually.
You should have already downloaded the GApps package to your PC. Visit opengapps.org and select:

ARM
8.1
Pico

(It’s tempting to select the Android TV option rather than Pico—don’t. This is simply a larger file, and doesn’t really do anything other than cause problems down the line.)
Select Download, then when the GApps file is saved to your PC, copy it to your USB flash stick. Safely remove this and insert it into your Raspberry Pi.
Next, on LineageOS, open the app drawer and select Settings > System > About tablet. Here, scroll down to Build number and click it repeatedly. Eventually, this will add the Developer options menu to the previous screen.
Click back until you’ve exited the Settings app, then reopen it and navigate to System > Developer options. Select Root access and choose the Apps and ADB option, clicking OK when the warning is displayed.
Next, scroll down to Local terminal and enable the app. This gives you local shell access, which means you can enter commands via the keyboard.
Head back to the app drawer, where you will find the Terminal app. Click to open and Allow the app permissions to access your device.
Next, enter the superuser command:
su
A Privacy Guard warning box will appear. Check Remember my choice (to ensure future permission for what you’re about to do) and then Allow.
Next, enter the command
rpi3-recovery.sh
This loads the recovery script. Enter the reboot command to launch it.
reboot
The Raspberry Pi will boot into the TWRP recovery console. Here, select Install, then Select Storage to choose your USB flash device.

Select the GApps file, then Install Zip, and in the next screen check Reboot after installation, then Swipe to confirm Flash.

When the device reboots, you should be able to access the Play Store.
Step 3: Configure Your Android TV Interface
So far, you’ll notice that the interface on LineageOS on your Raspberry Pi basically looks like Android, not Android TV. To change this, you’ll need a launcher.
Several are available; we used an ad-supported launcher, ATV Launcher Free from the Play Store. Simply sign in with your usual Google account, search for it, and install. (Note that your initial sign-in to the Play Store will take a few moments to complete thanks to verification steps.)

With the interface sorted, you’ll need to add some useful media apps. Things like YouTube, Plex, Amazon Prime Video, Kodi, and more work, and are all available on Google Play. Simply install these as usual to get the benefit of your existing subscriptions.
Note: Performance of these apps has proven mixed at best. For the best results, stick to YouTube. If you’re looking for other apps, research to find the best versions to install.
Step 4: Controlling Android TV on Raspberry Pi
With everything up and ready, you will probably want to disconnect your mouse and keyboard in favor of something lightweight. Several remote options are available for the Raspberry Pi, which should work with Android TV.
One option is the Mini Wireless Keyboard/Air Remote Control which is combination device with configurable LED backlight.

Mini Wireless Keyboard/Air Remote Control

Mini Wireless Keyboard/Air Remote Control
Buy Now On Amazon $17.99
Alternatively, you might prefer the iPazzPort Wireless Mini Keyboard with Touchpad. This combines the keyboard and touchpad along with a D pad and media controllers into one unit.

iPazzPort Wireless Mini Keyboard with Touchpad

iPazzPort Wireless Mini Keyboard with Touchpad
Buy Now On Amazon $14.99
Both devices are wireless and ship with a dedicated Wi-Fi dongle specifically keyed to remote controls.
Enjoy Your Media With Android TV on Raspberry Pi!
By now you should have a Raspberry Pi 3 or later pumping out videos and music using the LineageOS with an Android TV user interface. To all intents and purposes, you have an Android TV box!
Admittedly, you may run into trouble with performance, so ensure your microSD card is up to scratch. Also, check you’re using an approved Raspberry Pi power supply. This will ensure the Pi gets the power it needs without risking undervoltage and microSD card corruption.
Like the feel of Android TV but aren’t getting the best results? Consider our list of the best Android TV boxes.
Read the full article: How to Build an Android TV Box With a Raspberry Pi