How to Use the Search Function to Find and Download Apps on a Fire TV Stick. If you don't see the app you're looking for in the App section of your Fire TV interface, you can use the search function to look for specific apps. You can also use this function if you have a broader category of app that you're looking for. How to add apps to home screen on Firestick and Fire TV. Newer Fire TV Stick and Fire TV models are receiving an update that changes this process.
The settings in your Android Manifest file determine where your app is installed on Fire devices. Two storage locations are possible:
- External storage (such as an SD card)
- Internal storage (using the device's memory)
Fire TV Stick doesn't have external storage, but Fire TV (Gen 1 and Gen 2, but not Gen 3) does provide external storage options through a memory card slot.
Generally, your app should specify external storage as the default install location.
Best Practices
As a best practice, most apps should specify preferExternal
for the installLocation
in the Android Manifest file. If left unspecified, your app will be installed on internal storage.
Filling up internal storage can lead to:
- Fewer app installs
- Poor app ratings
- Negative customer experiences
Some users may have abundant space available in external storage, but if an app's Manifest does not specify preferExternal
, the app will be installed internally. As a result, users get prompted with low storage warnings or cannot install the app at all, which leads to user frustration.
Selecting preferExternal
helps ensure the greatest user base for your app and a better user experience on Fire devices.
How to Specify External Storage
In the AndroidManifest.xml
of your app, inside the <manifest>
tag, add the installLocation
attribute and set its value to preferExternal
. Here's an example:
The installLocation
parameter has several values available:
installLocation value | Description |
---|---|
preferExternal | Recommended for most apps. Install your app on external storage when available. If external storage is full, install the app to internal storage (if available). The user can manually move the app later by selecting it from Settings > Apps & Games > Manage All Applications. |
internalOnly | Install the app only to internal storage. If there is not enough room in internal storage, the install will fail. The app cannot be manually moved later by the user. Not recommended for most apps. Choose this option only for the types of apps described in the next section. |
auto | Install to internal storage by default. However, if internal storage is full, install the app to external storage (assuming external storage is available). The user can manually move the app later by selecting it from Settings > Apps & Games > Manage All Applications. |
Note that even though the APK file is installed on external storage, all databases, private user data, optimized .dex files, and extracted native code are stored on internal storage.
See App Install Location in the Android documentation for more information.
When to Select Internal Storage
Most apps should select preferExternal
for the installLocation
. However, DRM-protected media apps are an exception:
- If your app plays DRM-protected media, DRM resources may become unstable if USB storage becomes unavailable.
- If your app plays DRM-protected media, either do not include
installLocation
at all, or set its value tointernalOnly
.
In addition to DRM-protected media apps, the following types of applications should never be installed on external storage:
- Services
- Alarm Services
- Input Method Engines
- Account Managers
- Sync Adapters
- Device Administrators
- Broadcast Receivers listening for 'boot completed' message
- Live Wallpapers (not supported on Fire OS)
- App Widgets (not supported on Fire OS)
See the App Install Location documentation in Android for more details.
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Fire TV External Storage Settings
Fire TV (Generation 1) supports USB external storage and Fire TV (Generation 2) includes a microSD slot for external storage. On these devices, settings are provided for users to manage connected external storage.
Users can also move internally stored apps to the SD card:
Handling secondary downloads in your app
For apps that perform their own secondary downloads as part of first run or at any other time, these downloaded files are usually stored where the APK file was installed on the device. If the app was installed on external storage, the APK file will be on external storage.
Some applications, particularly games, use secondary downloads containing additional textures, levels, or other asset files. If you are handling this download in your app code, such as part of first run initialization, use the Android PackageManager getApplicationInfo method to retrieve the ApplicationInfo
class.
The ApplicationInfo
class contains the location of the APK (sourceDir
) and the public parts of the source directory, including the resources and manifest (publicSourceDir
). If the app has been installed on external storage, these paths will point to that location and indicate where users should install the additional downloaded content.
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If your app uses installLocation='preferExternal'
to install a 40MB APK onto external storage, but then stores a 1GB downloaded data file to internal storage because the app uses the ApplicationInfo dataDir
path, this would defeat the purpose of using external storage and quickly fill up the device's internal storage, leading to customer frustration. Therefore make sure the secondary downloads use the sourceDir
for the download path.
Specifying Install Location with Unity
Unity is one of the most popular tools for creating games for the Amazon Appstore. Unity supports setting the install location through the Player Settings Inspector for Android. To configure your app install location on external storage:
- From your Unity project, click File-Build Settings….
From the Build Settings dialog, select Android in the Platform list and click the Player Settings… button to display the inspector.
Open the Other Settings section and look for the Install Location setting.
preferExternal
is usually the default – this is almost always the best choice.
YoYo Games’ Gamemaker:Studio also uses preferExternal
as the default for Android projects. Although you can manually change this default, it's recommended that you leave it as is.
Other engines and development frameworks provide similar options. Consult the documentation for the tool you are using to make sure you set the installLocation
to preferExternal
in the APK manifest.
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Last updated: Oct 29, 2020