Batt

1.3 · GitLab

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Power management Android 14+ 1 year ago GPL-3.0

65 ShizuStore

81 Stars

10 MB Size

More about this app

A simple app that shows battery status information on Android 14 and later.

Batt

A simple app that shows battery status information on Android devices. Requires Android 14.

Featured by Mishaal Rahman, Android Central, GSMArena and Android Authority.

Screenshot of Batt showing that the battery is healthy, was manufactured on the 8th of August, 2021, and has 734 charge cycles.

What Batt displays

By default, it shows:

the number of charge cycles
the charge status

However, with some setup, it can also show:

the battery health
the battery manufacturing date
the battery first use date

For this to work, either use Shizuku (instructions can be found in the app) or the following ADB command:

adb shell pm grant com.porg.batt android.permission.BATTERY_STATS

Technical

The app is built using the traditional View-based system and Material 3 components. To get the BATTERY_STATS permission it uses the Shizuku API.

Make sure to use Android Studio Giraffe or later.

License

Batt is licensed under the GNU GPL, version 3.

Acknowledgements

Android 14 API Tests for the base
Mishaal Rahman for finding and reporting on the new APIs

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How Shizuku is used

Can unlock extra battery health and date info via `IPackageManager.grantRuntimePermission` through Shizuku.

This is an AI-assisted analysis of Shizuku-related usages in the app's public source code. It is best effort, so it may not catch every single usage.

How this app uses Shizuku

Batt uses Shizuku for a single privileged operation that unlocks extra battery information.

Unlock extra battery details: after tapping the permission button, the app gives itself system battery stats access through Shizuku, which reveals battery health, manufacturing date, first use date and charging policy alongside the normally visible cycle count.

Android APIs or commands used

IPackageManager.grantRuntimePermission

Notable details

The basic cycle count display works without Shizuku. Shizuku is only needed to reveal the extra health, date and charging policy cards.

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Changelog

What's new for version 1.3

Note

If you downloaded Batt from GitLab you must delete older versions of Batt to install 1.3. Users downloading from IzzyOnDroid are unaffected.

Compatibility warning

If your device is incompatible (see #8), you will now see a warning:

Warning dialog saying that Batt might not work on this device.

This warning will be shown on devices that are known to not be compatible, namely:

Pixel 4a (5G), 5 and 5a,
the Android emulator,
Xiaomi devices,
Samsung devices running One UI 6.x.

The warning can be dismissed in case Batt starts working on these devices after software updates.

Minor changes

Batt now supports Sui. (https://gitlab.com/narektor/batt/-/commit/a91c938ab49c390fb7c22ecb3b49f1dcf8933b30, closes #1 and #10)
The battery health progress bar's color now matches the icon above it. (https://gitlab.com/narektor/batt/-/commit/b6a34a97b9733d136b9b89fb99ece9fb4c144bfa)
The button in the "Can't find something" card has been removed to make Batt easier to use. Now, incorrect data can be shown by tapping the card itself. (https://gitlab.com/narektor/batt/-/commit/abd36e1196fa10f6025b3abbdb2f8ba2eb197b9b)
Batt can no longer be installed on Android 13.

Also, starting from this release, Batt is moving towards reproducible builds.

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Permissions

3 permissions requested

android.permission.BATTERY_STATS
com.porg.batt.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
moe.shizuku.manager.permission.API_V23

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