# Android App

The openHAB Android application is a native client for openHAB, compatible with phones and tablets. The app follows the basic principles of the other openHAB UIs, like Basic UI, and presents your predefined openHAB sitemap(s).

Get it on Google Play Get it on F-Droid

# Features

Demo Overview Widget Overview Google Maps Widget

# Getting Started

On first start the app tries to discover your openHAB server. This will only work on local networks and when the server does not enforce either authentication or HTTPS. If it fails, you can click on Go to settings and manually enter the server settings.

The URL field(s) might look like one of the following examples:

  • IP address:
  • Local hostname: http://openhabianpi:8080 (depending on your network the suffix .local needs to be added to the hostname)
  • Remote domain name: https://myopenhab.org for an openHAB cloud account with myopenHAB

Local server settings: Please enter the base URL of your openHAB server, as you would enter it in the browser to reach the openHAB dashboard.

Remote server settings: If your openHAB instance is reachable via a public address/domain from outside your home network, these settings will be used when the local connection is not successful. Make sure to secure this connection against unauthorized access. There are a number of strategies available to provide secure remote access to your openHAB server.

# Permanent Deployment

If you want to use openHAB Android on a wall mounted tablet, go to settings and select Disable display timer and Fullscreen.

# Alarm Clock

The openHAB app will send the next wake-up time from your alarm clock app to the server. The time is sent as a number containing the number of milliseconds since the epoch. The Item name's default is AlarmClock, but you can change it in the settings.

Example item definition:

Number AlarmClock

Example rule:

var Timer timerAlarm = null

rule "Alarm Clock"
    Item AlarmClock changed
    if (AlarmClock.state as Number == 0) {
        if (timerAlarm !== null) {
            timerAlarm = null
        logInfo("alarm", "All alarms are cancelled")
    } else {
        var epoch = new DateTime((AlarmClock.state as Number).longValue)
        logInfo("alarm", "Scheduling alarm for " +  epoch.toString)

        if (timerAlarm !== null) {
            logInfo("alarm", "Reschedule alarm")
        } else {
            logInfo("alarm", "New Alarm")
            timerAlarm = createTimer(epoch,
                [ k |
                    // Turn on stuff, e.g. radio or light
                    logInfo("alarm", "alarm is expired")

# Call State

The openHAB app will send the current call state to the server.

Example item definition:

String CallState

Example rule:

rule "Call State Trigger"
    Item CallState changed
    if (CallState.state == "IDLE") {
        // No call activity
    } else if (CallState.state == "RINGING") {
        // A new call arrived and is ringing or waiting. In the latter case, another call is already active.
    } else if (CallState.state == "OFFHOOK") {
        // At least one call exists that is dialing, active, or on hold, and no calls are ringing or waiting.


# Tasker Action Plugin

The Tasker Action Plugin can be used to send Item commands to the server.

For security reasons the plugin is disabled by default. You can enable it by clicking on "Turn on" when trying to select an Item or go to the openHAB app settings and turn on "Tasker integration".

Variables can be selected as state after they have been created in the task. The variable %httpcode is returned by the plugin and contains the HTTP code returned by the server.

In case of an error the plugin returns an error code.

Error Code Description
10 Tasker plugin is disabled
11 The app couldn't establish a connection
1000+ A connection was established, but an error occured. The error code is 1000 + the HTTP code

# Help and Technical Details

Please refer to the openhab-android project on GitHub for more details.

# I don't receive any notifications

Please have a look at the "Push notification status" on the About screen in the app. If it claims that your device is successfully registered at FCM, please open an issue on openhab-android project on GitHub or create a thread in the forum.

# My notifications are delayed

All notifications are sent as "high priority" messages, which means that the device and the openHAB app are waken up and display the notification. However vendors/third parties can implement custom "cleanup", "optimization" and "battery saver" apps, which might lead to delayed notifications. Please have a look at dontkillmyapp.com how to make an exception for openHAB in these apps.

# My voice command rule isn't run

Please make sure Default Human Language Interpreter is set to Rule-based Interpreter (http://openhab:8080/paperui/index.html#/configuration/system) and Rule Voice Interpreter => Configure => Select correct item (http://openhab:8080/paperui/index.html#/configuration/services?tab=voice).

# Chart loading is too slow

Generating charts can be taxing to the server. If you experience slow chart loading times and your server isn't powerful, open Settings and disable High resolution charts to improve loading times.

# Trademark Disclaimer

Google Play and the Google Play logo are trademarks of Google Inc.