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Church of Sweden: Open Church

This is a hands-on guide to using the public APIs of the Church of Sweden that have been published as part of the project Open Church.

The guide shows how to build an Android app that displays summer churches near your current location, using the "places" API.

Generating an API Key

The first thing you need to do to get access to any of the APIs of the Church of Sweden is to register with the API portal and generate an API key. This process is completely free; the only information you need to provide is a valid email address.

  1. Go to and register a user.
  2. After you have been logged in to the API portal, go to and create a new API key, giving it a name describing what you intend to use it for. You can register several keys.
  3. When you now go to, you see a list of your API keys. Each key is in the form of a universally unique identifier, e.g., 123e4567-e89b-12d3-a456-426655440000. It is this UUID you will use in your calls to the church's APIs.

Managing your Services

In the API portal there are several published APIs. Some of them require that you accept a legal agreement before usage.

Once logged in, go to Here you will see a list of the APIs that you are currently able to use. The list also provides information on whether an agreement was required.

Do the following steps in order to start using an API that requires an agreement:

  1. Go to and select the API of your choice.
  2. If the API require that you accept a legal agreement you will see a red button "Show agreement" indicating this.
  3. Click the button to show more information on the agreement, along with two buttons; "Accept" and "Cancel".
  4. Click "Accept" if you accept the terms of the agreement.
  5. Go to your profile page The API will now be accessible here.

Managing your Profile

Once logged in, go to Here you will find functionality to view and update your profile settings, including; Username, Email, Name, Company and Password.

Building the Demo App

To build the Summer Churches demo app, you must have the Android SDK installed. You need at least Android 3.0 Honeycomb (API level 11). The same goes for any device you want to use for testing.

You probably also want to install Android Studio since it makes development of Android apps easier.

You can download both the Android SDK and Android Studio here:

Importing the Project in Android Studio

The recommended way to import the project in Android Studio is to first clone it from GitHub, and then use Import project (Eclipse ADT, Gradle, etc.) in Android Studio. Select the top-level build file getting-started-guide/summerchurch/build.gradle. After the import has finished, you should see three modules: app, core, and Gradle Scripts.

Building the Project

The rest of these instructions assume that you build the project from the command line. If you build within Android Studio, you will have to adjust the instructions accordingly.

To build from the command line, you need to have Gradle installed.

Make sure the environment variable variable ANDROID_HOME is set to the correct value.

# An example for Linux:
export ANDROID_HOME=/opt/android-sdk

rem An example for Windows:
set ANDROID_HOME=C:\tools\Android\sdk

You now need to replace the default API key with the key you created in an earlier step. Locate the file


and replace the text REPLACE_ME! with your own API key.

Now build the app using Gradle from a command prompt:

cd summerchurch
gradle build

The build should end with the text BUILD SUCCESSFUL.

Running the demo app

When you have successfully built the app, you can now test it on a real device. First, connect your device to your computer using a USB cable. Then give the command

gradle installDebug

This will install the app on the connected device, but it will not start it. Do this manually by locating the Summer Churches app and run it, preferably somewhere where you have a GPS signal. If you are in within a reasonable distance, currently 400 km or around 250 miles, from any summer church, the app will display them on a map.

Church of Sweden Public APIs

To locate summer churches in your vicinity, the app uses the Places API, one of the public APIs provided by the Church of Sweden:

Other public APIs can be found in the API portal:

The Open Church project has also resulted in a description of these APIs using DCAT-AP, which makes them searchable from








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