Import/export your Android calendars as ics files without using the Google cloud
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Resources Add a developer setting for querying all columns May 31, 2016
LICENSE Update license section in README Dec 29, 2016
build.gradle Version 2.6 Sep 27, 2017
gradlew.bat Version 2.6 Sep 27, 2017
settings.gradle Rename to Calendar Import/Export Sep 14, 2015

Calendar Import/Export

This app allows you to import/export your calendars using ics files without using Google synchronization services.

For more information, see

| Google Play | F-Droid |



  1. Run the Android SDK Manager (shell command: android)
  2. Expand the "Extras" directory and install "Android Support Repository", "Android Support Library" and "Google Repository".
  3. Make sure the ANDROID_HOME environment variable is set and points to your Android SDK install directory (shell command export ANDROID_HOME=~/AndroidSDK/)
  4. Make sure the Android SDK directories "platform-tools", and "tools" are in your PATH (shell command export PATH="$ANDROID_HOME/platform-tools/:$ANDROID_HOME/tools/:$PATH)

Build with Gradle

  1. Run the Gradle wrapper (shell commands ./gradlew build, ./gradlew clean etc)
  2. Run ./gradlew --help for help and ./gradlew tasks for a list of available build tasks
  3. If needed, edit "CalendarImportExport/build.gradle" to change the "compileSdkVersion" and/or "buildToolsVersion" numbers to match what you installed using the SDK Manager
  4. If needed, edit "CalendarImportExport/build.gradle" to change the "" version number to match the version of "Android Support Library" you installed using the SDK Manager

Build with Android Studio

  1. Start Android Studio
  2. Choose the "Import project" option.
  3. Select the "build.gradle" file in this directory and click OK.
  4. Once imported, use the build action from the "Build" menu.


Fork the git repository, make changes and submit a pull request with the details.


Bugs can be raised at Github.


Translations can be submitted at Transifex.

Coding Style


  • Indentation: 4 spaces, no tabs
  • Maximum line width for code and comments: 100
  • Opening braces don't go on their own line
  • Field names: Non-public, non-static fields start with m.
  • Acronyms are words: Treat acronyms as words in names, yielding !XmlHttpRequest, getUrl(), etc.



  • XML Maximum line width 999
  • XML: Split multiple attributes each on a new line
  • XML: Indent using spaces with Indention size 4



Calendar Import/Export is licensed under the GPL v3+. The file LICENSE includes the full license text.


Calendar Import/Export is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Calendar Import/Export is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with Calendar Import/Export. If not, see