iNaturalistAndroid is an Android app for iNaturalist.org.

cd path/to/your/workspace
git clone git@github.com:inaturalist/iNaturalistAndroid.git

# Get the JAR deps
mkdir iNaturalistAndroid/libs/
cd iNaturalistAndroid/libs/
wget https://github.com/loopj/android-async-http/raw/master/releases/android-async-http-1.3.1.jar
wget http://psg.mtu.edu/pub/apache//commons/collections/binaries/commons-collections-3.2.1-bin.tar.gz
tar xzvf commons-collections-3.2.1-bin.tar.gz
wget http://apache.cs.utah.edu//commons/lang/binaries/commons-lang3-3.1-bin.tar.gz
tar xzvf commons-lang3-3.1-bin.tar.gz
wget http://archive.apache.org/dist/httpcomponents/httpclient/binary/httpcomponents-client-4.1.2-bin.tar.gz
tar xzvf httpcomponents-client-4.1.2-bin.tar.gz
cd ../../

# Get the FacebookSDK
git clone git://github.com/facebook/facebook-android-sdk.git
./facebook-android-sdk/scripts/build_and_test.sh
# Remove the file `facebook\libs\android-support-v4.jar` (since we have a newer copy of that file within our iNat project)

# Get the Android-PullToRefresh library
git clone git://github.com/budowski/Android-PullToRefresh.git

# Get the ActionBarSherlock library
wget https://codeload.github.com/JakeWharton/ActionBarSherlock/legacy.zip/4.4.0
# Extract only the `actionbarsherlock` folder
# Remove the file `actionbarsherlock\libs\android-support-v4.jar` (since we have a newer copy of that file within our iNat project)

# Get the Android Switch Backport library
wget https://github.com/BoD/android-switch-backport/archive/master.zip
# Extract only the `library` folder


# Copy the example config file and add your own API keys etc
cp iNaturalistAndroid/res/values/config.xml.example iNaturalistAndroid/res/values/config.xml

1. Open menu File / Import...
2. Choose General / Existing Projects into Workspace
3. Select root directory as path/to/your/workspace/INaturalistAndroid
4. Check the INaturalistAndroid project and click Finish
5. Open menu File / Import...
6. Choose General / Existing Projects into Workspace
7. Select root directory as path/to/your/workspace/facebook-android-sdk/facebook
8. Check the FacebookSDK project and click Finish
9. Right-click the FacebookSDK project and select Build Path -> Configure Build Path
10. Make sure that android-support-v4.jar does not appear (remove if so)
11. Copy the android-support-v4.jar file to your INaturalistAndroid\libs folder (from /android-sdk/extras/android/support/v4)
12. Add JARs -> Select the INaturalistAndroid project -> libs folder -> android-support-v4.jar
13. Install Google Play Services SDK (as specified in http://developer.android.com/google/play-services/setup.html) using the SDK Manager
14. Copy the google-play-services.jar file to your INaturalistAndroid\libs folder (from /android-sdk/extras/google/google_play_services/libproject/google-play-services_lib/libs)
15. Add JARs -> Select the INaturalistAndroid project -> libs folder -> google-play-services.jar
16. Open menu File / Import...
17. Choose General / Existing Existing Android Code into Workspace
18. Select root directory as path/to/your/workspace/Android-PullToRefresh/library
19. Check the library project and click Finish
20. Open menu File / Import...
21. Choose General / Existing Android Code into Workspace
22. Select root directory as path/to/your/workspace/actionbarsherlock
23. Check the actionbarsherlock project and click Finish
24. Open menu File / Import...
25. Choose General / Existing Android Code into Workspace
26. Select root directory as path/to/your/workspace/android-switch-backport
27. Check the android-switch-backport project and click Finish
28. Right-click the iNaturalistAndroid project and select Properties
29. Go to Android tab
30. Scroll down to the Library box and click Add
31. Select the actionbarsherlock , PullToRefresh-library and android-switch-backport projects and press OK
32. Press OK to close the dialog
33. Clean and rebuild the entire workspace (all imported projects)

In theory it should build now!