all: add a README

- Instructions for how to build the app for the first time with Android
  Studio.

- Add a .gitignore to avoid polluting the git repo too much.

Change-Id: I575942dff320dceced608f7d366d789d176d3c5c
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5812084
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+*.iml
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+*gradle*
+.idea/
+gobind/
diff --git a/README b/README
new file mode 100644
index 0000000..298e84f
--- /dev/null
+++ b/README
@@ -0,0 +1,41 @@
+To build a new APK:
+
+- Download and install Android Studio:
+https://developer.android.com/studio/index.html
+
+- Launch Android Studio (<installation_dir>/bin/studio.sh)
+
+- On the main screen, select Import Project (Eclipse, Gradle, etc)
+  + Select this project. You should see an Android Studio icon close to it.
+
+- Install an updated Android SDK from within Android Studio.
+  + Tools > Android > SDK Manager
+
+- Build go bindings for Android:
+  + cd $GOPATH/src/upspin.io/client/gobind
+  + go generate
+
+- Import the .aar created in the step above:
+  + File > New > New Module > Import .JAR/.AAR Package
+  + Enter the path above, expanding the GOPATH var.
+  + It should find gobind.aar.
+  + Your project window now should have app and gobind.
+
+- Set gobind as a dependency:
+  + File > Project Structure
+  + Click on "app".
+  + Select the Dependencies tab.
+  + Click + on the top right margin.
+  + Select gobind.
+  + Click Ok.
+
+- Build the project
+  + Build > Rebuild project
+
+- Plug a phone in Developer Mode and launch the app:
+  + Run > Run (or click on the green "play" icon near menu item Run)
+
+- Follow configuration instructions on the phone.
+
+
+