upload android base code part7

android/developers/build/prebuilts/androidtv/leanback/CONTRIBUTING.md

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+# How to become a contributor and submit your own code
+
+## Contributor License Agreements
+
+We'd love to accept your sample apps and patches! Before we can take them, we 
+have to jump a couple of legal hurdles.
+
+Please fill out either the individual or corporate Contributor License Agreement
+(CLA).
+
+  * If you are an individual writing original source code and you're sure you
+    own the intellectual property, then you'll need to sign an [individual CLA]
+    (http://code.google.com/legal/individual-cla-v1.0.html).
+  * If you work for a company that wants to allow you to contribute your work,
+    then you'll need to sign a [corporate CLA]
+    (http://code.google.com/legal/corporate-cla-v1.0.html).
+
+Follow either of the two links above to access the appropriate CLA and
+instructions for how to sign and return it. Once we receive it, we'll be able to
+accept your pull requests.
+
+## Contributing a Patch
+
+1. Sign a Contributor License Agreement, if you have not yet done so (see
+   details above).
+1. Create your change to the repo in question.
+    * Fork the desired repo, develop and test your code changes.
+    * Ensure that your code is clear and comprehensible.
+    * Ensure that your code has an appropriate set of unit tests which all pass.
+1. Submit a pull request.
+1. The repo owner will review your request. If it is approved, the change will
+   be merged. If it needs additional work, the repo owner will respond with
+   useful comments.
+
+## Contributing a New Sample App
+
+1. Sign a Contributor License Agreement, if you have not yet done so (see
+   details above).
+1. Create your own repo for your app following this naming convention:
+    * mirror-{app-name}-{language or plaform}
+    * apps: quickstart, photohunt-server, photohunt-client
+    * example:  mirror-quickstart-android
+    * For multi-language apps, concatenate the primary languages like this:
+      mirror-photohunt-server-java-python.
+
+1. Create your sample app in this repo.
+    * Be sure to clone the README.md, CONTRIBUTING.md and LICENSE files from the
+      googlesamples repo.
+    * Ensure that your code is clear and comprehensible.
+    * Ensure that your code has an appropriate set of unit tests which all pass.
+    * Instructional value is the top priority when evaluating new app proposals for
+      this collection of repos.
+1. Submit a request to fork your repo in googlesamples organization.
+1. The repo owner will review your request. If it is approved, the sample will
+   be merged. If it needs additional work, the repo owner will respond with 
+   useful comments.