From b3429481cd9295f246ec57b1ed2f21d92590ec13 Mon Sep 17 00:00:00 2001
From: Grant Limberg <glimberg@gmail.com>
Date: Fri, 24 Apr 2015 17:04:08 -0700
Subject: [PATCH] update build instructions

Signed-off-by: Grant Limberg <glimberg@gmail.com>
---
 java/README.md | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/java/README.md b/java/README.md
index 107356910..2650ec3df 100644
--- a/java/README.md
+++ b/java/README.md
@@ -1,4 +1,17 @@
 ZeroTier One SDK - Android JNI Wrapper
 =====
 
-To Build:  <path to Android-ndk>/ndk-build ZT1=<path to ZeroTierOne root>
+
+Building
+-----
+
+Reqires:
+
+* JDK
+* ANT
+* Android NDK
+
+Required Environment Variables:
+
+* NDK\_BUILD\_LOC - Path do the ndk-build script in the Android NDK
+* ANDROID\_PLATFORM - path to the directory android.jar lives (on Windows: C:\Users\<username>\AppData\Local\Android\sdk\platforms\android-21)