diff --git a/examples/android/helloworld/build.gradle b/examples/android/helloworld/build.gradle
index fb848656bc..d5cf08626b 100644
--- a/examples/android/helloworld/build.gradle
+++ b/examples/android/helloworld/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.5.0'
+        classpath 'com.android.tools.build:gradle:2.2.0'
         classpath "com.google.protobuf:protobuf-gradle-plugin:0.8.0"
 
         // NOTE: Do not place your application dependencies here; they belong
diff --git a/examples/android/helloworld/gradle/wrapper/gradle-wrapper.jar b/examples/android/helloworld/gradle/wrapper/gradle-wrapper.jar
index d3b83982b9..d6e2637aff 100644
Binary files a/examples/android/helloworld/gradle/wrapper/gradle-wrapper.jar and b/examples/android/helloworld/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/examples/android/helloworld/gradle/wrapper/gradle-wrapper.properties b/examples/android/helloworld/gradle/wrapper/gradle-wrapper.properties
index b650d3277e..30073c3a44 100644
--- a/examples/android/helloworld/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/android/helloworld/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Thu Aug 04 09:54:23 PDT 2016
+#Wed Nov 16 15:29:01 PST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.2-bin.zip
diff --git a/examples/android/helloworld/gradlew b/examples/android/helloworld/gradlew
index 27309d9231..4ef3a871f2 100755
--- a/examples/android/helloworld/gradlew
+++ b/examples/android/helloworld/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -154,11 +154,18 @@ if $cygwin ; then
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
-}
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+# Escape application args
+for s in "${@}" ; do
+    s=\"$s\"
+    APP_ARGS=$APP_ARGS" "$s
+done
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- "$DEFAULT_JVM_OPTS" "$JAVA_OPTS" "$GRADLE_OPTS" "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/examples/android/helloworld/gradlew.bat b/examples/android/helloworld/gradlew.bat
index f6d5974e72..e95643d6a2 100644
--- a/examples/android/helloworld/gradlew.bat
+++ b/examples/android/helloworld/gradlew.bat
@@ -49,7 +49,6 @@ goto fail
 @rem Get command-line arguments, handling Windows variants
 
 if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
 
 :win9xME_args
 @rem Slurp the command line arguments.
@@ -60,11 +59,6 @@ set _SKIP=2
 if "x%~1" == "x" goto execute
 
 set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
 
 :execute
 @rem Setup the command line
diff --git a/examples/android/routeguide/build.gradle b/examples/android/routeguide/build.gradle
index 1489334776..a29e50ef8c 100644
--- a/examples/android/routeguide/build.gradle
+++ b/examples/android/routeguide/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.2'
+        classpath 'com.android.tools.build:gradle:2.2.0'
         classpath "com.google.protobuf:protobuf-gradle-plugin:0.8.0"
 
         // NOTE: Do not place your application dependencies here; they belong
diff --git a/examples/android/routeguide/gradle/wrapper/gradle-wrapper.jar b/examples/android/routeguide/gradle/wrapper/gradle-wrapper.jar
index d3b83982b9..d6e2637aff 100644
Binary files a/examples/android/routeguide/gradle/wrapper/gradle-wrapper.jar and b/examples/android/routeguide/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/examples/android/routeguide/gradle/wrapper/gradle-wrapper.properties b/examples/android/routeguide/gradle/wrapper/gradle-wrapper.properties
index b650d3277e..e15796cb39 100644
--- a/examples/android/routeguide/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/android/routeguide/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Thu Aug 04 09:54:23 PDT 2016
+#Wed Nov 16 15:29:19 PST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.2-bin.zip
diff --git a/examples/android/routeguide/gradlew b/examples/android/routeguide/gradlew
index 27309d9231..4ef3a871f2 100755
--- a/examples/android/routeguide/gradlew
+++ b/examples/android/routeguide/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -154,11 +154,18 @@ if $cygwin ; then
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
-}
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+# Escape application args
+for s in "${@}" ; do
+    s=\"$s\"
+    APP_ARGS=$APP_ARGS" "$s
+done
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- "$DEFAULT_JVM_OPTS" "$JAVA_OPTS" "$GRADLE_OPTS" "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/examples/android/routeguide/gradlew.bat b/examples/android/routeguide/gradlew.bat
index f6d5974e72..e95643d6a2 100644
--- a/examples/android/routeguide/gradlew.bat
+++ b/examples/android/routeguide/gradlew.bat
@@ -49,7 +49,6 @@ goto fail
 @rem Get command-line arguments, handling Windows variants
 
 if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
 
 :win9xME_args
 @rem Slurp the command line arguments.
@@ -60,11 +59,6 @@ set _SKIP=2
 if "x%~1" == "x" goto execute
 
 set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
 
 :execute
 @rem Setup the command line
diff --git a/examples/gradle/wrapper/gradle-wrapper.jar b/examples/gradle/wrapper/gradle-wrapper.jar
index d3b83982b9..d6e2637aff 100644
Binary files a/examples/gradle/wrapper/gradle-wrapper.jar and b/examples/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/examples/gradle/wrapper/gradle-wrapper.properties b/examples/gradle/wrapper/gradle-wrapper.properties
index b650d3277e..48b5ceea3b 100644
--- a/examples/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Thu Aug 04 09:54:23 PDT 2016
+#Wed Nov 16 15:32:41 PST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.2-bin.zip
diff --git a/examples/gradlew b/examples/gradlew
index 27309d9231..4ef3a871f2 100755
--- a/examples/gradlew
+++ b/examples/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -154,11 +154,18 @@ if $cygwin ; then
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
-}
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+# Escape application args
+for s in "${@}" ; do
+    s=\"$s\"
+    APP_ARGS=$APP_ARGS" "$s
+done
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- "$DEFAULT_JVM_OPTS" "$JAVA_OPTS" "$GRADLE_OPTS" "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/examples/gradlew.bat b/examples/gradlew.bat
index f6d5974e72..e95643d6a2 100644
--- a/examples/gradlew.bat
+++ b/examples/gradlew.bat
@@ -49,7 +49,6 @@ goto fail
 @rem Get command-line arguments, handling Windows variants
 
 if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
 
 :win9xME_args
 @rem Slurp the command line arguments.
@@ -60,11 +59,6 @@ set _SKIP=2
 if "x%~1" == "x" goto execute
 
 set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
 
 :execute
 @rem Setup the command line
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index d3b83982b9..d6e2637aff 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index b650d3277e..17b2993f7f 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Thu Aug 04 09:54:23 PDT 2016
+#Wed Nov 16 15:29:58 PST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.2-bin.zip
diff --git a/gradlew b/gradlew
index 27309d9231..4ef3a871f2 100755
--- a/gradlew
+++ b/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -154,11 +154,18 @@ if $cygwin ; then
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
-}
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+# Escape application args
+for s in "${@}" ; do
+    s=\"$s\"
+    APP_ARGS=$APP_ARGS" "$s
+done
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- "$DEFAULT_JVM_OPTS" "$JAVA_OPTS" "$GRADLE_OPTS" "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
index f6d5974e72..e95643d6a2 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -49,7 +49,6 @@ goto fail
 @rem Get command-line arguments, handling Windows variants
 
 if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
 
 :win9xME_args
 @rem Slurp the command line arguments.
@@ -60,11 +59,6 @@ set _SKIP=2
 if "x%~1" == "x" goto execute
 
 set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
 
 :execute
 @rem Setup the command line