diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/build.gradle b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/build.gradle
index b461fdf..945e1f5 100644
--- a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/build.gradle
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/build.gradle
@@ -1,14 +1,6 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 android {
     compileSdkVersion 18
-    buildToolsVersion "17.0.0"
+    buildToolsVersion "18.0.0"
 }
diff --git a/connectivity/bluetooth/BluetoothLeGatt/build.gradle b/connectivity/bluetooth/BluetoothLeGatt/build.gradle
index 495c503..036abc8 100644
--- a/connectivity/bluetooth/BluetoothLeGatt/build.gradle
+++ b/connectivity/bluetooth/BluetoothLeGatt/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/connectivity/network/BasicNetworkDemo/BasicNetworkDemo/build.gradle b/connectivity/network/BasicNetworkDemo/BasicNetworkDemo/build.gradle
index e3b2dce..0baece9 100644
--- a/connectivity/network/BasicNetworkDemo/BasicNetworkDemo/build.gradle
+++ b/connectivity/network/BasicNetworkDemo/BasicNetworkDemo/build.gradle
@@ -1,11 +1,3 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 dependencies {
@@ -13,6 +5,6 @@
 }
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/connectivity/network/BasicNetworkDemo/build.gradle b/connectivity/network/BasicNetworkDemo/build.gradle
index 495c503..036abc8 100644
--- a/connectivity/network/BasicNetworkDemo/build.gradle
+++ b/connectivity/network/BasicNetworkDemo/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/connectivity/network/NetworkConnect/NetworkConnect/build.gradle b/connectivity/network/NetworkConnect/NetworkConnect/build.gradle
index e3b2dce..0baece9 100644
--- a/connectivity/network/NetworkConnect/NetworkConnect/build.gradle
+++ b/connectivity/network/NetworkConnect/NetworkConnect/build.gradle
@@ -1,11 +1,3 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 dependencies {
@@ -13,6 +5,6 @@
 }
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/connectivity/network/NetworkConnect/build.gradle b/connectivity/network/NetworkConnect/build.gradle
index 495c503..036abc8 100644
--- a/connectivity/network/NetworkConnect/build.gradle
+++ b/connectivity/network/NetworkConnect/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/connectivity/sync/BasicSyncAdapter/BasicSyncAdapter/build.gradle b/connectivity/sync/BasicSyncAdapter/BasicSyncAdapter/build.gradle
index 555c6dc..e802f1b 100644
--- a/connectivity/sync/BasicSyncAdapter/BasicSyncAdapter/build.gradle
+++ b/connectivity/sync/BasicSyncAdapter/BasicSyncAdapter/build.gradle
@@ -1,11 +1,3 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 repositories {
@@ -18,6 +10,6 @@
 }
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/content/contacts/BasicContactables/BasicContactables/build.gradle b/content/contacts/BasicContactables/BasicContactables/build.gradle
index 3e3e430..0baece9 100644
--- a/content/contacts/BasicContactables/BasicContactables/build.gradle
+++ b/content/contacts/BasicContactables/BasicContactables/build.gradle
@@ -1,11 +1,3 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 dependencies {
@@ -14,5 +6,5 @@
 
 android {
     compileSdkVersion 18
-    buildToolsVersion "17.0.0"
+    buildToolsVersion "18.0.0"
 }
diff --git a/content/contacts/BasicContactables/build.gradle b/content/contacts/BasicContactables/build.gradle
index 495c503..036abc8 100644
--- a/content/contacts/BasicContactables/build.gradle
+++ b/content/contacts/BasicContactables/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/content/multiuser/AppRestrictions/AppRestrictions/build.gradle b/content/multiuser/AppRestrictions/AppRestrictions/build.gradle
index b461fdf..945e1f5 100644
--- a/content/multiuser/AppRestrictions/AppRestrictions/build.gradle
+++ b/content/multiuser/AppRestrictions/AppRestrictions/build.gradle
@@ -1,14 +1,6 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 android {
     compileSdkVersion 18
-    buildToolsVersion "17.0.0"
+    buildToolsVersion "18.0.0"
 }
diff --git a/content/multiuser/AppRestrictions/build.gradle b/content/multiuser/AppRestrictions/build.gradle
index 495c503..036abc8 100644
--- a/content/multiuser/AppRestrictions/build.gradle
+++ b/content/multiuser/AppRestrictions/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/input/gestures/BasicGestureDetect/BasicGestureDetect/build.gradle b/input/gestures/BasicGestureDetect/BasicGestureDetect/build.gradle
index e3b2dce..0baece9 100644
--- a/input/gestures/BasicGestureDetect/BasicGestureDetect/build.gradle
+++ b/input/gestures/BasicGestureDetect/BasicGestureDetect/build.gradle
@@ -1,11 +1,3 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 dependencies {
@@ -13,6 +5,6 @@
 }
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/input/gestures/BasicGestureDetect/build.gradle b/input/gestures/BasicGestureDetect/build.gradle
index 495c503..036abc8 100644
--- a/input/gestures/BasicGestureDetect/build.gradle
+++ b/input/gestures/BasicGestureDetect/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/input/multitouch/BasicMultitouch/BasicMultitouch/build.gradle b/input/multitouch/BasicMultitouch/BasicMultitouch/build.gradle
index f2eea5d..945e1f5 100644
--- a/input/multitouch/BasicMultitouch/BasicMultitouch/build.gradle
+++ b/input/multitouch/BasicMultitouch/BasicMultitouch/build.gradle
@@ -1,14 +1,6 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/input/multitouch/BasicMultitouch/build.gradle b/input/multitouch/BasicMultitouch/build.gradle
index 495c503..036abc8 100644
--- a/input/multitouch/BasicMultitouch/build.gradle
+++ b/input/multitouch/BasicMultitouch/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/media/BasicMediaRouter/BasicMediaRouter/build.gradle b/media/BasicMediaRouter/BasicMediaRouter/build.gradle
index f2eea5d..945e1f5 100644
--- a/media/BasicMediaRouter/BasicMediaRouter/build.gradle
+++ b/media/BasicMediaRouter/BasicMediaRouter/build.gradle
@@ -1,14 +1,6 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/media/BasicMediaRouter/build.gradle b/media/BasicMediaRouter/build.gradle
index 495c503..036abc8 100644
--- a/media/BasicMediaRouter/build.gradle
+++ b/media/BasicMediaRouter/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/security/keystore/BasicAndroidKeyStore/BasicAndroidKeyStore/build.gradle b/security/keystore/BasicAndroidKeyStore/BasicAndroidKeyStore/build.gradle
index 3e3e430..0baece9 100644
--- a/security/keystore/BasicAndroidKeyStore/BasicAndroidKeyStore/build.gradle
+++ b/security/keystore/BasicAndroidKeyStore/BasicAndroidKeyStore/build.gradle
@@ -1,11 +1,3 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 dependencies {
@@ -14,5 +6,5 @@
 
 android {
     compileSdkVersion 18
-    buildToolsVersion "17.0.0"
+    buildToolsVersion "18.0.0"
 }
diff --git a/security/keystore/BasicAndroidKeyStore/build.gradle b/security/keystore/BasicAndroidKeyStore/build.gradle
index 495c503..036abc8 100644
--- a/security/keystore/BasicAndroidKeyStore/build.gradle
+++ b/security/keystore/BasicAndroidKeyStore/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/ui/accessibility/BasicAccessibility/BasicAccessibility/build.gradle b/ui/accessibility/BasicAccessibility/BasicAccessibility/build.gradle
index e3b2dce..0baece9 100644
--- a/ui/accessibility/BasicAccessibility/BasicAccessibility/build.gradle
+++ b/ui/accessibility/BasicAccessibility/BasicAccessibility/build.gradle
@@ -1,11 +1,3 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 dependencies {
@@ -13,6 +5,6 @@
 }
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/ui/accessibility/BasicAccessibility/build.gradle b/ui/accessibility/BasicAccessibility/build.gradle
index 495c503..036abc8 100644
--- a/ui/accessibility/BasicAccessibility/build.gradle
+++ b/ui/accessibility/BasicAccessibility/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/ui/actionbar/DoneBar/DoneBar/build.gradle b/ui/actionbar/DoneBar/DoneBar/build.gradle
index f2eea5d..945e1f5 100644
--- a/ui/actionbar/DoneBar/DoneBar/build.gradle
+++ b/ui/actionbar/DoneBar/DoneBar/build.gradle
@@ -1,14 +1,6 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/ui/actionbar/DoneBar/build.gradle b/ui/actionbar/DoneBar/build.gradle
index 495c503..036abc8 100644
--- a/ui/actionbar/DoneBar/build.gradle
+++ b/ui/actionbar/DoneBar/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/ui/actionbarcompat/Basic/Basic/build.gradle b/ui/actionbarcompat/Basic/Basic/build.gradle
index 13f4f48..8e76487 100644
--- a/ui/actionbarcompat/Basic/Basic/build.gradle
+++ b/ui/actionbarcompat/Basic/Basic/build.gradle
@@ -1,11 +1,3 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 dependencies {
@@ -14,6 +6,6 @@
 }
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/ui/actionbarcompat/Basic/build.gradle b/ui/actionbarcompat/Basic/build.gradle
index 495c503..036abc8 100644
--- a/ui/actionbarcompat/Basic/build.gradle
+++ b/ui/actionbarcompat/Basic/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/ui/actionbarcompat/ListPopupMenu/ListPopupMenu/build.gradle b/ui/actionbarcompat/ListPopupMenu/ListPopupMenu/build.gradle
index 13f4f48..8e76487 100644
--- a/ui/actionbarcompat/ListPopupMenu/ListPopupMenu/build.gradle
+++ b/ui/actionbarcompat/ListPopupMenu/ListPopupMenu/build.gradle
@@ -1,11 +1,3 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 dependencies {
@@ -14,6 +6,6 @@
 }
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/ui/actionbarcompat/ListPopupMenu/build.gradle b/ui/actionbarcompat/ListPopupMenu/build.gradle
index 495c503..036abc8 100644
--- a/ui/actionbarcompat/ListPopupMenu/build.gradle
+++ b/ui/actionbarcompat/ListPopupMenu/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/ui/actionbarcompat/ShareActionProvider/ShareActionProvider/build.gradle b/ui/actionbarcompat/ShareActionProvider/ShareActionProvider/build.gradle
index 13f4f48..8e76487 100644
--- a/ui/actionbarcompat/ShareActionProvider/ShareActionProvider/build.gradle
+++ b/ui/actionbarcompat/ShareActionProvider/ShareActionProvider/build.gradle
@@ -1,11 +1,3 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 dependencies {
@@ -14,6 +6,6 @@
 }
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/ui/actionbarcompat/ShareActionProvider/build.gradle b/ui/actionbarcompat/ShareActionProvider/build.gradle
index 495c503..036abc8 100644
--- a/ui/actionbarcompat/ShareActionProvider/build.gradle
+++ b/ui/actionbarcompat/ShareActionProvider/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/ui/actionbarcompat/Styled/Styled/build.gradle b/ui/actionbarcompat/Styled/Styled/build.gradle
index 13f4f48..8e76487 100644
--- a/ui/actionbarcompat/Styled/Styled/build.gradle
+++ b/ui/actionbarcompat/Styled/Styled/build.gradle
@@ -1,11 +1,3 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 dependencies {
@@ -14,6 +6,6 @@
 }
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/ui/actionbarcompat/Styled/build.gradle b/ui/actionbarcompat/Styled/build.gradle
index 495c503..036abc8 100644
--- a/ui/actionbarcompat/Styled/build.gradle
+++ b/ui/actionbarcompat/Styled/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/ui/holo/BorderlessButtons/BorderlessButtons/build.gradle b/ui/holo/BorderlessButtons/BorderlessButtons/build.gradle
index f2eea5d..945e1f5 100644
--- a/ui/holo/BorderlessButtons/BorderlessButtons/build.gradle
+++ b/ui/holo/BorderlessButtons/BorderlessButtons/build.gradle
@@ -1,14 +1,6 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/ui/holo/BorderlessButtons/build.gradle b/ui/holo/BorderlessButtons/build.gradle
index f82180e..036abc8 100644
--- a/ui/holo/BorderlessButtons/build.gradle
+++ b/ui/holo/BorderlessButtons/build.gradle
@@ -1,2 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
-
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/ui/lists/CustomChoiceList/CustomChoiceList/build.gradle b/ui/lists/CustomChoiceList/CustomChoiceList/build.gradle
index f2eea5d..6083faa 100644
--- a/ui/lists/CustomChoiceList/CustomChoiceList/build.gradle
+++ b/ui/lists/CustomChoiceList/CustomChoiceList/build.gradle
@@ -1,14 +1,7 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
+
 apply plugin: 'android'
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/ui/lists/CustomChoiceList/build.gradle b/ui/lists/CustomChoiceList/build.gradle
index f82180e..036abc8 100644
--- a/ui/lists/CustomChoiceList/build.gradle
+++ b/ui/lists/CustomChoiceList/build.gradle
@@ -1,2 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
-
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/ui/notifications/BasicNotifications/BasicNotifications/build.gradle b/ui/notifications/BasicNotifications/BasicNotifications/build.gradle
index e3b2dce..0baece9 100644
--- a/ui/notifications/BasicNotifications/BasicNotifications/build.gradle
+++ b/ui/notifications/BasicNotifications/BasicNotifications/build.gradle
@@ -1,11 +1,3 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 dependencies {
@@ -13,6 +5,6 @@
 }
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/ui/notifications/BasicNotifications/build.gradle b/ui/notifications/BasicNotifications/build.gradle
index f82180e..036abc8 100644
--- a/ui/notifications/BasicNotifications/build.gradle
+++ b/ui/notifications/BasicNotifications/build.gradle
@@ -1,2 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
-
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/ui/views/HorizontalPaging/HorizontalPaging/build.gradle b/ui/views/HorizontalPaging/HorizontalPaging/build.gradle
index e3b2dce..0baece9 100644
--- a/ui/views/HorizontalPaging/HorizontalPaging/build.gradle
+++ b/ui/views/HorizontalPaging/HorizontalPaging/build.gradle
@@ -1,11 +1,3 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 dependencies {
@@ -13,6 +5,6 @@
 }
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/ui/views/HorizontalPaging/build.gradle b/ui/views/HorizontalPaging/build.gradle
index 495c503..036abc8 100644
--- a/ui/views/HorizontalPaging/build.gradle
+++ b/ui/views/HorizontalPaging/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}
diff --git a/ui/views/TextSwitcher/TextSwitcher/build.gradle b/ui/views/TextSwitcher/TextSwitcher/build.gradle
index e3b2dce..0baece9 100644
--- a/ui/views/TextSwitcher/TextSwitcher/build.gradle
+++ b/ui/views/TextSwitcher/TextSwitcher/build.gradle
@@ -1,11 +1,3 @@
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:0.5.+'
-    }
-}
 apply plugin: 'android'
 
 dependencies {
@@ -13,6 +5,6 @@
 }
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion "17.0.0"
+    compileSdkVersion 18
+    buildToolsVersion "18.0.0"
 }
diff --git a/ui/views/TextSwitcher/build.gradle b/ui/views/TextSwitcher/build.gradle
index 495c503..036abc8 100644
--- a/ui/views/TextSwitcher/build.gradle
+++ b/ui/views/TextSwitcher/build.gradle
@@ -1 +1,8 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.5.+'
+    }
+}