diff --git a/android/.gitignore b/android/.gitignore
index a881469..46e2cab 100644
--- a/android/.gitignore
+++ b/android/.gitignore
@@ -4,3 +4,4 @@
 .DS_Store
 /build
 /captures
+**/*.iml
diff --git a/android/Reader.iml b/android/Reader.iml
deleted file mode 100644
index 7e17f11..0000000
--- a/android/Reader.iml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.id="Reader" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
-  <component name="FacetManager">
-    <facet type="java-gradle" name="Java-Gradle">
-      <configuration>
-        <option name="BUILD_FOLDER_PATH" value="$MODULE_DIR$/build" />
-        <option name="BUILDABLE" value="false" />
-      </configuration>
-    </facet>
-  </component>
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$">
-      <excludeFolder url="file://$MODULE_DIR$/.gradle" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/android/android.iml b/android/android.iml
deleted file mode 100644
index d16e6dc..0000000
--- a/android/android.iml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.id="android" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
-  <component name="FacetManager">
-    <facet type="java-gradle" name="Java-Gradle">
-      <configuration>
-        <option name="BUILD_FOLDER_PATH" value="$MODULE_DIR$/build" />
-        <option name="BUILDABLE" value="false" />
-      </configuration>
-    </facet>
-  </component>
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$">
-      <excludeFolder url="file://$MODULE_DIR$/.gradle" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/android/app/app.iml b/android/app/app.iml
deleted file mode 100644
index 027b640..0000000
--- a/android/app/app.iml
+++ /dev/null
@@ -1,107 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.id=":app" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/.." external.system.id="GRADLE" external.system.module.group="android" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
-  <component name="FacetManager">
-    <facet type="android-gradle" name="Android-Gradle">
-      <configuration>
-        <option name="GRADLE_PROJECT_PATH" value=":app" />
-      </configuration>
-    </facet>
-    <facet type="android" name="Android">
-      <configuration>
-        <option name="SELECTED_BUILD_VARIANT" value="debug" />
-        <option name="SELECTED_TEST_ARTIFACT" value="_android_test_" />
-        <option name="ASSEMBLE_TASK_NAME" value="assembleDebug" />
-        <option name="COMPILE_JAVA_TASK_NAME" value="compileDebugSources" />
-        <option name="ASSEMBLE_TEST_TASK_NAME" value="assembleDebugAndroidTest" />
-        <option name="COMPILE_JAVA_TEST_TASK_NAME" value="compileDebugAndroidTestSources" />
-        <afterSyncTasks>
-          <task>generateDebugAndroidTestSources</task>
-          <task>generateDebugSources</task>
-        </afterSyncTasks>
-        <option name="ALLOW_USER_CONFIGURATION" value="false" />
-        <option name="MANIFEST_FILE_RELATIVE_PATH" value="/src/main/AndroidManifest.xml" />
-        <option name="RES_FOLDER_RELATIVE_PATH" value="/src/main/res" />
-        <option name="RES_FOLDERS_RELATIVE_PATH" value="file://$MODULE_DIR$/src/main/res" />
-        <option name="ASSETS_FOLDER_RELATIVE_PATH" value="/src/main/assets" />
-      </configuration>
-    </facet>
-  </component>
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="false">
-    <output url="file://$MODULE_DIR$/build/intermediates/classes/debug" />
-    <output-test url="file://$MODULE_DIR$/build/intermediates/classes/androidTest/debug" />
-    <exclude-output />
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/r/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/aidl/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/debug" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/build/generated/res/resValues/debug" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/r/androidTest/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/aidl/androidTest/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/androidTest/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/androidTest/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/androidTest/debug" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/build/generated/res/resValues/androidTest/debug" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/res" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/resources" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/assets" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/aidl" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/java" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/jni" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/rs" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/res" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/assets" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/aidl" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/jni" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/rs" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/res" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/resources" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/assets" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/aidl" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/java" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/assets" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/bundles" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/classes" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/coverage-instrumented-classes" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex-cache" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/cardview-v7/21.0.3/jars" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/recyclerview-v7/21.0.3/jars" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-v4/21.0.3/jars" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.joanzapata.pdfview/android-pdfview/1.0.4/jars" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/io.v/vanadium-android/0.1-SNAPSHOT/jars" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/jacoco" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/javaResources" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/libs" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/lint" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifests" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/ndk" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/pre-dexed" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/proguard" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />
-      <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
-      <excludeFolder url="file://$MODULE_DIR$/build/tmp" />
-      <excludeFolder url="file://$MODULE_DIR$/build/vdltool" />
-    </content>
-    <orderEntry type="jdk" jdkName="Android API 21 Platform" jdkType="Android SDK" />
-    <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" exported="" name="guava-18.0" level="project" />
-    <orderEntry type="library" exported="" name="joda-time-2.7" level="project" />
-    <orderEntry type="library" exported="" name="recyclerview-v7-21.0.3" level="project" />
-    <orderEntry type="library" exported="" name="support-v4-21.0.3" level="project" />
-    <orderEntry type="library" exported="" name="android-pdfview-1.0.4" level="project" />
-    <orderEntry type="library" exported="" name="support-annotations-21.0.3" level="project" />
-    <orderEntry type="library" exported="" name="vanadium-0.1-SNAPSHOT" level="project" />
-    <orderEntry type="library" exported="" name="vanadium-android-0.1-SNAPSHOT" level="project" />
-    <orderEntry type="library" exported="" name="cardview-v7-21.0.3" level="project" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/android/app/src/main/java/io/v/android/apps/reader/SyncbaseDB.java b/android/app/src/main/java/io/v/android/apps/reader/SyncbaseDB.java
index c49c684..281fcba 100644
--- a/android/app/src/main/java/io/v/android/apps/reader/SyncbaseDB.java
+++ b/android/app/src/main/java/io/v/android/apps/reader/SyncbaseDB.java
@@ -25,6 +25,7 @@
 import io.v.v23.security.BlessingPattern;
 import io.v.v23.security.Blessings;
 import io.v.v23.security.VPrincipal;
+import io.v.v23.security.VSecurity;
 import io.v.v23.security.access.AccessList;
 import io.v.v23.security.access.Constants;
 import io.v.v23.security.access.Permissions;
@@ -134,7 +135,7 @@
             VPrincipal p = V.getPrincipal(vContext);
             p.blessingStore().setDefaultBlessings(blessings);
             p.blessingStore().set(blessings, new BlessingPattern("..."));
-            p.addToRoots(blessings);
+            VSecurity.addToRoots(p, blessings);
         } catch (VException e) {
             handleError(String.format(
                     "Couldn't set local blessing %s: %s", blessings, e.getMessage()));