diff --git a/android_app/app/app.iml b/android_app/app/app.iml
index 3fa63721..01e031b8 100644
--- a/android_app/app/app.iml
+++ b/android_app/app/app.iml
@@ -9,6 +9,7 @@
     <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" />
         <afterSyncTasks>
@@ -46,6 +47,7 @@
       <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/debug/shaders" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/res" type="java-test-resource" />
@@ -53,6 +55,7 @@
       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/assets" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/aidl" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/testDebug/jni" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/rs" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/shaders" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/res" type="java-resource" />
@@ -60,6 +63,7 @@
       <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/main/shaders" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/res" type="java-test-resource" />
@@ -67,6 +71,7 @@
       <sourceFolder url="file://$MODULE_DIR$/src/test/assets" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/aidl" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/jni" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/rs" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/shaders" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/res" type="java-test-resource" />
@@ -74,11 +79,11 @@
       <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" />
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/shaders" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/assets" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/blame" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/builds" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/classes" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental-classes" />
@@ -89,12 +94,12 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/instant-run-support" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/jniLibs" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifests" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/pre-dexed" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/reload-dex" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/restart-dex" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/shaders" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/split-apk" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/transforms" />
       <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
diff --git a/android_app/app/src/main/java/com/health/openscale/gui/MainActivity.java b/android_app/app/src/main/java/com/health/openscale/gui/MainActivity.java
index 398b26d3..dd0efbd6 100644
--- a/android_app/app/src/main/java/com/health/openscale/gui/MainActivity.java
+++ b/android_app/app/src/main/java/com/health/openscale/gui/MainActivity.java
@@ -149,7 +149,7 @@ public class MainActivity extends ActionBarActivity implements
 
 		if (id == R.id.action_general_settings) {
 			Intent intent = new Intent(this, SettingsActivity.class);
-			startActivityForResult(intent, 0);
+			startActivityForResult(intent, 1);
 			return true;
 		}
 
@@ -259,7 +259,15 @@ public class MainActivity extends ActionBarActivity implements
 	public void onTabReselected(ActionBar.Tab tab,
 			FragmentTransaction fragmentTransaction) {
 	}
-	
+
+	@Override
+	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+
+		if (requestCode == 1) {
+			mSectionsPagerAdapter.notifyDataSetChanged();
+		}
+	}
+
 	/**
 	 * A {@link FragmentPagerAdapter} that returns a fragment corresponding to
 	 * one of the sections/tabs/pages.
@@ -314,5 +322,19 @@ public class MainActivity extends ActionBarActivity implements
 			}
 			return null;
 		}
+
+		@Override
+		public int getItemPosition(Object object) {
+			return POSITION_NONE;
+		}
+
+		@Override
+        public void notifyDataSetChanged() {
+			super.notifyDataSetChanged();
+
+            tableFrag = new TableFragment();
+            graphFrag = new GraphFragment();
+            overviewFrag = new OverviewFragment();
+        }
 	}
 }
diff --git a/android_app/app/src/main/java/com/health/openscale/gui/SettingsActivity.java b/android_app/app/src/main/java/com/health/openscale/gui/SettingsActivity.java
index ccb75b72..a582241b 100644
--- a/android_app/app/src/main/java/com/health/openscale/gui/SettingsActivity.java
+++ b/android_app/app/src/main/java/com/health/openscale/gui/SettingsActivity.java
@@ -36,7 +36,7 @@ public class SettingsActivity extends PreferenceActivity {
     }
 
     @Override
-    protected boolean isValidFragment (String fragmentName) {
+    protected boolean isValidFragment(String fragmentName) {
         return fragments.contains(fragmentName);
     }
 }