diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
deleted file mode 100644
index c79ad1a69..000000000
--- a/.idea/codeStyles/Project.xml
+++ /dev/null
@@ -1,535 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <code_scheme name="Project" version="173">
-    <option name="OTHER_INDENT_OPTIONS">
-      <value>
-        <option name="INDENT_SIZE" value="2" />
-        <option name="CONTINUATION_INDENT_SIZE" value="4" />
-        <option name="TAB_SIZE" value="2" />
-      </value>
-    </option>
-    <AndroidXmlCodeStyleSettings>
-      <option name="LAYOUT_SETTINGS">
-        <value>
-          <option name="INSERT_BLANK_LINE_BEFORE_TAG" value="false" />
-        </value>
-      </option>
-    </AndroidXmlCodeStyleSettings>
-    <JavaCodeStyleSettings>
-      <option name="INSERT_INNER_CLASS_IMPORTS" value="true" />
-      <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="999" />
-      <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="999" />
-      <option name="IMPORT_LAYOUT_TABLE">
-        <value>
-          <package name="" withSubpackages="true" static="true" />
-          <emptyLine />
-          <package name="" withSubpackages="true" static="false" />
-        </value>
-      </option>
-      <option name="JD_ALIGN_PARAM_COMMENTS" value="false" />
-      <option name="JD_ALIGN_EXCEPTION_COMMENTS" value="false" />
-      <option name="JD_P_AT_EMPTY_LINES" value="false" />
-      <option name="JD_KEEP_EMPTY_PARAMETER" value="false" />
-      <option name="JD_KEEP_EMPTY_EXCEPTION" value="false" />
-      <option name="JD_KEEP_EMPTY_RETURN" value="false" />
-    </JavaCodeStyleSettings>
-    <Objective-C>
-      <option name="INDENT_NAMESPACE_MEMBERS" value="0" />
-      <option name="INDENT_C_STRUCT_MEMBERS" value="2" />
-      <option name="INDENT_CLASS_MEMBERS" value="2" />
-      <option name="INDENT_VISIBILITY_KEYWORDS" value="1" />
-      <option name="INDENT_INSIDE_CODE_BLOCK" value="2" />
-      <option name="KEEP_STRUCTURES_IN_ONE_LINE" value="true" />
-      <option name="FUNCTION_PARAMETERS_WRAP" value="5" />
-      <option name="FUNCTION_CALL_ARGUMENTS_WRAP" value="5" />
-      <option name="TEMPLATE_CALL_ARGUMENTS_WRAP" value="5" />
-      <option name="TEMPLATE_CALL_ARGUMENTS_ALIGN_MULTILINE" value="true" />
-      <option name="ALIGN_INIT_LIST_IN_COLUMNS" value="false" />
-      <option name="SPACE_BEFORE_SUPERCLASS_COLON" value="false" />
-    </Objective-C>
-    <Objective-C-extensions>
-      <extensions>
-        <pair source="cc" header="h" fileNamingConvention="NONE" />
-        <pair source="c" header="h" fileNamingConvention="NONE" />
-      </extensions>
-    </Objective-C-extensions>
-    <XML>
-      <option name="XML_LEGACY_SETTINGS_IMPORTED" value="true" />
-    </XML>
-    <codeStyleSettings language="CSS">
-      <indentOptions>
-        <option name="INDENT_SIZE" value="2" />
-        <option name="CONTINUATION_INDENT_SIZE" value="4" />
-        <option name="TAB_SIZE" value="2" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="ECMA Script Level 4">
-      <option name="KEEP_BLANK_LINES_IN_CODE" value="1" />
-      <option name="ALIGN_MULTILINE_PARAMETERS" value="false" />
-      <option name="ALIGN_MULTILINE_FOR" value="false" />
-      <option name="CALL_PARAMETERS_WRAP" value="1" />
-      <option name="METHOD_PARAMETERS_WRAP" value="1" />
-      <option name="EXTENDS_LIST_WRAP" value="1" />
-      <option name="BINARY_OPERATION_WRAP" value="1" />
-      <option name="BINARY_OPERATION_SIGN_ON_NEXT_LINE" value="true" />
-      <option name="TERNARY_OPERATION_WRAP" value="1" />
-      <option name="TERNARY_OPERATION_SIGNS_ON_NEXT_LINE" value="true" />
-      <option name="FOR_STATEMENT_WRAP" value="1" />
-      <option name="ARRAY_INITIALIZER_WRAP" value="1" />
-      <option name="IF_BRACE_FORCE" value="3" />
-      <option name="DOWHILE_BRACE_FORCE" value="3" />
-      <option name="WHILE_BRACE_FORCE" value="3" />
-      <option name="FOR_BRACE_FORCE" value="3" />
-      <option name="PARENT_SETTINGS_INSTALLED" value="true" />
-    </codeStyleSettings>
-    <codeStyleSettings language="HTML">
-      <indentOptions>
-        <option name="INDENT_SIZE" value="2" />
-        <option name="CONTINUATION_INDENT_SIZE" value="4" />
-        <option name="TAB_SIZE" value="2" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="JAVA">
-      <option name="KEEP_CONTROL_STATEMENT_IN_ONE_LINE" value="false" />
-      <option name="KEEP_BLANK_LINES_IN_CODE" value="1" />
-      <option name="BLANK_LINES_BEFORE_PACKAGE" value="1" />
-      <option name="BLANK_LINES_AFTER_CLASS_HEADER" value="1" />
-      <option name="ALIGN_MULTILINE_PARAMETERS" value="false" />
-      <option name="ALIGN_MULTILINE_RESOURCES" value="false" />
-      <option name="ALIGN_MULTILINE_FOR" value="false" />
-      <option name="CALL_PARAMETERS_WRAP" value="1" />
-      <option name="METHOD_PARAMETERS_WRAP" value="1" />
-      <option name="EXTENDS_LIST_WRAP" value="1" />
-      <option name="THROWS_KEYWORD_WRAP" value="1" />
-      <option name="METHOD_CALL_CHAIN_WRAP" value="1" />
-      <option name="BINARY_OPERATION_WRAP" value="1" />
-      <option name="BINARY_OPERATION_SIGN_ON_NEXT_LINE" value="true" />
-      <option name="TERNARY_OPERATION_WRAP" value="1" />
-      <option name="TERNARY_OPERATION_SIGNS_ON_NEXT_LINE" value="true" />
-      <option name="FOR_STATEMENT_WRAP" value="1" />
-      <option name="ARRAY_INITIALIZER_WRAP" value="1" />
-      <option name="WRAP_COMMENTS" value="true" />
-      <option name="IF_BRACE_FORCE" value="3" />
-      <option name="DOWHILE_BRACE_FORCE" value="3" />
-      <option name="WHILE_BRACE_FORCE" value="3" />
-      <option name="FOR_BRACE_FORCE" value="3" />
-      <indentOptions>
-        <option name="INDENT_SIZE" value="2" />
-        <option name="CONTINUATION_INDENT_SIZE" value="4" />
-        <option name="TAB_SIZE" value="2" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="JSON">
-      <indentOptions>
-        <option name="CONTINUATION_INDENT_SIZE" value="4" />
-        <option name="TAB_SIZE" value="2" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="JavaScript">
-      <option name="RIGHT_MARGIN" value="80" />
-      <option name="KEEP_BLANK_LINES_IN_CODE" value="1" />
-      <option name="ALIGN_MULTILINE_PARAMETERS" value="false" />
-      <option name="ALIGN_MULTILINE_FOR" value="false" />
-      <option name="CALL_PARAMETERS_WRAP" value="1" />
-      <option name="METHOD_PARAMETERS_WRAP" value="1" />
-      <option name="BINARY_OPERATION_WRAP" value="1" />
-      <option name="BINARY_OPERATION_SIGN_ON_NEXT_LINE" value="true" />
-      <option name="TERNARY_OPERATION_WRAP" value="1" />
-      <option name="TERNARY_OPERATION_SIGNS_ON_NEXT_LINE" value="true" />
-      <option name="FOR_STATEMENT_WRAP" value="1" />
-      <option name="ARRAY_INITIALIZER_WRAP" value="1" />
-      <option name="IF_BRACE_FORCE" value="3" />
-      <option name="DOWHILE_BRACE_FORCE" value="3" />
-      <option name="WHILE_BRACE_FORCE" value="3" />
-      <option name="FOR_BRACE_FORCE" value="3" />
-      <option name="PARENT_SETTINGS_INSTALLED" value="true" />
-      <indentOptions>
-        <option name="INDENT_SIZE" value="2" />
-        <option name="TAB_SIZE" value="2" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="ObjectiveC">
-      <option name="KEEP_BLANK_LINES_BEFORE_RBRACE" value="1" />
-      <option name="BLANK_LINES_BEFORE_IMPORTS" value="0" />
-      <option name="BLANK_LINES_AFTER_IMPORTS" value="0" />
-      <option name="BLANK_LINES_AROUND_CLASS" value="0" />
-      <option name="BLANK_LINES_AROUND_METHOD" value="0" />
-      <option name="BLANK_LINES_AROUND_METHOD_IN_INTERFACE" value="0" />
-      <option name="ALIGN_MULTILINE_BINARY_OPERATION" value="false" />
-      <option name="BINARY_OPERATION_SIGN_ON_NEXT_LINE" value="true" />
-      <option name="FOR_STATEMENT_WRAP" value="1" />
-      <option name="ASSIGNMENT_WRAP" value="1" />
-      <indentOptions>
-        <option name="INDENT_SIZE" value="2" />
-        <option name="CONTINUATION_INDENT_SIZE" value="4" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="PROTO">
-      <option name="RIGHT_MARGIN" value="80" />
-      <indentOptions>
-        <option name="INDENT_SIZE" value="2" />
-        <option name="CONTINUATION_INDENT_SIZE" value="2" />
-        <option name="TAB_SIZE" value="2" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="Python">
-      <option name="KEEP_BLANK_LINES_IN_CODE" value="1" />
-      <option name="RIGHT_MARGIN" value="80" />
-      <option name="ALIGN_MULTILINE_PARAMETERS" value="false" />
-      <option name="PARENT_SETTINGS_INSTALLED" value="true" />
-      <indentOptions>
-        <option name="INDENT_SIZE" value="2" />
-        <option name="CONTINUATION_INDENT_SIZE" value="4" />
-        <option name="TAB_SIZE" value="2" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="SASS">
-      <indentOptions>
-        <option name="CONTINUATION_INDENT_SIZE" value="4" />
-        <option name="TAB_SIZE" value="2" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="SCSS">
-      <indentOptions>
-        <option name="CONTINUATION_INDENT_SIZE" value="4" />
-        <option name="TAB_SIZE" value="2" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="TypeScript">
-      <indentOptions>
-        <option name="INDENT_SIZE" value="2" />
-        <option name="TAB_SIZE" value="2" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="XML">
-      <indentOptions>
-        <option name="INDENT_SIZE" value="2" />
-        <option name="CONTINUATION_INDENT_SIZE" value="2" />
-        <option name="TAB_SIZE" value="2" />
-      </indentOptions>
-      <arrangement>
-        <rules>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>xmlns:android</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>xmlns:.*</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:id</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>style</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:.*Style</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:layout_width</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:layout_height</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:layout_weight</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:layout_margin</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:layout_marginTop</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:layout_marginBottom</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:layout_marginStart</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:layout_marginEnd</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:layout_marginLeft</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:layout_marginRight</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:layout_.*</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:padding</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:paddingTop</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:paddingBottom</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:paddingStart</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:paddingEnd</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:paddingLeft</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:paddingRight</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*</NAME>
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*</NAME>
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res-auto</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*</NAME>
-                  <XML_NAMESPACE>http://schemas.android.com/tools</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*</NAME>
-                  <XML_NAMESPACE>.*</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-        </rules>
-      </arrangement>
-    </codeStyleSettings>
-    <codeStyleSettings language="protobuf">
-      <option name="RIGHT_MARGIN" value="80" />
-      <indentOptions>
-        <option name="INDENT_SIZE" value="2" />
-        <option name="CONTINUATION_INDENT_SIZE" value="2" />
-        <option name="TAB_SIZE" value="2" />
-      </indentOptions>
-    </codeStyleSettings>
-  </code_scheme>
-</component>
\ No newline at end of file
diff --git a/build.gradle.kts b/build.gradle.kts
index 074aff5fa..b7bde12cd 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -6,7 +6,7 @@ buildscript {
     }
 
     dependencies {
-        classpath("com.android.tools.build:gradle:3.5.1")
+        classpath("com.android.tools.build:gradle:3.5.2")
         classpath("com.google.gms:google-services:4.3.2")
         // https://docs.fabric.io/android/changelog.html#fabric-gradle-plugin
         classpath("io.fabric.tools:gradle:1.31.0")
diff --git a/ical4android b/ical4android
index d80fa966a..d9cc8a8ba 160000
--- a/ical4android
+++ b/ical4android
@@ -1 +1 @@
-Subproject commit d80fa966a776023d25d217c92315978440da4408
+Subproject commit d9cc8a8bac88abc53b52a283678e4c20538c7a27