diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 7edc301..6e61e40 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -15,18 +15,9 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="e373569e-ee9b-4412-b2d3-a86c151abae2" name="Default" comment="">
-      <change afterPath="$PROJECT_DIR$/app/src/main/res/values/dimens.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/app/src/main/res/values/styles.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/libraries/Gradle__net_studymongolian_mongol_library_1_16_4.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/libraries/Gradle__net_studymongolian_mongol_library_1_16_5.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/app.iml" beforeDir="false" afterPath="$PROJECT_DIR$/app/app.iml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/build.gradle" beforeDir="false" afterPath="$PROJECT_DIR$/app/build.gradle" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/ChimeeInputMethodService.java" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/ChimeeInputMethodService.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/res/layout/activity_add_edit_message.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/layout/activity_add_edit_message.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/res/layout/activity_main.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/layout/activity_main.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/res/layout/activity_save.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/layout/activity_save.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/res/layout/system_keyboard.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/layout/system_keyboard.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/res/values/color.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/values/color.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/res/layout/activity_open.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/layout/activity_open.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/res/layout/dialog_color_chooser.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/layout/dialog_color_chooser.xml" afterDir="false" />
     </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="TRACKING_ENABLED" value="true" />
@@ -49,16 +40,7 @@
   </component>
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-      <file leaf-file-name="ChimeeInputMethodService.java" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/ChimeeInputMethodService.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="270">
-              <caret line="29" column="91" selection-start-line="29" selection-start-column="91" selection-end-line="29" selection-end-column="91" />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="build.gradle" pinned="false" current-in-tab="true">
+      <file leaf-file-name="build.gradle" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/app/build.gradle">
           <provider selected="true" editor-type-id="text-editor">
             <state relative-caret-position="150">
@@ -67,50 +49,75 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="themes.xml" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/app/src/main/res/values/themes.xml">
+      <file leaf-file-name="OpenActivity.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/OpenActivity.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="195">
-              <caret line="13" column="12" selection-start-line="13" selection-start-column="12" selection-end-line="13" selection-end-column="12" />
+            <state relative-caret-position="225">
+              <caret line="30" column="42" selection-start-line="30" selection-start-column="42" selection-end-line="30" selection-end-column="42" />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="ImeContainer.java" pinned="false" current-in-tab="false">
-        <entry file="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/net.studymongolian/mongol-library/1.16.4/821cd73304bc7cd7399b48105c2e6e1ef8ea6321/mongol-library-1.16.4-sources.jar!/net/studymongolian/mongollibrary/ImeContainer.java">
+      <file leaf-file-name="activity_open.xml" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/src/main/res/layout/activity_open.xml">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="5190">
-              <caret line="367" selection-start-line="367" selection-end-line="367" />
+            <state relative-caret-position="256">
+              <caret line="45" column="44" selection-start-line="45" selection-start-column="44" selection-end-line="45" selection-end-column="44" />
               <folding>
-                <element signature="e#15288#15289#0" expanded="true" />
+                <element signature="e#1906#1949#0" expanded="true" />
               </folding>
             </state>
           </provider>
+          <provider editor-type-id="android-designer2">
+            <state />
+          </provider>
         </entry>
       </file>
-      <file leaf-file-name="color.xml" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/app/src/main/res/values/color.xml">
+      <file leaf-file-name="FontChooserDialogFragment.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/FontChooserDialogFragment.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="259">
-              <caret line="22" column="68" selection-start-line="22" selection-start-column="68" selection-end-line="22" selection-end-column="68" />
+            <state relative-caret-position="84">
+              <caret line="44" column="58" selection-start-line="44" selection-start-column="58" selection-end-line="44" selection-end-column="58" />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="MainActivity.java" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/MainActivity.java">
+      <file leaf-file-name="dialog_font_chooser.xml" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/src/main/res/layout/dialog_font_chooser.xml">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="366">
-              <caret line="132" selection-start-line="132" selection-end-line="132" />
+            <state />
+          </provider>
+          <provider editor-type-id="android-designer2">
+            <state />
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="ColorChooserDialogFragment.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/ColorChooserDialogFragment.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="295">
+              <caret line="74" column="61" selection-start-line="74" selection-start-column="61" selection-end-line="74" selection-end-column="61" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="dialog_color_chooser.xml" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/app/src/main/res/layout/dialog_color_chooser.xml">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="315">
+              <caret line="21" column="23" selection-start-line="21" selection-start-column="23" selection-end-line="21" selection-end-column="23" />
             </state>
           </provider>
+          <provider editor-type-id="android-designer2">
+            <state />
+          </provider>
         </entry>
       </file>
       <file leaf-file-name="activity_main.xml" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/app/src/main/res/layout/activity_main.xml">
           <provider selected="true" editor-type-id="text-editor">
             <state relative-caret-position="236">
-              <caret line="77" column="19" lean-forward="true" selection-start-line="77" selection-start-column="19" selection-end-line="77" selection-end-column="19" />
+              <caret line="77" column="19" selection-start-line="77" selection-start-column="19" selection-end-line="77" selection-end-column="19" />
               <folding>
                 <element signature="e#2360#2403#0" expanded="true" />
                 <element signature="e#2898#2926#0" expanded="true" />
@@ -2469,12 +2476,10 @@
   <component name="IdeDocumentHistory">
     <option name="CHANGED_PATHS">
       <list>
-        <option value="$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/GraphicUtils.java" />
         <option value="$PROJECT_DIR$/app/src/main/res/layout/activity_photo_overlay.xml" />
         <option value="$PROJECT_DIR$/app/src/main/res/xml/progress.xml" />
         <option value="$PROJECT_DIR$/app/src/main/res/layout/dialog_spinner.xml" />
         <option value="$PROJECT_DIR$/app/src/main/res/drawable/progress.xml" />
-        <option value="$PROJECT_DIR$/app/src/main/res/layout/activity_open.xml" />
         <option value="$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/AboutActivity.java" />
         <option value="$PROJECT_DIR$/app/src/main/res/layout/system_keyboard.xml" />
         <option value="$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/CodeConverterActivity.java" />
@@ -2520,6 +2525,8 @@
         <option value="$PROJECT_DIR$/app/src/main/res/values/dimens.xml" />
         <option value="$PROJECT_DIR$/app/src/main/res/layout/activity_main.xml" />
         <option value="$PROJECT_DIR$/app/build.gradle" />
+        <option value="$PROJECT_DIR$/app/src/main/res/layout/activity_open.xml" />
+        <option value="$PROJECT_DIR$/app/src/main/res/layout/dialog_color_chooser.xml" />
       </list>
     </option>
   </component>
@@ -2788,13 +2795,6 @@
       <option name="presentableId" value="Default" />
       <updated>1525155675484</updated>
     </task>
-    <task id="LOCAL-00033" summary="fixes and new work">
-      <created>1536575407651</created>
-      <option name="number" value="00033" />
-      <option name="presentableId" value="LOCAL-00033" />
-      <option name="project" value="LOCAL" />
-      <updated>1536575407651</updated>
-    </task>
     <task id="LOCAL-00034" summary="history finished">
       <created>1536641702851</created>
       <option name="number" value="00034" />
@@ -3131,7 +3131,14 @@
       <option name="project" value="LOCAL" />
       <updated>1542504521805</updated>
     </task>
-    <option name="localTasksCounter" value="82" />
+    <task id="LOCAL-00082" summary="Version 3.0.0 rc 1">
+      <created>1542652231407</created>
+      <option name="number" value="00082" />
+      <option name="presentableId" value="LOCAL-00082" />
+      <option name="project" value="LOCAL" />
+      <updated>1542652231408</updated>
+    </task>
+    <option name="localTasksCounter" value="83" />
     <servers />
   </component>
   <component name="ToolWindowManager">
@@ -3179,7 +3186,6 @@
     <option name="myLimit" value="2678400000" />
   </component>
   <component name="VcsManagerConfiguration">
-    <MESSAGE value="fix jumping when another view calls for relayout" />
     <MESSAGE value="OverlayTextView is working" />
     <MESSAGE value="Chimee 3.0 beta 3" />
     <MESSAGE value="crash fix, Photo layout activity structure" />
@@ -3204,7 +3210,8 @@
     <MESSAGE value="support extracted text" />
     <MESSAGE value="code cleanup" />
     <MESSAGE value="removed unused resources" />
-    <option name="LAST_COMMIT_MESSAGE" value="removed unused resources" />
+    <MESSAGE value="Version 3.0.0 rc 1" />
+    <option name="LAST_COMMIT_MESSAGE" value="Version 3.0.0 rc 1" />
   </component>
   <component name="XDebuggerManager">
     <breakpoint-manager>
@@ -3322,58 +3329,6 @@
     </expressions>
   </component>
   <component name="editorHistoryManager">
-    <entry file="file://$USER_HOME$/Library/Android/sdk/sources/android-28/android/database/sqlite/SQLiteDatabase.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="244">
-          <caret line="1613" column="15" selection-start-line="1613" selection-start-column="15" selection-end-line="1613" selection-end-column="15" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/AddEditFavoritesActivity.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="528">
-          <caret line="208" lean-forward="true" selection-start-line="208" selection-end-line="208" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/MessageDatabaseAdapter.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="73">
-          <caret line="208" lean-forward="true" selection-start-line="208" selection-end-line="208" />
-          <folding>
-            <element signature="imports" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/OpenActivity.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-677">
-          <caret line="30" column="38" selection-start-line="30" selection-start-column="38" selection-end-line="30" selection-end-column="38" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/OverlayTextView.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-3737">
-          <caret line="181" column="5" selection-start-line="181" selection-start-column="5" selection-end-line="181" selection-end-column="5" />
-          <folding>
-            <element signature="e#17520#17521#0" expanded="true" />
-            <element signature="e#17576#17577#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/PermissionsHelper.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="163">
-          <caret line="11" selection-start-line="11" selection-end-line="11" />
-          <folding>
-            <element signature="imports" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/PhotoOverlayActivity.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="-5642">
@@ -3620,7 +3575,7 @@
     <entry file="file://$PROJECT_DIR$/app/src/main/res/layout/activity_main.xml">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="236">
-          <caret line="77" column="19" lean-forward="true" selection-start-line="77" selection-start-column="19" selection-end-line="77" selection-end-column="19" />
+          <caret line="77" column="19" selection-start-line="77" selection-start-column="19" selection-end-line="77" selection-end-column="19" />
           <folding>
             <element signature="e#2360#2403#0" expanded="true" />
             <element signature="e#2898#2926#0" expanded="true" />
@@ -3638,5 +3593,57 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/OpenActivity.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="225">
+          <caret line="30" column="42" selection-start-line="30" selection-start-column="42" selection-end-line="30" selection-end-column="42" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/res/layout/activity_open.xml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="256">
+          <caret line="45" column="44" selection-start-line="45" selection-start-column="44" selection-end-line="45" selection-end-column="44" />
+          <folding>
+            <element signature="e#1906#1949#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+      <provider editor-type-id="android-designer2">
+        <state />
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/FontChooserDialogFragment.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="84">
+          <caret line="44" column="58" selection-start-line="44" selection-start-column="58" selection-end-line="44" selection-end-column="58" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/res/layout/dialog_font_chooser.xml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state />
+      </provider>
+      <provider editor-type-id="android-designer2">
+        <state />
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/studymongolian/chimee/ColorChooserDialogFragment.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="295">
+          <caret line="74" column="61" selection-start-line="74" selection-start-column="61" selection-end-line="74" selection-end-column="61" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/res/layout/dialog_color_chooser.xml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="315">
+          <caret line="21" column="23" selection-start-line="21" selection-start-column="23" selection-end-line="21" selection-end-column="23" />
+        </state>
+      </provider>
+      <provider editor-type-id="android-designer2">
+        <state />
+      </provider>
+    </entry>
   </component>
 </project>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_open.xml b/app/src/main/res/layout/activity_open.xml
index ba1bf1a..777aee5 100644
--- a/app/src/main/res/layout/activity_open.xml
+++ b/app/src/main/res/layout/activity_open.xml
@@ -46,7 +46,7 @@
         android:layout_centerInParent="true"
         android:visibility="invisible"
         app:text="@string/activity_open_doc_directory_empty"
-        app:textColor="@color/grey_800"
+        app:textColor="@color/grey_500"
         app:textSize="30sp" />
 
 
diff --git a/app/src/main/res/layout/dialog_color_chooser.xml b/app/src/main/res/layout/dialog_color_chooser.xml
index 522741d..820ad6f 100644
--- a/app/src/main/res/layout/dialog_color_chooser.xml
+++ b/app/src/main/res/layout/dialog_color_chooser.xml
@@ -19,7 +19,7 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         app:text="@string/color_preview_text"
-        app:textSize="100sp" />
+        app:textSize="60sp" />
 
     <RadioButton
         android:id="@+id/rb_bg_color"