[samples][exercise-assessment] add missing custom conf due to gitignore

Author: Yuntaek Rim

java/samples/exercise-assessment-kt/custom_res/conf/math.conf

@@ -0,0 +1,17 @@
+Bundle-Version: 1.0
+Bundle-Name: math
+Configuration-Script:
+ AddResDir ../resources
+ AddResDir /data/user/0/com.myscript.iink.samples.assessment/files
+
+Name: standard
+Type: Math
+Configuration-Script:
+ AddResource math/math-ak.res
+ AddResource math/math-grm-standard.res
+
+Name: standardK8
+Type: Math
+Configuration-Script:
+ AddResource math/math-ak.res
+ AddResource math-grm-standardK8.res

java/samples/exercise-assessment-kt/src/main/java/com/myscript/iink/samples/assessment/MainActivity.kt

@@ -151,6 +151,7 @@ class MainActivity : AppCompatActivity(), IEditorListener {
             val horizontalMargin = resources.getDimension(horizontalMarginRes)
             val verticalMarginMM =  25.4f * verticalMargin / displayMetrics.ydpi
             val horizontalMarginMM = 25.4f * horizontalMargin / displayMetrics.xdpi
+            setNumber("text.margin.top", verticalMarginMM)
             setNumber("text.margin.left", horizontalMarginMM)
             setNumber("text.margin.right", horizontalMarginMM)
             setNumber("math.margin.top", verticalMarginMM)

java/samples/exercise-assessment-kt/src/main/res/values/dimens.xml

@@ -4,6 +4,6 @@
 
 <resources>
     <dimen name="text_view_drawable_padding">16dp</dimen>
-    <dimen name="editor_vertical_margin">64dp</dimen>
+    <dimen name="editor_vertical_margin">0dp</dimen>
     <dimen name="editor_horizontal_margin">24dp</dimen>
 </resources>