diff --git a/app/src/main/res/drawable/box_root.png b/app/src/main/res/drawable/box_root.png
new file mode 100644
index 0000000..d977b0b
Binary files /dev/null and b/app/src/main/res/drawable/box_root.png differ
diff --git a/app/src/main/res/drawable/un_checked.png b/app/src/main/res/drawable/checked_image.png
similarity index 100%
rename from app/src/main/res/drawable/un_checked.png
rename to app/src/main/res/drawable/checked_image.png
diff --git a/app/src/main/res/drawable/ischecked.png b/app/src/main/res/drawable/ischecked_uuid.png
similarity index 100%
rename from app/src/main/res/drawable/ischecked.png
rename to app/src/main/res/drawable/ischecked_uuid.png
diff --git a/app/src/main/res/drawable/pin_root.png b/app/src/main/res/drawable/pin_root.png
new file mode 100644
index 0000000..c5bf4d3
Binary files /dev/null and b/app/src/main/res/drawable/pin_root.png differ
diff --git a/app/src/main/res/layout/main.xml b/app/src/main/res/layout/main.xml
index 09a11fd..8783a51 100644
--- a/app/src/main/res/layout/main.xml
+++ b/app/src/main/res/layout/main.xml
@@ -10,50 +10,168 @@
+ android:layout_weight="2"/>
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+ android:layout_weight="2"/>
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\ No newline at end of file