Enhancements

.idea/misc.xml

         <entry key="..\:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/res/drawable/ic_launcher_foreground.xml" value="0.25" />
         <entry key="..\:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/res/drawable/ic_launcher_round.xml" value="0.25" />
         <entry key="..\:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/res/drawable/ic_mediation_black_24dp.xml" value="0.285" />
+        <entry key="..\:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/res/drawable/ic_menu_about.xml" value="0.2505" />
         <entry key="..\:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/res/drawable/ic_menu_calcsight.xml" value="0.248" />
         <entry key="..\:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/res/drawable/ic_menu_camera.xml" value="0.25" />
         <entry key="..\:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/res/drawable/ic_menu_equipment.xml" value="0.25" />

.idea/workspace.xml

   </component>
   <component name="ChangeListManager">
     <list default="true" id="41369230-c648-4299-baf3-de5f13bcb18c" name="Changes" comment="">
-      <change beforePath="$PROJECT_DIR$/.gradle/7.3.3/checksums/checksums.lock" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/7.3.3/checksums/checksums.lock" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.gradle/7.3.3/dependencies-accessors/dependencies-accessors.lock" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/7.3.3/dependencies-accessors/dependencies-accessors.lock" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.gradle/7.3.3/executionHistory/executionHistory.bin" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/7.3.3/executionHistory/executionHistory.bin" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.gradle/7.3.3/executionHistory/executionHistory.lock" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/7.3.3/executionHistory/executionHistory.lock" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.gradle/7.3.3/fileHashes/fileHashes.bin" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/7.3.3/fileHashes/fileHashes.bin" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.gradle/7.3.3/fileHashes/fileHashes.lock" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/7.3.3/fileHashes/fileHashes.lock" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.gradle/7.3.3/fileHashes/resourceHashesCache.bin" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/7.3.3/fileHashes/resourceHashesCache.bin" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.gradle/buildOutputCleanup/buildOutputCleanup.lock" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/buildOutputCleanup/buildOutputCleanup.lock" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/misc.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/src/main/java/ch/spherIC/recurvebowsight/ui/equipment/AddEquipmentFragment.java" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/ui/equipment/AddEquipmentFragment.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/ui/equipment/EquipmentRecyclerViewAdapter.java" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/ui/equipment/EquipmentRecyclerViewAdapter.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/ui/userguide/UserguideFragment.java" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/ui/userguide/UserguideFragment.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/utilities/UnitConverter.java" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/utilities/UnitConverter.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/ui/calcsight/CalculateSightParametersFragment.java" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/ui/calcsight/CalculateSightParametersFragment.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/res/drawable/ic_menu_about.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/drawable/ic_menu_about.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/app/src/main/res/drawable/ic_menu_calcsight.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/drawable/ic_menu_calcsight.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/res/layout/fragment_about.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/layout/fragment_about.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/res/drawable/ic_menu_equipment.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/drawable/ic_menu_equipment.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/res/layout/activity_user_guide_archerysetup.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/layout/activity_user_guide_archerysetup.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/res/layout/fragment_userguide.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/layout/fragment_userguide.xml" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />

app/src/main/java/ch/spherIC/recurvebowsight/ui/calcsight/CalculateSightParametersFragment.java

                 && !this.binding.nockRaisingTxt.getText().toString().isEmpty()
                 && !this.binding.braceHeightTxt.getText().toString().isEmpty()
                 && !this.binding.airTemperatureTxt.getText().toString().isEmpty()
-                && !this.binding.airRelativeHumidityTxt.getText().toString().isEmpty()
-                && !this.binding.shootingDistanzTxt.getText().toString().isEmpty()
+                && !this.binding.airRelativeHumidityTxt.getText().toString().isEmpty() && !this.binding.airRelativeHumidityTxt.getText().toString().equals("0")
+                && !this.binding.shootingDistanzTxt.getText().toString().isEmpty() && !this.binding.shootingDistanzTxt.getText().toString().equals("0")
                 && !this.binding.arrowNockHeightTxt.getText().toString().isEmpty()
                 && !this.binding.targetCenterHeightTxt.getText().toString().isEmpty()
                 && !this.binding.deltaTimeTxt.getText().toString().isEmpty()

app/src/main/res/drawable/ic_menu_about.xml

 <vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:width="24dp"
     android:height="24dp"
     android:viewportWidth="24"
     android:viewportHeight="24"
-    android:tint="#000000">
+    android:tint="#FF000000">
     <path
         android:fillColor="@android:color/white"
         android:pathData="M11,7h2v2h-2zM11,11h2v6h-2zM12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM12,20c-4.41,0 -8,-3.59 -8,-8s3.59,-8 8,-8 8,3.59 8,8 -3.59,8 -8,8z"/>

app/src/main/res/drawable/ic_menu_calcsight.xml

     android:viewportHeight="24"
     android:tint="#000000">
     <path
-        android:fillColor="@android:color/black"
+        android:fillColor="#000000"
         android:pathData="M12,8c-2.21,0 -4,1.79 -4,4s1.79,4 4,4 4,-1.79 4,-4 -1.79,-4 -4,-4zM20.94,11c-0.46,-4.17 -3.77,-7.48 -7.94,-7.94L13,1h-2v2.06C6.83,3.52 3.52,6.83 3.06,11L1,11v2h2.06c0.46,4.17 3.77,7.48 7.94,7.94L11,23h2v-2.06c4.17,-0.46 7.48,-3.77 7.94,-7.94L23,13v-2h-2.06zM12,19c-3.87,0 -7,-3.13 -7,-7s3.13,-7 7,-7 7,3.13 7,7 -3.13,7 -7,7z" />
     <path
-        android:fillColor="@android:color/black"
+        android:fillColor="#000000"
         android:pathData="M1,13 l22,0 l0,-2 l-22,0z M13,1 l0,22 l-2,0 l0,-22z" />
 </vector>

app/src/main/res/drawable/ic_menu_equipment.xml

     android:height="24dp"
     android:viewportWidth="24"
     android:viewportHeight="24">
-  <path
-      android:pathData="m18,11.97c0,-4.69 -1.9,-8.93 -4.98,-12L1,11.97l12.02,12c3.08,-3.07 4.98,-7.31 4.98,-12zM12.219,2.002c2.494,2.264 4.061,6.45 4.018,9.939 -0.055,4.493 -1.841,7.91 -3.959,10.147L2.2,12.03Z"
-      android:fillColor="#000000"/>
-  <path
-      android:pathData="M0.877,11.577h20.547v0.845h-20.547z"
-      android:strokeLineJoin="round"
-      android:strokeWidth="0.35477734"
-      android:fillColor="#000000"
-      android:strokeColor="#000000"
-      android:strokeLineCap="butt"/>
+    <path
+        android:fillColor="#000000"
+        android:pathData="m18,11.97c0,-4.69 -1.9,-8.93 -4.98,-12L1,11.97l12.02,12c3.08,-3.07 4.98,-7.31 4.98,-12zM12.219,2.002c2.494,2.264 4.061,6.45 4.018,9.939 -0.055,4.493 -1.841,7.91 -3.959,10.147L2.2,12.03Z" />
+    <path
+        android:pathData="M0.877,11.577h20.547v0.845h-20.547z"
+        android:strokeLineJoin="round"
+        android:strokeWidth="0.35477734"
+        android:fillColor="#000000"
+        android:strokeColor="#000000"
+        android:strokeLineCap="butt" />
     <path
         android:pathData="m22.165,12.002 l-0.754,0.426l0,-0.851z"
         android:strokeLineJoin="round"
         android:strokeWidth="0.349"
         android:fillColor="#000000"
         android:strokeColor="#000000"
-        android:strokeLineCap="butt"/>
-  <path
-      android:pathData="M0.5,10.1l3,0l0.948,1.5l-3,0z"
-      android:strokeLineJoin="round"
-      android:strokeWidth="0.38228208"
-      android:fillColor="#000000"
-      android:strokeColor="#00000000"
-      android:strokeLineCap="butt"/>
+        android:strokeLineCap="butt" />
+    <path
+        android:pathData="M0.5,10.1l3,0l0.948,1.5l-3,0z"
+        android:strokeLineJoin="round"
+        android:strokeWidth="0.38228208"
+        android:fillColor="#000000"
+        android:strokeColor="#00000000"
+        android:strokeLineCap="butt" />
     <path
         android:pathData="M0.5,13.9l3,0l0.948,-1.5l-3,-0z"
         android:strokeLineJoin="round"
         android:strokeWidth="0.38228208"
         android:fillColor="#000000"
         android:strokeColor="#00000000"
-        android:strokeLineCap="butt"/>
+        android:strokeLineCap="butt" />
 </vector>

app/src/main/res/layout/activity_user_guide_archerysetup.xml

         android:layout_width="match_parent"
         android:layout_height="wrap_content">
 
+        <ImageView
+            android:id="@+id/imageViewEquipment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="16dp"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="8dp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:srcCompat="@drawable/userguide_params" />
+
+        <TextView
+            android:id="@+id/ug_ArrowNock_Index"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="16dp"
+            android:layout_marginStart="16dp"
+            android:text="1."
+            android:textSize="16sp"
+            android:textStyle="bold"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/imageViewEquipment" />
+
+        <TextView
+            android:id="@+id/ug_ArrowNock"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:text="@string/arrowNockHeightLbl"
+            android:textSize="16sp"
+            android:textStyle="bold"
+            app:layout_constraintStart_toEndOf="@+id/ug_ArrowNock_Index"
+            app:layout_constraintTop_toBottomOf="@+id/imageViewEquipment" />
+
+        <TextView
+            android:id="@+id/ug_TargetHeight_Index"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:text="2."
+            android:textSize="16sp"
+            android:textStyle="bold"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/ug_ArrowNock_Index" />
+
+        <TextView
+            android:id="@+id/ug_TargetHeight"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:text="@string/targetCenterHeightLbl"
+            android:textSize="16sp"
+            android:textStyle="bold"
+            app:layout_constraintStart_toEndOf="@+id/ug_TargetHeight_Index"
+            app:layout_constraintTop_toBottomOf="@+id/ug_ArrowNock" />
+
+        <TextView
+            android:id="@+id/ug_ShootingDistance_Index"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:text="3."
+            android:textSize="16sp"
+            android:textStyle="bold"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/ug_TargetHeight_Index" />
+
+        <TextView
+            android:id="@+id/ug_ShootingDistance"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:text="@string/shootingDistanzLbl"
+            android:textSize="16sp"
+            android:textStyle="bold"
+            app:layout_constraintStart_toEndOf="@+id/ug_ShootingDistance_Index"
+            app:layout_constraintTop_toBottomOf="@+id/ug_TargetHeight" />
+
+        <TextView
+            android:id="@+id/ug_HNA_Index"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:text="4."
+            android:textSize="16sp"
+            android:textStyle="bold"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/ug_ShootingDistance_Index" />
+
+        <TextView
+            android:id="@+id/ug_HNA"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:text="@string/ashNA"
+            android:textSize="16sp"
+            android:textStyle="bold"
+            app:layout_constraintStart_toEndOf="@+id/ug_HNA_Index"
+            app:layout_constraintTop_toBottomOf="@+id/ug_ShootingDistance" />
+
+        <TextView
+            android:id="@+id/ug_BowPullout_Index"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:text="5."
+            android:textSize="16sp"
+            android:textStyle="bold"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/ug_HNA_Index" />
+
+        <TextView
+            android:id="@+id/ug_BowPullout"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:text="@string/bowPulloutLbl"
+            android:textSize="16sp"
+            android:textStyle="bold"
+            app:layout_constraintStart_toEndOf="@+id/ug_BowPullout_Index"
+            app:layout_constraintTop_toBottomOf="@+id/ug_HNA" />
+
+        <TextView
+            android:id="@+id/ug_NockRaising_Index"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:text="6."
+            android:textSize="16sp"
+            android:textStyle="bold"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/ug_BowPullout_Index" />
+
+        <TextView
+            android:id="@+id/ug_NockRaising"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:text="@string/asNockRaising"
+            android:textSize="16sp"
+            android:textStyle="bold"
+            app:layout_constraintStart_toEndOf="@+id/ug_NockRaising_Index"
+            app:layout_constraintTop_toBottomOf="@+id/ug_BowPullout" />
+
+        <TextView
+            android:id="@+id/ug_BraceHeigth_Index"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:text="7."
+            android:textSize="16sp"
+            android:textStyle="bold"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/ug_NockRaising_Index" />
+
+        <TextView
+            android:id="@+id/ug_BraceHeigth"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:text="@string/asBraceHeight"
+            android:textSize="16sp"
+            android:textStyle="bold"
+            app:layout_constraintStart_toEndOf="@+id/ug_BraceHeigth_Index"
+            app:layout_constraintTop_toBottomOf="@+id/ug_NockRaising" />
+
         <TextView
             android:id="@+id/ugASEquipment"
             android:layout_width="0dp"
             android:textStyle="bold"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent" />
+            app:layout_constraintTop_toBottomOf="@+id/ug_BraceHeigth_Index" />
 
         <TextView
             android:id="@+id/ugASEquipment_Desc"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/ugASSight_Desc" />
 
+        <TextView
+            android:id="@+id/ugASDeltaTime_Desc"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="16dp"
+            android:layout_marginStart="16dp"
+            android:text="@string/ug_UserguideParams_Add1"
+            android:textSize="16sp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/ugASDeltaTime" />
+
         <TextView
             android:id="@+id/ugASCalcPrecision"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_marginEnd="16dp"
             android:layout_marginStart="16dp"
+            android:layout_marginTop="16dp"
             android:ems="10"
             android:inputType="textPersonName"
             android:text="@string/calcPrecisionLbl"
             android:textStyle="bold"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/ugASDeltaTime" />
+            app:layout_constraintTop_toBottomOf="@+id/ugASDeltaTime_Desc" />
 
         <TextView
             android:id="@+id/ugASCalcPrecision_Desc"
             android:layout_height="wrap_content"
             android:layout_marginEnd="16dp"
             android:layout_marginStart="16dp"
-            android:text="@string/ug_UserguideASParams_Add5"
+            android:text="@string/ug_UserguideParams_Add2"
             android:textSize="16sp"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"

app/src/main/res/layout/fragment_userguide.xml

                 android:id="@+id/imgSightUG"
                 android:layout_width="fill_parent"
                 android:layout_height="fill_parent"
+                android:foregroundTint="#000000"
                 android:src="@drawable/ic_menu_calcsight" />
 
             <TextView