calculation of sight setting

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+    <property name="android-custom-viewZ:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/java/ch/spherIC/recurvebowsight/components/NumberAutoCompleteTextView.java_NumberAutoCompleteTextView_DIMENSIONS" value="1080&#10;1920" />
+    <property name="android-custom-viewZ:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/java/ch/spherIC/recurvebowsight/components/NumberAutoCompleteTextView.java_SELECTED" value="NumberAutoCompleteTextView" />
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     <property name="code.cleanup.on.save" value="true" />
     <property name="format.on.save" value="true" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/components" />
+    <property name="last_directory_selection" value="$PROJECT_DIR$/app/src/main/res/drawable" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$/app/src/main/res/drawable" />
     <property name="optimize.imports.on.save" value="true" />
     <property name="settings.editor.selected.configurable" value="preferences.sourceCode.Java" />
   </component>
       <recent name="ch.spherIC.recurvebowsight.ui.configuration" />
     </key>
     <key name="CopyFile.RECENT_KEYS">
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       <recent name="Z:\Work\Java Projects\Android\RecurveBowSight\V2\app\src\main\res\drawable" />
+      <recent name="Z:\Work\Java Projects\Android\RecurveBowSight\V2\app\src\main\java\ch\spherIC\recurvebowsight\components" />
       <recent name="Z:\Work\Java Projects\Android\RecurveBowSight\V2\app\src\main\java\ch\spherIC\recurvebowsight\ui\calcsight" />
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   <component name="XDebuggerManager">
     <breakpoint-manager>
       <breakpoints>
+        <line-breakpoint enabled="true" suspend="THREAD" type="java-line">
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         <line-breakpoint enabled="true" suspend="THREAD" type="java-line">
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+        <line-breakpoint enabled="true" suspend="THREAD" type="java-line">
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         </line-breakpoint>
       </breakpoints>
     </breakpoint-manager>
     <watches-manager>
       <configuration name="app">
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-        <watch expression="getActivity()" language="JAVA" />
-        <watch expression="getChildFragmentManager().getFragments()" language="JAVA" />
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       </configuration>
     </watches-manager>
   </component>

app/src/main/java/ch/spherIC/recurvebowsight/components/NumberAutoCompleteTextView.java

+package ch.spherIC.recurvebowsight.components;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.content.res.Resources;
+import android.util.AttributeSet;
+import android.widget.AutoCompleteTextView;
+
+import java.text.DecimalFormat;
+
+import ch.spherIC.recurvebowsight.utilities.UnitConverter;
+
+@SuppressLint("AppCompatCustomView")
+public class NumberAutoCompleteTextView extends AutoCompleteTextView {
+
+
+    private DecimalFormat formatter;
+
+    public NumberAutoCompleteTextView(Context context) {
+        this(context, null);
+    }
+
+    public NumberAutoCompleteTextView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public NumberAutoCompleteTextView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    public NumberAutoCompleteTextView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    public NumberAutoCompleteTextView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes, Resources.Theme popupTheme) {
+        super(context, attrs, defStyleAttr, defStyleRes, popupTheme);
+        int paddingH = UnitConverter.dpToPxH(16);
+        int paddingV = UnitConverter.dpToPxV(16);
+        setPadding(paddingH, paddingV, paddingH, paddingV);
+    }
+
+    public DecimalFormat getFormatter() {
+        return formatter;
+    }
+
+    public void setFormatter(DecimalFormat formatter) {
+        this.formatter = formatter;
+    }
+
+    @Override
+    protected CharSequence convertSelectionToString(Object selectedItem) {
+        if (this.formatter != null && selectedItem instanceof Double) {
+            return this.formatter.format(selectedItem);
+        }
+        return super.convertSelectionToString(selectedItem);
+    }
+}

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

     public static final DecimalFormat DF = new DecimalFormat("0.##");
     public static final DecimalFormat DF_1 = new DecimalFormat("0.00");
     public static final DecimalFormat DF_2 = new DecimalFormat("0.0##");
-    public static final DecimalFormat DF_EVS = new DecimalFormat("0.#");
     private static final double CENTI = 0.01;
     private static final double MILLI = 0.001;
     private static final int MAX_TRAJ_POINTS = 200;
         if (getParentFragment() != null && getParentFragment().getArguments() != null && getParentFragment().getArguments().containsKey("setup")) {
             IArcherySetup archerySetup = getParentFragment().getArguments().getParcelable("setup");
             this.calculateSightViewModel.setSelectedArcherySetup(archerySetup);
+            Bundle bundle = new Bundle();
+            bundle.putParcelable("selectedArcherySetup", archerySetup);
+            getParentFragmentManager().setFragmentResult("selectedArcherySetup", bundle);
         }
     }
 
         bundle.putParcelable("ballisticResults", ballisticResults);
         getParentFragmentManager().setFragmentResult("ballisticResults", bundle);
 
+        Bundle startAngleBundle = new Bundle();
+        startAngleBundle.putDouble("startAngle", ballisticResults.getStartAngle());
+        startAngleBundle.putDouble("shootingDistance", this.calculateSightViewModel.getShootingDistance().getValue());
+        getParentFragmentManager().setFragmentResult("startAngle", startAngleBundle);
+
         if (this.progressDialog != null) {
             this.progressDialog.dismiss();
         }
 
-        ((CalculateSightFragment) getParentFragment()).scrollToTab(1);
+        ((CalculateSightFragment) getParentFragment()).scrollToTab(2);
     }
 
     private void addObservers() {
                 && !this.binding.arrowNockHeightTxt.getText().toString().isEmpty()
                 && !this.binding.targetCenterHeightTxt.getText().toString().isEmpty()
                 && !this.binding.deltaTimeTxt.getText().toString().isEmpty()
-                && !this.binding.calcPrecisionTxt.getText().toString().isEmpty()
-                && allSightParamFieldsValid();
-    }
-
-    private boolean allSightParamFieldsValid() {
-        /*return !this.scVvisHTxtFld.getText().toString().isEmpty()
-                && !this.scVvisVTxtFld.getText().toString().isEmpty()
-                && !this.scaHTxtFld.getText().toString().isEmpty()
-                && !this.scaVTxtFld.getText().toString().isEmpty()
-                && !this.scVertScaleRngTxtFld.getText().toString().isEmpty()
-                && !this.scPointerOffsetTxtFld.getText().toString().isEmpty()
-                && ((this.scHeVSSpinner.getVisibility() == View.VISIBLE && this.scHeVSSpinner.getSelectedItem() != null)
-                || (this.scHeVSTxtFld.getVisibility() == View.VISIBLE && !this.scHeVSTxtFld.getText().toString().isEmpty()))
-                && !this.scVertScaleMiddleTxtFld.getText().toString().isEmpty();
-    */
-        return true;
+                && !this.binding.calcPrecisionTxt.getText().toString().isEmpty();
     }
 
-
     private void addValueChangeListeners() {
         this.accuracyOptimizingTextWatcher = new SuspendableTextWatcher() {
             @Override

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

  */
 package ch.spherIC.recurvebowsight.ui.calcsight;
 
+import android.content.Context;
+import android.content.res.ColorStateList;
 import android.os.Bundle;
+import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.TextView;
+import android.view.inputmethod.InputMethodManager;
+import android.widget.ArrayAdapter;
+import android.widget.AutoCompleteTextView;
+import android.widget.Toast;
+
+import java.text.DecimalFormat;
+import java.util.List;
 
 import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
+import ch.spherIC.recurvebowsight.R;
+import ch.spherIC.recurvebowsight.components.NumberAutoCompleteTextView;
+import ch.spherIC.recurvebowsight.database.dao.RiserDao;
+import ch.spherIC.recurvebowsight.database.dao.SightDao;
 import ch.spherIC.recurvebowsight.databinding.FragmentCalcsightSightsettingBinding;
+import ch.spherIC.recurvebowsight.model.IArcherySetup;
+import ch.spherIC.recurvebowsight.model.IRiser;
+import ch.spherIC.recurvebowsight.model.ISight;
+import ch.spherIC.recurvebowsight.utilities.NoFilterArrayAdapter;
+import ch.spherIC.recurvebowsight.utilities.PlatformUtils;
 
 public class CalculateSightSightSettingFragment extends Fragment {
 
+    public static final DecimalFormat DF = new DecimalFormat("0.##");
+    public static final DecimalFormat DF_EVS = new DecimalFormat("0.#");
+
     private FragmentCalcsightSightsettingBinding binding;
+    private CalculateSightSightSettingViewModel calcSightSettingModel;
+    private ColorStateList defaultTextColors;
+    private int defaultBoxBackgroundColor;
 
     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        CalculateSightSightSettingViewModel calculateSightSightSettingViewModel = new ViewModelProvider(this).get(CalculateSightSightSettingViewModel.class);
-        binding = FragmentCalcsightSightsettingBinding.inflate(inflater, container, false);
-        View root = binding.getRoot();
+        this.calcSightSettingModel = new ViewModelProvider(this).get(CalculateSightSightSettingViewModel.class);
+        this.binding = FragmentCalcsightSightsettingBinding.inflate(inflater, container, false);
+        View root = this.binding.getRoot();
+
+        this.defaultTextColors = this.binding.ssEvSTxt.getTextColors();
+        this.defaultBoxBackgroundColor = this.binding.ssEvSLayout.getBoxBackgroundColor();
+        NumberAutoCompleteTextView horizontalSightSettingTxt = root.findViewById(R.id.ssHorizontalSightSettingTxt);
+        horizontalSightSettingTxt.setFormatter(new DecimalFormat("0.#"));
+
+        this.binding.fabCalculate.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                updateModelFromUI();
+                calculateSettings();
+            }
+        });
+
+        getParentFragmentManager().setFragmentResultListener("selectedArcherySetup", this, (requestKey, bundle) -> {
+            if (requestKey.equals("selectedArcherySetup")) {
+                IArcherySetup selectedArcherySetup = bundle.getParcelable("selectedArcherySetup");
+                if (selectedArcherySetup != null) {
+                    this.calcSightSettingModel.setSelectedArcherySetup(selectedArcherySetup);
+                    this.calcSightSettingModel.setSelectedRiser(selectedArcherySetup.getRiser());
+                    this.calcSightSettingModel.setSelectedSight(selectedArcherySetup.getSight());
+                    this.calcSightSettingModel.setHeVis(selectedArcherySetup.getSightHorzSetting());
+                    this.calcSightSettingModel.setVertSkalaMiddle(selectedArcherySetup.getSightVertSkalaMiddle());
+                    loadHeVis(selectedArcherySetup.getSight());
+                }
+            }
+        });
+
+        getParentFragmentManager().setFragmentResultListener("startAngle", this, (requestKey, bundle) -> {
+            if (requestKey.equals("startAngle")) {
+                Double startAngle = bundle.getDouble("startAngle");
+                Double shootingDist = bundle.getDouble("shootingDistance");
+                this.calcSightSettingModel.setStartAngle(startAngle);
+                this.calcSightSettingModel.setShootingDistance(shootingDist);
+            }
+        });
 
-        final TextView textView = binding.textCalcsightSightsetting;
-        calculateSightSightSettingViewModel.getText().observe(getViewLifecycleOwner(), textView::setText);
+        loadRisers();
+        loadSights();
+        addRiserSpinnerListener();
+        addSightSpinnerListener();
+        addHeVisSpinnerListener();
+        addObservers();
         return root;
     }
 
+    @Override
+    public void onResume() {
+        super.onResume();
+        calculateSettings(false);
+    }
+
     @Override
     public void onDestroyView() {
         super.onDestroyView();
-        binding = null;
+        this.binding = null;
+    }
+
+    private void addObservers() {
+        this.calcSightSettingModel.getSelectedRiser().observe(getViewLifecycleOwner(), riser -> this.binding.ssRiserSelectionTxt.setText(riser != null ? riser.toString() : ""));
+        this.calcSightSettingModel.getSelectedSight().observe(getViewLifecycleOwner(), sight -> this.binding.ssSightSelectionTxt.setText(sight != null ? sight.toString() : ""));
+        this.calcSightSettingModel.getVVisV().observe(getViewLifecycleOwner(), vVisV -> this.binding.ssvVisVTxt.setText(vVisV != null ? DF.format(vVisV) : ""));
+        this.calcSightSettingModel.getVVisH().observe(getViewLifecycleOwner(), vVisH -> this.binding.ssvVisHTxt.setText(vVisH != null ? DF.format(vVisH) : ""));
+        this.calcSightSettingModel.getHeVis().observe(getViewLifecycleOwner(), heVis -> this.binding.ssHorizontalSightSettingTxt.setText(heVis != null ? DF.format(heVis) : ""));
+        this.calcSightSettingModel.getAV().observe(getViewLifecycleOwner(), aV -> this.binding.ssaVTxt.setText(aV != null ? DF.format(aV) : ""));
+        this.calcSightSettingModel.getAH().observe(getViewLifecycleOwner(), aH -> this.binding.ssaHTxt.setText(aH != null ? DF.format(aH) : ""));
+        this.calcSightSettingModel.getVertScaleRngMin().observe(getViewLifecycleOwner(), vertSclRngMin -> this.binding.ssVertScaleRngTxt.setText(getVertScaleRangeText(vertSclRngMin, null)));
+        this.calcSightSettingModel.getVertScaleRngMax().observe(getViewLifecycleOwner(), vertSclRngMax -> this.binding.ssVertScaleRngTxt.setText(getVertScaleRangeText(null, vertSclRngMax)));
+        this.calcSightSettingModel.getScalePointerOffset().observe(getViewLifecycleOwner(), scalePtrOffset -> this.binding.ssVertScalePointerOffsetTxt.setText(scalePtrOffset != null ? DF.format(scalePtrOffset) : ""));
+        this.calcSightSettingModel.getVertSkalaMiddle().observe(getViewLifecycleOwner(), vertScaleMiddle -> this.binding.ssVertSkalaMiddleTxt.setText(vertScaleMiddle != null ? DF.format(vertScaleMiddle) : ""));
+        this.calcSightSettingModel.getEvS().observe(getViewLifecycleOwner(), evs -> this.binding.ssEvSTxt.setText(evs != null ? DF_EVS.format(evs) : ""));
+    }
+
+    private void updateModelFromUI() {
+        this.calcSightSettingModel.setVertSkalaMiddle(PlatformUtils.parseDouble(this.binding.ssVertSkalaMiddleTxt.getText().toString()));
+    }
+
+    private String getVertScaleRangeText(Double vertSclRngMin, Double vertSclRngMax) {
+        if (vertSclRngMin != null && vertSclRngMax != null) {
+            return DF.format(vertSclRngMin) + "-" + DF.format(vertSclRngMax);
+        } else if (vertSclRngMin != null && vertSclRngMax == null) {
+            return DF.format(vertSclRngMin) + "-" + (this.calcSightSettingModel.getVertScaleRngMax().getValue() != null ?
+                                                     DF.format(this.calcSightSettingModel.getVertScaleRngMax().getValue()) : "");
+        } else if (vertSclRngMin == null && vertSclRngMax != null) {
+            return (this.calcSightSettingModel.getVertScaleRngMin().getValue() != null ?
+                    DF.format(this.calcSightSettingModel.getVertScaleRngMin().getValue()) : "") + "-" + DF.format(vertSclRngMax);
+        }
+        return "";
+    }
+
+    private void loadRisers() {
+        List<IRiser> risers = RiserDao.getInstance().loadAll();
+        ArrayAdapter<IRiser> adapter = new NoFilterArrayAdapter<IRiser>(this.binding.getRoot().getContext(), android.R.layout.simple_dropdown_item_1line, risers);
+        AutoCompleteTextView textView = this.binding.ssRiserSelectionTxt;
+        textView.setAdapter(adapter);
+        textView.invalidate();
+    }
+
+    private void loadSights() {
+        List<ISight> sights = SightDao.getInstance().loadAll();
+        ArrayAdapter<ISight> adapter = new NoFilterArrayAdapter<ISight>(this.binding.getRoot().getContext(), android.R.layout.simple_dropdown_item_1line, sights);
+        AutoCompleteTextView textView = this.binding.ssSightSelectionTxt;
+        textView.setAdapter(adapter);
+        textView.invalidate();
+    }
+
+    private void loadHeVis(ISight selectedSight) {
+        ArrayAdapter<Double> adapter = new NoFilterArrayAdapter<Double>(this.binding.getRoot().getContext(), android.R.layout.simple_dropdown_item_1line,
+                                                                        selectedSight.getHeVisList(), new DecimalFormat("0.#"));
+        AutoCompleteTextView textView = this.binding.ssHorizontalSightSettingTxt;
+        textView.setAdapter(adapter);
+        textView.invalidate();
+    }
+
+    private void addHeVisSpinnerListener() {
+        AutoCompleteTextView textView = this.binding.getRoot().findViewById(R.id.ssHorizontalSightSettingTxt);
+        textView.setOnItemClickListener((parent, view, position, id) -> {
+            Double selectedHeVis = (Double) textView.getAdapter().getItem(position);
+            if (selectedHeVis != null) {
+                calcSightSettingModel.setHeVis(selectedHeVis);
+            }
+        });
+    }
+
+    private void addSightSpinnerListener() {
+        AutoCompleteTextView textView = this.binding.getRoot().findViewById(R.id.ssSightSelectionTxt);
+        textView.setOnItemClickListener((parent, view, position, id) -> {
+            ISight selectedSight = (ISight) textView.getAdapter().getItem(position);
+            if (selectedSight != null) {
+                loadHeVis(selectedSight);
+                calcSightSettingModel.setSelectedSight(selectedSight);
+                calcSightSettingModel.setHeVis(selectedSight.getHeVisList().get(0));
+            }
+        });
+    }
+
+    private void addRiserSpinnerListener() {
+        AutoCompleteTextView textView = this.binding.getRoot().findViewById(R.id.ssRiserSelectionTxt);
+        textView.setOnItemClickListener((parent, view, position, id) -> {
+            IRiser selectedRiser = (IRiser) textView.getAdapter().getItem(position);
+            if (selectedRiser != null) {
+                calcSightSettingModel.setSelectedRiser(selectedRiser);
+            }
+        });
+    }
+
+    /**
+     * Berechnet die definitve Visiereinstellung anhand des berechneten Flugbahnwinkels.
+     */
+    private void calculateSettings() {
+        calculateSettings(true);
+    }
+
+    private void calculateSettings(boolean hintOnValidationError) {
+        Context context = this.binding.getRoot().getContext();
+        InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
+        imm.hideSoftInputFromWindow(this.binding.getRoot().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
+        this.binding.ssEvSTxt.requestFocus();
+
+        if (allSightParamFieldsValid() && this.calcSightSettingModel.getSelectedArcherySetup() != null && this.calcSightSettingModel.getStartAngle() != null
+                && this.calcSightSettingModel.getShootingDistance() != null) {
+            Double startAngle = this.calcSightSettingModel.getStartAngle();
+            Double x0;
+            Double y0;
+            Double x1;
+            Double y1;
+            Double x2;
+            Double y2;
+            Double x3;
+            Double y3;
+            Double r;
+            Double s;
+            Double vVh = this.calcSightSettingModel.getVVisH().getValue() + this.calcSightSettingModel.getAH().getValue();
+            Double vVv = this.calcSightSettingModel.getVVisV().getValue() + this.calcSightSettingModel.getAV().getValue();
+            Double a = this.calcSightSettingModel.getSelectedArcherySetup().getBowPullout() * 10;
+            Double heVs = this.calcSightSettingModel.getHeVis().getValue();
+
+            Double lhNA = this.calcSightSettingModel.getSelectedArcherySetup().getHNA();
+            Double dltH = (this.calcSightSettingModel.getSelectedArcherySetup().getTargetCenterHeight() - this.calcSightSettingModel.getSelectedArcherySetup().getArrowNockHeight()) * Math.pow(10, 3);
+            Double ldistH = this.calcSightSettingModel.getShootingDistance() * Math.pow(10, 3);
+            Double minSkala = this.calcSightSettingModel.getVertScaleRngMin().getValue();
+            Double maxSkala = this.calcSightSettingModel.getVertScaleRngMax().getValue();
+            Double pointerOffset = this.calcSightSettingModel.getScalePointerOffset().getValue();
+
+            Double nockRaising = this.calcSightSettingModel.getSelectedArcherySetup().getNockRaising() - this.calcSightSettingModel.getSelectedArcherySetup().getArrowDiameter();
+            Double braceHeight = this.calcSightSettingModel.getSelectedArcherySetup().getBraceHeight();
+            Double phi = -Math.atan(nockRaising / braceHeight); // Winkel des Pfeils zur Auflage infolge Nockpunktüberhöhung
+
+            // PIN auf Höhe UK Vertikalskala Visier, gedreht um den Abschusswinkel...
+            Double x01 = a * Math.cos(phi) + vVh + heVs;
+            Double y01 = a * Math.sin(phi) + vVv - maxSkala / 2;
+            x0 = Math.cos(Math.toRadians(startAngle)) * x01 - Math.sin(Math.toRadians(startAngle)) * y01;
+            y0 = Math.sin(Math.toRadians(startAngle)) * x01 + Math.cos(Math.toRadians(startAngle)) * y01;
+
+            // PIN auf Höhe Horizontalschlitten Visier, gedreht um den Abschusswinkel...
+            Double x02 = a * Math.cos(phi) + vVh + heVs;
+            Double y02 = a * Math.sin(phi) + vVv;
+            x2 = Math.cos(Math.toRadians(startAngle)) * x02 - Math.sin(Math.toRadians(startAngle)) * y02;
+            y2 = Math.sin(Math.toRadians(startAngle)) * x02 + Math.cos(Math.toRadians(startAngle)) * y02;
+
+            // Schnittpunkt der Achse Horizontalschlitten Visier mit Achse Befestigungslöcher Visier, gedreht um den Abschusswinkel...
+            Double x03 = a * Math.cos(phi) + vVh;
+            Double y03 = a * Math.sin(phi) + vVv;
+            x3 = Math.cos(Math.toRadians(startAngle)) * x03 - Math.sin(Math.toRadians(startAngle)) * y03;
+            y3 = Math.sin(Math.toRadians(startAngle)) * x03 + Math.cos(Math.toRadians(startAngle)) * y03;
+
+            // Unbekannte der Vektorgeradengleichung
+            r = (lhNA * (x0 - x2) - x0 * y2 + x2 * y0) / (ldistH * (y0 - y2) + (dltH - lhNA) * (x2 - x0));
+            s = -((ldistH * (lhNA - y0) + (dltH - lhNA) * x0) / (ldistH * (y0 - y2) + (dltH - lhNA) * (x2 - x0)));
+
+            // Pin auf Visierlinie
+            x1 = r * ldistH;
+            y1 = lhNA + r * (dltH - lhNA);
+
+            // Unten (+) oder oben (-) von (x2/y2) ?
+            Double n = ((y2 - y3) * (x1 - x3) - (x2 - x3) * (y1 - y3)) < 0 ? -1.0 : 1.0;
+
+            // Abstand P1 - P2
+            Double d = Math.sqrt(Math.pow(x1 - x2, 2) + Math.pow(y1 - y2, 2)) * n;
+
+            // Einstellung auf vert. Skala
+            Double sV = this.calcSightSettingModel.getVertSkalaMiddle().getValue() + d - pointerOffset;
+
+            this.binding.ssEvSTxt.setText(DF_EVS.format(sV));
+
+            if (minSkala <= sV && sV <= maxSkala) {
+                this.binding.ssEvSLayout.setBoxBackgroundColor(getResources().getColor(R.color.android_green, this.binding.getRoot().getContext().getTheme()));
+                this.binding.ssEvSTxt.setTextColor(getResources().getColor(R.color.black, this.binding.getRoot().getContext().getTheme()));
+            } else {
+                this.binding.ssEvSLayout.setBoxBackgroundColor(getResources().getColor(R.color.android_red, this.binding.getRoot().getContext().getTheme()));
+                this.binding.ssEvSTxt.setTextColor(getResources().getColor(R.color.white, this.binding.getRoot().getContext().getTheme()));
+            }
+
+        } else {
+            this.binding.ssEvSLayout.setBoxBackgroundColor(this.defaultBoxBackgroundColor);
+            this.binding.ssEvSTxt.setTextColor(this.defaultTextColors);
+            this.binding.ssEvSTxt.setText("");
+            this.binding.ssEvSTxt.clearFocus();
+            if (hintOnValidationError) {
+                Toast toast = Toast.makeText(this.binding.getRoot().getContext(), getResources().getString(R.string.caption_FillAllMandatoryFields), Toast.LENGTH_LONG);
+                toast.setGravity(Gravity.CENTER, 0, 0);
+                toast.show();
+            }
+        }
     }
-}
+
+    private boolean allSightParamFieldsValid() {
+        return !this.binding.ssvVisHTxt.getText().toString().isEmpty()
+                && !this.binding.ssvVisVTxt.getText().toString().isEmpty()
+                && !this.binding.ssHorizontalSightSettingTxt.getText().toString().isEmpty()
+                && !this.binding.ssaVTxt.getText().toString().isEmpty()
+                && !this.binding.ssaHTxt.getText().toString().isEmpty()
+                && !this.binding.ssVertScaleRngTxt.getText().toString().isEmpty()
+                && !this.binding.ssVertScalePointerOffsetTxt.getText().toString().isEmpty()
+                && !this.binding.ssVertSkalaMiddleTxt.getText().toString().isEmpty();
+    }
+
+}

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

 import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
+import ch.spherIC.recurvebowsight.model.IArcherySetup;
+import ch.spherIC.recurvebowsight.model.IRiser;
+import ch.spherIC.recurvebowsight.model.ISight;
 
 public class CalculateSightSightSettingViewModel extends ViewModel {
 
-    private final MutableLiveData<String> mText;
+    private final MutableLiveData<IRiser> mRiser;
+    private final MutableLiveData<Double> mVvisH;
+    private final MutableLiveData<Double> mVvisV;
+    private final MutableLiveData<ISight> mSight;
+    private final MutableLiveData<Double> mHeVis;
+    private final MutableLiveData<Double> mAV;
+    private final MutableLiveData<Double> mAH;
+    private final MutableLiveData<Double> mVertScaleRngMin;
+    private final MutableLiveData<Double> mVertScaleRngMax;
+    private final MutableLiveData<Double> mScalePointerOffset;
+    private final MutableLiveData<Double> mVertSkalaMiddle;
+    private final MutableLiveData<Double> mEvS;
+    private IArcherySetup selectedArcherySetup;
+    private Double startAngle;
+    private Double shootingDistance;
 
     public CalculateSightSightSettingViewModel() {
-        mText = new MutableLiveData<>();
-        mText.setValue("This is the \"Calculate Sight Sight Setting\" fragment");
+        this.mRiser = new MutableLiveData<>();
+        this.mSight = new MutableLiveData<>();
+        this.mVvisH = new MutableLiveData<>();
+        this.mVvisV = new MutableLiveData<>();
+        this.mHeVis = new MutableLiveData<>();
+        this.mAV = new MutableLiveData<>();
+        this.mAH = new MutableLiveData<>();
+        this.mVertScaleRngMin = new MutableLiveData<>();
+        this.mVertScaleRngMax = new MutableLiveData<>();
+        this.mScalePointerOffset = new MutableLiveData<>();
+        this.mVertSkalaMiddle = new MutableLiveData<>();
+        this.mEvS = new MutableLiveData<>();
+
+        this.mRiser.setValue(null);
+        this.mSight.setValue(null);
+        this.mVvisH.setValue(null);
+        this.mVvisV.setValue(null);
+        this.mHeVis.setValue(null);
+        this.mAV.setValue(null);
+        this.mAH.setValue(null);
+        this.mVertScaleRngMin.setValue(null);
+        this.mVertScaleRngMax.setValue(null);
+        this.mScalePointerOffset.setValue(null);
+        this.mVertSkalaMiddle.setValue(null);
+        this.mEvS.setValue(null);
+    }
+
+    public void setSelectedRiser(IRiser aSelectedRiser) {
+        this.mRiser.setValue(aSelectedRiser);
+        this.mVvisH.setValue(aSelectedRiser != null ? aSelectedRiser.getVVisH() : null);
+        this.mVvisV.setValue(aSelectedRiser != null ? aSelectedRiser.getVVisV() : null);
+    }
+
+    public void setSelectedSight(ISight aSight) {
+        this.mSight.setValue(aSight);
+        this.mAV.setValue(aSight != null ? aSight.getAV() : null);
+        this.mAH.setValue(aSight != null ? aSight.getAH() : null);
+        this.mVertScaleRngMin.setValue(aSight != null ? aSight.getVertSkalaRangeMin() : null);
+        this.mVertScaleRngMax.setValue(aSight != null ? aSight.getVertSkalaRangeMax() : null);
+        this.mScalePointerOffset.setValue(aSight != null ? aSight.getPointerOffset() : null);
+    }
+
+    public void setVertSkalaMiddle(Double vertSkalaMiddle) {
+        this.mVertSkalaMiddle.setValue(vertSkalaMiddle);
+    }
+
+    public void setStartAngle(Double startAngle) {
+        this.startAngle = startAngle;
+    }
+
+    public void setSelectedArcherySetup(IArcherySetup selectedArcherySetup) {
+        this.selectedArcherySetup = selectedArcherySetup;
+    }
+
+    public void setHeVis(Double aHeVis) {
+        this.mHeVis.setValue(aHeVis);
+    }
+
+    public LiveData<IRiser> getSelectedRiser() {
+        return mRiser;
+    }
+
+    public LiveData<ISight> getSelectedSight() {
+        return mSight;
+    }
+
+    public LiveData<Double> getVVisH() {
+        return this.mVvisH;
     }
 
-    public LiveData<String> getText() {
-        return mText;
+    public LiveData<Double> getVVisV() {
+        return this.mVvisV;
     }
+
+    public LiveData<Double> getHeVis() {
+        return mHeVis;
+    }
+
+    public LiveData<Double> getAV() {
+        return mAV;
+    }
+
+    public LiveData<Double> getAH() {
+        return mAH;
+    }
+
+    public LiveData<Double> getVertScaleRngMin() {
+        return mVertScaleRngMin;
+    }
+
+    public LiveData<Double> getVertScaleRngMax() {
+        return mVertScaleRngMax;
+    }
+
+    public LiveData<Double> getScalePointerOffset() {return mScalePointerOffset;}
+
+    public LiveData<Double> getVertSkalaMiddle() {
+        return mVertSkalaMiddle;
+    }
+
+    public LiveData<Double> getEvS() {
+        return mEvS;
+    }
+
+    public Double getStartAngle() {return startAngle;}
+
+    public IArcherySetup getSelectedArcherySetup() {return selectedArcherySetup;}
+
+    public Double getShootingDistance() {return shootingDistance;}
+
+    public void setShootingDistance(Double shootingDistance) {this.shootingDistance = shootingDistance;}
 }

app/src/main/java/ch/spherIC/recurvebowsight/utilities/NoFilterArrayAdapter.java

 package ch.spherIC.recurvebowsight.utilities;
 
 import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.Filter;
+import android.widget.TextView;
 
+import java.text.DecimalFormat;
 import java.util.Arrays;
 import java.util.List;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import ch.spherIC.recurvebowsight.R;
 
 /**
  * Almost unbelievably, if we want to create a Material Spinner,
 public class NoFilterArrayAdapter<T extends Object> extends ArrayAdapter<T> {
 
     private final List<T> objects;
+    private final DecimalFormat formatter;
+
     private final Filter filter_that_does_nothing = new Filter() {
 
         @Override
     /**
      * Constructor
      *
-     * @param context  the context
+     * @param context the context
      * @param resource the resource
-     * @param objects  the list of objects
+     * @param objects the list of objects
      */
     public NoFilterArrayAdapter(@NonNull Context context, int resource, @NonNull List<T> objects) {
+        this(context, resource, objects, null);
+    }
+
+    /**
+     * Constructor
+     *
+     * @param context the context
+     * @param resource the resource
+     * @param objects the list of objects
+     * @param formatter a formatter for the items
+     */
+    public NoFilterArrayAdapter(@NonNull Context context, int resource, @NonNull List<T> objects, @Nullable DecimalFormat formatter) {
         super(context, resource, objects);
         this.objects = objects;
+        this.formatter = formatter;
     }
 
     /**
      * Constructor
      *
-     * @param context  the context
+     * @param context the context
      * @param resource the resource
-     * @param objects  the list of objects
+     * @param objects the list of objects
      */
     public NoFilterArrayAdapter(@NonNull Context context, int resource, @NonNull T[] objects) {
+        this(context, resource, objects, null);
+    }
+
+    /**
+     * Constructor
+     *
+     * @param context the context
+     * @param resource the resource
+     * @param objects the list of objects
+     * @param formatter a formatter for the items
+     */
+    public NoFilterArrayAdapter(@NonNull Context context, int resource, @NonNull T[] objects, @Nullable DecimalFormat formatter) {
         super(context, resource, objects);
         this.objects = Arrays.asList(objects);
+        this.formatter = formatter;
     }
 
     @NonNull
     public Filter getFilter() {
         return filter_that_does_nothing;
     }
+
+    @NonNull
+    @Override
+    public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
+        if (this.formatter == null) {
+            return super.getView(position, convertView, parent);
+        } else {
+            T item = getItem(position);
+            if (item instanceof Double) {
+                String val = this.formatter.format(item);
+                convertView = LayoutInflater.from(getContext()).inflate(R.layout.simple_spinner_line, parent, false);
+                TextView tv = convertView.findViewById(R.id.idSimpleLineText);
+                tv.setText(val);
+            } else {
+                return super.getView(position, convertView, parent);
+            }
+            return convertView;
+        }
+    }
 }

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

             android:layout_width="match_parent"
             android:layout_height="wrap_content">
 
-
             <TextView
                 android:id="@+id/bowAndArrowParams"
                 style="@style/Widget.AppCompat.TextView"
         android:layout_gravity="bottom|end"
         android:layout_marginBottom="8dp"
         android:layout_marginEnd="8dp"
+        app:borderWidth="6dp"
         app:fabSize="auto"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"

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

     android:layout_height="match_parent"
     tools:context=".ui.calcsight.CalculateSightParametersFragment">
 
-    <TextView
-        android:id="@+id/text_calcsight_sightsetting"
-        android:layout_width="match_parent"
+    <ScrollView
+        android:layout_width="0dp"
         android:layout_height="0dp"
-        android:layout_marginEnd="8dp"
-        android:layout_marginStart="8dp"
-        android:layout_marginTop="8dp"
-        android:textAlignment="center"
-        android:textSize="20sp"
+        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.0"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.0">
 
-    <com.google.android.material.textfield.TextInputLayout
-        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
-        android:layout_width="0dp"
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <TextView
+                android:id="@+id/sightSettings"
+                style="@style/Widget.AppCompat.TextView"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginStart="8dp"
+                android:layout_marginTop="16dp"
+                android:background="@color/purple_700"
+                android:padding="4dp"
+                android:text="@string/titleSightConfig"
+                android:textAppearance="@style/TextAppearance.AppCompat.Large"
+                android:textColor="@color/white"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintHorizontal_bias="1.0"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/ssRiserSelectionLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox.ExposedDropdownMenu"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginStart="8dp"
+                android:layout_marginTop="8dp"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/sightSettings">
+
+                <AutoCompleteTextView
+                    android:id="@+id/ssRiserSelectionTxt"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:editable="false"
+                    android:hint="@string/scRiserLbl"
+                    android:singleLine="true" />
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <androidx.constraintlayout.helper.widget.Flow
+                android:id="@+id/vvisParamsFlow"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginStart="8dp"
+                android:layout_marginTop="9dp"
+                app:constraint_referenced_ids="ssvVisHLayout, ssvVisVLayout "
+                app:flow_wrapMode="aligned"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/ssRiserSelectionLayout" />
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/ssvVisHLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:paddingRight="4dp"
+                app:layout_constraintTop_toBottomOf="@+id/ssRiserSelectionLayout"
+                tools:layout_editor_absoluteX="8dp">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/ssvVisHTxt"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:editable="false"
+                    android:hint="@string/scVvisHLbl"
+                    android:nextFocusDown="@id/ssvVisVTxt"
+                    android:singleLine="true" />
+
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/ssvVisVLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:paddingLeft="4dp"
+                app:layout_constraintStart_toEndOf="@+id/ssvVisHLayout"
+                app:layout_constraintTop_toBottomOf="@+id/ssRiserSelectionLayout">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/ssvVisVTxt"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:editable="false"
+                    android:hint="@string/scVvisVLbl"
+                    android:nextFocusDown="@id/ssSightSelectionTxt"
+                    android:singleLine="true" />
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/ssSightSelectionLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox.ExposedDropdownMenu"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginStart="8dp"
+                android:layout_marginTop="8dp"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/vvisParamsFlow">
+
+                <AutoCompleteTextView
+                    android:id="@+id/ssSightSelectionTxt"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:editable="false"
+                    android:hint="@string/scSightLbl"
+                    android:singleLine="true" />
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/ssHorizontalSightSettingLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox.ExposedDropdownMenu"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginStart="8dp"
+                android:layout_marginTop="8dp"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/ssSightSelectionLayout">
+
+                <ch.spherIC.recurvebowsight.components.NumberAutoCompleteTextView
+                    android:id="@+id/ssHorizontalSightSettingTxt"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:editable="false"
+                    android:hint="@string/scHeVSLbl"
+                    android:padding="16dp"
+                    android:singleLine="true"
+                    android:textSize="16sp" />
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <androidx.constraintlayout.helper.widget.Flow
+                android:id="@+id/ssaHVParamsFlow"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginStart="8dp"
+                android:layout_marginTop="8dp"
+                app:constraint_referenced_ids="ssaVLayout,ssaHLayout "
+                app:flow_wrapMode="aligned"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/ssHorizontalSightSettingLayout" />
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/ssaVLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:paddingRight="4dp"
+                tools:layout_editor_absoluteX="8dp"
+                tools:layout_editor_absoluteY="339dp">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/ssaVTxt"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:editable="false"
+                    android:hint="@string/scaVLbl"
+                    android:nextFocusDown="@id/ssVertScaleRngTxt"
+                    android:singleLine="true" />
+            </com.google.android.material.textfield.TextInputLayout>
+
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/ssaHLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:paddingLeft="4dp"
+                app:layout_constraintStart_toEndOf="@+id/ssaVLayout"
+                app:layout_constraintTop_toBottomOf="@+id/ssHorizontalSightSettingLayout">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/ssaHTxt"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:editable="false"
+                    android:hint="@string/scaHLbl"
+                    android:nextFocusDown="@id/ssVertScaleRngTxt"
+                    android:singleLine="true" />
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <androidx.constraintlayout.helper.widget.Flow
+                android:id="@+id/ssScaleParamsFlow"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginStart="8dp"
+                android:layout_marginTop="8dp"
+                app:constraint_referenced_ids="ssVertScaleRngLayout,ssVertScalePointerOffsetLayout"
+                app:flow_wrapMode="aligned"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/ssaHVParamsFlow" />
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/ssVertScaleRngLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:paddingRight="4dp"
+                tools:layout_editor_absoluteX="8dp"
+                tools:layout_editor_absoluteY="339dp">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/ssVertScaleRngTxt"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:editable="false"
+                    android:hint="@string/scVertScaleRngLbl"
+                    android:nextFocusDown="@id/ssVertSkalaMiddleTxt"
+                    android:singleLine="true" />
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/ssVertScalePointerOffsetLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:paddingLeft="4dp"
+                app:layout_constraintStart_toEndOf="@+id/ssVertScaleRngLayout"
+                app:layout_constraintTop_toBottomOf="@+id/ssaHLayout">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/ssVertScalePointerOffsetTxt"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:editable="false"
+                    android:hint="@string/scVertScalePointerOffsetLbl"
+                    android:nextFocusDown="@id/ssVertSkalaMiddleTxt"
+                    android:singleLine="true" />
+            </com.google.android.material.textfield.TextInputLayout>
+
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/ssVertSkalaMiddleLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginStart="8dp"
+                android:layout_marginTop="8dp"
+                android:layout_weight="1"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/ssScaleParamsFlow">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/ssVertSkalaMiddleTxt"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:hint="@string/scVertSkalaMiddleLbl"
+                    android:singleLine="true" />
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="72dp"
+                android:layout_marginEnd="8dp"
+                android:layout_marginStart="8dp"
+                android:layout_marginTop="8dp"
+                android:orientation="horizontal"
+                android:weightSum="2"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/ssVertSkalaMiddleLayout">
+
+                <Space
+                    android:layout_width="0dp"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <com.google.android.material.textfield.TextInputLayout
+                    android:id="@+id/ssEvSLayout"
+                    style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="8dp"
+                    android:layout_weight="1"
+                    app:boxCornerRadiusBottomEnd="8dp"
+                    app:boxCornerRadiusBottomStart="8dp"
+                    app:boxCornerRadiusTopEnd="8dp"
+                    app:boxCornerRadiusTopStart="8dp"
+                    app:boxStrokeWidth="2.5dp"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@+id/ssScaleParamsFlow">
+
+                    <com.google.android.material.textfield.TextInputEditText
+                        android:id="@+id/ssEvSTxt"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1"
+                        android:editable="false"
+                        android:fontFamily="sans-serif-medium"
+                        android:hint="@string/scEvSLbl"
+                        android:paddingVertical="15dp"
+                        android:singleLine="true"
+                        android:textSize="20sp" />
+                </com.google.android.material.textfield.TextInputLayout>
+
+            </LinearLayout>
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </ScrollView>
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/fab_calculate"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_marginBottom="8dp"
         android:layout_marginEnd="8dp"
-        android:layout_marginStart="8dp"
+        app:borderWidth="6dp"
+        app:fabSize="auto"
+        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/text_calcsight_sightsetting" />
+        app:maxImageSize="36dp"
+        app:srcCompat="@drawable/ic_icon_calculate"
+        tools:ignore="SpeakableTextPresentCheck" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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

             android:layout_height="match_parent"
             android:layout_marginHorizontal="8dp"
             android:layout_marginTop="8dp"
-            android:background="@color/light_gray"
+            android:background="@color/gray_light"
             android:ems="10"
             android:inputType="textMultiLine"
             android:padding="4dp"

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

+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/idSimpleLineText"
+    style="?android:attr/dropDownItemStyle"
+    android:layout_width="match_parent"
+    android:layout_height="?android:attr/listPreferredItemHeight"
+    android:ellipsize="marquee"
+    android:singleLine="true"
+    android:textAppearance="?android:attr/textAppearanceLargePopupMenu" />

app/src/main/res/values-de/strings.xml

     <string name="rcVvisVLbl">VvisV [mm]</string>
     <string name="scTitleSightConfig">Konfiguration Visier</string>
     <string name="rcSightLbl">Visier</string>
+    <string name="titleSightConfig">Visiereinstellung</string>
+    <string name="scRiserLbl">Griffstück</string>
+    <string name="scVvisHLbl">VvisH [mm]</string>
+    <string name="scVvisVLbl">VvisV [mm]</string>
+    <string name="scSightLbl">Visier</string>
     <string name="scManufacturerLbl">Hersteller</string>
     <string name="scModelLbl">Modell</string>
     <string name="scHeVSLbl">Horz. Einst. Visierschlitten [mm]</string>
     <string name="scaHLbl">aH [mm]</string>
     <string name="scaVLbl">aV [mm]</string>
-    <string name="scVertScaleRngLbl">Bereich vert. Skala [mm] /\nSkalenversatz [mm]</string>
+    <string name="scVertScaleRngLbl">Bereich vert. Skala [mm]</string>
+    <string name="scVertScalePointerOffsetLbl">Skalenversatz [mm]</string>
     <string name="scVertScaleRngMinLbl">Min. Bereich vert. Skala [mm]</string>
     <string name="scVertScaleRngMaxLbl">Max. Bereich vert. Skala [mm]</string>
     <string name="scVertSkalaMiddleLbl">Mittelstellung M vert. Skala [mm]</string>

app/src/main/res/values/colors.xml

     <color name="teal_700">#FF018786</color>
     <color name="black">#FF000000</color>
     <color name="white">#FFFFFFFF</color>
-    <color name="light_gray">#EBF1F8</color>
+    <color name="gray_light">#EBF1F8</color>
+    <color name="gray_medium">#FFA0A0A0</color>
     <color name="qrt_translucent_white">#BDFFFFFF</color>
     <color name="semi_translucent_black">#80000000</color>
+    <color name="android_green">#FF99CC00</color>
+    <color name="android_green_dark">#FF669900</color>
+    <color name="android_yellow">#FFFFBB33</color>
+    <color name="android_yellow_dark">#FFFF8800</color>
+    <color name="android_red">#FFFF4444</color>
+    <color name="android_red_dark">#FFCC0000</color>
+
 </resources>

app/src/main/res/values/strings.xml

     <string name="rcVvisVLbl">VvisV [mm]</string>
     <string name="scTitleSightConfig">Sight Configuration</string>
     <string name="rcSightLbl">Sight</string>
+    <string name="titleSightConfig">Sight Setting</string>
+    <string name="scRiserLbl">Riser</string>
+    <string name="scVvisHLbl">VvisH [mm]</string>
+    <string name="scVvisVLbl">VvisV [mm]</string>
+    <string name="scSightLbl">Sight</string>
     <string name="scManufacturerLbl">Manufacturer</string>
     <string name="scModelLbl">Model</string>
     <string name="scHeVSLbl">Horz. Sight Sliding Carriage [mm]</string>
     <string name="scaHLbl">aH [mm]</string>
     <string name="scaVLbl">aV [mm]</string>
-    <string name="scVertScaleRngLbl">Vert. Scale Range [mm] /\nScale Pointer Offset [mm]</string>
+    <string name="scVertScaleRngLbl">Vert. Scale Range [mm]</string>
+    <string name="scVertScalePointerOffsetLbl">Scale Pointer Offset [mm]</string>
     <string name="scVertScaleRngMinLbl">Vert. Scale Range Min. [mm]</string>
     <string name="scVertScaleRngMaxLbl">Vert. Scale Range Max. [mm]</string>
     <string name="scVertSkalaMiddleLbl">Vert. Scale Middle Setting M [mm]</string>
     <string name="fcChart_TitleLable">Trajectory</string>
     <string name="fcChart_TitleXAxis">Distance [m]</string>
     <string name="fcChart_TitleYAxis">Height [m]</string>
+
 </resources>