default settings and calculation with default settings

.idea/assetWizardSettings.xml

                                 <PersistentState>
                                   <option name="values">
                                     <map>
-                                      <entry key="url" value="file:/$USER_HOME$/AppData/Local/Android/Sdk/icons/material/materialiconsoutlined/calculate/outline_calculate_24.xml" />
+                                      <entry key="url" value="file:/$USER_HOME$/AppData/Local/Android/Sdk/icons/material/materialiconsround/settings/round_settings_24.xml" />
                                     </map>
                                   </option>
                                 </PersistentState>
                         </option>
                         <option name="values">
                           <map>
-                            <entry key="outputName" value="ic_icon_calculate" />
+                            <entry key="outputName" value="ic_settings" />
                             <entry key="sourceFile" value="Z:\Work\Java Projects\Android\RecurveBowSight\FITA_Target_logo_round.svg" />
                           </map>
                         </option>

.idea/misc.xml

         <entry key="..\:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/res/drawable/ic_spheric_logo.xml" value="0.2825" />
         <entry key="..\:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/res/drawable/rbs_anim_splash_logo.xml" value="0.25" />
         <entry key="..\:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/res/drawable/side_nav_bar.xml" value="0.285" />
+        <entry key="..\:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/res/layout/activity_default_settings.xml" value="0.25" />
         <entry key="..\:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/res/layout/activity_equipment_configuration.xml" value="0.1994535519125683" />
         <entry key="..\:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/res/layout/activity_main.xml" value="0.28072916666666664" />
         <entry key="..\:/Work/Java Projects/Android/RecurveBowSight/V2/app/src/main/res/layout/activity_riser_configuration.xml" value="0.2" />

.idea/workspace.xml

   </component>
   <component name="ChangeListManager">
     <list default="true" id="41369230-c648-4299-baf3-de5f13bcb18c" name="Changes" comment="">
-      <change afterPath="$PROJECT_DIR$/app/src/main/res/layout/simple_spinner_line.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/ui/configuration/DefaultSettingsActivity.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/app/src/main/res/layout/activity_default_settings.xml" 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/assetWizardSettings.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/assetWizardSettings.xml" 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/AndroidManifest.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/AndroidManifest.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/RBSMainActivity.java" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/RBSMainActivity.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/java/ch/spherIC/recurvebowsight/ui/calcsight/CalculateSightSightSettingFragment.java" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/ui/calcsight/CalculateSightSightSettingFragment.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/ui/calcsight/CalculateSightSightSettingViewModel.java" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/ui/calcsight/CalculateSightSightSettingViewModel.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/utilities/NoFilterArrayAdapter.java" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/utilities/NoFilterArrayAdapter.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/res/layout/fragment_calcsight_parameters.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/layout/fragment_calcsight_parameters.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/res/layout/fragment_calcsight_sightsetting.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/layout/fragment_calcsight_sightsetting.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/res/layout/fragment_calcsight_trajectory.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/layout/fragment_calcsight_trajectory.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/utilities/PlatformUtils.java" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/utilities/PlatformUtils.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/res/anim" beforeDir="true" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/res/anim/splashscreenicon.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/res/menu/main.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/menu/main.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/app/src/main/res/values-de/strings.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/values-de/strings.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/res/values/colors.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/values/colors.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/app/src/main/res/values/strings.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/values/strings.xml" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <key name="android.template.1734690915">
       <recent name="ch.spherIC.recurvebowsight.ui.configuration" />
     </key>
+    <key name="android.template.-1206743600">
+      <recent name="ch.spherIC.recurvebowsight.ui.configuration" />
+    </key>
     <key name="MoveFile.RECENT_KEYS">
       <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\res\anim" />
         </line-breakpoint>
         <line-breakpoint enabled="true" suspend="THREAD" type="java-line">
           <url>file://$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/ui/calcsight/CalculateSightParametersFragment.java</url>
-          <line>99</line>
+          <line>102</line>
           <option name="timeStamp" value="116" />
         </line-breakpoint>
         <line-breakpoint enabled="true" suspend="THREAD" type="java-line">
           <line>96</line>
           <option name="timeStamp" value="122" />
         </line-breakpoint>
+        <line-breakpoint enabled="true" suspend="THREAD" type="java-line">
+          <url>file://$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/RBSMainActivity.java</url>
+          <line>70</line>
+          <option name="timeStamp" value="125" />
+        </line-breakpoint>
+        <line-breakpoint enabled="true" suspend="THREAD" type="java-line">
+          <url>file://$PROJECT_DIR$/app/src/main/java/ch/spherIC/recurvebowsight/ui/calcsight/CalculateSightParametersFragment.java</url>
+          <line>78</line>
+          <option name="timeStamp" value="127" />
+        </line-breakpoint>
       </breakpoints>
     </breakpoint-manager>
     <watches-manager>
       <configuration name="app">
         <watch expression="this" />
+        <watch expression="item.getTitle()" language="JAVA" />
+        <watch expression="sharedPreferences.getFloat(DEFAULT_SETTING_AIRTEMP, 0.0f)" language="JAVA" />
       </configuration>
     </watches-manager>
   </component>

app/src/main/AndroidManifest.xml

         android:supportsRtl="true"
         android:theme="@style/Theme.RecurveBowSight"
         tools:targetApi="31">
+        <activity
+            android:name=".ui.configuration.DefaultSettingsActivity"
+            android:exported="false" />
         <activity
             android:name=".ui.configuration.ArcherySetupConfigurationActivity"
             android:exported="false" />

app/src/main/java/ch/spherIC/recurvebowsight/RBSMainActivity.java

  */
 package ch.spherIC.recurvebowsight;
 
+import android.content.Intent;
 import android.os.Bundle;
 import android.view.Menu;
+import android.view.MenuItem;
 
 import com.google.android.material.navigation.NavigationView;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.splashscreen.SplashScreen;
 import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.navigation.ui.NavigationUI;
 import ch.spherIC.recurvebowsight.database.RBSDatabaseHelper;
 import ch.spherIC.recurvebowsight.databinding.ActivityMainBinding;
+import ch.spherIC.recurvebowsight.ui.configuration.DefaultSettingsActivity;
 import ch.spherIC.recurvebowsight.utilities.UnitConverter;
 
 public class RBSMainActivity extends AppCompatActivity {
         return true;
     }
 
+    @Override
+    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.action_settings:
+                Intent defaultSettingsActivityIntent = new Intent(this.binding.getRoot().getContext(), DefaultSettingsActivity.class);
+                startActivity(defaultSettingsActivityIntent);
+                return true;
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+
     @Override
     public boolean onSupportNavigateUp() {
         NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_content_main);

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

 
 import android.app.ProgressDialog;
 import android.content.Context;
+import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.text.Editable;
 import android.view.Gravity;
         if (getParentFragment() != null && getParentFragment().getArguments() != null && getParentFragment().getArguments().containsKey("setup")) {
             IArcherySetup archerySetup = getParentFragment().getArguments().getParcelable("setup");
             this.calculateSightViewModel.setSelectedArcherySetup(archerySetup);
+            loadDefaultValues();
+
             Bundle bundle = new Bundle();
             bundle.putParcelable("selectedArcherySetup", archerySetup);
             getParentFragmentManager().setFragmentResult("selectedArcherySetup", bundle);
 
         this.binding.deltaTimeTxt.setText(calcAccuracyToSet);
     }
+
+    private void loadDefaultValues() {
+        SharedPreferences sharedPreferences = this.binding.getRoot().getContext().getSharedPreferences(PlatformUtils.DEFAULT_SETTINGS_PREF, Context.MODE_PRIVATE);
+        if (sharedPreferences != null) {
+            this.calculateSightViewModel.setAirTemperature((double) sharedPreferences.getFloat(PlatformUtils.DEFAULT_SETTING_AIRTEMP, 0.0f));
+            this.calculateSightViewModel.setRelativeAirHumidity((double) sharedPreferences.getFloat(PlatformUtils.DEFAULT_SETTING_RELAIRHUMIDITY, 0.0f));
+            this.calculateSightViewModel.setShootingDistance((double) sharedPreferences.getFloat(PlatformUtils.DEFAULT_SETTING_SHOOTINGDIST, 0.0f));
+        }
+    }
 }

app/src/main/java/ch/spherIC/recurvebowsight/ui/configuration/DefaultSettingsActivity.java

+package ch.spherIC.recurvebowsight.ui.configuration;
+
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.EditText;
+
+import java.text.DecimalFormat;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import ch.spherIC.recurvebowsight.R;
+import ch.spherIC.recurvebowsight.databinding.ActivityDefaultSettingsBinding;
+import ch.spherIC.recurvebowsight.utilities.PlatformUtils;
+
+public class DefaultSettingsActivity extends AppCompatActivity {
+
+    public static final DecimalFormat DF = new DecimalFormat("0.#");
+
+    private ActivityDefaultSettingsBinding binding;
+    private EditText defaultAirTemp;
+    private EditText defaultRelAirHumidity;
+    private EditText defaultShootingDistance;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_default_settings);
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        getSupportActionBar().setTitle(R.string.caption_Cfg_DefaultValues_Title);
+
+        this.binding = ActivityDefaultSettingsBinding.bind(findViewById(R.id.activity_default_settings));
+
+        this.binding.defauButtonSave.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                saveDefaultValues();
+            }
+        });
+        loadDefaultValues();
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                this.finish();
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    private void loadDefaultValues() {
+        SharedPreferences sharedPreferences = getSharedPreferences(PlatformUtils.DEFAULT_SETTINGS_PREF, MODE_PRIVATE);
+        if (sharedPreferences != null) {
+            this.binding.airTemperatureTxt.setText(getFloatStingVal(sharedPreferences.getFloat(PlatformUtils.DEFAULT_SETTING_AIRTEMP, 0.0f)));
+            this.binding.airRelativeHumidityTxt.setText(getFloatStingVal(sharedPreferences.getFloat(PlatformUtils.DEFAULT_SETTING_RELAIRHUMIDITY, 0.0f)));
+            this.binding.shootingDistanzTxt.setText(getFloatStingVal(sharedPreferences.getFloat(PlatformUtils.DEFAULT_SETTING_SHOOTINGDIST, 0.0f)));
+        }
+    }
+
+    private void saveDefaultValues() {
+        SharedPreferences sharedPreferences = getSharedPreferences(PlatformUtils.DEFAULT_SETTINGS_PREF, MODE_PRIVATE);
+        if (sharedPreferences != null) {
+            SharedPreferences.Editor editor = sharedPreferences.edit();
+            editor.putFloat(PlatformUtils.DEFAULT_SETTING_AIRTEMP, Float.parseFloat(this.binding.airTemperatureTxt.getText().toString()));
+            editor.putFloat(PlatformUtils.DEFAULT_SETTING_RELAIRHUMIDITY, Float.parseFloat(this.binding.airRelativeHumidityTxt.getText().toString()));
+            editor.putFloat(PlatformUtils.DEFAULT_SETTING_SHOOTINGDIST, Float.parseFloat(this.binding.shootingDistanzTxt.getText().toString()));
+            editor.commit();
+        }
+    }
+
+    private String getFloatStingVal(float val) {
+        return val == 0.0 ? "" : DF.format(val);
+    }
+
+
+}

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

 import android.view.Gravity;
 import android.widget.Toast;
 
+import java.text.DecimalFormat;
+
 import ch.spherIC.recurvebowsight.R;
 
 
  */
 public class PlatformUtils {
 
-//    public static int platformSelectionColor;
-
- /*   public static int getPlatformSelectionColor(final Context ctx) {
-
-        Bitmap bitmap = BitmapFactory.decodeResource(ctx.getResources(), android.R.drawable.list_selector_background);
-
-        int redBucket = 0;
-        int greenBucket = 0;
-        int blueBucket = 0;
-        int pixelCount = 0;
-
-        if (bitmap != null) {
-            for (int y = 0; y < bitmap.getHeight(); y++) {
-                for (int x = 0; x < bitmap.getWidth(); x++) {
-                    int c = bitmap.getPixel(x, y);
-
-                    pixelCount++;
-                    redBucket += Color.red(c);
-                    greenBucket += Color.green(c);
-                    blueBucket += Color.blue(c);
-                    // does alpha matter?
-                }
-            }
-
-            platformSelectionColor = Color.rgb(redBucket / pixelCount, greenBucket / pixelCount, blueBucket / pixelCount);
-            return platformSelectionColor;
-        }
-
-        return 0;
-    }*/
+    public static final String DEFAULT_SETTINGS_PREF = "DefaultSettings";
+    public static final String DEFAULT_SETTING_AIRTEMP = "airTemperature";
+    public static final String DEFAULT_SETTING_RELAIRHUMIDITY = "relAirHumidity";
+    public static final String DEFAULT_SETTING_SHOOTINGDIST = "shootingDistance";
+    private static final DecimalFormat DF_1 = new DecimalFormat("0.#");
 
     public static Double parseDouble(String doubleVal) {
         if (!TextUtils.isEmpty(doubleVal)) {
         return toast;
     }
 
-
 }

app/src/main/res/anim/splashscreenicon.xml

-<?xml version="1.0" encoding="utf-8"?>
-<set>
-
-</set>

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

+<vector android:height="24dp" android:tint="#000000"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M19.5,12c0,-0.23 -0.01,-0.45 -0.03,-0.68l1.86,-1.41c0.4,-0.3 0.51,-0.86 0.26,-1.3l-1.87,-3.23c-0.25,-0.44 -0.79,-0.62 -1.25,-0.42l-2.15,0.91c-0.37,-0.26 -0.76,-0.49 -1.17,-0.68l-0.29,-2.31C14.8,2.38 14.37,2 13.87,2h-3.73C9.63,2 9.2,2.38 9.14,2.88L8.85,5.19c-0.41,0.19 -0.8,0.42 -1.17,0.68L5.53,4.96c-0.46,-0.2 -1,-0.02 -1.25,0.42L2.41,8.62c-0.25,0.44 -0.14,0.99 0.26,1.3l1.86,1.41C4.51,11.55 4.5,11.77 4.5,12s0.01,0.45 0.03,0.68l-1.86,1.41c-0.4,0.3 -0.51,0.86 -0.26,1.3l1.87,3.23c0.25,0.44 0.79,0.62 1.25,0.42l2.15,-0.91c0.37,0.26 0.76,0.49 1.17,0.68l0.29,2.31C9.2,21.62 9.63,22 10.13,22h3.73c0.5,0 0.93,-0.38 0.99,-0.88l0.29,-2.31c0.41,-0.19 0.8,-0.42 1.17,-0.68l2.15,0.91c0.46,0.2 1,0.02 1.25,-0.42l1.87,-3.23c0.25,-0.44 0.14,-0.99 -0.26,-1.3l-1.86,-1.41C19.49,12.45 19.5,12.23 19.5,12zM12.04,15.5c-1.93,0 -3.5,-1.57 -3.5,-3.5s1.57,-3.5 3.5,-3.5s3.5,1.57 3.5,3.5S13.97,15.5 12.04,15.5z"/>
+</vector>

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

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/activity_default_settings"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.configuration.DefaultSettingsActivity">
+
+    <Button
+        android:id="@+id/defau_button_save"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:layout_marginTop="24dp"
+        android:layout_weight="1"
+        android:text="@string/caption_Save"
+        android:textSize="12sp"
+        app:icon="@drawable/ic_icon_save"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/shootingDistanzLayout" />
+
+    <TextView
+        android:id="@+id/defaultSettingsTitle"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="16dp"
+        android:text="@string/caption_Cfg_DefaultValues_Title"
+        android:textSize="20sp"
+        android:textStyle="bold"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/airRelativeHumidityLayout"
+        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+        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/airTemperatureLayout">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/airRelativeHumidityTxt"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/airRelativeHumidityLbl"
+            android:singleLine="true" />
+    </com.google.android.material.textfield.TextInputLayout>
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/shootingDistanzLayout"
+        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+        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/airRelativeHumidityLayout">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/shootingDistanzTxt"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/shootingDistanzLbl"
+            android:singleLine="true" />
+    </com.google.android.material.textfield.TextInputLayout>
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/airTemperatureLayout"
+        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+        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/defaultSettingsTitle">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/airTemperatureTxt"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/airTemperatureLbl"
+            android:singleLine="true" />
+
+    </com.google.android.material.textfield.TextInputLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/menu/main.xml

     xmlns:app="http://schemas.android.com/apk/res-auto">
     <item
         android:id="@+id/action_settings"
+        android:icon="@drawable/ic_settings"
         android:orderInCategory="100"
         android:title="@string/action_settings"
         app:showAsAction="never" />

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

     <string name="caption_Cfg_SaveSuccessful">\'%s\' erfolgreich gespeichert!</string>
     <string name="caption_Cfg_UpdateSuccessful">\'%s\' erfolgreich geändert!</string>
     <string name="caption_Calculating">Berechnung läuft&#8230;</string>
+    <string name="caption_Cfg_DefaultValues_Title">Standardwerte</string>
 
     <string name="fcChart_StartAngle">Abschusswinkel:\n</string>
     <string name="fcChart_MaxHeight">Max. Höhe der Flugbahn:\n</string>
     <string name="fcChart_TitleXAxis">Distanz [m]</string>
     <string name="fcChart_TitleYAxis">Höhe [m]</string>
 
+
 </resources>

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

     <string name="caption_Cfg_SaveSuccessful">\'%s\' was saved successfully!</string>
     <string name="caption_Cfg_UpdateSuccessful">\'%s\' was updated successfully!</string>
     <string name="caption_Calculating">Calculating&#8230;</string>
+    <string name="caption_Cfg_DefaultValues_Title">Default values</string>
 
     <string name="fcChart_StartAngle">Elevation Angle:\n</string>
     <string name="fcChart_MaxHeight">Max. Height of Trajectory:\n</string>