Added Button to set selected enigma to random configuration

CHANGELOG.txt

@@ -12,10 +12,10 @@ v0.1.8-not-yet-released<
 *Added different colors to the plugboard-/pluggable reflector dialog. This helps to differentiate connections.
 *Reworked InputPreparer using decorator pattern and added options to customize input preparation
 *Reworked Reflector-/Rotor creation/management
+*Added Button to set the Enigma into a random configuration
 *TODO: Add Enigma Z (Probably wont happen due to lack of information :/)
 *TODO: Add multi-Enigma (select any rotor/reflector etc. Probably wont happen too soon)
-*TODO: Button to set the Enigma into a random configuration
+*TODO: Enigma configuration from/to seed (text or qr code)
-*TODO: Enigma configuration from seed (text or qr code)
 
 v0.1.7-15.09.2015<
 *Added Enigma K

app/src/main/java/de/vanitasvitae/enigmandroid/MainActivity.java

@@ -287,6 +287,14 @@ public class MainActivity extends Activity
                     Toast.LENGTH_SHORT).show();
             return true;
         }
+        else if (id == R.id.action_random_configuration)
+        {
+            layoutContainer.getEnigma().randomState();
+            layoutContainer.setLayoutState(layoutContainer.getEnigma().getState());
+            Toast.makeText(getApplicationContext(), R.string.message_random,
+                    Toast.LENGTH_SHORT).show();
+            return true;
+        }
         else if (id == R.id.action_choose_ringstellung)
         {
             layoutContainer.showRingSettingsDialog();

app/src/main/java/de/vanitasvitae/enigmandroid/enigma/Enigma.java

@@ -65,6 +65,13 @@ public abstract class Enigma
      */
     public abstract void nextState();
 
+    /**
+     * Set the enigma to a random state.
+     * Don not choose a rotor twice, set random rotations, ringSettings, ukw and possibly
+     * plugboard / rewirable ukw configurations.
+     */
+    public abstract void randomState();
+
     /**
      * Substitute char k by sending the signal through the enigma.
      * The signal passes the plugboard, the rotors and returns back after going through the

app/src/main/java/de/vanitasvitae/enigmandroid/enigma/Enigma_D.java

@@ -1,10 +1,14 @@
 package de.vanitasvitae.enigmandroid.enigma;
 
+import java.security.SecureRandom;
+import java.util.Random;
+
 import de.vanitasvitae.enigmandroid.enigma.rotors.Reflector;
 import de.vanitasvitae.enigmandroid.enigma.rotors.Rotor;
 
 /**
- * Concrete implementation of an enigma machine of type I
+ * Concrete implementation of an enigma machine of type D
+ * This machine has a rewirable UKW, non changeable rotors.
  * Copyright (C) 2015  Paul Schaub
 
  This program is free software; you can redistribute it and/or modify
@@ -61,6 +65,27 @@ public class Enigma_D extends Enigma {
         }
     }
 
+    @Override
+    public void randomState()
+    {
+        Random rand = new SecureRandom();
+        int rot1 = rand.nextInt(26);
+        int rot2 = rand.nextInt(26);
+        int rot3 = rand.nextInt(26);
+        int rotRef = rand.nextInt(26);
+        int ring1 = rand.nextInt(26);
+        int ring2 = rand.nextInt(26);
+        int ring3 = rand.nextInt(26);
+        int ringRef = rand.nextInt(26);
+
+        this.rotor1 = Rotor.createRotor(70, rot1, ring1);
+        this.rotor2 = Rotor.createRotor(71, rot2, ring2);
+        this.rotor3 = Rotor.createRotor(72, rot3, ring3);
+        this.reflector = (Reflector.ReflectorEnigma_D_KD_G31) Reflector.createReflector(70);
+        this.reflector.setRotation(rotRef);
+        this.reflector.setRingSetting(ringRef);
+    }
+
     @Override
     public char encryptChar(char k)
     {

app/src/main/java/de/vanitasvitae/enigmandroid/enigma/Enigma_G260.java

@@ -1,5 +1,8 @@
 package de.vanitasvitae.enigmandroid.enigma;
 
+import java.security.SecureRandom;
+import java.util.Random;
+
 import de.vanitasvitae.enigmandroid.enigma.rotors.Reflector;
 import de.vanitasvitae.enigmandroid.enigma.rotors.Rotor;
 
@@ -38,4 +41,31 @@ public class Enigma_G260 extends Enigma_G31
         this.rotor3 = Rotor.createRotor(62, 0, 0);
         this.reflector = Reflector.createReflector(60);
     }
+
+    @Override
+    public void randomState()
+    {
+        Random rand = new SecureRandom();
+
+        int rotor1, rotor2=-1, rotor3=-1;
+        rotor1 = rand.nextInt(3);
+        while(rotor2 == -1 || rotor2 == rotor1) rotor2 = rand.nextInt(3);
+        rotor3 = 3 - rotor1 - rotor2;
+
+        int rot1 = rand.nextInt(26);
+        int rot2 = rand.nextInt(26);
+        int rot3 = rand.nextInt(26);
+        int rotRef = rand.nextInt(26);
+        int ring1 = rand.nextInt(26);
+        int ring2 = rand.nextInt(26);
+        int ring3 = rand.nextInt(26);
+        int ringRef = rand.nextInt(26);
+
+        this.rotor1 = Rotor.createRotor(60 + rotor1, rot1, ring1);
+        this.rotor2 = Rotor.createRotor(60 + rotor2, rot2, ring2);
+        this.rotor3 = Rotor.createRotor(60 + rotor3, rot3, ring3);
+        this.reflector = Reflector.createReflector(60);
+        reflector.setRotation(rotRef);
+        reflector.setRingSetting(ringRef);
+    }
 }

app/src/main/java/de/vanitasvitae/enigmandroid/enigma/Enigma_G31.java

@@ -2,6 +2,9 @@ package de.vanitasvitae.enigmandroid.enigma;
 
 import android.util.Log;
 
+import java.security.SecureRandom;
+import java.util.Random;
+
 import de.vanitasvitae.enigmandroid.enigma.rotors.Reflector;
 import de.vanitasvitae.enigmandroid.enigma.rotors.Rotor;
 
@@ -67,6 +70,33 @@ public class Enigma_G31 extends Enigma
         }
     }
 
+    @Override
+    public void randomState()
+    {
+        Random rand = new SecureRandom();
+
+        int rotor1, rotor2=-1, rotor3=-1;
+        rotor1 = rand.nextInt(3);
+        while(rotor2 == -1 || rotor2 == rotor1) rotor2 = rand.nextInt(3);
+        rotor3 = 3 - rotor1 - rotor2;
+
+        int rot1 = rand.nextInt(26);
+        int rot2 = rand.nextInt(26);
+        int rot3 = rand.nextInt(26);
+        int rotRef = rand.nextInt(26);
+        int ring1 = rand.nextInt(26);
+        int ring2 = rand.nextInt(26);
+        int ring3 = rand.nextInt(26);
+        int ringRef = rand.nextInt(26);
+
+        this.rotor1 = Rotor.createRotor(40 + rotor1, rot1, ring1);
+        this.rotor2 = Rotor.createRotor(40 + rotor2, rot2, ring2);
+        this.rotor3 = Rotor.createRotor(40 + rotor3, rot3, ring3);
+        this.reflector = Reflector.createReflector(40);
+        reflector.setRotation(rotRef);
+        reflector.setRingSetting(ringRef);
+    }
+
     @Override
     public char encryptChar(char k) {
         nextState();

app/src/main/java/de/vanitasvitae/enigmandroid/enigma/Enigma_G312.java

@@ -1,6 +1,8 @@
 package de.vanitasvitae.enigmandroid.enigma;
 
+import java.security.SecureRandom;
 import java.sql.Ref;
+import java.util.Random;
 
 import de.vanitasvitae.enigmandroid.enigma.rotors.Reflector;
 import de.vanitasvitae.enigmandroid.enigma.rotors.Rotor;
@@ -40,4 +42,31 @@ public class Enigma_G312 extends Enigma_G31
         this.rotor3 = Rotor.createRotor(52, 0, 0);
         this.reflector = Reflector.createReflector(50);
     }
+
+    @Override
+    public void randomState()
+    {
+        Random rand = new SecureRandom();
+
+        int rotor1, rotor2=-1, rotor3=-1;
+        rotor1 = rand.nextInt(3);
+        while(rotor2 == -1 || rotor2 == rotor1) rotor2 = rand.nextInt(3);
+        rotor3 = 3 - rotor1 - rotor2;
+
+        int rot1 = rand.nextInt(26);
+        int rot2 = rand.nextInt(26);
+        int rot3 = rand.nextInt(26);
+        int rotRef = rand.nextInt(26);
+        int ring1 = rand.nextInt(26);
+        int ring2 = rand.nextInt(26);
+        int ring3 = rand.nextInt(26);
+        int ringRef = rand.nextInt(26);
+
+        this.rotor1 = Rotor.createRotor(50 + rotor1, rot1, ring1);
+        this.rotor2 = Rotor.createRotor(50 + rotor2, rot2, ring2);
+        this.rotor3 = Rotor.createRotor(50 + rotor3, rot3, ring3);
+        this.reflector = Reflector.createReflector(50);
+        reflector.setRotation(rotRef);
+        reflector.setRingSetting(ringRef);
+    }
 }

app/src/main/java/de/vanitasvitae/enigmandroid/enigma/Enigma_I.java

@@ -1,5 +1,8 @@
 package de.vanitasvitae.enigmandroid.enigma;
 
+import java.security.SecureRandom;
+import java.util.Random;
+
 import de.vanitasvitae.enigmandroid.enigma.rotors.Reflector;
 import de.vanitasvitae.enigmandroid.enigma.rotors.Rotor;
 
@@ -63,6 +66,30 @@ public class Enigma_I extends Enigma
         }
     }
 
+    @Override
+    public void randomState()
+    {
+        Random rand = new SecureRandom();
+
+        int rotor1, rotor2=-1, rotor3=-1;
+        rotor1 = rand.nextInt(5);
+        while(rotor2 == -1 || rotor2 == rotor1) rotor2 = rand.nextInt(5);
+        while(rotor3 == -1 || rotor3 == rotor2 || rotor3 == rotor1) rotor3 = rand.nextInt(5);
+        int ref = rand.nextInt(3);
+
+        int rot1 = rand.nextInt(26);
+        int rot2 = rand.nextInt(26);
+        int rot3 = rand.nextInt(26);
+        int ring1 = rand.nextInt(26);
+        int ring2 = rand.nextInt(26);
+        int ring3 = rand.nextInt(26);
+
+        this.rotor1 = Rotor.createRotor(10 + rotor1, rot1, ring1);
+        this.rotor2 = Rotor.createRotor(10 + rotor2, rot2, ring2);
+        this.rotor3 = Rotor.createRotor(10 + rotor3, rot3, ring3);
+        this.reflector = Reflector.createReflector(10 + ref);
+    }
+
     @Override
     public char encryptChar(char k)
     {

app/src/main/java/de/vanitasvitae/enigmandroid/enigma/Enigma_K.java

@@ -1,5 +1,8 @@
 package de.vanitasvitae.enigmandroid.enigma;
 
+import java.security.SecureRandom;
+import java.util.Random;
+
 import de.vanitasvitae.enigmandroid.enigma.rotors.Reflector;
 import de.vanitasvitae.enigmandroid.enigma.rotors.Rotor;
 
@@ -61,6 +64,33 @@ public class Enigma_K extends Enigma
         }
     }
 
+    @Override
+    public void randomState()
+    {
+        Random rand = new SecureRandom();
+
+        int rotor1, rotor2=-1, rotor3=-1;
+        rotor1 = rand.nextInt(3);
+        while(rotor2 == -1 || rotor2 == rotor1) rotor2 = rand.nextInt(3);
+        rotor3 = 3 - rotor1 - rotor2;
+
+        int rot1 = rand.nextInt(26);
+        int rot2 = rand.nextInt(26);
+        int rot3 = rand.nextInt(26);
+        int rotRef = rand.nextInt(26);
+        int ring1 = rand.nextInt(26);
+        int ring2 = rand.nextInt(26);
+        int ring3 = rand.nextInt(26);
+        int ringRef = rand.nextInt(26);
+
+        this.rotor1 = Rotor.createRotor(80 + rotor1, rot1, ring1);
+        this.rotor2 = Rotor.createRotor(80 + rotor2, rot2, ring2);
+        this.rotor3 = Rotor.createRotor(80 + rotor3, rot3, ring3);
+        this.reflector = Reflector.createReflector(80);
+        reflector.setRotation(rotRef);
+        reflector.setRingSetting(ringRef);
+    }
+
     @Override
     public char encryptChar(char k) {
         nextState();

app/src/main/java/de/vanitasvitae/enigmandroid/enigma/Enigma_K_Swiss_Airforce.java

@@ -1,5 +1,8 @@
 package de.vanitasvitae.enigmandroid.enigma;
 
+import java.security.SecureRandom;
+import java.util.Random;
+
 import de.vanitasvitae.enigmandroid.enigma.rotors.Reflector;
 import de.vanitasvitae.enigmandroid.enigma.rotors.Rotor;
 
@@ -61,6 +64,33 @@ public class Enigma_K_Swiss_Airforce extends Enigma_K
         }
     }
 
+    @Override
+    public void randomState()
+    {
+        Random rand = new SecureRandom();
+
+        int rotor1, rotor2=-1, rotor3=-1;
+        rotor1 = rand.nextInt(3);
+        while(rotor2 == -1 || rotor2 == rotor1) rotor2 = rand.nextInt(3);
+        rotor3 = 3 - rotor1 - rotor2;
+
+        int rot1 = rand.nextInt(26);
+        int rot2 = rand.nextInt(26);
+        int rot3 = rand.nextInt(26);
+        int rotRef = rand.nextInt(26);
+        int ring1 = rand.nextInt(26);
+        int ring2 = rand.nextInt(26);
+        int ring3 = rand.nextInt(26);
+        int ringRef = rand.nextInt(26);
+
+        this.rotor1 = Rotor.createRotor(100 + rotor1, rot1, ring1);
+        this.rotor2 = Rotor.createRotor(100 + rotor2, rot2, ring2);
+        this.rotor3 = Rotor.createRotor(100 + rotor3, rot3, ring3);
+        this.reflector = Reflector.createReflector(100);
+        reflector.setRotation(rotRef);
+        reflector.setRingSetting(ringRef);
+    }
+
     @Override
     public char encryptChar(char k) {
         nextState();

app/src/main/java/de/vanitasvitae/enigmandroid/enigma/Enigma_K_Swiss_Standard.java

@@ -1,5 +1,8 @@
 package de.vanitasvitae.enigmandroid.enigma;
 
+import java.security.SecureRandom;
+import java.util.Random;
+
 import de.vanitasvitae.enigmandroid.enigma.rotors.Reflector;
 import de.vanitasvitae.enigmandroid.enigma.rotors.Rotor;
 
@@ -61,6 +64,33 @@ public class Enigma_K_Swiss_Standard extends Enigma_K
         }
     }
 
+    @Override
+    public void randomState()
+    {
+        Random rand = new SecureRandom();
+
+        int rotor1, rotor2=-1, rotor3=-1;
+        rotor1 = rand.nextInt(3);
+        while(rotor2 == -1 || rotor2 == rotor1) rotor2 = rand.nextInt(3);
+        rotor3 = 3 - rotor1 - rotor2;
+
+        int rot1 = rand.nextInt(26);
+        int rot2 = rand.nextInt(26);
+        int rot3 = rand.nextInt(26);
+        int rotRef = rand.nextInt(26);
+        int ring1 = rand.nextInt(26);
+        int ring2 = rand.nextInt(26);
+        int ring3 = rand.nextInt(26);
+        int ringRef = rand.nextInt(26);
+
+        this.rotor1 = Rotor.createRotor(90 + rotor1, rot1, ring1);
+        this.rotor2 = Rotor.createRotor(90 + rotor2, rot2, ring2);
+        this.rotor3 = Rotor.createRotor(90 + rotor3, rot3, ring3);
+        this.reflector = Reflector.createReflector(90);
+        reflector.setRotation(rotRef);
+        reflector.setRingSetting(ringRef);
+    }
+
     @Override
     public char encryptChar(char k) {
         nextState();

app/src/main/java/de/vanitasvitae/enigmandroid/enigma/Enigma_M3.java

@@ -1,5 +1,9 @@
 package de.vanitasvitae.enigmandroid.enigma;
 
+import java.security.SecureRandom;
+import java.sql.Ref;
+import java.util.Random;
+
 import de.vanitasvitae.enigmandroid.enigma.rotors.Reflector;
 import de.vanitasvitae.enigmandroid.enigma.rotors.Rotor;
 
@@ -37,4 +41,28 @@ public class Enigma_M3 extends Enigma_I
         this.rotor3 = Rotor.createRotor(22, 0, 0);
         this.reflector = Reflector.createReflector(20);
     }
+
+    @Override
+    public void randomState()
+    {
+        Random rand = new SecureRandom();
+
+        int rotor1, rotor2=-1, rotor3=-1;
+        rotor1 = rand.nextInt(8);
+        while(rotor2 == -1 || rotor2 == rotor1) rotor2 = rand.nextInt(8);
+        while(rotor3 == -1 || rotor3 == rotor2 || rotor3 == rotor1) rotor3 = rand.nextInt(8);
+        int ref = rand.nextInt(2);
+
+        int rot1 = rand.nextInt(26);
+        int rot2 = rand.nextInt(26);
+        int rot3 = rand.nextInt(26);
+        int ring1 = rand.nextInt(26);
+        int ring2 = rand.nextInt(26);
+        int ring3 = rand.nextInt(26);
+
+        this.rotor1 = Rotor.createRotor(20 + rotor1, rot1, ring1);
+        this.rotor2 = Rotor.createRotor(20 + rotor2, rot2, ring2);
+        this.rotor3 = Rotor.createRotor(20 + rotor3, rot3, ring3);
+        this.reflector = Reflector.createReflector(20 + ref);
+    }
 }

app/src/main/java/de/vanitasvitae/enigmandroid/enigma/Enigma_M4.java

@@ -1,5 +1,8 @@
 package de.vanitasvitae.enigmandroid.enigma;
 
+import java.security.SecureRandom;
+import java.util.Random;
+
 import de.vanitasvitae.enigmandroid.enigma.rotors.Reflector;
 import de.vanitasvitae.enigmandroid.enigma.rotors.Rotor;
 
@@ -75,6 +78,40 @@ public class Enigma_M4 extends Enigma
         }
     }
 
+    @Override
+    public void randomState()
+    {
+        Random rand = new SecureRandom();
+
+        int rotor1, rotor2=-1, rotor3=-1;
+        int rotor4;
+        int ref;
+        rotor1 = rand.nextInt(8);
+        while(rotor2 == -1 || rotor2 == rotor1) rotor2 = rand.nextInt(8);
+        while(rotor3 == -1 || rotor3 == rotor2 || rotor3 == rotor1) rotor3 = rand.nextInt(8);
+        rotor4 = rand.nextInt(2);
+        ref = rand.nextInt(2);
+
+        int rot1 = rand.nextInt(26);
+        int rot2 = rand.nextInt(26);
+        int rot3 = rand.nextInt(26);
+        int rot4 = rand.nextInt(26);
+        int rotRef = rand.nextInt(26);
+        int ring1 = rand.nextInt(26);
+        int ring2 = rand.nextInt(26);
+        int ring3 = rand.nextInt(26);
+        int ring4 = rand.nextInt(26);
+        int ringRef = rand.nextInt(26);
+
+        this.rotor1 = Rotor.createRotor(30 + rotor1, rot1, ring1);
+        this.rotor2 = Rotor.createRotor(30 + rotor2, rot2, ring2);
+        this.rotor3 = Rotor.createRotor(30 + rotor3, rot3, ring3);
+        this.rotor4 = Rotor.createRotor(38 + rotor4, rot4, ring4);
+        this.reflector = Reflector.createReflector(30 + ref);
+        reflector.setRotation(rotRef);
+        reflector.setRingSetting(ringRef);
+    }
+
     @Override
     /**
      * Substitute char k by sending the signal through the enigma.

app/src/main/java/de/vanitasvitae/enigmandroid/enigma/Enigma_R.java

@@ -1,5 +1,8 @@
 package de.vanitasvitae.enigmandroid.enigma;
 
+import java.security.SecureRandom;
+import java.util.Random;
+
 import de.vanitasvitae.enigmandroid.enigma.rotors.Reflector;
 import de.vanitasvitae.enigmandroid.enigma.rotors.Rotor;
 
@@ -61,6 +64,33 @@ public class Enigma_R extends Enigma
         }
     }
 
+    @Override
+    public void randomState()
+    {
+        Random rand = new SecureRandom();
+
+        int rotor1, rotor2=-1, rotor3=-1;
+        rotor1 = rand.nextInt(3);
+        while(rotor2 == -1 || rotor2 == rotor1) rotor2 = rand.nextInt(3);
+        rotor3 = 3 - rotor1 - rotor2;
+
+        int rot1 = rand.nextInt(26);
+        int rot2 = rand.nextInt(26);
+        int rot3 = rand.nextInt(26);
+        int rotRef = rand.nextInt(26);
+        int ring1 = rand.nextInt(26);
+        int ring2 = rand.nextInt(26);
+        int ring3 = rand.nextInt(26);
+        int ringRef = rand.nextInt(26);
+
+        this.rotor1 = Rotor.createRotor(110 + rotor1, rot1, ring1);
+        this.rotor2 = Rotor.createRotor(110 + rotor2, rot2, ring2);
+        this.rotor3 = Rotor.createRotor(110 + rotor3, rot3, ring3);
+        this.reflector = Reflector.createReflector(110);
+        reflector.setRotation(rotRef);
+        reflector.setRingSetting(ringRef);
+    }
+
     @Override
     public char encryptChar(char k) {
         nextState();

app/src/main/java/de/vanitasvitae/enigmandroid/enigma/Enigma_T.java

@@ -2,6 +2,9 @@ package de.vanitasvitae.enigmandroid.enigma;
 
 import android.util.Log;
 
+import java.security.SecureRandom;
+import java.util.Random;
+
 import de.vanitasvitae.enigmandroid.enigma.rotors.Reflector;
 import de.vanitasvitae.enigmandroid.enigma.rotors.Rotor;
 
@@ -62,6 +65,33 @@ public class Enigma_T extends Enigma
         }
     }
 
+    @Override
+    public void randomState()
+    {
+        Random rand = new SecureRandom();
+
+        int rotor1, rotor2=-1, rotor3=-1;
+        rotor1 = rand.nextInt(8);
+        while(rotor2 == -1 || rotor2 == rotor1) rotor2 = rand.nextInt(8);
+        while(rotor3 == -1 || rotor3 == rotor2 || rotor3 == rotor1) rotor3 = rand.nextInt(8);
+
+        int rot1 = rand.nextInt(26);
+        int rot2 = rand.nextInt(26);
+        int rot3 = rand.nextInt(26);
+        int rotRef = rand.nextInt(26);
+        int ring1 = rand.nextInt(26);
+        int ring2 = rand.nextInt(26);
+        int ring3 = rand.nextInt(26);
+        int ringRef = rand.nextInt(26);
+
+        this.rotor1 = Rotor.createRotor(120 + rotor1, rot1, ring1);
+        this.rotor2 = Rotor.createRotor(120 + rotor2, rot2, ring2);
+        this.rotor3 = Rotor.createRotor(120 + rotor3, rot3, ring3);
+        this.reflector = Reflector.createReflector(120);
+        reflector.setRotation(rotRef);
+        reflector.setRingSetting(ringRef);
+    }
+
     @Override
     public char encryptChar(char k) {
         nextState();

app/src/main/java/de/vanitasvitae/enigmandroid/layout/LayoutContainer.java

@@ -45,7 +45,7 @@ public abstract class LayoutContainer
     public abstract Enigma getEnigma();
     protected abstract void initializeLayout();
     public abstract void resetLayout();
-    protected abstract void setLayoutState(EnigmaStateBundle state);
+    public abstract void setLayoutState(EnigmaStateBundle state);
     protected abstract void refreshState();
     public abstract void showRingSettingsDialog();
 

app/src/main/java/de/vanitasvitae/enigmandroid/layout/LayoutContainer_D.java

@@ -95,7 +95,7 @@ public class LayoutContainer_D extends LayoutContainer
     }
 
     @Override
-    protected void setLayoutState(EnigmaStateBundle state)
+    public void setLayoutState(EnigmaStateBundle state)
     {
         this.state = state;
         this.rotor1PositionView.setSelection(state.getRotationRotor1());

app/src/main/java/de/vanitasvitae/enigmandroid/layout/LayoutContainer_G260.java

@@ -113,7 +113,7 @@ public class LayoutContainer_G260 extends LayoutContainer
     }
 
     @Override
-    protected void setLayoutState(EnigmaStateBundle state)
+    public void setLayoutState(EnigmaStateBundle state)
     {
         this.state = state;
         this.rotor1View.setSelection(state.getTypeRotor1() - offsetRot);

app/src/main/java/de/vanitasvitae/enigmandroid/layout/LayoutContainer_G31.java

@@ -113,7 +113,7 @@ public class LayoutContainer_G31 extends LayoutContainer
     }
 
     @Override
-    protected void setLayoutState(EnigmaStateBundle state)
+    public void setLayoutState(EnigmaStateBundle state)
     {
         this.state = state;
         this.rotor1View.setSelection(state.getTypeRotor1() - offsetRot);

app/src/main/java/de/vanitasvitae/enigmandroid/layout/LayoutContainer_G312.java

@@ -113,7 +113,7 @@ public class LayoutContainer_G312 extends LayoutContainer
     }
 
     @Override
-    protected void setLayoutState(EnigmaStateBundle state)
+    public void setLayoutState(EnigmaStateBundle state)
     {
         this.state = state;
         this.rotor1View.setSelection(state.getTypeRotor1() - offsetRot);

app/src/main/java/de/vanitasvitae/enigmandroid/layout/LayoutContainer_I.java

@@ -114,7 +114,7 @@ public class LayoutContainer_I extends LayoutContainer
     }
 
     @Override
-    protected void setLayoutState(EnigmaStateBundle state)
+    public void setLayoutState(EnigmaStateBundle state)
     {
         this.state = state;
         this.rotor1View.setSelection(state.getTypeRotor1() - 10);

app/src/main/java/de/vanitasvitae/enigmandroid/layout/LayoutContainer_K.java

@@ -112,7 +112,7 @@ public class LayoutContainer_K extends LayoutContainer
     }
 
     @Override
-    protected void setLayoutState(EnigmaStateBundle state)
+    public void setLayoutState(EnigmaStateBundle state)
     {
         this.state = state;
         this.rotor1View.setSelection(state.getTypeRotor1() - 80);

app/src/main/java/de/vanitasvitae/enigmandroid/layout/LayoutContainer_K_Swiss.java

@@ -112,7 +112,7 @@ public class LayoutContainer_K_Swiss extends LayoutContainer
     }
 
     @Override
-    protected void setLayoutState(EnigmaStateBundle state)
+    public void setLayoutState(EnigmaStateBundle state)
     {
         this.state = state;
         this.rotor1View.setSelection(state.getTypeRotor1() - 90);

app/src/main/java/de/vanitasvitae/enigmandroid/layout/LayoutContainer_K_Swiss_Airforce.java

@@ -112,7 +112,7 @@ public class LayoutContainer_K_Swiss_Airforce extends LayoutContainer
     }
 
     @Override
-    protected void setLayoutState(EnigmaStateBundle state)
+    public void setLayoutState(EnigmaStateBundle state)
     {
         this.state = state;
         this.rotor1View.setSelection(state.getTypeRotor1() - 100);

app/src/main/java/de/vanitasvitae/enigmandroid/layout/LayoutContainer_M3.java

@@ -106,7 +106,7 @@ public class LayoutContainer_M3 extends LayoutContainer_I
     }
 
     @Override
-    protected void setLayoutState(EnigmaStateBundle state)
+    public void setLayoutState(EnigmaStateBundle state)
     {
         this.state = state;
         this.rotor1View.setSelection(state.getTypeRotor1() - 20);

app/src/main/java/de/vanitasvitae/enigmandroid/layout/LayoutContainer_M4.java

@@ -139,7 +139,7 @@ public class LayoutContainer_M4 extends LayoutContainer
     }
 
     @Override
-    protected void setLayoutState(EnigmaStateBundle state) {
+    public void setLayoutState(EnigmaStateBundle state) {
         this.state = state;
         this.rotor1View.setSelection(state.getTypeRotor1() - 30);
         this.rotor2View.setSelection(state.getTypeRotor2() - 30);

app/src/main/java/de/vanitasvitae/enigmandroid/layout/LayoutContainer_R.java

@@ -111,7 +111,7 @@ public class LayoutContainer_R extends LayoutContainer
     }
 
     @Override
-    protected void setLayoutState(EnigmaStateBundle state)
+    public void setLayoutState(EnigmaStateBundle state)
     {
         this.state = state;
         this.rotor1View.setSelection(state.getTypeRotor1() - 110);

app/src/main/java/de/vanitasvitae/enigmandroid/layout/LayoutContainer_T.java

@@ -111,7 +111,7 @@ public class LayoutContainer_T extends LayoutContainer
     }
 
     @Override
-    protected void setLayoutState(EnigmaStateBundle state)
+    public void setLayoutState(EnigmaStateBundle state)
     {
         this.state = state;
         this.rotor1View.setSelection(state.getTypeRotor1() - 120);

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

@@ -3,14 +3,18 @@
     tools:context=".MainActivity" >
 
     <item android:id="@+id/action_reset"
-        android:orderInCategory="96"
+        android:orderInCategory="95"
         android:showAsAction="ifRoom"
         android:title="@string/action_reset" />
     <item android:id="@+id/action_send"
-        android:orderInCategory="97"
+        android:orderInCategory="96"
         android:showAsAction="always"
         android:title="@string/action_send"
         android:icon="@drawable/ic_send_white_48dp"/>
+    <item android:id="@+id/action_random_configuration"
+        android:orderInCategory="97"
+        android:showAsAction="ifRoom"
+        android:title="@string/action_random" />
     <item android:id="@+id/action_choose_ringstellung"
         android:title="@string/action_choose_ringsettings"
         android:orderInCategory="98"

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

@@ -4,6 +4,7 @@
     <string name="app_name">EnigmAndroid</string>
     <string name="action_version">Version</string>
     <string name="action_reset">Zurücksetzen</string>
+    <string name="action_random">Zufällige Konfiguration</string>
     <string name="action_settings">Einstellungen</string>
     <string name="action_choose_ringsettings">Ringstellung</string>
     <string name="action_send">Senden</string>
@@ -39,5 +40,6 @@
     <string name="dialog_plugboard_set">Steckbrett gesteckert.</string>
     <string name="dialog_abort">Keine Änderungen</string>
     <string name="message_reset">Enigma zurückgesetzt</string>
+    <string name="message_random">Enigma auf zufällige Konfiguration gesetzt</string>
 
 </resources>

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

@@ -12,8 +12,8 @@
         <item>G260 (Abwehr)</item>
         <item>D (Kommerziell)</item>
         <item>K</item>
-        <item>K (Schweiz)</item>
+        <item>Swiss-K (Schweiz)</item>
-        <item>K (Schweiz, Luftwaffe)</item>
+        <item>Swiss-K (Schweiz, Luftwaffe)</item>
         <item>R (\"Rocket\", Reichsbahn)</item>
         <item>T (\"Tirpitz\", Japan)</item>
     </string-array>

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

@@ -5,6 +5,7 @@
     <string name="app_name">EnigmAndroid</string>
     <string name="action_version">Version</string>
     <string name="action_reset">Reset</string>
+    <string name="action_random">Random configuration</string>
     <string name="action_choose_ringsettings">Ring-Settings</string>
     <string name="action_settings">Settings</string>
     <string name="action_send">Send</string>
@@ -40,6 +41,7 @@
     <string name="dialog_plugboard_set">Plugged Plugboard.</string>
     <string name="dialog_abort">No changes</string>
     <string name="message_reset">Enigma reset</string>
+    <string name="message_random">Enigma set to random configuration</string>
 
     <string-array translatable="false" name="rotors_1_3">
         <item>I</item>

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

@@ -13,8 +13,8 @@
         <item>G260 (Defense)</item>
         <item>D (Commercial)</item>
         <item>K</item>
-        <item>K (Swiss)</item>
+        <item>Swiss-K</item>
-        <item>K (Swiss, Airforce)</item>
+        <item>Swiss-K (Airforce)</item>
         <item>R (\"Rocket\", Railway)</item>
         <item>T (\"Tirpitz\", Japan)</item>
     </string-array>