option to disable/enable vibration

app/src/main/java/com/platypus/dicer/MainActivity.java

@@ -40,6 +40,7 @@ public class MainActivity extends Activity implements SharedPreferences.OnShared
     public static final String PREFS = "PrefsFile";
     protected boolean onedie = false;
     protected boolean shaketoroll = true;
+    protected boolean vibrate = true;
 
     protected boolean showDice = true;
 
@@ -53,6 +54,7 @@ public class MainActivity extends Activity implements SharedPreferences.OnShared
         SharedPreferences settings = getSharedPreferences(PREFS, 0);
         onedie = settings.getBoolean("onedie", true);
         shaketoroll = settings.getBoolean("shake", true);
+        vibrate = settings.getBoolean("vibrate", true);
 
         //PreferenceChangeListener
         SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
@@ -78,6 +80,7 @@ public class MainActivity extends Activity implements SharedPreferences.OnShared
         SharedPreferences.Editor editor = settings.edit();
         editor.putBoolean("onedie", onedie);
         editor.putBoolean("shake", shaketoroll);
+        editor.putBoolean("vibrate", vibrate);
         editor.commit();
     }
 
@@ -181,8 +184,10 @@ public class MainActivity extends Activity implements SharedPreferences.OnShared
     }
 
     protected void vibrate(){
-        Vibrator vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
-        vibrator.vibrate(70);
+        if (vibrate) {
+            Vibrator vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
+            vibrator.vibrate(70);
+        }
     }
 
     public void setLayout() {
@@ -338,6 +343,7 @@ public class MainActivity extends Activity implements SharedPreferences.OnShared
         String string = sp.getString("PREF_NUMBEROFDIES", "none");
         onedie = string.equals("1");
         shaketoroll = sp.getBoolean("PREF_SHAKETOROLL", false);
+        vibrate = sp.getBoolean("PREF_VIBRATE", true);
         
     }
 }
\ No newline at end of file

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

@@ -38,6 +38,7 @@
         android:layout_height="wrap_content"
         android:layout_alignParentBottom="true"
         android:layout_centerHorizontal="true"
+        android:shadowRadius="@integer/abc_max_action_buttons"
         android:text="@string/button_hide"
         android:textColor="@android:color/white" />
 

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

@@ -17,4 +17,8 @@
     <string name="button_hide">ausblenden</string>
     <string name="hide_button">ausblenden</string>
     <string name="button_show">anzeigen</string>
+    <string name="button_roll">würfeln</string>
+    <string name="pref_shaketoroll_title">Schütteln um zu würfeln</string>
+    <string name="pref_vibrate_summary">Vibrieren, wenn Würfel berührt werden.</string>
+    <string name="pref_vibrate_title">Vibrieren</string>
 </resources>
\ No newline at end of file

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

@@ -9,8 +9,10 @@
     <string name="pref_numberofdies_title">Number of Dies</string>
     <string name="pref_numberofdies_one">1 Die</string>
     <string name="pref_numberofdies_two">2 Dies</string>
-    <string name="pref_shaketoroll">Shake to roll</string>
+    <string name="pref_shaketoroll_title">Shake to roll</string>
     <string name="pref_shaketoroll_summary">Shake device to roll dice.</string>
+    <string name="pref_vibrate_title">Vibrate</string>
+    <string name="pref_vibrate_summary">Vibrate on touching dice</string>
     <string name="pref_about">About</string>
     <string name="menu_close">Exit</string>
     <string name="settings">Settings</string>

app/src/main/res/xml/preferences.xml

@@ -15,7 +15,13 @@
         android:key="PREF_SHAKETOROLL"
         android:onClick="onShaketorollClick"
         android:summary="@string/pref_shaketoroll_summary"
-        android:title="@string/pref_shaketoroll" />
+        android:title="@string/pref_shaketoroll_title" />
+
+    <CheckBoxPreference
+        android:defaultValue="true"
+        android:key="PREF_VIBRATE"
+        android:summary="@string/pref_vibrate_summary"
+        android:title="@string/pref_vibrate_title" />
 
     <Preference
         android:key="PREF_ABOUT"