Exception on opening Settings menu

[arthurbenemann]

Exception on opening the settings menu, bug probably introduced by #997

08-22 10:55:32.360: E/AndroidRuntime(20071): FATAL EXCEPTION: main
08-22 10:55:32.360: E/AndroidRuntime(20071): Process: org.droidplanner, PID: 20071
08-22 10:55:32.360: E/AndroidRuntime(20071): java.lang.RuntimeException: Unable to start activity ComponentInfo{org.droidplanner/org.droidplanner.android.activities.SettingsActivity}: java.lang.NumberFormatException: Invalid int: "off"
08-22 10:55:32.360: E/AndroidRuntime(20071):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2184)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2233)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at android.app.ActivityThread.access$800(ActivityThread.java:135)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at android.os.Handler.dispatchMessage(Handler.java:102)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at android.os.Looper.loop(Looper.java:136)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at android.app.ActivityThread.main(ActivityThread.java:5001)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at java.lang.reflect.Method.invokeNative(Native Method)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at java.lang.reflect.Method.invoke(Method.java:515)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at dalvik.system.NativeStart.main(Native Method)
08-22 10:55:32.360: E/AndroidRuntime(20071): Caused by: java.lang.NumberFormatException: Invalid int: "off"
08-22 10:55:32.360: E/AndroidRuntime(20071):    at java.lang.Integer.invalidInt(Integer.java:137)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at java.lang.Integer.parse(Integer.java:374)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at java.lang.Integer.parseInt(Integer.java:365)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at java.lang.Integer.parseInt(Integer.java:331)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at org.droidplanner.android.fragments.SettingsFragment.setupPeriodicControls(SettingsFragment.java:399)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at org.droidplanner.android.fragments.SettingsFragment.onCreate(SettingsFragment.java:102)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at android.app.Fragment.performCreate(Fragment.java:1678)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:859)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1062)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at android.app.BackStackRecord.run(BackStackRecord.java:684)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1447)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at android.app.Activity.performStart(Activity.java:5240)
08-22 10:55:32.360: E/AndroidRuntime(20071):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2157)
08-22 10:55:32.360: E/AndroidRuntime(20071):    ... 11 more

[m4gr3d]

@arthurbenemann @TShapinsky There are several issues with the way preferences for the periodic speech output is implemented.
I'm fixing them in PR #1008.