Today Extension using App Groups

GammaTest/AppDelegate.m

@@ -9,7 +9,7 @@
 #import "AppDelegate.h"
 #import "MainViewController.h"
 #import "GammaController.h"
-
+#import "NSUserDefaults+Group.h"
 
 typedef NS_ENUM(NSInteger, GammaAction) {
     GammaActionNone,
@@ -59,20 +59,9 @@ - (void)updateShortCutItem {
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
     [application setMinimumBackgroundFetchInterval:900]; //Wake up every 15 minutes at minimum
 
-    [[NSUserDefaults standardUserDefaults] registerDefaults:@{
-        @"enabled": @NO,
-        @"maxOrange": [NSNumber numberWithFloat:0.7],
-        @"colorChangingEnabled": @YES,
-        @"lastAutoChangeDate": [NSDate distantPast],
-        @"autoStartHour": @19,
-        @"autoStartMinute": @0,
-        @"autoEndHour": @7,
-        @"autoEndMinute": @0,
-        @"updateUI":@YES,
-        @"colorChangingLocationLatitude": @0,
-        @"colorChangingLocationLongitude": @0,
-        @"colorChangingLocationEnabled": @NO
-    }];
+    NSString *defaultsPath = [[NSBundle mainBundle] pathForResource:@"Defaults" ofType:@"plist"];
+    NSDictionary *appDefaults = [NSDictionary dictionaryWithContentsOfFile:defaultsPath];
+    [[NSUserDefaults groupDefaults] registerDefaults:appDefaults];
 
     if ([application respondsToSelector:@selector(shortcutItems)] &&
         !application.shortcutItems.count) {
@@ -84,6 +73,10 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
     return YES;
 }
 
+- (void)applicationDidBecomeActive:(UIApplication *)application {
+    [[NSUserDefaults groupDefaults] setBool:YES forKey:@"updateUI"];
+}
+
 - (void)application:(UIApplication *)application performFetchWithCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler{
     NSLog(@"App woke with fetch request");
 
@@ -108,7 +101,7 @@ - (BOOL)application:(UIApplication *)app openURL:(NSURL *)url options:(NSDiction
             }
         } else {
             //gammathingy://orangeness/switch
-            if ([[NSUserDefaults standardUserDefaults] boolForKey:@"enabled"]) {
+            if ([[NSUserDefaults groupDefaults] boolForKey:@"enabled"]) {
                 [GammaController disableOrangeness];
             } else {
                 [GammaController enableOrangeness];

GammaTest/Defaults.plist

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>enabled</key>
+	<false/>
+	<key>maxOrange</key>
+	<real>0.7</real>
+	<key>colorChangingEnabled</key>
+	<false/>
+	<key>lastAutoChangeDate</key>
+	<date>1-01-01T00:07:33Z</date>
+	<key>autoStartHour</key>
+	<integer>19</integer>
+	<key>autoStartMinute</key>
+	<integer>0</integer>
+	<key>autoEndHour</key>
+	<integer>7</integer>
+	<key>autoEndMinute</key>
+	<integer>0</integer>
+	<key>updateUI</key>
+	<true/>
+	<key>colorChangingLocationLatitude</key>
+	<integer>0</integer>
+	<key>colorChangingLocationLongitude</key>
+	<integer>0</integer>
+	<key>colorChangingLocationEnabled</key>
+	<false/>
+</dict>
+</plist>

GammaTest/GammaTest.entitlements

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.application-groups</key>
+	<array>
+		<string>group.me.ahammer.GammaTest</string>
+	</array>
+</dict>
+</plist>

GammaTest/Info.plist

@@ -2,10 +2,12 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
-	<key>NSLocationWhenInUseUsageDescription</key>
-	<string>Your location is required once in order to provide location based screen temperature</string>
+	<key>AppGroupIdentifier</key>
+	<string>$(APP_GROUP_IDENTIFIER)</string>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>Gamma Thingy</string>
 	<key>CFBundleExecutable</key>
 	<string>$(EXECUTABLE_NAME)</string>
 	<key>CFBundleIdentifier</key>
@@ -35,6 +37,8 @@
 	<string>1</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
+	<key>NSLocationWhenInUseUsageDescription</key>
+	<string>Your location is required once in order to provide location based screen temperature</string>
 	<key>UIBackgroundModes</key>
 	<array>
 		<string>fetch</string>
@@ -49,8 +53,6 @@
 	<array>
 		<string>armv7</string>
 	</array>
-	<key>CFBundleDisplayName</key>
-	<string>Gamma Thingy</string>
 	<key>UISupportedInterfaceOrientations</key>
 	<array>
 		<string>UIInterfaceOrientationPortrait</string>

GammaTest/MainViewController.m

@@ -8,6 +8,7 @@
 
 #import "MainViewController.h"
 #import "GammaController.h"
+#import "NSUserDefaults+Group.h"
 
 @interface MainViewController ()
 
@@ -80,7 +81,7 @@ - (void)viewDidLoad {
 }
 
 - (void)updateUI {
-    NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
+    NSUserDefaults* defaults = [NSUserDefaults groupDefaults];
 
     enabledSwitch.on = [defaults boolForKey:@"enabled"];
     orangeSlider.value = [defaults floatForKey:@"maxOrange"];
@@ -95,38 +96,43 @@ - (void)updateUI {
 
 - (IBAction)enabledSwitchChanged:(UISwitch *)sender {
     NSLog(@"enabled: %lu",(unsigned long)sender.on);
-    [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"updateUI"];
+    NSUserDefaults* defaults = [NSUserDefaults groupDefaults];
+    [defaults setBool:NO forKey:@"updateUI"];
 
     if (sender.on) {
-        [GammaController setGammaWithTransitionFrom:0 to:[[NSUserDefaults standardUserDefaults] floatForKey:@"maxOrange"]];
+        [GammaController enableOrangeness];
     } else {
-        [GammaController setGammaWithTransitionFrom:[[NSUserDefaults standardUserDefaults] floatForKey:@"maxOrange"] to:0];
+        [GammaController disableOrangeness];
     }
-    if ([[NSUserDefaults standardUserDefaults] boolForKey:@"colorChangingLocationEnabled"]) {
-        [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"colorChangingLocationEnabled"];
+    if ([defaults boolForKey:@"colorChangingLocationEnabled"]) {
+        [defaults setBool:NO forKey:@"colorChangingLocationEnabled"];
     }
-    if ([[NSUserDefaults standardUserDefaults] boolForKey:@"colorChangingLocationEnabled"]) {
-        [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"colorChangingEnabled"];
+    if ([defaults boolForKey:@"colorChangingLocationEnabled"]) {
+        [defaults setBool:NO forKey:@"colorChangingEnabled"];
     }
 
-
-    [[NSUserDefaults standardUserDefaults] setBool:sender.on forKey:@"enabled"];
-    [[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"updateUI"];
+    [defaults setBool:YES forKey:@"updateUI"];
+    [defaults synchronize];
 }
 
 - (IBAction)maxOrangeSliderChanged:(UISlider *)sender {
     NSLog(@"maxOrange: %f",sender.value);
-    [[NSUserDefaults standardUserDefaults] setFloat:sender.value forKey:@"maxOrange"];
+    NSUserDefaults *defaults = [NSUserDefaults groupDefaults];
+    [defaults setFloat:sender.value forKey:@"maxOrange"];
 
-    if (enabledSwitch.on)
+    if (enabledSwitch.on) {
         [GammaController setGammaWithOrangeness:sender.value];
+    }
+
+    [defaults synchronize];
 }
 
 - (IBAction)colorChangingEnabledSwitchChanged:(UISwitch *)sender {
     NSLog(@"colorChangingEnabled: %lu",(unsigned long)sender.on);
-    [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"updateUI"];
-    [[NSUserDefaults standardUserDefaults] setBool:sender.on forKey:@"colorChangingEnabled"];
-    [[NSUserDefaults standardUserDefaults] setObject:[NSDate distantPast] forKey:@"lastAutoChangeDate"];
+    NSUserDefaults *defaults = [NSUserDefaults groupDefaults];
+    [defaults setBool:NO forKey:@"updateUI"];
+    [defaults setBool:sender.on forKey:@"colorChangingEnabled"];
+    [defaults setObject:[NSDate distantPast] forKey:@"lastAutoChangeDate"];
     NSLog(@"color changing switch changed");
 
     if(sender.on) {
@@ -137,16 +143,20 @@ - (IBAction)colorChangingEnabledSwitchChanged:(UISwitch *)sender {
         // Make the time fields full opacity.
         for(UITableViewCell *cell in timeBasedInputCells)
             [[cell contentView] setAlpha: 1];
-        [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"colorChangingLocationEnabled"];
-        [[NSUserDefaults standardUserDefaults] setBool:sender.on forKey:@"colorChangingEnabled"];
+        [defaults setBool:NO forKey:@"colorChangingLocationEnabled"];
+        [defaults setBool:sender.on forKey:@"colorChangingEnabled"];
     }
-    [[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"updateUI"];
+
+    [defaults setBool:YES forKey:@"updateUI"];
     [GammaController autoChangeOrangenessIfNeeded];
+    [defaults synchronize];
 }
 
 - (IBAction)colorChangingLocationSwitchValueChanged:(UISwitch *)sender {
+    NSUserDefaults *defaults = [NSUserDefaults groupDefaults];
+
     if(sender.on) {
-        [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"updateUI"];
+        [defaults setBool:NO forKey:@"updateUI"];
         BOOL requestedLocationAuthorization = NO;
 
         if([CLLocationManager authorizationStatus] == kCLAuthorizationStatusNotDetermined) {
@@ -167,17 +177,17 @@ - (IBAction)colorChangingLocationSwitchValueChanged:(UISwitch *)sender {
             CGFloat latitude = self.locationManager.location.coordinate.latitude;
             CGFloat longitude = self.locationManager.location.coordinate.longitude;
             if (latitude != 0 && longitude != 0) { // make sure the location is available
-                [[NSUserDefaults standardUserDefaults] setFloat:latitude forKey:@"colorChangingLocationLatitude"];
-                [[NSUserDefaults standardUserDefaults] setFloat:longitude forKey:@"colorChangingLocationLongitude"];
+                [defaults setFloat:latitude forKey:@"colorChangingLocationLatitude"];
+                [defaults setFloat:longitude forKey:@"colorChangingLocationLongitude"];
             }
 
             [colorChangingEnabledSwitch setOn:NO animated:YES];
 
             for(UITableViewCell *cell in timeBasedInputCells) 
                 [[cell contentView] setAlpha: .6];
 
-            [[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"colorChangingLocationEnabled"];
-            [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"colorChangingEnabled"];
+            [defaults setBool:YES forKey:@"colorChangingLocationEnabled"];
+            [defaults setBool:NO forKey:@"colorChangingEnabled"];
 
         } else if(!requestedLocationAuthorization) {
             UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"No access to location"
@@ -188,17 +198,21 @@ - (IBAction)colorChangingLocationSwitchValueChanged:(UISwitch *)sender {
             [alert show];
             [sender setOn:NO animated:YES];
         }
-        [[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"updateUI"];
+        [defaults setBool:YES forKey:@"updateUI"];
         [GammaController autoChangeOrangenessIfNeeded];
     } else {
-        [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"colorChangingLocationEnabled"];
+        [defaults setBool:NO forKey:@"colorChangingLocationEnabled"];
     }
+
+    [defaults synchronize];
 }
 
 - (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status {
     if (status == kCLAuthorizationStatusDenied) {
         [colorChangingLocationBasedSwitch setOn:NO animated:YES];
-        [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"colorChangingLocationEnabled"];
+        NSUserDefaults *defaults = [NSUserDefaults groupDefaults];
+        [defaults setBool:NO forKey:@"colorChangingLocationEnabled"];
+        [defaults synchronize];
     } else if (status == kCLAuthorizationStatusAuthorizedWhenInUse) {
         // revaluate the UISwitch status
         [self colorChangingLocationSwitchValueChanged: colorChangingLocationBasedSwitch];
@@ -238,16 +252,17 @@ - (void)timePickerValueChanged:(UIDatePicker*)picker {
     NSDateComponents *components = [[NSCalendar currentCalendar] components:(NSCalendarUnitHour | NSCalendarUnitMinute) fromDate:picker.date];
     currentField.text = [timeFormatter stringFromDate:picker.date];
 
-    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    NSUserDefaults *defaults = [NSUserDefaults groupDefaults];
     [defaults setInteger:components.hour forKey:[defaultsKeyPrefix stringByAppendingString:@"Hour"]];
     [defaults setInteger:components.minute forKey:[defaultsKeyPrefix stringByAppendingString:@"Minute"]];
 
     [defaults setObject:[NSDate distantPast] forKey:@"lastAutoChangeDate"];
     [GammaController autoChangeOrangenessIfNeeded];
+    [defaults synchronize];
 }
 
 - (void)textFieldDidBeginEditing:(UITextField *)textField {
-    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    NSUserDefaults *defaults = [NSUserDefaults groupDefaults];
     NSDate *date = nil;
     if (textField == startTimeTextField) {
         date = [self dateForHour:[defaults integerForKey:@"autoStartHour"] andMinute:[defaults integerForKey:@"autoStartMinute"]];
@@ -267,8 +282,9 @@ - (NSDate*)dateForHour:(NSInteger)hour andMinute:(NSInteger)minute{
 }
 
 - (void)userDefaultsChanged:(NSNotification *)notification {
-    if([[NSUserDefaults standardUserDefaults] boolForKey:@"updateUI"])
+    if ([[NSUserDefaults groupDefaults] boolForKey:@"updateUI"]) {
         [self updateUI];
+    }
 }
 
 @end

GammaTest/extentions/NSUserDefaults+Group.h

@@ -0,0 +1,19 @@
+//
+//  NSUserDefaults+Group.h
+//  GammaTest
+//
+//  Created by Arthur Hammer on 28.10.15.
+//  Copyright © 2015 Thomas Finch. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface NSUserDefaults (Group)
+
+// Returns a new NSUserDefaults object for app groups to share defaults in multiple targets.
+// The suit name is the bundles' "AppGroupIdentifier" key.
+//
+// (Note: For now, this returns a new instance on every call.)
++ (NSUserDefaults *)groupDefaults;
+
+@end

GammaTest/extentions/NSUserDefaults+Group.m

@@ -0,0 +1,18 @@
+//
+//  NSUserDefaults+Group.m
+//  GammaTest
+//
+//  Created by Arthur Hammer on 28.10.15.
+//  Copyright © 2015 Thomas Finch. All rights reserved.
+//
+
+#import "NSUserDefaults+Group.h"
+
+@implementation NSUserDefaults (Group)
+
++ (NSUserDefaults *)groupDefaults {
+    NSString *suitName = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"AppGroupIdentifier"];
+    return [[NSUserDefaults alloc] initWithSuiteName:suitName];
+}
+
+@end