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[iOS] Updating AppState to support the inactive state. #6379

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kenwheeler wants to merge 2 commits into from
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[iOS] Updating AppState to support the inactive state. #6379

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0aead9b
Updating AppState to support the inactive state.
kenwheeler Mar 9, 2016
f4e5a92
Removes "==" equality check.
kenwheeler Mar 9, 2016
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5 changes: 3 additions & 2 deletions Libraries/AppStateIOS/AppStateIOS.ios.js
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Original file line number Diff line number Diff line change
Expand Up @@ -35,8 +35,9 @@ var _eventHandlers = {
* - `active` - The app is running in the foreground
* - `background` - The app is running in the background. The user is either
* in another app or on the home screen
* - `inactive` - This is a transition state that currently never happens for
* typical React Native apps.
* - `inactive` - This is a state that occurs when transitioning between
* foreground & background, and during periods of inactivity such as
* entering the Multitasking view or in the event of an incoming call
*
* For more information, see
* [Apple's documentation](https://developer.apple.com/library/ios/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/TheAppLifeCycle/TheAppLifeCycle.html)
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23 changes: 17 additions & 6 deletions React/Modules/RCTAppState.m
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Original file line number Diff line number Diff line change
Expand Up @@ -21,8 +21,7 @@
dispatch_once(&onceToken, ^{
states = @{
@(UIApplicationStateActive): @"active",
@(UIApplicationStateBackground): @"background",
@(UIApplicationStateInactive): @"inactive"
@(UIApplicationStateBackground): @"background"
};
});

Expand Down Expand Up @@ -53,9 +52,12 @@ - (void)setBridge:(RCTBridge *)bridge

for (NSString *name in @[UIApplicationDidBecomeActiveNotification,
UIApplicationDidEnterBackgroundNotification,
UIApplicationDidFinishLaunchingNotification]) {
UIApplicationDidFinishLaunchingNotification,
UIApplicationWillResignActiveNotification,
UIApplicationWillEnterForegroundNotification]) {

[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(handleAppStateDidChange)
selector:@selector(handleAppStateDidChange:)
name:name
object:nil];
}
Expand All @@ -79,9 +81,18 @@ - (void)dealloc

#pragma mark - App Notification Methods

- (void)handleAppStateDidChange
- (void)handleAppStateDidChange:(NSNotification *)notification
{
NSString *newState = RCTCurrentAppBackgroundState();
NSString *newState;

if ([notification.name isEqualToString:UIApplicationWillResignActiveNotification]) {
newState = @"inactive";
} else if ([notification.name isEqualToString:UIApplicationWillEnterForegroundNotification]) {
newState = @"active";
} else {
newState = RCTCurrentAppBackgroundState();
}

if (![newState isEqualToString:_lastKnownState]) {
_lastKnownState = newState;
[_bridge.eventDispatcher sendDeviceEventWithName:@"appStateDidChange"
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