├── README.md
├── RunInBackground.xcodeproj
    ├── project.pbxproj
    ├── project.xcworkspace
    │   ├── contents.xcworkspacedata
    │   ├── xcshareddata
    │   │   └── IDEWorkspaceChecks.plist
    │   └── xcuserdata
    │   │   └── niu_o0.xcuserdatad
    │   │       └── UserInterfaceState.xcuserstate
    └── xcuserdata
    │   └── niu_o0.xcuserdatad
    │       ├── xcdebugger
    │           └── Breakpoints_v2.xcbkptlist
    │       └── xcschemes
    │           ├── RunInBackground.xcscheme
    │           └── xcschememanagement.plist
└── RunInBackground
    ├── AppDelegate.h
    ├── AppDelegate.m
    ├── Assets.xcassets
        └── AppIcon.appiconset
        │   └── Contents.json
    ├── Base.lproj
        ├── LaunchScreen.storyboard
        └── Main.storyboard
    ├── Info.plist
    ├── ViewController.h
    ├── ViewController.m
    ├── main.m
    └── runInBg
        ├── RunInBackground.h
        ├── RunInBackground.m
        └── blank.h


/README.md:
--------------------------------------------------------------------------------
 1 | RunInBackground     
 2 | 
 3 | 申请后台truck     
 4 | 
 5 | truck时间为3分钟     
 6 | 
 7 | 3分钟内播放一次后台音乐刷新truck时间     
 8 | 
 9 | 实现永久后台     
10 | 


--------------------------------------------------------------------------------
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18 |                BuildableName = "RunInBackground.app"
19 |                BlueprintName = "RunInBackground"
20 |                ReferencedContainer = "container:RunInBackground.xcodeproj">
21 |             </BuildableReference>
22 |          </BuildActionEntry>
23 |       </BuildActionEntries>
24 |    </BuildAction>
25 |    <TestAction
26 |       buildConfiguration = "Debug"
27 |       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
28 |       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
29 |       shouldUseLaunchSchemeArgsEnv = "YES">
30 |       <MacroExpansion>
31 |          <BuildableReference
32 |             BuildableIdentifier = "primary"
33 |             BlueprintIdentifier = "07899DA31F5967B800D3AAF8"
34 |             BuildableName = "RunInBackground.app"
35 |             BlueprintName = "RunInBackground"
36 |             ReferencedContainer = "container:RunInBackground.xcodeproj">
37 |          </BuildableReference>
38 |       </MacroExpansion>
39 |       <Testables>
40 |       </Testables>
41 |    </TestAction>
42 |    <LaunchAction
43 |       buildConfiguration = "Debug"
44 |       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
45 |       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
46 |       launchStyle = "0"
47 |       useCustomWorkingDirectory = "NO"
48 |       ignoresPersistentStateOnLaunch = "NO"
49 |       debugDocumentVersioning = "YES"
50 |       debugServiceExtension = "internal"
51 |       allowLocationSimulation = "YES">
52 |       <BuildableProductRunnable
53 |          runnableDebuggingMode = "0">
54 |          <BuildableReference
55 |             BuildableIdentifier = "primary"
56 |             BlueprintIdentifier = "07899DA31F5967B800D3AAF8"
57 |             BuildableName = "RunInBackground.app"
58 |             BlueprintName = "RunInBackground"
59 |             ReferencedContainer = "container:RunInBackground.xcodeproj">
60 |          </BuildableReference>
61 |       </BuildableProductRunnable>
62 |    </LaunchAction>
63 |    <ProfileAction
64 |       buildConfiguration = "Release"
65 |       shouldUseLaunchSchemeArgsEnv = "YES"
66 |       savedToolIdentifier = ""
67 |       useCustomWorkingDirectory = "NO"
68 |       debugDocumentVersioning = "YES">
69 |       <BuildableProductRunnable
70 |          runnableDebuggingMode = "0">
71 |          <BuildableReference
72 |             BuildableIdentifier = "primary"
73 |             BlueprintIdentifier = "07899DA31F5967B800D3AAF8"
74 |             BuildableName = "RunInBackground.app"
75 |             BlueprintName = "RunInBackground"
76 |             ReferencedContainer = "container:RunInBackground.xcodeproj">
77 |          </BuildableReference>
78 |       </BuildableProductRunnable>
79 |    </ProfileAction>
80 |    <AnalyzeAction
81 |       buildConfiguration = "Debug">
82 |    </AnalyzeAction>
83 |    <ArchiveAction
84 |       buildConfiguration = "Debug"
85 |       revealArchiveInOrganizer = "YES">
86 |    </ArchiveAction>
87 | </Scheme>
88 | 


--------------------------------------------------------------------------------
/RunInBackground.xcodeproj/xcuserdata/niu_o0.xcuserdatad/xcschemes/xcschememanagement.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>SchemeUserState</key>
 6 | 	<dict>
 7 | 		<key>RunInBackground.xcscheme</key>
 8 | 		<dict>
 9 | 			<key>isShown</key>
10 | 			<true/>
11 | 			<key>orderHint</key>
12 | 			<integer>0</integer>
13 | 		</dict>
14 | 	</dict>
15 | 	<key>SuppressBuildableAutocreation</key>
16 | 	<dict>
17 | 		<key>07899DA31F5967B800D3AAF8</key>
18 | 		<dict>
19 | 			<key>primary</key>
20 | 			<true/>
21 | 		</dict>
22 | 	</dict>
23 | </dict>
24 | </plist>
25 | 


--------------------------------------------------------------------------------
/RunInBackground/AppDelegate.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.h
 3 | //  RunInBackground
 4 | //
 5 | //  Created by niu_o0 on 2017/9/1.
 6 | //  Copyright © 2017年 niu_o0. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface AppDelegate : UIResponder <UIApplicationDelegate>
12 | 
13 | @property (strong, nonatomic) UIWindow *window;
14 | 
15 | 
16 | @end
17 | 
18 | 


--------------------------------------------------------------------------------
/RunInBackground/AppDelegate.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.m
 3 | //  RunInBackground
 4 | //
 5 | //  Created by niu_o0 on 2017/9/1.
 6 | //  Copyright © 2017年 niu_o0. All rights reserved.
 7 | //
 8 | 
 9 | #import "AppDelegate.h"
10 | 
11 | @interface AppDelegate ()
12 | @end
13 | 
14 | @implementation AppDelegate
15 | 
16 | 
17 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
18 |     // Override point for customization after application launch.
19 |     return YES;
20 | }
21 | 
22 | 
23 | - (void)applicationWillResignActive:(UIApplication *)application {
24 |     // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
25 |     // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
26 | }
27 | 
28 | 
29 | - (void)applicationDidEnterBackground:(UIApplication *)application {
30 |     // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
31 |     // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
32 |     
33 | }
34 | 
35 | 
36 | - (void)applicationWillEnterForeground:(UIApplication *)application {
37 |     // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
38 | }
39 | 
40 | 
41 | - (void)applicationDidBecomeActive:(UIApplication *)application {
42 |     // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
43 |     
44 | }
45 | 
46 | 
47 | - (void)applicationWillTerminate:(UIApplication *)application {
48 |     // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
49 | }
50 | 
51 | 
52 | @end
53 | 


--------------------------------------------------------------------------------
/RunInBackground/Assets.xcassets/AppIcon.appiconset/Contents.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "iphone",
 5 |       "size" : "20x20",
 6 |       "scale" : "2x"
 7 |     },
 8 |     {
 9 |       "idiom" : "iphone",
10 |       "size" : "20x20",
11 |       "scale" : "3x"
12 |     },
13 |     {
14 |       "idiom" : "iphone",
15 |       "size" : "29x29",
16 |       "scale" : "2x"
17 |     },
18 |     {
19 |       "idiom" : "iphone",
20 |       "size" : "29x29",
21 |       "scale" : "3x"
22 |     },
23 |     {
24 |       "idiom" : "iphone",
25 |       "size" : "40x40",
26 |       "scale" : "2x"
27 |     },
28 |     {
29 |       "idiom" : "iphone",
30 |       "size" : "40x40",
31 |       "scale" : "3x"
32 |     },
33 |     {
34 |       "idiom" : "iphone",
35 |       "size" : "60x60",
36 |       "scale" : "2x"
37 |     },
38 |     {
39 |       "idiom" : "iphone",
40 |       "size" : "60x60",
41 |       "scale" : "3x"
42 |     }
43 |   ],
44 |   "info" : {
45 |     "version" : 1,
46 |     "author" : "xcode"
47 |   }
48 | }


--------------------------------------------------------------------------------
/RunInBackground/Base.lproj/LaunchScreen.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11134" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11106"/>
 5 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--View Controller-->
 9 |         <scene sceneID="EHf-IW-A2E">
10 |             <objects>
11 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="Llm-lL-Icb"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
17 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
18 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
19 |                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
20 |                     </view>
21 |                 </viewController>
22 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
23 |             </objects>
24 |             <point key="canvasLocation" x="53" y="375"/>
25 |         </scene>
26 |     </scenes>
27 | </document>
28 | 


--------------------------------------------------------------------------------
/RunInBackground/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11134" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11106"/>
 5 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--View Controller-->
 9 |         <scene sceneID="tne-QT-ifu">
10 |             <objects>
11 |                 <viewController id="BYZ-38-t0r" customClass="ViewController" customModuleProvider="" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
17 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
18 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
19 |                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
20 |                     </view>
21 |                 </viewController>
22 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
23 |             </objects>
24 |         </scene>
25 |     </scenes>
26 | </document>
27 | 


--------------------------------------------------------------------------------
/RunInBackground/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>en</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>APPL</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleVersion</key>
20 | 	<string>1</string>
21 | 	<key>LSRequiresIPhoneOS</key>
22 | 	<true/>
23 | 	<key>UIBackgroundModes</key>
24 | 	<array>
25 | 		<string>audio</string>
26 | 	</array>
27 | 	<key>UILaunchStoryboardName</key>
28 | 	<string>LaunchScreen</string>
29 | 	<key>UIMainStoryboardFile</key>
30 | 	<string>Main</string>
31 | 	<key>UIRequiredDeviceCapabilities</key>
32 | 	<array>
33 | 		<string>armv7</string>
34 | 	</array>
35 | 	<key>UISupportedInterfaceOrientations</key>
36 | 	<array>
37 | 		<string>UIInterfaceOrientationPortrait</string>
38 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
39 | 		<string>UIInterfaceOrientationLandscapeRight</string>
40 | 	</array>
41 | </dict>
42 | </plist>
43 | 


--------------------------------------------------------------------------------
/RunInBackground/ViewController.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ViewController.h
 3 | //  RunInBackground
 4 | //
 5 | //  Created by niu_o0 on 2017/9/1.
 6 | //  Copyright © 2017年 niu_o0. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface ViewController : UIViewController
12 | 
13 | 
14 | @end
15 | 
16 | 


--------------------------------------------------------------------------------
/RunInBackground/ViewController.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ViewController.m
 3 | //  RunInBackground
 4 | //
 5 | //  Created by niu_o0 on 2017/9/1.
 6 | //  Copyright © 2017年 niu_o0. All rights reserved.
 7 | //
 8 | 
 9 | #import "ViewController.h"
10 | 
11 | @interface ViewController ()
12 | 
13 | @end
14 | 
15 | @implementation ViewController
16 | 
17 | - (void)viewDidLoad {
18 |     [super viewDidLoad];
19 |     // Do any additional setup after loading the view, typically from a nib.
20 | }
21 | 
22 | 
23 | - (void)didReceiveMemoryWarning {
24 |     [super didReceiveMemoryWarning];
25 |     // Dispose of any resources that can be recreated.
26 | }
27 | 
28 | 
29 | @end
30 | 


--------------------------------------------------------------------------------
/RunInBackground/main.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  main.m
 3 | //  RunInBackground
 4 | //
 5 | //  Created by niu_o0 on 2017/9/1.
 6 | //  Copyright © 2017年 niu_o0. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | #import "AppDelegate.h"
11 | 
12 | int main(int argc, char * argv[]) {
13 |     @autoreleasepool {
14 |         return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
15 |     }
16 | }
17 | 


--------------------------------------------------------------------------------
/RunInBackground/runInBg/RunInBackground.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  RunInBackground.h
 3 | //  libIntegrity
 4 | //
 5 | //  Created by niu_o0 on 2020/4/24.
 6 | //  Copyright © 2020 niu_o0. All rights reserved.
 7 | //
 8 | 
 9 | #import <Foundation/Foundation.h>
10 | 
11 | NS_ASSUME_NONNULL_BEGIN
12 | 
13 | @interface RunInBackground : NSObject
14 | 
15 | @property (nonatomic, assign, readonly) BOOL isInBackground;
16 | 
17 | @property (nonatomic, assign) BOOL isVoiceOrVideoCall;
18 | 
19 | + (instancetype)sharedBg;
20 | 
21 | // 调用此方法后，程序进入后台也不会死掉
22 | - (void)startRunInbackGround;
23 | 
24 | // 停止播放音乐
25 | - (void)stopAudioPlay;
26 | 
27 | @end
28 | 
29 | NS_ASSUME_NONNULL_END
30 | 


--------------------------------------------------------------------------------
/RunInBackground/runInBg/RunInBackground.m:
--------------------------------------------------------------------------------
  1 | //
  2 | //  RunInBackground.m
  3 | //  libIntegrity
  4 | //
  5 | //  Created by niu_o0 on 2020/4/24.
  6 | //  Copyright © 2020 niu_o0. All rights reserved.
  7 | //
  8 | 
  9 | #import "RunInBackground.h"
 10 | #import <UIKit/UIKit.h>
 11 | #import <AVFoundation/AVFoundation.h>
 12 | #import "blank.h"
 13 | 
 14 | @interface RunInBackground ()
 15 | 
 16 | @property (nonatomic, strong) AVAudioPlayer *audioPlayer;
 17 | @property (nonatomic, strong) NSTimer *audioTimer;
 18 | 
 19 | @end
 20 | 
 21 | @implementation RunInBackground {
 22 |     UIBackgroundTaskIdentifier _task;
 23 |     NSData * _blank;
 24 |     BOOL _isInBackground;
 25 | }
 26 | 
 27 | + (void)load {
 28 |     [RunInBackground sharedBg];
 29 | }
 30 | 
 31 | /// 提供一个单例
 32 | + (instancetype)sharedBg {
 33 |     static dispatch_once_t onceToken;
 34 |     static RunInBackground * instance = nil;
 35 |     dispatch_once(&onceToken, ^{
 36 |         instance = [[RunInBackground alloc] init];
 37 |     });
 38 |     return instance;
 39 | }
 40 | 
 41 | - (instancetype)init
 42 | {
 43 |     self = [super init];
 44 |     if (self) {
 45 |         
 46 |         [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didEnterBackground) name:UIApplicationDidEnterBackgroundNotification object:nil];
 47 |         
 48 |         [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(willEnterForeground) name:UIApplicationWillEnterForegroundNotification object:nil];
 49 |         
 50 |         _blank = blank();
 51 |         
 52 |     }
 53 |     return self;
 54 | }
 55 | 
 56 | - (void)didEnterBackground {
 57 |     _isInBackground = YES;
 58 |     [self startRunInbackGround];
 59 | }
 60 | 
 61 | - (void)willEnterForeground {
 62 |     _isInBackground = NO;
 63 |     [self stopAudioPlay];
 64 | }
 65 | 
 66 | - (void)audioPlay {
 67 |     
 68 |     if (self.isVoiceOrVideoCall ||
 69 |         !self.isInBackground) {
 70 |         [self stopAudioPlay];
 71 |         return;
 72 |     }
 73 |     
 74 |     [self setUpAudioSession];
 75 |     
 76 |     self.audioPlayer = [[AVAudioPlayer alloc] initWithData:_blank error:nil];
 77 |     
 78 |     [self.audioPlayer prepareToPlay];
 79 |     
 80 |     [self.audioPlayer play];
 81 |     
 82 |     NSLog(@"audio play");
 83 |     
 84 | }
 85 | 
 86 | - (void)startRunInbackGround {
 87 |     
 88 |     [self stopAudioPlay];
 89 |     
 90 |     _task = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:^{
 91 |         dispatch_async(dispatch_get_main_queue(), ^{
 92 |             [[UIApplication sharedApplication] endBackgroundTask:self->_task];
 93 |             self->_task = UIBackgroundTaskInvalid;
 94 |         });
 95 |         
 96 |     }];
 97 |     
 98 |     self.audioTimer = [NSTimer scheduledTimerWithTimeInterval:15.0 target:self selector:@selector(checkTask) userInfo:nil repeats:YES];
 99 |     
100 | }
101 | 
102 | - (void)checkTask {
103 | 
104 |     [self audioPlay];
105 |     
106 |     NSTimeInterval bt = [UIApplication sharedApplication].backgroundTimeRemaining;
107 |     
108 |     NSLog(@"~~~~~~~~~~~~~~~~~~%.2f~~~~~~~~~~~~~~", bt);
109 |     if (bt < 30.f) {
110 |         
111 |         [[UIApplication sharedApplication] endBackgroundTask:_task];
112 |         _task = UIBackgroundTaskInvalid;
113 |         
114 |         _task = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:^{
115 |             dispatch_async(dispatch_get_main_queue(), ^{
116 |                 [[UIApplication sharedApplication] endBackgroundTask:self->_task];
117 |                 self->_task = UIBackgroundTaskInvalid;
118 |             });
119 |             
120 |         }];
121 | 
122 |     }
123 | }
124 | 
125 | - (void)stopAudioPlay {
126 |     
127 |     // 关闭定时器即可
128 |     [self.audioTimer invalidate];
129 |     self.audioTimer = nil;
130 |     
131 |     [self.audioPlayer stop];
132 |     self.audioPlayer = nil;
133 |     
134 |     if (_task) {
135 |         [[UIApplication sharedApplication] endBackgroundTask:_task];
136 |         _task = UIBackgroundTaskInvalid;
137 |     }
138 |     
139 | }
140 | - (void)setUpAudioSession {
141 |     // 新建AudioSession会话
142 |     AVAudioSession *audioSession = [AVAudioSession sharedInstance];
143 |     
144 |     // 设置后台播放
145 |     NSError *error = nil;
146 |     [audioSession setCategory:AVAudioSessionCategoryPlayback withOptions:AVAudioSessionCategoryOptionMixWithOthers error:&error];
147 |     
148 |     if (error) {
149 |         NSLog(@"Error setCategory AVAudioSession: %@", error);
150 |     }
151 |     
152 |     NSLog(@"%d", audioSession.isOtherAudioPlaying);
153 |     
154 |     NSError *activeSetError = nil;
155 |     // 启动AudioSession，如果一个前台app正在播放音频则可能启动失败
156 |     [audioSession setActive:YES error:&activeSetError];
157 |     if (activeSetError) {
158 |         NSLog(@"Error activating AVAudioSession: %@", activeSetError);
159 |     }
160 | }
161 | 
162 | - (BOOL)isInBackground {
163 |     return _isInBackground;
164 | }
165 | 
166 | @end
167 | 


--------------------------------------------------------------------------------
/RunInBackground/runInBg/blank.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  blank.h
 3 | //  libIntegrity
 4 | //
 5 | //  Created by niu_o0 on 2020/4/24.
 6 | //  Copyright © 2020 niu_o0. All rights reserved.
 7 | //
 8 | 
 9 | #ifndef Header_h
10 | #define Header_h
11 | 
12 | static NSData * blank() {
13 |     
14 |     NSString * str = @"Y2FmZgABAABkZXNjAAAAAAAAACBA5YiAAAAAAGxwY20AAAACAAAABAAAAAEAAAACAAAAEGZyZWUAAAAAAAAPsAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA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15 |     
16 |     return [[NSData alloc] initWithBase64EncodedString:str options:NSDataBase64DecodingIgnoreUnknownCharacters];
17 |     
18 | }
19 | 
20 | #endif /* Header_h */
21 | 


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