Merge pull request #256 from DP-3T/feature/deactivate-bg-task

Disable/Enable scheduling of background tasks
DP-3T · Mar 11, 2022 · 69d3e78 · 69d3e78
2 parents 998034c + 97997e5
commit 69d3e78
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Showing 6 changed files with 23 additions and 9 deletions.
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -14,8 +14,8 @@ jobs:
     # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
     - uses: actions/checkout@v2
 
-    - name: Switch to Xcode 12.3
-      run: sudo xcode-select --switch /Applications/Xcode_12.3.app
+    - name: Switch to Xcode 13.2.1
+      run: sudo xcode-select --switch /Applications/Xcode_13.2.1.app
 
     - name: Fastlane test
       run: fastlane test
@@ -34,8 +34,8 @@ jobs:
     # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
     - uses: actions/checkout@v2
 
-    - name: Switch to Xcode 12.3
-      run: sudo xcode-select --switch /Applications/Xcode_12.3.app
+    - name: Switch to Xcode 13.2.1
+      run: sudo xcode-select --switch /Applications/Xcode_13.2.1.app
 
     # Compile sample app for iOS Simulator (no signing)
     - name: Compile and run tests

diff --git a/.github/workflows/deploy_to_cocoapods.yml b/.github/workflows/deploy_to_cocoapods.yml
@@ -13,8 +13,8 @@ jobs:
     steps:
     - uses: actions/checkout@v1
 
-    - name: Switch to Xcode 12.3
-      run: sudo xcode-select --switch /Applications/Xcode_12.3.app
+    - name: Switch to Xcode 13.2.1
+      run: sudo xcode-select --switch /Applications/Xcode_13.2.1.app
 
     - name: Install Cocoapods
       run: gem install cocoapods
@@ -26,4 +26,4 @@ jobs:
         pod lib lint --allow-warnings
         pod trunk push DP3TSDK.podspec --allow-warnings
       env:
-        COCOAPODS_TRUNK_TOKEN: ${{ secrets.COCOAPODS_TRUNK_TOKEN }}
+        COCOAPODS_TRUNK_TOKEN: ${{ secrets.COCOAPODS_TRUNK_TOKEN }}
diff --git a/.github/workflows/distribute.yml b/.github/workflows/distribute.yml
@@ -11,8 +11,8 @@ jobs:
     # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
     - uses: actions/checkout@v2
 
-    - name: Switch to Xcode 12.3
-      run: sudo xcode-select --switch /Applications/Xcode_12.3.app
+    - name: Switch to Xcode 13.2.1
+      run: sudo xcode-select --switch /Applications/Xcode_13.2.1.app
 
     - name: Run fastlane build
       env:

diff --git a/Sources/DP3TSDK/Background/DP3TBackgroundTaskManager.swift b/Sources/DP3TSDK/Background/DP3TBackgroundTaskManager.swift
@@ -31,6 +31,8 @@ class DP3TBackgroundTaskManager {
     private let serviceClient: ExposeeServiceClientProtocol
 
     private weak var tracer: Tracer!
+
+    var shouldReschedule: Bool = true
 
     init(handler: DP3TBackgroundHandler?,
          keyProvider: DiagnosisKeysProvider,
@@ -183,6 +185,8 @@ class DP3TBackgroundTaskManager {
 
     @available(iOS 13.0, *)
     private func scheduleBackgroundTasks() {
+        guard self.shouldReschedule else { return }
+
         logger.trace()
 
         // Schedule next app refresh task 12h in the future

diff --git a/Sources/DP3TSDK/DP3TSDK.swift b/Sources/DP3TSDK/DP3TSDK.swift
@@ -375,6 +375,10 @@ class DP3TSDK {
         exposureDayStorage.reset()
         URLCache.shared.removeAllCachedResponses()
     }
+
+    func setBackgroundTasksEnabled(_ enabled: Bool) {
+        backgroundTaskManager.shouldReschedule = enabled
+    }
 
     @objc func backgroundRefreshStatusDidChange() {
         let new = UIApplication.shared.backgroundRefreshStatus

diff --git a/Sources/DP3TSDK/DP3TTracing.swift b/Sources/DP3TSDK/DP3TTracing.swift
@@ -206,6 +206,12 @@ public enum DP3TTracing {
         instance = nil
     }
 
+    @available(iOS 12.5, *)
+    public static func setBackgroundTasksEnabled(_ enabled: Bool) {
+        instancePrecondition()
+        instance.setBackgroundTasksEnabled(enabled)
+    }
+
     public static var loggingEnabled: Bool {
         set {
             Logger.loggingEnabled = newValue