DiskReadViolation in Firebase Performance during Activity#onResume #7392

firebase-perf/CHANGELOG.md

@@ -4,6 +4,7 @@
   on OkHTTP version 3.x the change is both binary- and Java source-compatible, with a few small
   exceptions. See https://square.github.io/okhttp/changelogs/upgrading_to_okhttp_4/ for more
   details.
+- [fixed] Fixed StrictMode DiskReadViolation prompted by AppStartTrace setup. [#7340]
 
 # 22.0.2
 

firebase-perf/src/main/java/com/google/firebase/perf/config/ConfigResolver.java

@@ -820,35 +820,22 @@ public double getFragmentSamplingRate() {
     return config.getDefault();
   }
 
-  /** Returns if _experiment_app_start_ttid should be captured. */
+  /**
+   * Returns if _experiment_app_start_ttid should be captured. This experiment is disabled.
+   * Therefore, interactions with Remote Config and the cached layer are no longer necessary,
+   * preventing unnecessary StrictMode DiskReadViolation penalties.
+   * {@see https://github.com/firebase/firebase-android-sdk/issues/7340}
+   */
   public boolean getIsExperimentTTIDEnabled() {
-    // Order of precedence is:
-    // 1. If the value exists in Android Manifest, return this value.
-    // 2. If the value exists through Firebase Remote Config, cache and return this value.
-    // 3. If the value exists in device cache, return this value.
-    // 4. Otherwise, return default value.
     ExperimentTTID config = ExperimentTTID.getInstance();
 
-    // 1. Reads value in Android Manifest (it is set by developers during build time).
+    // Reads value in Android Manifest (it is set by developers during build time).
     Optional<Boolean> metadataValue = getMetadataBoolean(config);
     if (metadataValue.isAvailable()) {
       return metadataValue.get();
     }
 
-    // 2. Reads value from Firebase Remote Config, saves this value in cache layer if valid.
-    Optional<Boolean> rcValue = getRemoteConfigBoolean(config);
-    if (rcValue.isAvailable()) {
-      deviceCacheManager.setValue(config.getDeviceCacheFlag(), rcValue.get());
-      return rcValue.get();
-    }
-
-    // 3. Reads value from cache layer.
-    Optional<Boolean> deviceCacheValue = getDeviceCacheBoolean(config);
-    if (deviceCacheValue.isAvailable()) {
-      return deviceCacheValue.get();
-    }
-
-    // 4. Returns default value if there is no valid value from above approaches.
+    // Returns default value if there is no valid value from above approaches.
     return config.getDefault();
   }