{"record":{"id":"d88a354fb40bf5c1","repo":"MuntashirAkon/AppManager","slug":"you-are-adding-too-many-system-settings-you-should-stop","errorCode":null,"errorMessage":"You are adding too many system settings. You should stop using system settings for app specific data package: ${packageName}","messagePattern":"You are adding too many system settings\\. You should stop using system settings for app specific data package: (.+?)","errorType":"exception","errorClass":"java.lang.IllegalStateException","httpStatus":null,"severity":"error","filePath":"app/src/main/java/io/github/muntashirakon/AppManager/ssaid/SettingsStateV26.java","lineNumber":579,"sourceCode":"        }\n\n        if (SYSTEM_PACKAGE_NAME.equals(packageName)) {\n            return;\n        }\n\n        final int oldValueSize = (oldValue != null) ? oldValue.length() : 0;\n        final int newValueSize = (newValue != null) ? newValue.length() : 0;\n        final int oldDefaultValueSize = (oldDefaultValue != null) ? oldDefaultValue.length() : 0;\n        final int newDefaultValueSize = (newDefaultValue != null) ? newDefaultValue.length() : 0;\n        final int deltaSize = newValueSize + newDefaultValueSize\n                - oldValueSize - oldDefaultValueSize;\n\n        Integer currentSize = mPackageToMemoryUsage.get(packageName);\n        final int newSize = Math.max((currentSize != null)\n                ? currentSize + deltaSize : deltaSize, 0);\n\n        if (newSize > mMaxBytesPerAppPackage) {\n            throw new IllegalStateException(\"You are adding too many system settings. \"\n                    + \"You should stop using system settings for app specific data\"\n                    + \" package: \" + packageName);\n        }\n\n        if (DEBUG) {\n            Log.i(LOG_TAG, \"Settings for package: %s size: %s bytes.\", packageName, newSize);\n        }\n\n        mPackageToMemoryUsage.put(packageName, newSize);\n    }\n\n    @GuardedBy(\"mLock\")\n    private boolean hasSettingLocked(String name) {\n        return mSettings.indexOfKey(name) >= 0;\n    }\n\n    @GuardedBy(\"mLock\")\n    private void scheduleWriteIfNeededLocked() {","sourceCodeStart":561,"sourceCodeEnd":597,"githubUrl":"https://github.com/MuntashirAkon/AppManager/blob/0152f468fc9463ee02dc2ca83f6fe4989a2c4ca5/app/src/main/java/io/github/muntashirakon/AppManager/ssaid/SettingsStateV26.java#L561-L597","documentation":"IllegalStateException thrown by SettingsStateV26 (AOSP-derived settings XML state manager) when the accumulated byte size of settings written for a single package would exceed mMaxBytesPerAppPackage. This guard prevents one package from bloating the shared settings_ssaid.xml storage, mirroring the Android framework's own limit on per-package settings.","triggerScenarios":"Repeatedly calling setSsaid/put settings for the same packageName so that the tracked per-package memory usage (mPackageToMemoryUsage plus deltaSize) crosses the configured max-bytes-per-package threshold during the next write/update.","commonSituations":"Automated tooling writing many SSAID-like settings entries per package in a loop; repeated app-clone/user profile operations accumulating settings without cleanup; an abnormally small mMaxBytesPerAppPackage configuration.","solutions":["Remove obsolete settings entries for the package before adding new ones to reduce currentSize","Raise the max-bytes-per-package limit if legitimate data requires it","Audit the write loop to avoid redundant set calls for the same package/key","Catch IllegalStateException around the settings write and skip/report the offending package"],"exampleFix":"// before\nssaidSettings.setSsaid(packageName, uid, newSsaid); // may throw if package over quota\n// after\ntry {\n    ssaidSettings.setSsaid(packageName, uid, newSsaid);\n} catch (IllegalStateException e) {\n    Log.w(TAG, \"Package \" + packageName + \" exceeded settings quota; skipping write\", e);\n}","handlingStrategy":"try-catch","validationCode":"// estimate before writing\nlong existingBytes = getSettingsBytesForPackage(packageName);\nif (existingBytes + newEntryBytes > MAX_BYTES_PER_PACKAGE) {\n    pruneOldestSettings(packageName);\n}","typeGuard":null,"tryCatchPattern":"try {\n    settingsState.putSettingsLocked(...);\n} catch (IllegalStateException e) {\n    Log.w(TAG, \"Per-package settings quota exceeded for \" + packageName, e);\n}","preventionTips":["Delete stale settings entries before adding new ones","Avoid writing settings in loops for the same package","Track per-package usage and prune proactively","Keep package settings payloads small (single SSAID value)"],"tags":["android","storage","quota","settings"],"backgroundTag":"file-size-limit-exceeded","analyzedSha":"0152f468fc9463ee02dc2ca83f6fe4989a2c4ca5","analyzedAt":"2026-09-12T14:03:37.243Z","contentChangedAt":"2026-09-12T14:03:37.243Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}