[QA] Make logging faster on startup

CHANGELOG.md

@@ -13,6 +13,7 @@
 - Vendor `java.util.Random` and replace `java.security.SecureRandom` usages ([#3783](https://github.com/getsentry/sentry-java/pull/3783))
 - Fix potential ANRs due to NDK scope sync ([#3754](https://github.com/getsentry/sentry-java/pull/3754))
 - Fix potential ANRs due to NDK System.loadLibrary calls ([#3670](https://github.com/getsentry/sentry-java/pull/3670))
+- Fix slow `Log` calls on app startup ([#3793](https://github.com/getsentry/sentry-java/pull/3793))
 
 ## 7.15.0
 

sentry-android-core/src/main/java/io/sentry/android/core/AndroidLogger.java

@@ -26,7 +26,11 @@ public void log(
       final @NotNull SentryLevel level,
       final @NotNull String message,
       final @Nullable Object... args) {
-    Log.println(toLogcatLevel(level), tag, String.format(message, args));
+    if (args == null || args.length == 0) {
+      Log.println(toLogcatLevel(level), tag, message);
+    } else {
+      Log.println(toLogcatLevel(level), tag, String.format(message, args));
+    }
   }
 
   @SuppressWarnings("AnnotateFormatMethod")
@@ -36,7 +40,11 @@ public void log(
       final @Nullable Throwable throwable,
       final @NotNull String message,
       final @Nullable Object... args) {
-    log(level, String.format(message, args), throwable);
+    if (args == null || args.length == 0) {
+      log(level, message, throwable);
+    } else {
+      log(level, String.format(message, args), throwable);
+    }
   }
 
   @Override

sentry-android-core/src/main/java/io/sentry/android/core/ManifestMetadataReader.java

@@ -437,7 +437,7 @@ private static boolean readBool(
       final @NotNull String key,
       final boolean defaultValue) {
     final boolean value = metadata.getBoolean(key, defaultValue);
-    logger.log(SentryLevel.DEBUG, "%s read: %s", key, value);
+    logger.log(SentryLevel.DEBUG, key + " read: " + value);
     return value;
   }
 
@@ -450,10 +450,10 @@ private static boolean readBool(
     if (metadata.getSerializable(key) != null) {
       final boolean nonNullDefault = defaultValue == null ? false : true;
       final boolean bool = metadata.getBoolean(key, nonNullDefault);
-      logger.log(SentryLevel.DEBUG, "%s read: %s", key, bool);
+      logger.log(SentryLevel.DEBUG, key + " read: " + bool);
       return bool;
     } else {
-      logger.log(SentryLevel.DEBUG, "%s used default %s", key, defaultValue);
+      logger.log(SentryLevel.DEBUG, key + " used default " + defaultValue);
       return defaultValue;
     }
   }
@@ -464,7 +464,7 @@ private static boolean readBool(
       final @NotNull String key,
       final @Nullable String defaultValue) {
     final String value = metadata.getString(key, defaultValue);
-    logger.log(SentryLevel.DEBUG, "%s read: %s", key, value);
+    logger.log(SentryLevel.DEBUG, key + " read: " + value);
     return value;
   }
 
@@ -474,14 +474,14 @@ private static boolean readBool(
       final @NotNull String key,
       final @NotNull String defaultValue) {
     final String value = metadata.getString(key, defaultValue);
-    logger.log(SentryLevel.DEBUG, "%s read: %s", key, value);
+    logger.log(SentryLevel.DEBUG, key + " read: " + value);
     return value;
   }
 
   private static @Nullable List<String> readList(
       final @NotNull Bundle metadata, final @NotNull ILogger logger, final @NotNull String key) {
     final String value = metadata.getString(key);
-    logger.log(SentryLevel.DEBUG, "%s read: %s", key, value);
+    logger.log(SentryLevel.DEBUG, key + " read: " + value);
     if (value != null) {
       return Arrays.asList(value.split(",", -1));
     } else {
@@ -493,7 +493,7 @@ private static boolean readBool(
       final @NotNull Bundle metadata, final @NotNull ILogger logger, final @NotNull String key) {
     // manifest meta-data only reads float
     final Double value = ((Float) metadata.getFloat(key, -1)).doubleValue();
-    logger.log(SentryLevel.DEBUG, "%s read: %s", key, value);
+    logger.log(SentryLevel.DEBUG, key + " read: " + value);
     return value;
   }
 
@@ -504,7 +504,7 @@ private static long readLong(
       final long defaultValue) {
     // manifest meta-data only reads int if the value is not big enough
     final long value = metadata.getInt(key, (int) defaultValue);
-    logger.log(SentryLevel.DEBUG, "%s read: %s", key, value);
+    logger.log(SentryLevel.DEBUG, key + " read: " + value);
     return value;
   }
 
@@ -524,7 +524,6 @@ static boolean isAutoInit(final @NotNull Context context, final @NotNull ILogger
       if (metadata != null) {
         autoInit = readBool(metadata, logger, AUTO_INIT, true);
       }
-      logger.log(SentryLevel.INFO, "Retrieving auto-init from AndroidManifest.xml");
     } catch (Throwable e) {
       logger.log(SentryLevel.ERROR, "Failed to read auto-init from android manifest metadata.", e);
     }