Add meta option to attach ANR thread dumps (#3791)

* Add meta option to attach ANR thread dumps

* Update Changelog

Author: markushi

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Features
+
+- Add meta option to attach ANR thread dumps ([#3791](https://github.com/getsentry/sentry-java/pull/3791))
+
 ### Fixes
 
 - Deprecate `enableTracing` option ([#3777](https://github.com/getsentry/sentry-java/pull/3777))

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

@@ -26,8 +26,8 @@ final class ManifestMetadataReader {
   static final String SAMPLE_RATE = "io.sentry.sample-rate";
   static final String ANR_ENABLE = "io.sentry.anr.enable";
   static final String ANR_REPORT_DEBUG = "io.sentry.anr.report-debug";
-
   static final String ANR_TIMEOUT_INTERVAL_MILLIS = "io.sentry.anr.timeout-interval-millis";
+  static final String ANR_ATTACH_THREAD_DUMPS = "io.sentry.anr.attach-thread-dumps";
 
   static final String AUTO_INIT = "io.sentry.auto-init";
   static final String NDK_ENABLE = "io.sentry.ndk.enable";
@@ -176,6 +176,9 @@ static void applyMetadata(
                 ANR_TIMEOUT_INTERVAL_MILLIS,
                 options.getAnrTimeoutIntervalMillis()));
 
+        options.setAttachAnrThreadDump(
+            readBool(metadata, logger, ANR_ATTACH_THREAD_DUMPS, options.isAttachAnrThreadDump()));
+
         final String dsn = readString(metadata, logger, DSN, options.getDsn());
         final boolean enabled = readBool(metadata, logger, ENABLE_SENTRY, options.isEnabled());
 

sentry-android-core/src/test/java/io/sentry/android/core/ManifestMetadataReaderTest.kt

@@ -246,6 +246,31 @@ class ManifestMetadataReaderTest {
         assertEquals(5000.toLong(), fixture.options.anrTimeoutIntervalMillis)
     }
 
+    @Test
+    fun `applyMetadata reads anr attach thread dump to options`() {
+        // Arrange
+        val bundle = bundleOf(ManifestMetadataReader.ANR_ATTACH_THREAD_DUMPS to true)
+        val context = fixture.getContext(metaData = bundle)
+
+        // Act
+        ManifestMetadataReader.applyMetadata(context, fixture.options, fixture.buildInfoProvider)
+
+        // Assert
+        assertEquals(true, fixture.options.isAttachAnrThreadDump)
+    }
+
+    @Test
+    fun `applyMetadata reads anr attach thread dump to options and keeps default`() {
+        // Arrange
+        val context = fixture.getContext()
+
+        // Act
+        ManifestMetadataReader.applyMetadata(context, fixture.options, fixture.buildInfoProvider)
+
+        // Assert
+        assertEquals(false, fixture.options.isAttachAnrThreadDump)
+    }
+
     @Test
     fun `applyMetadata reads activity breadcrumbs to options`() {
         // Arrange