ref(android): [minSdk 26 2] Remove code made obsolete by minSdk 26

sentry-android-core/build.gradle.kts

@@ -55,8 +55,6 @@ android {
   lint {
     warningsAsErrors = true
     checkDependencies = true
-    // TODO(JAVA-547): Re-enable once the SDK_INT checks made obsolete by minSdk 26 are removed.
-    disable += "ObsoleteSdkInt"
 
     // We run a full lint analysis as build part in CI, so skip vital checks for assemble tasks.
     checkReleaseBuilds = false

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

@@ -4,7 +4,6 @@
 import static io.sentry.IConnectionStatusProvider.ConnectionStatus.DISCONNECTED;
 import static java.util.concurrent.TimeUnit.SECONDS;
 
-import android.os.Build;
 import io.sentry.CompositePerformanceCollector;
 import io.sentry.DataCategory;
 import io.sentry.IContinuousProfiler;
@@ -174,10 +173,6 @@ private void initScopes() {
   private void start() {
     initScopes();
 
-    // Debug.startMethodTracingSampling() is only available since Lollipop, but Android Profiler
-    // causes crashes on api 21 -> https://github.com/getsentry/sentry-java/issues/3392
-    if (buildInfoProvider.getSdkInfoVersion() < Build.VERSION_CODES.LOLLIPOP_MR1) return;
-
     // Let's initialize trace folder and profiling interval
     init();
     // init() didn't create profiler, should never happen
@@ -279,12 +274,6 @@ private void stop(final boolean restartProfiler) {
         return;
       }
 
-      // onTransactionStart() is only available since Lollipop_MR1
-      // and SystemClock.elapsedRealtimeNanos() since Jelly Bean
-      if (buildInfoProvider.getSdkInfoVersion() < Build.VERSION_CODES.LOLLIPOP_MR1) {
-        return;
-      }
-
       List<PerformanceCollectionData> performanceCollectionData = null;
       if (performanceCollector != null) {
         performanceCollectionData = performanceCollector.stop(chunkId.toString());

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

@@ -202,15 +202,6 @@ static void initializeIntegrationsAndProcessors(
     if (options.getTransportGate() instanceof NoOpTransportGate) {
       options.setTransportGate(new AndroidTransportGate(options));
     }
-    // API 25 and lower may lack ISRG Root X1 (Let's Encrypt), so the SDK's own envelope uploads to
-    // Sentry SaaS trust the bundled root in addition to the system ones. Self-hosted DSNs keep the
-    // platform default, so Network Security Config domain-config trust anchors still apply there.
-    if (buildInfoProvider.getSdkInfoVersion() <= Build.VERSION_CODES.N_MR1
-        && options.getSslSocketFactory() == null
-        && SentryRootCaSslSocketFactory.isSentrySaasDsn(options.getDsn())) {
-      options.setSslSocketFactory(new SentryRootCaSslSocketFactory(options.getLogger()));
-    }
-
     final @NotNull AppStartMetrics appStartMetrics = AppStartMetrics.getInstance();
     options.setAppStartExtender(appStartMetrics.getAppStartExtension());
 

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

@@ -151,10 +151,6 @@ private void init() {
 
   @Override
   public void start() {
-    // Debug.startMethodTracingSampling() is only available since Lollipop, but Android Profiler
-    // causes crashes on api 21 -> https://github.com/getsentry/sentry-java/issues/3392
-    if (buildInfoProvider.getSdkInfoVersion() < Build.VERSION_CODES.LOLLIPOP_MR1) return;
-
     // When the first transaction is starting, we can start profiling
     if (!isRunning.getAndSet(true)) {
       // Let's initialize trace folder and profiling interval
@@ -234,11 +230,6 @@ public void bindTransaction(final @NotNull ITransaction transaction) {
       final @Nullable List<PerformanceCollectionData> performanceCollectionData,
       final @NotNull SentryOptions options) {
 
-    // onTransactionStart() is only available since Lollipop_MR1
-    // and SystemClock.elapsedRealtimeNanos() since Jelly Bean
-    // and SUPPORTED_ABIS since KITKAT
-    if (buildInfoProvider.getSdkInfoVersion() < Build.VERSION_CODES.LOLLIPOP_MR1) return null;
-
     // check if profiler was created
     if (profiler == null) {
       return null;

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

@@ -64,12 +64,6 @@ public void register(final @NotNull IScopes scopes, final @NotNull SentryOptions
 
     if (androidOptions.isEnableNetworkEventBreadcrumbs()) {
 
-      // The specific error is logged in the ConnectivityChecker method
-      if (buildInfoProvider.getSdkInfoVersion() < Build.VERSION_CODES.N) {
-        options.getLogger().log(SentryLevel.DEBUG, "NetworkCallbacks need Android N+.");
-        return;
-      }
-
       try (final @NotNull ISentryLifecycleToken ignored = lock.acquire()) {
         networkCallback =
             new NetworkBreadcrumbsNetworkCallback(