fixing a bunch of things to send event correctly

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

@@ -7,6 +7,7 @@
 import io.sentry.core.ILogger;
 import io.sentry.core.ISerializer;
 import io.sentry.core.SentryEvent;
+import io.sentry.core.SentryLevel;
 import io.sentry.core.protocol.Device;
 import io.sentry.core.protocol.SentryId;
 import java.io.IOException;
@@ -38,6 +39,8 @@ private Gson provideGson() {
             Device.DeviceOrientation.class, new OrientationSerializerAdapter(logger))
         .registerTypeAdapter(
             Device.DeviceOrientation.class, new OrientationDeserializerAdapter(logger))
+        .registerTypeAdapter(SentryLevel.class, new SentryLevelSerializerAdapter(logger))
+        .registerTypeAdapter(SentryLevel.class, new SentryLevelDeserializerAdapter(logger))
         .registerTypeAdapterFactory(UnknownPropertiesTypeAdapterFactory.get())
         .create();
   }

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

@@ -157,6 +157,8 @@ private Long getMemorySize(ActivityManager.MemoryInfo memInfo) {
   // we can get some inspiration here
   // https://github.com/flutter/plugins/blob/master/packages/device_info/android/src/main/java/io/flutter/plugins/deviceinfo/DeviceInfoPlugin.java
   private Device getDevice() {
+    // TODO: missing name and usable memory
+
     Device device = new Device();
     device.setManufacturer(Build.MANUFACTURER);
     device.setBrand(Build.BRAND);

sentry-android-core/src/main/java/io/sentry/android/core/adapters/SentryLevelDeserializerAdapter.java

@@ -0,0 +1,32 @@
+package io.sentry.android.core.adapters;
+
+import static io.sentry.core.ILogger.log;
+
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonParseException;
+import io.sentry.core.ILogger;
+import io.sentry.core.SentryLevel;
+import java.lang.reflect.Type;
+import java.util.Locale;
+
+public class SentryLevelDeserializerAdapter implements JsonDeserializer<SentryLevel> {
+
+  private final ILogger logger;
+
+  public SentryLevelDeserializerAdapter(ILogger logger) {
+    this.logger = logger;
+  }
+
+  @Override
+  public SentryLevel deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
+      throws JsonParseException {
+    try {
+      return json == null ? null : SentryLevel.valueOf(json.getAsString().toUpperCase(Locale.ROOT));
+    } catch (Exception e) {
+      log(logger, SentryLevel.ERROR, "Error when deserializing SentryLevel", e);
+    }
+    return null;
+  }
+}

sentry-android-core/src/main/java/io/sentry/android/core/adapters/SentryLevelSerializerAdapter.java

@@ -0,0 +1,31 @@
+package io.sentry.android.core.adapters;
+
+import static io.sentry.core.ILogger.log;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonPrimitive;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
+import io.sentry.core.ILogger;
+import io.sentry.core.SentryLevel;
+import java.lang.reflect.Type;
+import java.util.Locale;
+
+public class SentryLevelSerializerAdapter implements JsonSerializer<SentryLevel> {
+
+  private final ILogger logger;
+
+  public SentryLevelSerializerAdapter(ILogger logger) {
+    this.logger = logger;
+  }
+
+  @Override
+  public JsonElement serialize(SentryLevel src, Type typeOfSrc, JsonSerializationContext context) {
+    try {
+      return src == null ? null : new JsonPrimitive(src.name().toLowerCase(Locale.ROOT));
+    } catch (Exception e) {
+      log(logger, SentryLevel.ERROR, "Error when serializing SentryLevel", e);
+    }
+    return null;
+  }
+}

sentry-core/src/main/java/io/sentry/core/MainEventProcessor.java

@@ -20,6 +20,7 @@ public SentryEvent process(SentryEvent event) {
       event.setThreads(sentryThreadFactory.getCurrentThreads());
     }
 
+    // DefaultAndroidEventProcessor also sets it, which one is correct or which one should be 1st?
     if (event.getRelease() == null) {
       event.setRelease(options.getRelease());
     }

sentry-core/src/main/java/io/sentry/core/Sentry.java

@@ -74,35 +74,35 @@ public static SentryId captureException(Throwable throwable) {
     return getCurrentHub().captureException(throwable);
   }
 
-  public void addBreadcrumb(Breadcrumb breadcrumb) {
+  public static void addBreadcrumb(Breadcrumb breadcrumb) {
     getCurrentHub().addBreadcrumb(breadcrumb);
   }
 
-  public SentryId getLastEventId() {
+  public static SentryId getLastEventId() {
     return getCurrentHub().getLastEventId();
   }
 
-  public void pushScope() {
+  public static void pushScope() {
     getCurrentHub().pushScope();
   }
 
-  public void popScope() {
+  public static void popScope() {
     getCurrentHub().popScope();
   }
 
-  public void withScope(ScopeCallback callback) {
+  public static void withScope(ScopeCallback callback) {
     getCurrentHub().withScope(callback);
   }
 
-  public void configureScope(ScopeCallback callback) {
+  public static void configureScope(ScopeCallback callback) {
     getCurrentHub().configureScope(callback);
   }
 
-  public void bindClient(SentryClient client) {
+  public static void bindClient(SentryClient client) {
     getCurrentHub().bindClient(client);
   }
 
-  public void flush(int timeoutMills) {
+  public static void flush(int timeoutMills) {
     getCurrentHub().flush(timeoutMills);
   }
 

sentry-core/src/main/java/io/sentry/core/protocol/Contexts.java

@@ -39,7 +39,7 @@ public OperatingSystem getOperatingSystem() {
   }
 
   public void setOperatingSystem(OperatingSystem operatingSystem) {
-    this.put(Device.TYPE, operatingSystem);
+    this.put(OperatingSystem.TYPE, operatingSystem);
   }
 
   public Runtime getRuntime() {

sentry-sample/src/main/java/io/sentry/sample/MainActivity.java

@@ -2,7 +2,11 @@
 
 import android.os.Bundle;
 import androidx.appcompat.app.AppCompatActivity;
+import io.sentry.core.Breadcrumb;
 import io.sentry.core.Sentry;
+import io.sentry.core.SentryLevel;
+import io.sentry.core.protocol.User;
+import java.util.Collections;
 import timber.log.Timber;
 
 public class MainActivity extends AppCompatActivity {
@@ -33,5 +37,24 @@ protected void onCreate(Bundle savedInstanceState) {
             view -> {
               Sentry.captureException(new Exception("Some exception."));
             });
+
+    findViewById(R.id.breadcrumb)
+        .setOnClickListener(
+            view -> {
+              Sentry.configureScope(
+                  scope -> {
+                    Breadcrumb breadcrumb = new Breadcrumb();
+                    breadcrumb.setMessage("Breadcrumb");
+                    scope.addBreadcrumb(breadcrumb);
+                    scope.setExtra("extra", "extra");
+                    scope.setFingerprint(Collections.singletonList("fingerprint"));
+                    scope.setLevel(SentryLevel.INFO);
+                    scope.setTransaction("transaction");
+                    User user = new User();
+                    user.setUsername("username");
+                    scope.setUser(user);
+                    scope.setTag("tag", "tag");
+                  });
+            });
   }
 }

sentry-sample/src/main/res/layout/activity_main.xml

@@ -20,4 +20,9 @@
           android:layout_height="wrap_content"
           android:id="@+id/capture_exception"
           android:text="@string/capture_exception"/>
+
+  <Button android:layout_width="wrap_content"
+          android:layout_height="wrap_content"
+          android:id="@+id/breadcrumb"
+          android:text="@string/breadcrumb"/>
 </LinearLayout>

sentry-sample/src/main/res/values/strings.xml

@@ -3,4 +3,5 @@
   <string name="crash_me">Crash Me</string>
   <string name="send_message">Send Message</string>
   <string name="capture_exception">Capture Exception</string>
+  <string name="breadcrumb">Breadcrumb</string>
 </resources>