1 files changed, 64 insertions, 0 deletions
diff --git a/src/com/android/car/messenger/impl/CarMessengerApp.java b/src/com/android/car/messenger/impl/CarMessengerApp.java
new file mode 100644
index 0000000..98fbf58
--- /dev/null
+++ b/src/com/android/car/messenger/impl/CarMessengerApp.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.car.messenger.impl;
+
+import android.app.Application;
+import android.os.Handler;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.android.car.messenger.core.util.L;
+
+import java.lang.Thread.UncaughtExceptionHandler;
+
+/** The application object */
+public class CarMessengerApp extends Application implements UncaughtExceptionHandler {
+    @Nullable private static UncaughtExceptionHandler sSystemUncaughtExceptionHandler;
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        AppFactoryImpl.register(this);
+        sSystemUncaughtExceptionHandler = Thread.getDefaultUncaughtExceptionHandler();
+        Thread.setDefaultUncaughtExceptionHandler(this);
+    }
+
+    @Override
+    public void onLowMemory() {
+        super.onLowMemory();
+        L.d("onLowMemory");
+    }
+
+    @Override
+    public void uncaughtException(final Thread thread, final Throwable ex) {
+        final boolean background = getMainLooper().getThread() != thread;
+        if (background) {
+            L.e("Uncaught exception in background thread " + thread, ex);
+            final Handler handler = new Handler(getMainLooper());
+            handler.post(() -> nullSafeUncaughtException(thread, ex));
+        } else {
+            nullSafeUncaughtException(thread, ex);
+        }
+    }
+
+    private static void nullSafeUncaughtException(@NonNull Thread thread, @NonNull Throwable ex) {
+        if (sSystemUncaughtExceptionHandler != null) {
+            sSystemUncaughtExceptionHandler.uncaughtException(thread, ex);
+        }
+    }
+}