2 files changed, 45 insertions, 1 deletions
diff --git a/java/com/android/dialer/common/concurrent/DefaultFutureCallback.java b/java/com/android/dialer/common/concurrent/DefaultFutureCallback.java
new file mode 100644
index 000000000..93ad0faf0
--- /dev/null
+++ b/java/com/android/dialer/common/concurrent/DefaultFutureCallback.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2018 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.dialer.common.concurrent;
+
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.MoreExecutors;
+
+/**
+ * Returns a {@link FutureCallback} which does nothing on success and crashes the application on
+ * failure.
+ *
+ * <p>You generally shouldn't use this for futures which should be tied to UI, for those use {@link
+ * UiListener}.
+ *
+ * <p>Can be safely used with {@link MoreExecutors#directExecutor()}
+ */
+public final class DefaultFutureCallback<T> implements FutureCallback<T> {
+
+  @Override
+  public void onSuccess(T unused) {}
+
+  @Override
+  public void onFailure(Throwable throwable) {
+    ThreadUtil.getUiThreadHandler()
+        .post(
+            () -> {
+              throw new RuntimeException(throwable);
+            });
+  }
+}
diff --git a/java/com/android/dialer/common/concurrent/UiThreadExecutor.java b/java/com/android/dialer/common/concurrent/UiThreadExecutor.java
index ec51ed334..8378d69ce 100644
--- a/java/com/android/dialer/common/concurrent/UiThreadExecutor.java
+++ b/java/com/android/dialer/common/concurrent/UiThreadExecutor.java
@@ -31,7 +31,7 @@ import javax.inject.Inject;
 public class UiThreadExecutor extends AbstractListeningExecutorService {
 
   @Inject
-  UiThreadExecutor() {}
+  public UiThreadExecutor() {}
 
   @Override
   public void shutdown() {