Implement suggested SIM

This CL adds a module that can query providers to aid users choosing which SIM to call with.

Bug: 64214592
Test: MotoSuggestionProviderTest
PiperOrigin-RevId: 176129303
Change-Id: Idb6314ad7f5a1bcd20b5b9173d3bfd873383cc84

1 files changed, 44 insertions, 0 deletions

diff --git a/java/com/android/dialer/preferredsim/suggestion/stub/StubSuggestionProvider.java b/java/com/android/dialer/preferredsim/suggestion/stub/StubSuggestionProvider.java
new file mode 100644
index 000000000..e3240448d
--- /dev/null
+++ b/java/com/android/dialer/preferredsim/suggestion/stub/StubSuggestionProvider.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2017 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.preferredsim.suggestion.stub;
+
+import android.content.Context;
+import android.support.annotation.NonNull;
+import android.support.annotation.WorkerThread;
+import android.telecom.PhoneAccountHandle;
+import com.android.dialer.preferredsim.suggestion.SuggestionProvider;
+import com.google.common.base.Optional;
+import javax.inject.Inject;
+
+/** {@link SuggestionProvider} that does nothing. */
+public class StubSuggestionProvider implements SuggestionProvider {
+
+  @Inject
+  public StubSuggestionProvider() {}
+
+  @WorkerThread
+  @Override
+  public Optional<Suggestion> getSuggestion(Context context, String number) {
+    return Optional.absent();
+  }
+
+  @Override
+  public void reportUserSelection(
+      @NonNull Context context,
+      @NonNull String number,
+      @NonNull PhoneAccountHandle phoneAccountHandle) {}
+}