1 files changed, 55 insertions, 0 deletions
diff --git a/java/com/android/dialer/inject/demo/DemoDaggerApplication.java b/java/com/android/dialer/inject/demo/DemoDaggerApplication.java
new file mode 100644
index 000000000..0c13dbb48
--- /dev/null
+++ b/java/com/android/dialer/inject/demo/DemoDaggerApplication.java
@@ -0,0 +1,55 @@
+/*
+ * 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.inject.demo;
+
+import android.app.Application;
+import android.support.annotation.NonNull;
+import com.android.dialer.inject.ContextModule;
+import com.android.dialer.inject.DialerRootComponent;
+import com.android.dialer.inject.DialerVariant;
+import com.android.dialer.inject.HasRootComponent;
+
+/** Demo dialer dagger application. */
+@DialerRootComponent(variant = DialerVariant.DIALER_DEMO)
+public final class DemoDaggerApplication extends Application implements HasRootComponent {
+
+  private volatile Object rootComponent;
+
+  /** Returns a cached instance of application's root component. */
+  @Override
+  @NonNull
+  public final Object component() {
+    Object result = rootComponent;
+    if (result == null) {
+      synchronized (this) {
+        result = rootComponent;
+        if (result == null) {
+          rootComponent =
+              result = DaggerDialerDemo.builder().contextModule(new ContextModule(this)).build();
+        }
+      }
+    }
+    return result;
+  }
+
+  @Override
+  public void onCreate() {
+    super.onCreate();
+
+    DemoSubcomponent.get(this).demoObject();
+  }
+}