1 files changed, 33 insertions, 0 deletions
diff --git a/iconloaderlib/src/com/android/launcher3/util/Provider.java b/iconloaderlib/src/com/android/launcher3/util/Provider.java
new file mode 100644
index 000000000..4a54c0f05
--- /dev/null
+++ b/iconloaderlib/src/com/android/launcher3/util/Provider.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2016 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.launcher3.util;
+
+/**
+ * Utility class to allow lazy initialization of objects.
+ */
+public interface Provider<T> {
+
+    /**
+     * Initializes and returns the object. This may contain expensive operations not suitable
+     * to UI thread.
+     */
+    T get();
+
+    static <T> Provider<T> of (T value) {
+        return() -> value;
+    }
+}