Merge "Add generic sugar for ArrayMap and ArraySet." (1a6a620e) · Commits · e / os / android_frameworks_base

core/java/com/google/android/collect/Maps.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		package com.google.android.collect;

		import android.util.ArrayMap;

		import java.util.HashMap;

		/**
		@@ -30,4 +32,11 @@ public class Maps {
		public static <K, V> HashMap<K, V> newHashMap() {
		return new HashMap<K, V>();
		}

		/**
		* Creates a {@code ArrayMap} instance.
		*/
		public static <K, V> ArrayMap<K, V> newArrayMap() {
		return new ArrayMap<K, V>();
		}
		}

+18 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		package com.google.android.collect;

		import android.util.ArraySet;

		import java.util.Collections;
		import java.util.EnumSet;
		import java.util.HashSet;
		@@ -90,4 +92,20 @@ public class Sets {
		return set;
		}

		/**
		* Creates a {@code ArraySet} instance.
		*/
		public static <E> ArraySet<E> newArraySet() {
		return new ArraySet<E>();
		}

		/**
		* Creates a {@code ArraySet} instance containing the given elements.
		*/
		public static <E> ArraySet<E> newArraySet(E... elements) {
		int capacity = elements.length * 4 / 3 + 1;
		ArraySet<E> set = new ArraySet<E>(capacity);
		Collections.addAll(set, elements);
		return set;
		}
		}