65 lines
2.6 KiB
Java
65 lines
2.6 KiB
Java
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package com.google.protobuf;
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final class Android {
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private Android() {
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}
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// Set to true in lite_proguard_android.pgcfg.
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@SuppressWarnings("ConstantField")
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private static boolean ASSUME_ANDROID;
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private static final Class<?> MEMORY_CLASS = getClassForName("libcore.io.Memory");
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private static final boolean IS_ROBOLECTRIC =
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!ASSUME_ANDROID && getClassForName("org.robolectric.Robolectric") != null;
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/** Returns {@code true} if running on an Android device. */
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static boolean isOnAndroidDevice() {
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return ASSUME_ANDROID || (MEMORY_CLASS != null && !IS_ROBOLECTRIC);
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}
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/** Returns the memory class or {@code null} if not on Android device. */
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static Class<?> getMemoryClass() {
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return MEMORY_CLASS;
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}
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@SuppressWarnings("unchecked")
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private static <T> Class<T> getClassForName(String name) {
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try {
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return (Class<T>) Class.forName(name);
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} catch (Throwable e) {
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return null;
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}
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}
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}
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