/*
* Copyright (C) 2015 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 android.support.previewsdk;
import android.os.Build;
/**
* Utility class for performing version checks on Android platform preview SDKs.
*
* <p>Apps must be very careful when targeting preview builds because binary compatibility
* is not guaranteed. APIs can be renamed or drastically changed before they are finalized
* into a new API level. The new SDK constant <code>Build.VERSION.PREVIEW_SDK_INT</code>
* marks a precise snapshot version of prerelease API.</p>
*
* <p>{@link #isKnownPreviewDevice()} will return <code>true</code> if the current device
* is running a preview build with the same SDK snapshot this support lib was built with.
* If it returns <code>true</code> it is safe to call prerelease APIs. If not, the app
* should fall back to only assuming the presence of the latest public, final API level.</p>
*/
public class PreviewSdk {
/**
* Check if the current device is running a prerelease platform preview build matching
* the SDK this library was built for. If it returns true, it is safe to call prerelease
* APIs known to this SDK.
*
* @return true if the device is running a preview build that matches the SDK.
*/
public static boolean isKnownPreviewDevice() {
return "MNC".equals(Build.VERSION.CODENAME)
&& Build.VERSION.PREVIEW_SDK_INT == PreviewConstants.PREVIEW_SDK_VERSION;
}
}