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/*
* Copyright (C) 2021 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.google.android.setupcompat.util;
import android.os.Build;
/**
* An util class to check whether the current OS version is higher or equal to sdk version of
* device.
*/
public final class BuildCompatUtils {
/**
* Implementation of BuildCompat.isAtLeast*() suitable for use in Setup
*
* <p>BuildCompat.isAtLeast*() can be changed by Android Release team, and once that is changed it
* may take weeks for that to propagate to stable/prerelease/experimental SDKs in Google3. Also it
* can be different in all these channels. This can cause random issues, especially with sidecars
* (i.e., the code running on R may not know that it runs on R).
*
* <p>This still should try using BuildCompat.isAtLeastR() as source of truth, but also checking
* for VERSION_SDK_INT and VERSION.CODENAME in case when BuildCompat implementation returned
* false. Note that both checks should be >= and not = to make sure that when Android version
* increases (i.e., from R to S), this does not stop working.
*
* <p>Supported configurations:
*
* <ul>
* <li>For current Android release: while new API is not finalized yet (CODENAME = "S", SDK_INT
* = 30|31)
* <li>For current Android release: when new API is finalized (CODENAME = "REL", SDK_INT = 31)
* <li>For next Android release (CODENAME = "T", SDK_INT = 30+)
* </ul>
*
* <p>Note that Build.VERSION_CODES.S cannot be used here until final SDK is available in all
* Google3 channels, because it is equal to Build.VERSION_CODES.CUR_DEVELOPMENT before API
* finalization.
*
* @return Whether the current OS version is higher or equal to S.
*/
public static boolean isAtLeastS() {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
return false;
}
return (Build.VERSION.CODENAME.equals("REL") && Build.VERSION.SDK_INT >= 31)
|| (Build.VERSION.CODENAME.length() == 1
&& Build.VERSION.CODENAME.charAt(0) >= 'S'
&& Build.VERSION.CODENAME.charAt(0) <= 'Z');
}
private BuildCompatUtils() {}
}
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