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34 lines
1008 B
C
34 lines
1008 B
C
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// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_ANDROID_CELLULAR_SIGNAL_STRENGTH_H_
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#define NET_ANDROID_CELLULAR_SIGNAL_STRENGTH_H_
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#include <jni.h>
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#include <stdint.h>
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#include "base/optional.h"
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#include "net/base/net_export.h"
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namespace net {
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namespace android {
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namespace cellular_signal_strength {
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// Returns the signal strength level (between 0 and 4, both inclusive) of the
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// currently registered cellular connection. If the value is unavailable, an
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// empty value is returned. If the signal strength value returned by platform
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// API is less than 0, this method returns 0. If the platform API returns a
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// value larger than 4, then this method returns 4.
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NET_EXPORT_PRIVATE base::Optional<int32_t> GetSignalStrengthLevel();
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} // namespace cellular_signal_strength
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} // namespace android
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} // namespace net
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#endif // NET_ANDROID_CELLULAR_SIGNAL_STRENGTH_H_
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