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/*
* Copyright (C) 2012 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.telephony;
import android.os.Parcel;
import android.os.Parcelable;
/**
* Abstract base class for cell phone signal strength related information.
*/
public abstract class CellSignalStrength implements Parcelable {
// Type fields for parceling
/** @hide */
protected static final int TYPE_GSM = 1;
/** @hide */
protected static final int TYPE_CDMA = 2;
/** @hide */
protected static final int TYPE_LTE = 3;
/** @hide */
public static final int SIGNAL_STRENGTH_NONE_OR_UNKNOWN = 0;
/** @hide */
public static final int SIGNAL_STRENGTH_POOR = 1;
/** @hide */
public static final int SIGNAL_STRENGTH_MODERATE = 2;
/** @hide */
public static final int SIGNAL_STRENGTH_GOOD = 3;
/** @hide */
public static final int SIGNAL_STRENGTH_GREAT = 4;
/** @hide */
public static final int NUM_SIGNAL_STRENGTH_BINS = 5;
/** @hide */
public static final String[] SIGNAL_STRENGTH_NAMES = {
"none", "poor", "moderate", "good", "great"
};
/** @hide */
protected CellSignalStrength() {
}
/** @hide */
public abstract void setDefaultValues();
/**
* Get signal level as an int from 0..4
*
* @hide
*/
public abstract int getLevel();
/**
* Get the signal level as an asu value between 0..31, 99 is unknown
*
* @hide
*/
public abstract int getAsuLevel();
/**
* Get the signal strength as dBm
*
* @hide
*/
public abstract int getDbm();
/**
* Copies the CellSignalStrength.
*
* @return A deep copy of this class.
* @hide
*/
public abstract CellSignalStrength copy();
@Override
public abstract int hashCode();
@Override
public abstract boolean equals (Object o);
/** Implement the Parcelable interface */
@Override
public int describeContents() {
return 0;
}
/** Implement the Parcelable interface */
@Override
public abstract void writeToParcel(Parcel dest, int flags);
/** Implement the Parcelable interface */
public static final Creator<CellSignalStrength> CREATOR =
new Creator<CellSignalStrength>() {
@Override
public CellSignalStrength createFromParcel(Parcel in) {
int type = in.readInt();
switch (type) {
case TYPE_GSM: return CellSignalStrengthGsm.createFromParcelBody(in);
case TYPE_CDMA: return CellSignalStrengthCdma.createFromParcelBody(in);
case TYPE_LTE: return CellSignalStrengthLte.createFromParcelBody(in);
default: throw new RuntimeException("Bad CellSignalStrength Parcel");
}
}
@Override
public CellSignalStrength[] newArray(int size) {
return new CellSignalStrength[size];
}
};
}
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