Merge "Refactor SignalStrength" am: 0f1bf44c99 am: 77a7e552e6 (bc18834f) · Commits · e / os / android_frameworks_base

telephony/java/android/telephony/CarrierConfigManager.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -2000,6 +2000,8 @@ public class CarrierConfigManager {
		* Determine whether to use only RSRP for the number of LTE signal bars.
		* @hide
		*/
		// FIXME: this key and related keys must not be exposed without a consistent philosophy for
		// all RATs.
		public static final String KEY_USE_ONLY_RSRP_FOR_LTE_SIGNAL_BAR_BOOL =
		"use_only_rsrp_for_lte_signal_bar_bool";

		@@ -2243,6 +2245,8 @@ public class CarrierConfigManager {
		* Currently this only supports the value "rscp"
		* @hide
		*/
		// FIXME: this key and related keys must not be exposed without a consistent philosophy for
		// all RATs.
		public static final String KEY_WCDMA_DEFAULT_SIGNAL_STRENGTH_MEASUREMENT_STRING =
		"wcdma_default_signal_strength_measurement_string";

telephony/java/android/telephony/CellSignalStrength.java

+67 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		package android.telephony;

		import android.os.PersistableBundle;

		/**
		* Abstract base class for cell phone signal strength related information.
		*/
		@@ -80,9 +82,74 @@ public abstract class CellSignalStrength {
		*/
		public abstract CellSignalStrength copy();

		/**
		* Checks and returns whether there are any non-default values in this CellSignalStrength.
		*
		* Checks all the values in the subclass of CellSignalStrength and returns true if any of them
		* have been set to a value other than their default.
		*
		* @hide
		*/
		public abstract boolean isValid();

		@Override
		public abstract int hashCode();

		@Override
		public abstract boolean equals (Object o);

		/**
		* Calculate and set the carrier-influenced values such as the signal "Level".
		*
		* @hide
		*/
		public abstract void updateLevel(PersistableBundle cc, ServiceState ss);

		// Range for RSSI in ASU (0-31, 99) as defined in TS 27.007 8.69
		/** @hide */
		protected static final int getRssiDbmFromAsu(int asu) {
		if (asu > 31 \|\| asu < 0) return CellInfo.UNAVAILABLE;
		return -113 + (2 * asu);
		}

		// Range for RSSI in ASU (0-31, 99) as defined in TS 27.007 8.69
		/** @hide */
		protected static final int getAsuFromRssiDbm(int dbm) {
		if (dbm == CellInfo.UNAVAILABLE) return 99;
		return (dbm / 2) + 113;
		}

		// Range for RSCP in ASU (0-96, 255) as defined in TS 27.007 8.69
		/** @hide */
		protected static final int getRscpDbmFromAsu(int asu) {
		if (asu > 96 \|\| asu < 0) return CellInfo.UNAVAILABLE;
		return asu - 120;
		}

		// Range for RSCP in ASU (0-96, 255) as defined in TS 27.007 8.69
		/** @hide */
		protected static final int getAsuFromRscpDbm(int dbm) {
		if (dbm == CellInfo.UNAVAILABLE) return 255;
		return dbm + 120;
		}

		// Range for SNR in ASU (0-49, 255) as defined in TS 27.007 8.69
		/** @hide */
		protected static final int getEcNoDbFromAsu(int asu) {
		if (asu > 49 \|\| asu < 0) return CellInfo.UNAVAILABLE;
		return -24 + (asu / 2);
		}

		/** @hide */
		protected static final int inRangeOrUnavailable(int value, int rangeMin, int rangeMax) {
		if (value < rangeMin \|\| value > rangeMax) return CellInfo.UNAVAILABLE;
		return value;
		}

		/** @hide */
		protected static final int inRangeOrUnavailable(
		int value, int rangeMin, int rangeMax, int special) {
		if ((value < rangeMin \|\| value > rangeMax) && value != special) return CellInfo.UNAVAILABLE;
		return value;
		}
		}

telephony/java/android/telephony/CellSignalStrengthCdma.java

+136 −32

Original line number	Diff line number	Diff line
		@@ -18,6 +18,7 @@ package android.telephony;

		import android.os.Parcel;
		import android.os.Parcelable;
		import android.os.PersistableBundle;
		import android.telephony.Rlog;

		import java.util.Objects;
		@@ -35,6 +36,7 @@ public final class CellSignalStrengthCdma extends CellSignalStrength implements
		private int mEvdoDbm; // This value is the EVDO RSSI value
		private int mEvdoEcio; // This value is the EVDO Ec/Io
		private int mEvdoSnr; // Valid values are 0-8. 8 is the highest signal to noise ratio
		private int mLevel;

		/** @hide */
		public CellSignalStrengthCdma() {
		@@ -55,23 +57,29 @@ public final class CellSignalStrengthCdma extends CellSignalStrength implements
		* rather than left as -1, which is a departure from SignalStrength, which is stuck with the
		* values it currently reports.
		*
		* @param cdmaDbm negative of the CDMA signal strength value or -1 if invalid.
		* @param cdmaEcio negative of the CDMA pilot/noise ratio or -1 if invalid.
		* @param evdoDbm negative of the EvDO signal strength value or -1 if invalid.
		* @param evdoEcio negative of the EvDO pilot/noise ratio or -1 if invalid.
		* @param evdoSnr an SNR value 0..8 or -1 if invalid.
		* @param cdmaDbm CDMA signal strength value or CellInfo.UNAVAILABLE if invalid.
		* @param cdmaEcio CDMA pilot/noise ratio or CellInfo.UNAVAILABLE if invalid.
		* @param evdoDbm negative of the EvDO signal strength value or CellInfo.UNAVAILABLE if invalid.
		* @param evdoEcio negative of the EvDO pilot/noise ratio or CellInfo.UNAVAILABLE if invalid.
		* @param evdoSnr an SNR value 0..8 or CellInfo.UNVAILABLE if invalid.
		* @hide
		*/
		public CellSignalStrengthCdma(int cdmaDbm, int cdmaEcio, int evdoDbm, int evdoEcio,
		int evdoSnr) {
		// The values here were lifted from SignalStrength.validateInput()
		// FIXME: Combine all checking and setting logic between this and SignalStrength.
		mCdmaDbm = ((cdmaDbm > 0) && (cdmaDbm < 120)) ? -cdmaDbm : CellInfo.UNAVAILABLE;
		mCdmaEcio = ((cdmaEcio > 0) && (cdmaEcio < 160)) ? -cdmaEcio : CellInfo.UNAVAILABLE;
		mCdmaDbm = inRangeOrUnavailable(cdmaDbm, -120, 0);
		mCdmaEcio = inRangeOrUnavailable(cdmaEcio, -160, 0);
		mEvdoDbm = inRangeOrUnavailable(evdoDbm, -120, 0);
		mEvdoEcio = inRangeOrUnavailable(evdoEcio, -160, 0);
		mEvdoSnr = inRangeOrUnavailable(evdoSnr, 0, 8);

		mEvdoDbm = ((evdoDbm > 0) && (evdoDbm < 120)) ? -evdoDbm : CellInfo.UNAVAILABLE;
		mEvdoEcio = ((evdoEcio > 0) && (evdoEcio < 160)) ? -evdoEcio : CellInfo.UNAVAILABLE;
		mEvdoSnr = ((evdoSnr > 0) && (evdoSnr <= 8)) ? evdoSnr : CellInfo.UNAVAILABLE;
		updateLevel(null, null);
		}

		/** @hide */
		public CellSignalStrengthCdma(android.hardware.radio.V1_0.CdmaSignalStrength cdma,
		android.hardware.radio.V1_0.EvdoSignalStrength evdo) {
		// Convert from HAL values as part of construction.
		this(-cdma.dbm, -cdma.ecio, -evdo.dbm, -evdo.ecio, evdo.signalNoiseRatio);
		}

		/** @hide */
		@@ -86,6 +94,7 @@ public final class CellSignalStrengthCdma extends CellSignalStrength implements
		mEvdoDbm = s.mEvdoDbm;
		mEvdoEcio = s.mEvdoEcio;
		mEvdoSnr = s.mEvdoSnr;
		mLevel = s.mLevel;
		}

		/** @hide */
		@@ -102,6 +111,7 @@ public final class CellSignalStrengthCdma extends CellSignalStrength implements
		mEvdoDbm = CellInfo.UNAVAILABLE;
		mEvdoEcio = CellInfo.UNAVAILABLE;
		mEvdoSnr = CellInfo.UNAVAILABLE;
		mLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
		}

		/**
		@@ -112,26 +122,54 @@ public final class CellSignalStrengthCdma extends CellSignalStrength implements
		*/
		@Override
		public int getLevel() {
		int level;
		return mLevel;
		}

		/** @hide */
		@Override
		public void updateLevel(PersistableBundle cc, ServiceState ss) {
		int cdmaLevel = getCdmaLevel();
		int evdoLevel = getEvdoLevel();
		if (evdoLevel == SIGNAL_STRENGTH_NONE_OR_UNKNOWN) {
		/* We don't know evdo, use cdma */
		level = getCdmaLevel();
		mLevel = getCdmaLevel();
		} else if (cdmaLevel == SIGNAL_STRENGTH_NONE_OR_UNKNOWN) {
		/* We don't know cdma, use evdo */
		level = getEvdoLevel();
		mLevel = getEvdoLevel();
		} else {
		/* We know both, use the lowest level */
		level = cdmaLevel < evdoLevel ? cdmaLevel : evdoLevel;
		mLevel = cdmaLevel < evdoLevel ? cdmaLevel : evdoLevel;
		}
		if (DBG) log("getLevel=" + level);
		return level;
		}

		/**
		* Get the signal level as an asu value between 0..97, 99 is unknown
		* Get the 1xRTT Level in (Android) ASU.
		*
		* There is no standard definition of ASU for CDMA; however, Android defines it as the
		* the lesser of the following two results (for 1xRTT):
		* <table>
		* <thead><tr><th>RSSI Range (dBm)</th><th>ASU Value</th></tr><thead>
		* <tbody>
		* <tr><td>-75..</td><td>16</td></tr>
		* <tr><td>-82..-76</td><td>8</td></tr>
		* <tr><td>-90..-83</td><td>4</td></tr>
		* <tr><td>-95..-91</td><td>2</td></tr>
		* <tr><td>-100..-96</td><td>1</td></tr>
		* <tr><td>..-101</td><td>99</td></tr>
		* </tbody>
		* </table>
		* <table>
		* <thead><tr><th>Ec/Io Range (dB)</th><th>ASU Value</th></tr><thead>
		* <tbody>
		* <tr><td>-90..</td><td>16</td></tr>
		* <tr><td>-100..-91</td><td>8</td></tr>
		* <tr><td>-115..-101</td><td>4</td></tr>
		* <tr><td>-130..-116</td><td>2</td></tr>
		* <tr><td>--150..-131</td><td>1</td></tr>
		* <tr><td>..-151</td><td>99</td></tr>
		* </tbody>
		* </table>
		* @return 1xRTT Level in Android ASU {1,2,4,8,16,99}
		*/
		@Override
		public int getAsuLevel() {
		@@ -219,6 +257,63 @@ public final class CellSignalStrengthCdma extends CellSignalStrength implements
		return level;
		}

		/**
		* Get the EVDO Level in (Android) ASU.
		*
		* There is no standard definition of ASU for CDMA; however, Android defines it as the
		* the lesser of the following two results (for EVDO):
		* <table>
		* <thead><tr><th>RSSI Range (dBm)</th><th>ASU Value</th></tr><thead>
		* <tbody>
		* <tr><td>-65..</td><td>16</td></tr>
		* <tr><td>-75..-66</td><td>8</td></tr>
		* <tr><td>-85..-76</td><td>4</td></tr>
		* <tr><td>-95..-86</td><td>2</td></tr>
		* <tr><td>-105..-96</td><td>1</td></tr>
		* <tr><td>..-106</td><td>99</td></tr>
		* </tbody>
		* </table>
		* <table>
		* <thead><tr><th>SNR Range (unitless)</th><th>ASU Value</th></tr><thead>
		* <tbody>
		* <tr><td>7..</td><td>16</td></tr>
		* <tr><td>6</td><td>8</td></tr>
		* <tr><td>5</td><td>4</td></tr>
		* <tr><td>3..4</td><td>2</td></tr>
		* <tr><td>1..2</td><td>1</td></tr>
		* <tr><td>0</td><td>99</td></tr>
		* </tbody>
		* </table>
		*
		* @return EVDO Level in Android ASU {1,2,4,8,16,99}
		*
		* @hide
		*/
		public int getEvdoAsuLevel() {
		int evdoDbm = getEvdoDbm();
		int evdoSnr = getEvdoSnr();
		int levelEvdoDbm;
		int levelEvdoSnr;

		if (evdoDbm >= -65) levelEvdoDbm = 16;
		else if (evdoDbm >= -75) levelEvdoDbm = 8;
		else if (evdoDbm >= -85) levelEvdoDbm = 4;
		else if (evdoDbm >= -95) levelEvdoDbm = 2;
		else if (evdoDbm >= -105) levelEvdoDbm = 1;
		else levelEvdoDbm = 99;

		if (evdoSnr >= 7) levelEvdoSnr = 16;
		else if (evdoSnr >= 6) levelEvdoSnr = 8;
		else if (evdoSnr >= 5) levelEvdoSnr = 4;
		else if (evdoSnr >= 3) levelEvdoSnr = 2;
		else if (evdoSnr >= 1) levelEvdoSnr = 1;
		else levelEvdoSnr = 99;

		int level = (levelEvdoDbm < levelEvdoSnr) ? levelEvdoDbm : levelEvdoSnr;
		if (DBG) log("getEvdoAsuLevel=" + level);
		return level;
		}

		/**
		* Get the signal strength as dBm
		*/
		@@ -237,6 +332,7 @@ public final class CellSignalStrengthCdma extends CellSignalStrength implements
		public int getCdmaDbm() {
		return mCdmaDbm;
		}

		/** @hide */
		public void setCdmaDbm(int cdmaDbm) {
		mCdmaDbm = cdmaDbm;
		@@ -248,6 +344,7 @@ public final class CellSignalStrengthCdma extends CellSignalStrength implements
		public int getCdmaEcio() {
		return mCdmaEcio;
		}

		/** @hide */
		public void setCdmaEcio(int cdmaEcio) {
		mCdmaEcio = cdmaEcio;
		@@ -259,6 +356,7 @@ public final class CellSignalStrengthCdma extends CellSignalStrength implements
		public int getEvdoDbm() {
		return mEvdoDbm;
		}

		/** @hide */
		public void setEvdoDbm(int evdoDbm) {
		mEvdoDbm = evdoDbm;
		@@ -270,6 +368,7 @@ public final class CellSignalStrengthCdma extends CellSignalStrength implements
		public int getEvdoEcio() {
		return mEvdoEcio;
		}

		/** @hide */
		public void setEvdoEcio(int evdoEcio) {
		mEvdoEcio = evdoEcio;
		@@ -281,6 +380,7 @@ public final class CellSignalStrengthCdma extends CellSignalStrength implements
		public int getEvdoSnr() {
		return mEvdoSnr;
		}

		/** @hide */
		public void setEvdoSnr(int evdoSnr) {
		mEvdoSnr = evdoSnr;
		@@ -288,28 +388,29 @@ public final class CellSignalStrengthCdma extends CellSignalStrength implements

		@Override
		public int hashCode() {
		return Objects.hash(mCdmaDbm, mCdmaEcio, mEvdoDbm, mEvdoEcio, mEvdoSnr);
		return Objects.hash(mCdmaDbm, mCdmaEcio, mEvdoDbm, mEvdoEcio, mEvdoSnr, mLevel);
		}

		private static final CellSignalStrengthCdma sInvalid = new CellSignalStrengthCdma();

		/** @hide */
		@Override
		public boolean isValid() {
		return !this.equals(sInvalid);
		}

		@Override
		public boolean equals (Object o) {
		CellSignalStrengthCdma s;

		try {
		if (!(o instanceof CellSignalStrengthCdma)) return false;
		s = (CellSignalStrengthCdma) o;
		} catch (ClassCastException ex) {
		return false;
		}

		if (o == null) {
		return false;
		}

		return mCdmaDbm == s.mCdmaDbm
		&& mCdmaEcio == s.mCdmaEcio
		&& mEvdoDbm == s.mEvdoDbm
		&& mEvdoEcio == s.mEvdoEcio
		&& mEvdoSnr == s.mEvdoSnr;
		&& mEvdoSnr == s.mEvdoSnr
		&& mLevel == s.mLevel;
		}

		/**
		@@ -322,7 +423,8 @@ public final class CellSignalStrengthCdma extends CellSignalStrength implements
		+ " cdmaEcio=" + mCdmaEcio
		+ " evdoDbm=" + mEvdoDbm
		+ " evdoEcio=" + mEvdoEcio
		+ " evdoSnr=" + mEvdoSnr;
		+ " evdoSnr=" + mEvdoSnr
		+ " level=" + mLevel;
		}

		/** Implement the Parcelable interface */
		@@ -334,6 +436,7 @@ public final class CellSignalStrengthCdma extends CellSignalStrength implements
		dest.writeInt(mEvdoDbm);
		dest.writeInt(mEvdoEcio);
		dest.writeInt(mEvdoSnr);
		dest.writeInt(mLevel);
		}

		/**
		@@ -349,6 +452,7 @@ public final class CellSignalStrengthCdma extends CellSignalStrength implements
		mEvdoDbm = in.readInt();
		mEvdoEcio = in.readInt();
		mEvdoSnr = in.readInt();
		mLevel = in.readInt();
		if (DBG) log("CellSignalStrengthCdma(Parcel): " + toString());
		}

telephony/java/android/telephony/CellSignalStrengthGsm.java

+71 −66

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package android.telephony;
		import android.annotation.UnsupportedAppUsage;
		import android.os.Parcel;
		import android.os.Parcelable;
		import android.os.PersistableBundle;
		import android.telephony.Rlog;

		import java.util.Objects;
		@@ -31,16 +32,18 @@ public final class CellSignalStrengthGsm extends CellSignalStrength implements P
		private static final String LOG_TAG = "CellSignalStrengthGsm";
		private static final boolean DBG = false;

		private static final int GSM_SIGNAL_STRENGTH_GREAT = 12;
		private static final int GSM_SIGNAL_STRENGTH_GOOD = 8;
		private static final int GSM_SIGNAL_STRENGTH_MODERATE = 5;
		private static final int GSM_RSSI_MAX = -51;
		private static final int GSM_RSSI_GREAT = -89;
		private static final int GSM_RSSI_GOOD = -97;
		private static final int GSM_RSSI_MODERATE = -103;
		private static final int GSM_RSSI_POOR = -107;

		private int mRssi; // in dBm [-113, -51] or UNAVAILABLE
		@UnsupportedAppUsage
		private int mSignalStrength; // in ASU; Valid values are (0-31, 99) as defined in TS 27.007 8.5
		@UnsupportedAppUsage
		private int mBitErrorRate; // bit error rate (0-7, 99) as defined in TS 27.007 8.5
		@UnsupportedAppUsage
		private int mBitErrorRate; // bit error rate (0-7, 99) TS 27.007 8.5 or UNAVAILABLE
		@UnsupportedAppUsage(maxTargetSdk = android.os.Build.VERSION_CODES.O)
		private int mTimingAdvance; // range from 0-219 or CellInfo.UNAVAILABLE if unknown
		private int mLevel;

		/** @hide */
		@UnsupportedAppUsage
		@@ -49,15 +52,17 @@ public final class CellSignalStrengthGsm extends CellSignalStrength implements P
		}

		/** @hide */
		public CellSignalStrengthGsm(int ss, int ber) {
		this(ss, ber, CellInfo.UNAVAILABLE);
		public CellSignalStrengthGsm(int rssi, int ber, int ta) {
		mRssi = inRangeOrUnavailable(rssi, -113, -51);
		mBitErrorRate = inRangeOrUnavailable(ber, 0, 7, 99);
		mTimingAdvance = inRangeOrUnavailable(ta, 0, 219);
		updateLevel(null, null);
		}

		/** @hide */
		public CellSignalStrengthGsm(int ss, int ber, int ta) {
		mSignalStrength = ss;
		mBitErrorRate = ber;
		mTimingAdvance = ta;
		public CellSignalStrengthGsm(android.hardware.radio.V1_0.GsmSignalStrength gsm) {
		// Convert from HAL values as part of construction.
		this(getRssiDbmFromAsu(gsm.signalStrength), gsm.bitErrorRate, gsm.timingAdvance);
		}

		/** @hide */
		@@ -67,9 +72,10 @@ public final class CellSignalStrengthGsm extends CellSignalStrength implements P

		/** @hide */
		protected void copyFrom(CellSignalStrengthGsm s) {
		mSignalStrength = s.mSignalStrength;
		mRssi = s.mRssi;
		mBitErrorRate = s.mBitErrorRate;
		mTimingAdvance = s.mTimingAdvance;
		mLevel = s.mLevel;
		}

		/** @hide */
		@@ -81,9 +87,10 @@ public final class CellSignalStrengthGsm extends CellSignalStrength implements P
		/** @hide */
		@Override
		public void setDefaultValues() {
		mSignalStrength = CellInfo.UNAVAILABLE;
		mRssi = CellInfo.UNAVAILABLE;
		mBitErrorRate = CellInfo.UNAVAILABLE;
		mTimingAdvance = CellInfo.UNAVAILABLE;
		mLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
		}

		/**
		@@ -94,20 +101,18 @@ public final class CellSignalStrengthGsm extends CellSignalStrength implements P
		*/
		@Override
		public int getLevel() {
		int level;

		// ASU ranges from 0 to 31 - TS 27.007 Sec 8.5
		// asu = 0 (-113dB or less) is very weak
		// signal, its better to show 0 bars to the user in such cases.
		// asu = 99 is a special case, where the signal strength is unknown.
		int asu = mSignalStrength;
		if (asu <= 2 \|\| asu == 99) level = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
		else if (asu >= GSM_SIGNAL_STRENGTH_GREAT) level = SIGNAL_STRENGTH_GREAT;
		else if (asu >= GSM_SIGNAL_STRENGTH_GOOD) level = SIGNAL_STRENGTH_GOOD;
		else if (asu >= GSM_SIGNAL_STRENGTH_MODERATE) level = SIGNAL_STRENGTH_MODERATE;
		else level = SIGNAL_STRENGTH_POOR;
		if (DBG) log("getLevel=" + level);
		return level;
		return mLevel;
		}

		/** @hide */
		@Override
		public void updateLevel(PersistableBundle cc, ServiceState ss) {
		if (mRssi > GSM_RSSI_MAX) mLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
		else if (mRssi >= GSM_RSSI_GREAT) mLevel = SIGNAL_STRENGTH_GREAT;
		else if (mRssi >= GSM_RSSI_GOOD) mLevel = SIGNAL_STRENGTH_GOOD;
		else if (mRssi >= GSM_RSSI_MODERATE) mLevel = SIGNAL_STRENGTH_MODERATE;
		else if (mRssi >= GSM_RSSI_POOR) mLevel = SIGNAL_STRENGTH_POOR;
		else mLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
		}

		/**
		@@ -126,55 +131,52 @@ public final class CellSignalStrengthGsm extends CellSignalStrength implements P
		*/
		@Override
		public int getDbm() {
		int dBm;

		int level = mSignalStrength;
		int asu = (level == 99 ? CellInfo.UNAVAILABLE : level);
		if (asu != CellInfo.UNAVAILABLE) {
		dBm = -113 + (2 * asu);
		} else {
		dBm = CellInfo.UNAVAILABLE;
		}
		if (DBG) log("getDbm=" + dBm);
		return dBm;
		return mRssi;
		}

		/**
		* Get the signal level as an asu value between 0..31, 99 is unknown
		* Get the RSSI in ASU.
		*
		* Asu is calculated based on 3GPP RSRP. Refer to 3GPP 27.007 (Ver 10.3.0) Sec 8.69
		*
		* @return RSSI in ASU 0..31, 99, or UNAVAILABLE
		*/
		@Override
		public int getAsuLevel() {
		// ASU ranges from 0 to 31 - TS 27.007 Sec 8.5
		// asu = 0 (-113dB or less) is very weak
		// signal, its better to show 0 bars to the user in such cases.
		// asu = 99 is a special case, where the signal strength is unknown.
		int level = mSignalStrength;
		if (DBG) log("getAsuLevel=" + level);
		return level;
		return getAsuFromRssiDbm(mRssi);
		}

		/**
		* Return the Bit Error Rate
		* @returns the bit error rate (0-7, 99) as defined in TS 27.007 8.5 or UNAVAILABLE.
		* @hide
		*/
		public int getBitErrorRate() {
		return mBitErrorRate;
		}

		@Override
		public int hashCode() {
		return Objects.hash(mSignalStrength, mBitErrorRate, mTimingAdvance);
		return Objects.hash(mRssi, mBitErrorRate, mTimingAdvance);
		}

		@Override
		public boolean equals (Object o) {
		CellSignalStrengthGsm s;
		private static final CellSignalStrengthGsm sInvalid = new CellSignalStrengthGsm();

		try {
		s = (CellSignalStrengthGsm) o;
		} catch (ClassCastException ex) {
		return false;
		/** @hide */
		@Override
		public boolean isValid() {
		return !this.equals(sInvalid);
		}

		if (o == null) {
		return false;
		}
		@Override
		public boolean equals(Object o) {
		if (!(o instanceof CellSignalStrengthGsm)) return false;
		CellSignalStrengthGsm s = (CellSignalStrengthGsm) o;

		return mSignalStrength == s.mSignalStrength && mBitErrorRate == s.mBitErrorRate &&
		s.mTimingAdvance == mTimingAdvance;
		return mRssi == s.mRssi
		&& mBitErrorRate == s.mBitErrorRate
		&& mTimingAdvance == s.mTimingAdvance
		&& mLevel == s.mLevel;
		}

		/**
		@@ -183,18 +185,20 @@ public final class CellSignalStrengthGsm extends CellSignalStrength implements P
		@Override
		public String toString() {
		return "CellSignalStrengthGsm:"
		+ " ss=" + mSignalStrength
		+ " rssi=" + mRssi
		+ " ber=" + mBitErrorRate
		+ " mTa=" + mTimingAdvance;
		+ " mTa=" + mTimingAdvance
		+ " mLevel=" + mLevel;
		}

		/** Implement the Parcelable interface */
		@Override
		public void writeToParcel(Parcel dest, int flags) {
		if (DBG) log("writeToParcel(Parcel, int): " + toString());
		dest.writeInt(mSignalStrength);
		dest.writeInt(mRssi);
		dest.writeInt(mBitErrorRate);
		dest.writeInt(mTimingAdvance);
		dest.writeInt(mLevel);
		}

		/**
		@@ -202,9 +206,10 @@ public final class CellSignalStrengthGsm extends CellSignalStrength implements P
		* where the token is already been processed.
		*/
		private CellSignalStrengthGsm(Parcel in) {
		mSignalStrength = in.readInt();
		mRssi = in.readInt();
		mBitErrorRate = in.readInt();
		mTimingAdvance = in.readInt();
		mLevel = in.readInt();
		if (DBG) log("CellSignalStrengthGsm(Parcel): " + toString());
		}

telephony/java/android/telephony/CellSignalStrengthLte.java

+180 −70

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