Merge changes from topic "cp-networkscan-optimize" into rvc-dev am: 6c8486c771 am: ce6618e8b7 (c306d00a) · Commits · e / os / android_frameworks_base

telephony/java/android/telephony/RadioAccessFamily.java

+30 −18

Original line number	Diff line number	Diff line
		@@ -260,24 +260,6 @@ public class RadioAccessFamily implements Parcelable {
		return raf;
		}

		/**
		* Returns the highest capability of the RadioAccessFamily (4G > 3G > 2G).
		* @param raf The RadioAccessFamily that we wish to filter
		* @return The highest radio capability
		*/
		public static int getHighestRafCapability(int raf) {
		if ((LTE & raf) > 0) {
		return TelephonyManager.NETWORK_CLASS_4_G;
		}
		if ((EVDO\|HS\|WCDMA & raf) > 0) {
		return TelephonyManager.NETWORK_CLASS_3_G;
		}
		if((GSM\|CDMA & raf) > 0) {
		return TelephonyManager.NETWORK_CLASS_2_G;
		}
		return TelephonyManager.NETWORK_CLASS_UNKNOWN;
		}

		@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
		@PrefNetworkMode
		public static int getNetworkTypeFromRaf(int raf) {
		@@ -395,4 +377,34 @@ public class RadioAccessFamily implements Parcelable {
		}
		return result;
		}

		/**
		* Compare two sets of network types to see which is more capable.
		*
		* This algorithm first tries to see see if a set has a strict superset of RAT support for
		* each generation, from newest to oldest; if that results in a tie, then it returns the set
		* that supports the most RAT types.
		*/
		public static int compare(long networkTypeBitmaskL, long networkTypeBitmaskR) {
		final long[] prioritizedNetworkClassBitmasks = new long[] {
		TelephonyManager.NETWORK_CLASS_BITMASK_5G,
		TelephonyManager.NETWORK_CLASS_BITMASK_4G,
		TelephonyManager.NETWORK_CLASS_BITMASK_3G,
		TelephonyManager.NETWORK_CLASS_BITMASK_2G,
		};

		long lhsUnique = networkTypeBitmaskL & ~networkTypeBitmaskR;
		long rhsUnique = networkTypeBitmaskR & ~networkTypeBitmaskL;

		// See if one has a strict super-set of capabilities, generation by generation.
		for (long classBitmask : prioritizedNetworkClassBitmasks) {
		int result = 0;
		if ((lhsUnique & classBitmask) != 0) ++result;
		if ((rhsUnique & classBitmask) != 0) --result;
		if (result != 0) return result;
		}

		// Without a clear winner, return the one that supports the most types.
		return Long.bitCount(networkTypeBitmaskL) - Long.bitCount(networkTypeBitmaskR);
		}
		}

telephony/java/android/telephony/TelephonyManager.java

+0 −58

Original line number	Diff line number	Diff line
		@@ -3074,64 +3074,6 @@ public class TelephonyManager {
		}
		}

		/**
		* Network Class Definitions.
		* Do not change this order, it is used for sorting during emergency calling in
		* {@link TelephonyConnectionService#getFirstPhoneForEmergencyCall()}. Any newer technologies
		* should be added after the current definitions.
		*/
		/** Unknown network class. {@hide} */
		public static final int NETWORK_CLASS_UNKNOWN = 0;
		/** Class of broadly defined "2G" networks. {@hide} */
		@UnsupportedAppUsage
		public static final int NETWORK_CLASS_2_G = 1;
		/** Class of broadly defined "3G" networks. {@hide} */
		@UnsupportedAppUsage
		public static final int NETWORK_CLASS_3_G = 2;
		/** Class of broadly defined "4G" networks. {@hide} */
		@UnsupportedAppUsage
		public static final int NETWORK_CLASS_4_G = 3;
		/** Class of broadly defined "5G" networks. {@hide} */
		public static final int NETWORK_CLASS_5_G = 4;

		/**
		* Return general class of network type, such as "3G" or "4G". In cases
		* where classification is contentious, this method is conservative.
		*
		* @hide
		*/
		@UnsupportedAppUsage
		public static int getNetworkClass(int networkType) {
		switch (networkType) {
		case NETWORK_TYPE_GPRS:
		case NETWORK_TYPE_GSM:
		case NETWORK_TYPE_EDGE:
		case NETWORK_TYPE_CDMA:
		case NETWORK_TYPE_1xRTT:
		case NETWORK_TYPE_IDEN:
		return NETWORK_CLASS_2_G;
		case NETWORK_TYPE_UMTS:
		case NETWORK_TYPE_EVDO_0:
		case NETWORK_TYPE_EVDO_A:
		case NETWORK_TYPE_HSDPA:
		case NETWORK_TYPE_HSUPA:
		case NETWORK_TYPE_HSPA:
		case NETWORK_TYPE_EVDO_B:
		case NETWORK_TYPE_EHRPD:
		case NETWORK_TYPE_HSPAP:
		case NETWORK_TYPE_TD_SCDMA:
		return NETWORK_CLASS_3_G;
		case NETWORK_TYPE_LTE:
		case NETWORK_TYPE_IWLAN:
		case NETWORK_TYPE_LTE_CA:
		return NETWORK_CLASS_4_G;
		case NETWORK_TYPE_NR:
		return NETWORK_CLASS_5_G;
		default:
		return NETWORK_CLASS_UNKNOWN;
		}
		}

		/**
		* Returns a string representation of the radio technology (network type)
		* currently in use on the device.