Merge "Remove Kernel Command Line Support for CDMA Config" am: 65530b7549 am:... (44659771) · Commits · e / os / android_frameworks_base

telephony/java/android/telephony/TelephonyManager.java

+2 −84

Original line number	Diff line number	Diff line
		@@ -113,8 +113,6 @@ import com.android.internal.telephony.RILConstants;
		import com.android.internal.telephony.SmsApplication;
		import com.android.telephony.Rlog;

		import java.io.FileInputStream;
		import java.io.IOException;
		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		import java.util.ArrayList;
		@@ -127,8 +125,6 @@ import java.util.Objects;
		import java.util.UUID;
		import java.util.concurrent.Executor;
		import java.util.function.Consumer;
		import java.util.regex.Matcher;
		import java.util.regex.Pattern;

		/**
		* Provides access to information about the telephony services on
		@@ -2540,7 +2536,8 @@ public class TelephonyManager {
		return PhoneConstants.PHONE_TYPE_CDMA;

		case RILConstants.NETWORK_MODE_LTE_ONLY:
		if (getLteOnCdmaModeStatic() == PhoneConstants.LTE_ON_CDMA_TRUE) {
		if (TelephonyProperties.lte_on_cdma_device().orElse(
		PhoneConstants.LTE_ON_CDMA_FALSE) == PhoneConstants.LTE_ON_CDMA_TRUE) {
		return PhoneConstants.PHONE_TYPE_CDMA;
		} else {
		return PhoneConstants.PHONE_TYPE_GSM;
		@@ -2550,35 +2547,6 @@ public class TelephonyManager {
		}
		}

		/**
		* The contents of the /proc/cmdline file
		*/
		@UnsupportedAppUsage
		private static String getProcCmdLine()
		{
		String cmdline = "";
		FileInputStream is = null;
		try {
		is = new FileInputStream("/proc/cmdline");
		byte [] buffer = new byte[2048];
		int count = is.read(buffer);
		if (count > 0) {
		cmdline = new String(buffer, 0, count);
		}
		} catch (IOException e) {
		Rlog.d(TAG, "No /proc/cmdline exception=" + e);
		} finally {
		if (is != null) {
		try {
		is.close();
		} catch (IOException e) {
		}
		}
		}
		Rlog.d(TAG, "/proc/cmdline=" + cmdline);
		return cmdline;
		}

		/**
		* @return The max value for the timeout passed in {@link #requestNumberVerification}.
		* @hide
		@@ -2588,56 +2556,6 @@ public class TelephonyManager {
		return MAX_NUMBER_VERIFICATION_TIMEOUT_MILLIS;
		}

		/** Kernel command line */
		private static final String sKernelCmdLine = getProcCmdLine();

		/** Pattern for selecting the product type from the kernel command line */
		private static final Pattern sProductTypePattern =
		Pattern.compile("\\sproduct_type\\s=\\s(\\w+)");

		/** The ProductType used for LTE on CDMA devices */
		private static final String sLteOnCdmaProductType =
		TelephonyProperties.lte_on_cdma_product_type().orElse("");

		/**
		* Return if the current radio is LTE on CDMA. This
		* is a tri-state return value as for a period of time
		* the mode may be unknown.
		*
		* @return {@link PhoneConstants#LTE_ON_CDMA_UNKNOWN}, {@link PhoneConstants#LTE_ON_CDMA_FALSE}
		* or {@link PhoneConstants#LTE_ON_CDMA_TRUE}
		*
		* @hide
		*/
		@UnsupportedAppUsage
		public static int getLteOnCdmaModeStatic() {
		int retVal;
		int curVal;
		String productType = "";

		curVal = TelephonyProperties.lte_on_cdma_device().orElse(
		PhoneConstants.LTE_ON_CDMA_UNKNOWN);
		retVal = curVal;
		if (retVal == PhoneConstants.LTE_ON_CDMA_UNKNOWN) {
		Matcher matcher = sProductTypePattern.matcher(sKernelCmdLine);
		if (matcher.find()) {
		productType = matcher.group(1);
		if (sLteOnCdmaProductType.equals(productType)) {
		retVal = PhoneConstants.LTE_ON_CDMA_TRUE;
		} else {
		retVal = PhoneConstants.LTE_ON_CDMA_FALSE;
		}
		} else {
		retVal = PhoneConstants.LTE_ON_CDMA_FALSE;
		}
		}

		Rlog.d(TAG, "getLteOnCdmaMode=" + retVal + " curVal=" + curVal +
		" product_type='" + productType +
		"' lteOnCdmaProductType='" + sLteOnCdmaProductType + "'");
		return retVal;
		}

		//
		//
		// Current Network