Remove carrier prefix before displaying emergency numbers (2000f02d) · Commits · e / os / android_frameworks_base

packages/SettingsLib/EmergencyNumber/src/com/android/settingslib/emergencynumber/EmergencyNumberUtils.java

+48 −6

Original line number	Diff line number	Diff line
		@@ -24,6 +24,8 @@ import android.content.Context;
		import android.content.pm.PackageManager;
		import android.net.Uri;
		import android.os.Bundle;
		import android.os.PersistableBundle;
		import android.telephony.CarrierConfigManager;
		import android.telephony.SubscriptionManager;
		import android.telephony.TelephonyManager;
		import android.telephony.emergency.EmergencyNumber;
		@@ -36,6 +38,7 @@ import androidx.annotation.VisibleForTesting;
		import java.util.ArrayList;
		import java.util.List;
		import java.util.Map;
		import java.util.stream.Collectors;

		/**
		* Util class to help manage emergency numbers
		@@ -66,14 +69,16 @@ public class EmergencyNumberUtils {

		private final Context mContext;
		private final TelephonyManager mTelephonyManager;

		private final CarrierConfigManager mCarrierConfigManager;

		public EmergencyNumberUtils(Context context) {
		mContext = context;
		if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_TELEPHONY)) {
		mTelephonyManager = context.getSystemService(TelephonyManager.class);
		mCarrierConfigManager = context.getSystemService(CarrierConfigManager.class);
		} else {
		mTelephonyManager = null;
		mCarrierConfigManager = null;
		}
		}

		@@ -84,12 +89,12 @@ public class EmergencyNumberUtils {
		if (mTelephonyManager == null) {
		return FALL_BACK_NUMBER;
		}
		final List<EmergencyNumber> promotedPoliceNumber = getPromotedEmergencyNumbers(
		final List<String> promotedPoliceNumber = getPromotedEmergencyNumbers(
		EMERGENCY_SERVICE_CATEGORY_POLICE);
		if (promotedPoliceNumber == null \|\| promotedPoliceNumber.isEmpty()) {
		return FALL_BACK_NUMBER;
		}
		return promotedPoliceNumber.get(0).getNumber();
		return promotedPoliceNumber.get(0);
		}

		/**
		@@ -164,18 +169,19 @@ public class EmergencyNumberUtils {
		return bundle == null ? null : bundle.getString(EMERGENCY_GESTURE_CALL_NUMBER);
		}

		private List<EmergencyNumber> getPromotedEmergencyNumbers(int categories) {
		private List<String> getPromotedEmergencyNumbers(int categories) {
		Map<Integer, List<EmergencyNumber>> allLists = mTelephonyManager.getEmergencyNumberList(
		categories);
		if (allLists == null \|\| allLists.isEmpty()) {
		Log.w(TAG, "Unable to retrieve emergency number lists!");
		return new ArrayList<>();
		}
		Map<Integer, List<EmergencyNumber>> promotedEmergencyNumberLists = new ArrayMap<>();
		Map<Integer, List<String>> promotedEmergencyNumberLists = new ArrayMap<>();
		for (Map.Entry<Integer, List<EmergencyNumber>> entry : allLists.entrySet()) {
		if (entry.getKey() == null \|\| entry.getValue() == null) {
		continue;
		}
		int subId = entry.getKey();
		List<EmergencyNumber> emergencyNumberList = entry.getValue();
		Log.d(TAG, "Emergency numbers for subscription id " + entry.getKey());

		@@ -202,7 +208,8 @@ public class EmergencyNumberUtils {
		promotedList.addAll(tempList);

		if (!promotedList.isEmpty()) {
		promotedEmergencyNumberLists.put(entry.getKey(), promotedList);
		List<String> sanitizedNumbers = sanitizeEmergencyNumbers(promotedList, subId);
		promotedEmergencyNumberLists.put(subId, sanitizedNumbers);
		}
		}

		@@ -211,4 +218,39 @@ public class EmergencyNumberUtils {
		}
		return promotedEmergencyNumberLists.get(SubscriptionManager.getDefaultSubscriptionId());
		}

		private List<String> sanitizeEmergencyNumbers(
		List<EmergencyNumber> input, int subscriptionId) {
		// Make a copy of data so we can mutate.
		List<EmergencyNumber> data = new ArrayList<>(input);
		String[] carrierPrefixes =
		getCarrierEmergencyNumberPrefixes(mCarrierConfigManager, subscriptionId);
		return data.stream()
		.map(d -> removePrefix(d, carrierPrefixes))
		.collect(Collectors.toCollection(ArrayList::new));
		}

		private String removePrefix(EmergencyNumber emergencyNumber, String[] prefixes) {
		String number = emergencyNumber.getNumber();
		if (prefixes == null \|\| prefixes.length == 0) {
		return number;
		}
		for (String prefix : prefixes) {
		int prefixStartIndex = number.indexOf(prefix);
		if (prefixStartIndex != 0) {
		continue;
		}
		Log.d(TAG, "Removing prefix " + prefix + " from " + number);
		return number.substring(prefix.length());
		}
		return number;
		}

		private static String[] getCarrierEmergencyNumberPrefixes(
		CarrierConfigManager carrierConfigManager, int subId) {
		PersistableBundle b = carrierConfigManager.getConfigForSubId(subId);
		return b == null
		? null
		: b.getStringArray(CarrierConfigManager.KEY_EMERGENCY_NUMBER_PREFIX_STRING_ARRAY);
		}
		}

packages/SettingsLib/tests/robotests/src/com/android/settingslib/emergencynumber/EmergencyNumberUtilsTest.java

+29 −6

Original line number	Diff line number	Diff line
		@@ -34,6 +34,8 @@ import android.content.Context;
		import android.content.pm.PackageManager;
		import android.net.Uri;
		import android.os.Bundle;
		import android.os.PersistableBundle;
		import android.telephony.CarrierConfigManager;
		import android.telephony.SubscriptionManager;
		import android.telephony.TelephonyManager;
		import android.telephony.emergency.EmergencyNumber;
		@@ -62,7 +64,10 @@ public class EmergencyNumberUtilsTest {
		@Mock
		private TelephonyManager mTelephonyManager;
		@Mock
		ContentResolver mContentResolver;
		private ContentResolver mContentResolver;
		@Mock
		private CarrierConfigManager mCarrierConfigManager;

		private EmergencyNumberUtils mUtils;

		@Before
		@@ -70,6 +75,8 @@ public class EmergencyNumberUtilsTest {
		MockitoAnnotations.initMocks(this);
		when(mContext.getPackageManager()).thenReturn(mPackageManager);
		when(mContext.getContentResolver()).thenReturn(mContentResolver);
		when(mContext.getSystemService(CarrierConfigManager.class)).thenReturn(
		mCarrierConfigManager);
		}

		@Test
		@@ -85,7 +92,7 @@ public class EmergencyNumberUtilsTest {
		public void getDefaultPoliceNumber_hasTelephony_shouldLoadFromTelephony() {
		when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_TELEPHONY)).thenReturn(true);
		when(mContext.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager);
		addEmergencyNumberToTelephony();
		addEmergencyNumberToTelephony(TELEPHONY_EMERGENCY_NUMBER);
		mUtils = new EmergencyNumberUtils(mContext);


		@@ -96,7 +103,7 @@ public class EmergencyNumberUtilsTest {
		public void getPoliceNumber_hasUserOverride_shouldLoadFromUserOverride() {
		when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_TELEPHONY)).thenReturn(true);
		when(mContext.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager);
		addEmergencyNumberToTelephony();
		addEmergencyNumberToTelephony(TELEPHONY_EMERGENCY_NUMBER);

		Bundle bundle = new Bundle();
		bundle.putString(EMERGENCY_GESTURE_CALL_NUMBER, USER_OVERRIDE_EMERGENCY_NUMBER);
		@@ -111,14 +118,30 @@ public class EmergencyNumberUtilsTest {
		public void getPoliceNumber_noUserOverride_shouldLoadFromTelephony() {
		when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_TELEPHONY)).thenReturn(true);
		when(mContext.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager);
		addEmergencyNumberToTelephony();
		addEmergencyNumberToTelephony(TELEPHONY_EMERGENCY_NUMBER);

		mUtils = new EmergencyNumberUtils(mContext);

		assertThat(mUtils.getPoliceNumber()).isEqualTo(TELEPHONY_EMERGENCY_NUMBER);
		}

		@Test
		public void getPoliceNumber_hasCarrierPrefix_shouldRemovePrefix() {
		when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_TELEPHONY)).thenReturn(true);
		when(mContext.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager);
		final String prefix = "*272";
		final PersistableBundle bundle = new PersistableBundle();
		bundle.putStringArray(CarrierConfigManager.KEY_EMERGENCY_NUMBER_PREFIX_STRING_ARRAY,
		new String[]{prefix});
		when(mCarrierConfigManager.getConfigForSubId(anyInt())).thenReturn(bundle);
		addEmergencyNumberToTelephony(prefix + TELEPHONY_EMERGENCY_NUMBER);

		mUtils = new EmergencyNumberUtils(mContext);

		assertThat(mUtils.getPoliceNumber()).isEqualTo(TELEPHONY_EMERGENCY_NUMBER);
		}

		private void addEmergencyNumberToTelephony() {
		private void addEmergencyNumberToTelephony(String number) {
		final int subId = SubscriptionManager.getDefaultSubscriptionId();
		EmergencyNumber emergencyNumber = mock(EmergencyNumber.class);
		when(emergencyNumber.isInEmergencyServiceCategories(EMERGENCY_SERVICE_CATEGORY_POLICE))
		@@ -128,6 +151,6 @@ public class EmergencyNumberUtilsTest {
		numbersForSubId.add(emergencyNumber);
		numbers.put(subId, numbersForSubId);
		when(mTelephonyManager.getEmergencyNumberList(anyInt())).thenReturn(numbers);
		when(emergencyNumber.getNumber()).thenReturn(TELEPHONY_EMERGENCY_NUMBER);
		when(emergencyNumber.getNumber()).thenReturn(number);
		}
		}