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Create a convenience method to get the CarrierService package.

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Currently, this just redirects to the existing Intent resolution APIs to
find the first carrier privileged package that declares a CarrierService
implementation for the specified SIM.

Follow-up work will make this a proper API that reaches all the way down
to CarrierPrivilegesTracker, which is slated to become the source of
truth for all carrier privilege related checks. Doing so will also
provide a free caching layer for this API, which should result in
appreciable performance increases.

Bug: 205736323
Test: make
CTS-Coverage-Bug: 205995169
Change-Id: I949de81f2c5b284b14c56b5d8d3ed0b60cb97847
This commit is contained in:
Hunter Knepshield
2021-11-24 15:23:05 -08:00
parent f393f17f55
commit 29745b36f1
2 changed files with 54 additions and 0 deletions
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2
core/api/system-current.txt
View File

@@ -12016,6 +12016,8 @@ package android.telephony {
method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public int getCarrierPrivilegeStatus(int);
method @NonNull @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public java.util.List<java.lang.String> getCarrierPrivilegedPackagesForAllActiveSubscriptions();
method @Nullable @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public android.telephony.CarrierRestrictionRules getCarrierRestrictionRules();
method @Nullable @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public String getCarrierServicePackageName();
method @Nullable @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public String getCarrierServicePackageNameForLogicalSlot(int);
method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public int getCdmaEnhancedRoamingIndicatorDisplayNumber();
method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public String getCdmaMdn();
method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public String getCdmaMdn(int);

52
telephony/java/android/telephony/TelephonyManager.java
View File

@@ -70,6 +70,7 @@ import android.os.SystemProperties;
import android.os.WorkSource;
import android.provider.Settings.SettingNotFoundException;
import android.service.carrier.CarrierIdentifier;
import android.service.carrier.CarrierService;
import android.sysprop.TelephonyProperties;
import android.telecom.CallScreeningService;
import android.telecom.InCallService;
@@ -9190,6 +9191,57 @@ public class TelephonyManager {
return null;
}
/**
* Returns the package name that provides the {@link CarrierService} implementation for the
* current subscription, or {@code null} if no package with carrier privileges declares one.
*
* <p>If this object has been created with {@link #createForSubscriptionId}, then the provided
* subscription ID is used. Otherwise, the default subscription ID will be used.
*
* @return The system-selected package that provides the {@link CarrierService} implementation
* for the current subscription, or {@code null} if none is resolved
*
* @hide
*/
@SystemApi
@RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
public @Nullable String getCarrierServicePackageName() {
// TODO(b/205736323) plumb this through to CarrierPrivilegesTracker, which will cache the
// value instead of re-querying every time.
List<String> carrierServicePackages =
getCarrierPackageNamesForIntent(
new Intent(CarrierService.CARRIER_SERVICE_INTERFACE));
if (carrierServicePackages != null && !carrierServicePackages.isEmpty()) {
return carrierServicePackages.get(0);
}
return null;
}
/**
* Returns the package name that provides the {@link CarrierService} implementation for the
* specified {@code logicalSlotIndex}, or {@code null} if no package with carrier privileges
* declares one.
*
* @param logicalSlotIndex The slot index to fetch the {@link CarrierService} package for
* @return The system-selected package that provides the {@link CarrierService} implementation
* for the slot, or {@code null} if none is resolved
*
* @hide
*/
@SystemApi
@RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
public @Nullable String getCarrierServicePackageNameForLogicalSlot(int logicalSlotIndex) {
// TODO(b/205736323) plumb this through to CarrierPrivilegesTracker, which will cache the
// value instead of re-querying every time.
List<String> carrierServicePackages =
getCarrierPackageNamesForIntentAndPhone(
new Intent(CarrierService.CARRIER_SERVICE_INTERFACE), logicalSlotIndex);
if (carrierServicePackages != null && !carrierServicePackages.isEmpty()) {
return carrierServicePackages.get(0);
}
return null;
}
/** @hide */
@RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
public List<String> getPackagesWithCarrierPrivileges() {