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Commit 54317698 authored May 28, 2025 by rambowang Committed by Rambo Wang May 30, 2025

Relax TM.isModemEnabledForSlot with READ_BASIC_PHONE_STATE permission

This change relaxes the permission for API
TelephonyManager.isModemEnabledForSlot, allowing apps with
READ_BASIC_PHONE_STATE to check if modem is enabled for a SIM slot.

Whether modem is enabled for a SIM slot is basic information that
doesn't always need READ_PHONE_STATE or carrier privileges. The relaxed
permission makes the API more useful without leaking sensitive info.

Bug: 401006757
Test: atest CtsTelephony2TestCases CtsTelephonyTestCases
Flag: com.android.internal.telephony.flags.macro_based_opportunistic_networks
Change-Id: Ic163889fcf149e926a85ffba88b7d83069ac532d

parent 8d32ac18

core/api/current.txt

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -47597,7 +47597,7 @@ package android.telephony {
	method public boolean isEmergencyNumber(@NonNull String);		method public boolean isEmergencyNumber(@NonNull String);
	method public boolean isHearingAidCompatibilitySupported();		method public boolean isHearingAidCompatibilitySupported();
	method @RequiresPermission(anyOf={android.Manifest.permission.READ_PRECISE_PHONE_STATE, "android.permission.READ_PRIVILEGED_PHONE_STATE"}) public boolean isManualNetworkSelectionAllowed();		method @RequiresPermission(anyOf={android.Manifest.permission.READ_PRECISE_PHONE_STATE, "android.permission.READ_PRIVILEGED_PHONE_STATE"}) public boolean isManualNetworkSelectionAllowed();
	method @RequiresPermission(anyOf={android.Manifest.permission.READ_PHONE_STATE, "android.permission.READ_PRIVILEGED_PHONE_STATE"}) public boolean isModemEnabledForSlot(int);		method @FlaggedApi("com.android.internal.telephony.flags.macro_based_opportunistic_networks") @RequiresPermission(anyOf={android.Manifest.permission.READ_PHONE_STATE, android.Manifest.permission.READ_BASIC_PHONE_STATE, "android.permission.READ_PRIVILEGED_PHONE_STATE"}) public boolean isModemEnabledForSlot(int);
	method @FlaggedApi("com.android.internal.telephony.flags.macro_based_opportunistic_networks") @RequiresPermission(anyOf={android.Manifest.permission.READ_PHONE_STATE, android.Manifest.permission.READ_BASIC_PHONE_STATE}) public int isMultiSimSupported();		method @FlaggedApi("com.android.internal.telephony.flags.macro_based_opportunistic_networks") @RequiresPermission(anyOf={android.Manifest.permission.READ_PHONE_STATE, android.Manifest.permission.READ_BASIC_PHONE_STATE}) public int isMultiSimSupported();
	method public boolean isNetworkRoaming();		method public boolean isNetworkRoaming();
	method @RequiresPermission(android.Manifest.permission.READ_BASIC_PHONE_STATE) public boolean isPremiumCapabilityAvailableForPurchase(int);		method @RequiresPermission(android.Manifest.permission.READ_BASIC_PHONE_STATE) public boolean isPremiumCapabilityAvailableForPurchase(int);

telephony/java/android/telephony/TelephonyManager.java

+3 −0

Original line number	Original line	Diff line number	Diff line
	@@ -16074,6 +16074,7 @@ public class TelephonyManager {
	* Indicates whether or not there is a modem stack enabled for the given SIM slot.		* Indicates whether or not there is a modem stack enabled for the given SIM slot.
	*		*
	* <p>Requires Permission:		* <p>Requires Permission:
			* {@link android.Manifest.permission#READ_BASIC_PHONE_STATE READ_BASIC_PHONE_STATE},
	* {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE},		* {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE},
	* READ_PRIVILEGED_PHONE_STATE or that the calling app has carrier privileges (see		* READ_PRIVILEGED_PHONE_STATE or that the calling app has carrier privileges (see
	* {@link #hasCarrierPrivileges()}).		* {@link #hasCarrierPrivileges()}).
	@@ -16083,8 +16084,10 @@ public class TelephonyManager {
	* @throws UnsupportedOperationException If the device does not have		* @throws UnsupportedOperationException If the device does not have
	* {@link PackageManager#FEATURE_TELEPHONY}.		* {@link PackageManager#FEATURE_TELEPHONY}.
	*/		*/
			@FlaggedApi(Flags.FLAG_MACRO_BASED_OPPORTUNISTIC_NETWORKS)
	@SuppressAutoDoc // Blocked by b/72967236 - no support for carrier privileges		@SuppressAutoDoc // Blocked by b/72967236 - no support for carrier privileges
	@RequiresPermission(anyOf = {android.Manifest.permission.READ_PHONE_STATE,		@RequiresPermission(anyOf = {android.Manifest.permission.READ_PHONE_STATE,
			android.Manifest.permission.READ_BASIC_PHONE_STATE,
	android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE})		android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE})
	@RequiresFeature(PackageManager.FEATURE_TELEPHONY)		@RequiresFeature(PackageManager.FEATURE_TELEPHONY)
	public boolean isModemEnabledForSlot(int slotIndex) {		public boolean isModemEnabledForSlot(int slotIndex) {