Merge "Call TelephonyProvider apis for backup/restore per-sim settings." into sc-dev (258abf98) · Commits · e / os / android_frameworks_base

core/api/system-current.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -11704,6 +11704,7 @@ package android.telephony {
		method public boolean canManageSubscription(@NonNull android.telephony.SubscriptionInfo, @NonNull String);
		method @NonNull @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public int[] getActiveSubscriptionIdList();
		method @Nullable @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public android.telephony.SubscriptionInfo getActiveSubscriptionInfoForIcc(@NonNull String);
		method @NonNull @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public byte[] getAllSimSpecificSettingsForBackup();
		method public java.util.List<android.telephony.SubscriptionInfo> getAvailableSubscriptionInfoList();
		method @NonNull @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public int[] getCompleteActiveSubscriptionIdList();
		method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public int getEnabledSubscriptionId(int);
		@@ -11711,6 +11712,7 @@ package android.telephony {
		method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public boolean isSubscriptionEnabled(int);
		method public void requestEmbeddedSubscriptionInfoListRefresh();
		method public void requestEmbeddedSubscriptionInfoListRefresh(int);
		method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void restoreAllSimSpecificSettingsFromBackup(@NonNull byte[]);
		method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setDefaultDataSubId(int);
		method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setDefaultSmsSubId(int);
		method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setDefaultVoiceSubscriptionId(int);

packages/SettingsProvider/src/com/android/providers/settings/SettingsBackupAgent.java

+43 −15

Original line number	Diff line number	Diff line
		@@ -42,6 +42,7 @@ import android.provider.settings.validators.GlobalSettingsValidators;
		import android.provider.settings.validators.SecureSettingsValidators;
		import android.provider.settings.validators.SystemSettingsValidators;
		import android.provider.settings.validators.Validator;
		import android.telephony.SubscriptionManager;
		import android.util.ArrayMap;
		import android.util.ArraySet;
		import android.util.BackupUtils;
		@@ -95,10 +96,11 @@ public class SettingsBackupAgent extends BackupAgentHelper {
		private static final String KEY_NETWORK_POLICIES = "network_policies";
		private static final String KEY_WIFI_NEW_CONFIG = "wifi_new_config";
		private static final String KEY_DEVICE_SPECIFIC_CONFIG = "device_specific_config";
		private static final String KEY_SIM_SPECIFIC_SETTINGS = "sim_specific_settings";

		// Versioning of the state file. Increment this version
		// number any time the set of state items is altered.
		private static final int STATE_VERSION = 8;
		private static final int STATE_VERSION = 9;

		// Versioning of the Network Policies backup payload.
		private static final int NETWORK_POLICIES_BACKUP_VERSION = 1;
		@@ -117,8 +119,9 @@ public class SettingsBackupAgent extends BackupAgentHelper {
		private static final int STATE_NETWORK_POLICIES = 8;
		private static final int STATE_WIFI_NEW_CONFIG = 9;
		private static final int STATE_DEVICE_CONFIG = 10;
		private static final int STATE_SIM_SPECIFIC_SETTINGS = 11;

		private static final int STATE_SIZE = 11; // The current number of state items
		private static final int STATE_SIZE = 12; // The current number of state items

		// Number of entries in the checksum array at various version numbers
		private static final int STATE_SIZES[] = {
		@@ -130,7 +133,8 @@ public class SettingsBackupAgent extends BackupAgentHelper {
		8, // version 5 added STATE_SOFTAP_CONFIG
		9, // version 6 added STATE_NETWORK_POLICIES
		10, // version 7 added STATE_WIFI_NEW_CONFIG
		STATE_SIZE // version 8 added STATE_DEVICE_CONFIG
		11, // version 8 added STATE_DEVICE_CONFIG
		STATE_SIZE // version 9 added STATE_SIM_SPECIFIC_SETTINGS
		};

		private static final int FULL_BACKUP_ADDED_GLOBAL = 2; // added the "global" entry
		@@ -218,6 +222,7 @@ public class SettingsBackupAgent extends BackupAgentHelper {
		byte[] netPoliciesData = getNetworkPolicies();
		byte[] wifiFullConfigData = getNewWifiConfigData();
		byte[] deviceSpecificInformation = getDeviceSpecificConfiguration();
		byte[] simSpecificSettingsData = getSimSpecificSettingsData();

		long[] stateChecksums = readOldChecksums(oldState);

		@@ -246,6 +251,9 @@ public class SettingsBackupAgent extends BackupAgentHelper {
		stateChecksums[STATE_DEVICE_CONFIG] =
		writeIfChanged(stateChecksums[STATE_DEVICE_CONFIG], KEY_DEVICE_SPECIFIC_CONFIG,
		deviceSpecificInformation, data);
		stateChecksums[STATE_SIM_SPECIFIC_SETTINGS] =
		writeIfChanged(stateChecksums[STATE_SIM_SPECIFIC_SETTINGS],
		KEY_SIM_SPECIFIC_SETTINGS, simSpecificSettingsData, data);

		writeNewChecksums(stateChecksums, newState);
		}
		@@ -386,6 +394,12 @@ public class SettingsBackupAgent extends BackupAgentHelper {
		preservedSettings);
		break;

		case KEY_SIM_SPECIFIC_SETTINGS:
		byte[] restoredSimSpecificSettings = new byte[size];
		data.readEntityData(restoredSimSpecificSettings, 0, size);
		restoreSimSpecificSettings(restoredSimSpecificSettings);
		break;

		default :
		data.skipEntityData();

		@@ -1189,6 +1203,20 @@ public class SettingsBackupAgent extends BackupAgentHelper {
		return true;
		}

		private byte[] getSimSpecificSettingsData() {
		SubscriptionManager subManager = SubscriptionManager.from(getBaseContext());
		byte[] simSpecificData = subManager.getAllSimSpecificSettingsForBackup();
		Log.i(TAG, "sim specific data of length + " + simSpecificData.length
		+ " successfully retrieved");

		return simSpecificData;
		}

		private void restoreSimSpecificSettings(byte[] data) {
		SubscriptionManager subManager = SubscriptionManager.from(getBaseContext());
		subManager.restoreAllSimSpecificSettingsFromBackup(data);
		}

		private void updateWindowManagerIfNeeded(Integer previousDensity) {
		int newDensity;
		try {

telephony/java/android/telephony/SubscriptionManager.java

+106 −0

Original line number	Diff line number	Diff line
		@@ -47,6 +47,7 @@ import android.net.NetworkPolicyManager;
		import android.net.Uri;
		import android.os.Binder;
		import android.os.Build;
		import android.os.Bundle;
		import android.os.Handler;
		import android.os.Looper;
		import android.os.ParcelUuid;
		@@ -150,6 +151,22 @@ public class SubscriptionManager {
		public static final String CACHE_KEY_SLOT_INDEX_PROPERTY =
		"cache_key.telephony.get_slot_index";

		/** @hide */
		public static final String GET_SIM_SPECIFIC_SETTINGS_METHOD_NAME = "getSimSpecificSettings";

		/** @hide */
		public static final String RESTORE_SIM_SPECIFIC_SETTINGS_METHOD_NAME =
		"restoreSimSpecificSettings";

		/**
		* Key to the backup & restore data byte array in the Bundle that is returned by {@link
		* #getAllSimSpecificSettingsForBackup()} or to be pass in to {@link
		* #restoreAllSimSpecificSettings()}.
		*
		* @hide
		*/
		public static final String KEY_SIM_SPECIFIC_SETTINGS_DATA = "KEY_SIM_SPECIFIC_SETTINGS_DATA";

		private static final int MAX_CACHE_SIZE = 4;

		private static class VoidPropertyInvalidatedCache<T>
		@@ -372,6 +389,28 @@ public class SubscriptionManager {
		public static final Uri WFC_ROAMING_ENABLED_CONTENT_URI = Uri.withAppendedPath(
		CONTENT_URI, "wfc_roaming_enabled");


		/**
		* A content {@link uri} used to call the appropriate backup or restore method for sim-specific
		* settings
		* <p>
		* See {@link #GET_SIM_SPECIFIC_SETTINGS_METHOD_NAME} and {@link
		* #RESTORE_SIM_SPECIFIC_SETTINGS_METHOD_NAME} for information on what method to call.
		* @hide
		*/
		@NonNull
		public static final Uri SIM_INFO_BACKUP_AND_RESTORE_CONTENT_URI = Uri.withAppendedPath(
		CONTENT_URI, "backup_and_restore");

		/**
		* A content {@link uri} used to notify contentobservers listening to siminfo restore during
		* SuW.
		* @hide
		*/
		@NonNull
		public static final Uri SIM_INFO_SUW_RESTORE_CONTENT_URI = Uri.withAppendedPath(
		SIM_INFO_BACKUP_AND_RESTORE_CONTENT_URI, "suw_restore");

		/**
		* A content {@link Uri} used to receive updates on cross sim enabled user setting.
		* <p>
		@@ -3455,4 +3494,71 @@ public class SubscriptionManager {
		sSlotIndexCache.clear();
		sPhoneIdCache.clear();
		}

		/**
		* Called to retrieve SIM-specific settings data to be backed up.
		*
		* @return data in byte[] to be backed up.
		*
		* @hide
		*/
		@NonNull
		@SystemApi
		@RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
		public byte[] getAllSimSpecificSettingsForBackup() {
		Bundle bundle = mContext.getContentResolver().call(
		SIM_INFO_BACKUP_AND_RESTORE_CONTENT_URI,
		GET_SIM_SPECIFIC_SETTINGS_METHOD_NAME, null, null);
		return bundle.getByteArray(SubscriptionManager.KEY_SIM_SPECIFIC_SETTINGS_DATA);
		}

		/**
		* Called to attempt to restore the backed up sim-specific configs to device for specific sim.
		* This will try to restore the data that was stored internally when {@link
		* #restoreAllSimSpecificSettingsFromBackup(byte[] data)} was called during setup wizard.
		* End result is SimInfoDB is modified to match any backed up configs for the requested
		* inserted sim.
		*
		* <p>
		* The {@link Uri} {@link #SIM_INFO_BACKUP_AND_RESTORE_CONTENT_URI} is notified if any SimInfoDB
		* entry is updated as the result of this method call.
		*
		* @param iccId of the sim that a restore is requested for.
		*
		* @hide
		*/
		@RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE)
		public void restoreSimSpecificSettingsForIccIdFromBackup(@NonNull String iccId) {
		mContext.getContentResolver().call(
		SIM_INFO_BACKUP_AND_RESTORE_CONTENT_URI,
		RESTORE_SIM_SPECIFIC_SETTINGS_METHOD_NAME,
		iccId, null);
		}

		/**
		* Called during setup wizard restore flow to attempt to restore the backed up sim-specific
		* configs to device for all existing SIMs in SimInfoDB. Internally, it will store the backup
		* data in an internal file. This file will persist on device for device's lifetime and will be
		* used later on when a SIM is inserted to restore that specific SIM's settings by calling
		* {@link #restoreSimSpecificSettingsForIccIdFromBackup(String iccId)}. End result is
		* SimInfoDB is modified to match any backed up configs for the appropriate inserted SIMs.
		*
		* <p>
		* The {@link Uri} {@link #SIM_INFO_BACKUP_AND_RESTORE_CONTENT_URI} is notified if any SimInfoDB
		* entry is updated as the result of this method call.
		*
		* @param data with the sim specific configs to be backed up.
		*
		* @hide
		*/
		@SystemApi
		@RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE)
		public void restoreAllSimSpecificSettingsFromBackup(@NonNull byte[] data) {
		Bundle bundle = new Bundle();
		bundle.putByteArray(KEY_SIM_SPECIFIC_SETTINGS_DATA, data);
		mContext.getContentResolver().call(
		SIM_INFO_BACKUP_AND_RESTORE_CONTENT_URI,
		RESTORE_SIM_SPECIFIC_SETTINGS_METHOD_NAME,
		null, bundle);
		}
		}