diff options
3 files changed, 151 insertions, 15 deletions
diff --git a/core/api/system-current.txt b/core/api/system-current.txt index ef3a54387d25..7e729e55071b 100644 --- a/core/api/system-current.txt +++ b/core/api/system-current.txt @@ -10069,6 +10069,7 @@ 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); @@ -10076,6 +10077,7 @@ 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); diff --git a/packages/SettingsProvider/src/com/android/providers/settings/SettingsBackupAgent.java b/packages/SettingsProvider/src/com/android/providers/settings/SettingsBackupAgent.java index 44864a61ade6..a6e2af9b1674 100644 --- a/packages/SettingsProvider/src/com/android/providers/settings/SettingsBackupAgent.java +++ b/packages/SettingsProvider/src/com/android/providers/settings/SettingsBackupAgent.java @@ -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; @@ -106,19 +108,20 @@ public class SettingsBackupAgent extends BackupAgentHelper { // Slots in the checksum array. Never insert new items in the middle // of this array; new slots must be appended. - private static final int STATE_SYSTEM = 0; - private static final int STATE_SECURE = 1; - private static final int STATE_LOCALE = 2; - private static final int STATE_WIFI_SUPPLICANT = 3; - private static final int STATE_WIFI_CONFIG = 4; - private static final int STATE_GLOBAL = 5; - private static final int STATE_LOCK_SETTINGS = 6; - private static final int STATE_SOFTAP_CONFIG = 7; - 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_SIZE = 11; // The current number of state items + private static final int STATE_SYSTEM = 0; + private static final int STATE_SECURE = 1; + private static final int STATE_LOCALE = 2; + private static final int STATE_WIFI_SUPPLICANT = 3; + private static final int STATE_WIFI_CONFIG = 4; + private static final int STATE_GLOBAL = 5; + private static final int STATE_LOCK_SETTINGS = 6; + private static final int STATE_SOFTAP_CONFIG = 7; + 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 = 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 { diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java index 2908e94aad81..497801f9c3a1 100644 --- a/telephony/java/android/telephony/SubscriptionManager.java +++ b/telephony/java/android/telephony/SubscriptionManager.java @@ -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"); + /** * TelephonyProvider unique key column name is the subscription id. * <P>Type: TEXT (String)</P> @@ -3446,4 +3485,71 @@ 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); + } } |