Merge "Drop support for full backup of com.android.providers.settings"

    @Override

    public void onFullBackup(FullBackupDataOutput data)  throws IOException {

        byte[] systemSettingsData = getSystemSettings();

        byte[] secureSettingsData = getSecureSettings();

        byte[] globalSettingsData = getGlobalSettings();

        byte[] lockSettingsData   = getLockSettings(UserHandle.myUserId());

        byte[] locale = mSettingsHelper.getLocaleData();

        byte[] softApConfigData = getSoftAPConfiguration();

        byte[] netPoliciesData = getNetworkPolicies();

        byte[] wifiFullConfigData = getNewWifiConfigData();

        // Write the data to the staging file, then emit that as our tarfile

        // representation of the backed-up settings.

        String root = getFilesDir().getAbsolutePath();

        File stage = new File(root, STAGE_FILE);

        try {

            FileOutputStream filestream = new FileOutputStream(stage);

            BufferedOutputStream bufstream = new BufferedOutputStream(filestream);

            DataOutputStream out = new DataOutputStream(bufstream);

            if (DEBUG_BACKUP) Log.d(TAG, "Writing flattened data version " + FULL_BACKUP_VERSION);

            out.writeInt(FULL_BACKUP_VERSION);

            if (DEBUG_BACKUP) Log.d(TAG, systemSettingsData.length + " bytes of settings data");

            out.writeInt(systemSettingsData.length);

            out.write(systemSettingsData);

            if (DEBUG_BACKUP) {

                Log.d(TAG, secureSettingsData.length + " bytes of secure settings data");

            }

            out.writeInt(secureSettingsData.length);

            out.write(secureSettingsData);

            if (DEBUG_BACKUP) {

                Log.d(TAG, globalSettingsData.length + " bytes of global settings data");

            }

            out.writeInt(globalSettingsData.length);

            out.write(globalSettingsData);

            if (DEBUG_BACKUP) Log.d(TAG, locale.length + " bytes of locale data");

            out.writeInt(locale.length);

            out.write(locale);

            if (DEBUG_BACKUP) Log.d(TAG, lockSettingsData.length + " bytes of lock settings data");

            out.writeInt(lockSettingsData.length);

            out.write(lockSettingsData);

            if (DEBUG_BACKUP) Log.d(TAG, softApConfigData.length + " bytes of softap config data");

            out.writeInt(softApConfigData.length);

            out.write(softApConfigData);

            if (DEBUG_BACKUP) Log.d(TAG, netPoliciesData.length + " bytes of net policies data");

            out.writeInt(netPoliciesData.length);

            out.write(netPoliciesData);

            if (DEBUG_BACKUP) {

                Log.d(TAG, wifiFullConfigData.length + " bytes of wifi config data");

            }

            out.writeInt(wifiFullConfigData.length);

            out.write(wifiFullConfigData);

            out.flush();    // also flushes downstream

            // now we're set to emit the tar stream

            fullBackupFile(stage, data);

        } finally {

            stage.delete();

        }

        // Full backup of SettingsBackupAgent support was removed in Android P. If you want to adb

        // backup com.android.providers.settings package use \"-keyvalue\" flag.

        // Full restore of SettingsBackupAgent is still available for backwards compatibility.

    }

    @Override