Loading core/java/android/provider/Settings.java +71 −0 Original line number Diff line number Diff line Loading @@ -1353,6 +1353,49 @@ public final class Settings { */ public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions"; /** * Settings to backup. This is here so that it's in the same place as the settings * keys and easy to update. * @hide */ public static final String[] SETTINGS_TO_BACKUP = { STAY_ON_WHILE_PLUGGED_IN, END_BUTTON_BEHAVIOR, WIFI_SLEEP_POLICY, WIFI_USE_STATIC_IP, WIFI_STATIC_IP, WIFI_STATIC_GATEWAY, WIFI_STATIC_NETMASK, WIFI_STATIC_DNS1, WIFI_STATIC_DNS2, BLUETOOTH_DISCOVERABILITY, BLUETOOTH_DISCOVERABILITY_TIMEOUT, DIM_SCREEN, SCREEN_OFF_TIMEOUT, SCREEN_BRIGHTNESS, VIBRATE_ON, NOTIFICATIONS_USE_RING_VOLUME, RINGTONE, NOTIFICATION_SOUND, TEXT_AUTO_REPLACE, TEXT_AUTO_CAPS, TEXT_AUTO_PUNCTUATE, TEXT_SHOW_PASSWORD, AUTO_TIME, TIME_12_24, DATE_FORMAT, ACCELEROMETER_ROTATION, DTMF_TONE_WHEN_DIALING, DTMF_TONE_TYPE_WHEN_DIALING, EMERGENCY_TONE, CALL_AUTO_RETRY, HEARING_AID, TTY_MODE, SOUND_EFFECTS_ENABLED, HAPTIC_FEEDBACK_ENABLED, SHOW_WEB_SUGGESTIONS }; // Settings moved to Settings.Secure /** Loading Loading @@ -2267,6 +2310,34 @@ public final class Settings { */ public static final String LAST_SETUP_SHOWN = "last_setup_shown"; /** * @hide */ public static final String[] SETTINGS_TO_BACKUP = { INSTALL_NON_MARKET_APPS, PARENTAL_CONTROL_ENABLED, PARENTAL_CONTROL_REDIRECT_URL, USB_MASS_STORAGE_ENABLED, ACCESSIBILITY_ENABLED, ENABLED_ACCESSIBILITY_SERVICES, TTS_USE_DEFAULTS, TTS_DEFAULT_RATE, TTS_DEFAULT_PITCH, TTS_DEFAULT_SYNTH, TTS_DEFAULT_LANG, TTS_DEFAULT_COUNTRY, WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY, WIFI_NUM_ALLOWED_CHANNELS, WIFI_NUM_OPEN_NETWORKS_KEPT, BACKGROUND_DATA, PREFERRED_NETWORK_MODE, PREFERRED_TTY_MODE, CDMA_CELL_BROADCAST_SMS, PREFERRED_CDMA_SUBSCRIPTION, ENHANCED_VOICE_PRIVACY_ENABLED }; /** * Helper method for determining if a location provider is enabled. * @param cr the content resolver to use Loading packages/SettingsProvider/AndroidManifest.xml +1 −0 Original line number Diff line number Diff line Loading @@ -4,6 +4,7 @@ <application android:allowClearUserData="false" android:label="@string/app_label" android:backupAgent="SettingsBackupAgent" android:icon="@drawable/ic_launcher_settings"> <provider android:name="SettingsProvider" android:authorities="settings" Loading packages/SettingsProvider/src/com/android/providers/settings/SettingsBackupAgent.java 0 → 100644 +320 −0 Original line number Diff line number Diff line /* * Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.providers.settings; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.util.Arrays; import java.util.HashMap; import android.backup.BackupDataInput; import android.backup.BackupDataOutput; import android.backup.BackupHelperAgent; import android.bluetooth.BluetoothDevice; import android.content.ContentResolver; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.media.AudioManager; import android.net.Uri; import android.net.wifi.WifiManager; import android.os.ParcelFileDescriptor; import android.os.RemoteException; import android.os.ServiceManager; import android.provider.Settings; import android.text.TextUtils; import android.util.Log; /** * Performs backup and restore of the System and Secure settings. * List of settings that are backed up are stored in the Settings.java file */ public class SettingsBackupAgent extends BackupHelperAgent { private static final String KEY_SYSTEM = "system"; private static final String KEY_SECURE = "secure"; private static final String KEY_SYNC = "sync_providers"; private static String[] sortedSystemKeys = null; private static String[] sortedSecureKeys = null; private static final byte[] EMPTY_DATA = new byte[0]; private static final String TAG = "SettingsBackupAgent"; private static final int COLUMN_ID = 0; private static final int COLUMN_NAME = 1; private static final int COLUMN_VALUE = 2; private static final String[] PROJECTION = { Settings.NameValueTable._ID, Settings.NameValueTable.NAME, Settings.NameValueTable.VALUE }; private static final String FILE_WIFI_SUPPLICANT = "/data/misc/wifi/wpa_supplicant.conf"; private static final String FILE_BT_ROOT = "/data/misc/hcid/"; private SettingsHelper mSettingsHelper; public void onCreate() { mSettingsHelper = new SettingsHelper(this); super.onCreate(); } @Override public void onBackup(ParcelFileDescriptor oldState, BackupDataOutput data, ParcelFileDescriptor newState) throws IOException { byte[] systemSettingsData = getSystemSettings(); byte[] secureSettingsData = getSecureSettings(); byte[] syncProviders = mSettingsHelper.getSyncProviders(); data.writeEntityHeader(KEY_SYSTEM, systemSettingsData.length); data.writeEntityData(systemSettingsData, systemSettingsData.length); data.writeEntityHeader(KEY_SECURE, secureSettingsData.length); data.writeEntityData(secureSettingsData, secureSettingsData.length); data.writeEntityHeader(KEY_SYNC, syncProviders.length); data.writeEntityData(syncProviders, syncProviders.length); //TODO: Permissions problem : backupFile(FILE_WIFI_SUPPLICANT, data); } @Override public void onRestore(BackupDataInput data, int appVersionCode, ParcelFileDescriptor newState) throws IOException { enableWifi(false); enableBluetooth(false); while (data.readNextHeader()) { final String key = data.getKey(); if (KEY_SYSTEM.equals(key)) { restoreSettings(data, Settings.System.CONTENT_URI); } else if (KEY_SECURE.equals(key)) { restoreSettings(data, Settings.Secure.CONTENT_URI); } else if (FILE_WIFI_SUPPLICANT.equals(key)) { restoreFile(FILE_WIFI_SUPPLICANT, data); } else if (KEY_SYNC.equals(key)) { mSettingsHelper.setSyncProviders(data); } else { data.skipEntityData(); } } } private byte[] getSystemSettings() { Cursor sortedCursor = getContentResolver().query(Settings.System.CONTENT_URI, PROJECTION, null, null, Settings.NameValueTable.NAME); // Copy and sort the array if (sortedSystemKeys == null) { sortedSystemKeys = copyAndSort(Settings.System.SETTINGS_TO_BACKUP); } byte[] result = extractRelevantValues(sortedCursor, sortedSystemKeys); sortedCursor.close(); return result; } private byte[] getSecureSettings() { Cursor sortedCursor = getContentResolver().query(Settings.Secure.CONTENT_URI, PROJECTION, null, null, Settings.NameValueTable.NAME); // Copy and sort the array if (sortedSecureKeys == null) { sortedSecureKeys = copyAndSort(Settings.Secure.SETTINGS_TO_BACKUP); } byte[] result = extractRelevantValues(sortedCursor, sortedSecureKeys); sortedCursor.close(); return result; } private void restoreSettings(BackupDataInput data, Uri contentUri) { ContentValues cv = new ContentValues(2); byte[] settings = new byte[data.getDataSize()]; try { data.readEntityData(settings, 0, settings.length); } catch (IOException ioe) { Log.e(TAG, "Couldn't read entity data"); return; } int pos = 0; while (pos < settings.length) { int length = readInt(settings, pos); pos += 4; String settingName = length > 0? new String(settings, pos, length) : null; pos += length; length = readInt(settings, pos); pos += 4; String settingValue = length > 0? new String(settings, pos, length) : null; pos += length; if (!TextUtils.isEmpty(settingName) && !TextUtils.isEmpty(settingValue)) { //Log.i(TAG, "Restore " + settingName + " = " + settingValue); cv.clear(); cv.put(Settings.NameValueTable.NAME, settingName); cv.put(Settings.NameValueTable.VALUE, settingValue); getContentResolver().insert(contentUri, cv); mSettingsHelper.restoreValue(settingName, settingValue); } } } private String[] copyAndSort(String[] keys) { String[] sortedKeys = new String[keys.length]; System.arraycopy(keys, 0, sortedKeys, 0, keys.length); Arrays.sort(sortedKeys); return sortedKeys; } /** * Given a cursor sorted by key name and a set of keys sorted by name, * extract the required keys and values and write them to a byte array. * @param sortedCursor * @param sortedKeys * @return */ byte[] extractRelevantValues(Cursor sortedCursor, String[] sortedKeys) { byte[][] values = new byte[sortedKeys.length * 2][]; // keys and values if (!sortedCursor.moveToFirst()) { Log.e(TAG, "Couldn't read from the cursor"); return new byte[0]; } int keyIndex = 0; int totalSize = 0; while (!sortedCursor.isAfterLast()) { String name = sortedCursor.getString(COLUMN_NAME); while (sortedKeys[keyIndex].compareTo(name.toString()) < 0) { keyIndex++; if (keyIndex == sortedKeys.length) break; } if (keyIndex < sortedKeys.length && name.equals(sortedKeys[keyIndex])) { String value = sortedCursor.getString(COLUMN_VALUE); byte[] nameBytes = name.toString().getBytes(); totalSize += 4 + nameBytes.length; values[keyIndex * 2] = nameBytes; byte[] valueBytes; if (TextUtils.isEmpty(value)) { valueBytes = null; totalSize += 4; } else { valueBytes = value.toString().getBytes(); totalSize += 4 + valueBytes.length; //Log.i(TAG, "Backing up " + name + " = " + value); } values[keyIndex * 2 + 1] = valueBytes; keyIndex++; } if (keyIndex == sortedKeys.length || !sortedCursor.moveToNext()) { break; } } byte[] result = new byte[totalSize]; int pos = 0; for (int i = 0; i < sortedKeys.length * 2; i++) { if (values[i] != null) { pos = writeInt(result, pos, values[i].length); pos = writeBytes(result, pos, values[i]); } } return result; } private void backupFile(String filename, BackupDataOutput data) { try { File file = new File(filename); if (file.exists()) { byte[] bytes = new byte[(int) file.length()]; FileInputStream fis = new FileInputStream(file); int offset = 0; int got = 0; do { got = fis.read(bytes, offset, bytes.length - offset); if (got > 0) offset += got; } while (offset < bytes.length && got > 0); data.writeEntityHeader(filename, bytes.length); data.writeEntityData(bytes, bytes.length); } else { data.writeEntityHeader(filename, 0); data.writeEntityData(EMPTY_DATA, 0); } } catch (IOException ioe) { Log.w(TAG, "Couldn't backup " + filename); } } private void restoreFile(String filename, BackupDataInput data) { byte[] bytes = new byte[data.getDataSize()]; if (bytes.length <= 0) return; try { data.readEntityData(bytes, 0, bytes.length); FileOutputStream fos = new FileOutputStream(filename); fos.write(bytes); } catch (IOException ioe) { Log.w(TAG, "Couldn't restore " + filename); } } /** * Write an int in BigEndian into the byte array. * @param out byte array * @param pos current pos in array * @param value integer to write * @return the index after adding the size of an int (4) */ private int writeInt(byte[] out, int pos, int value) { out[pos + 0] = (byte) ((value >> 24) & 0xFF); out[pos + 1] = (byte) ((value >> 16) & 0xFF); out[pos + 2] = (byte) ((value >> 8) & 0xFF); out[pos + 3] = (byte) ((value >> 0) & 0xFF); return pos + 4; } private int writeBytes(byte[] out, int pos, byte[] value) { System.arraycopy(value, 0, out, pos, value.length); return pos + value.length; } private int readInt(byte[] in, int pos) { int result = ((in[pos ] & 0xFF) << 24) | ((in[pos + 1] & 0xFF) << 16) | ((in[pos + 2] & 0xFF) << 8) | ((in[pos + 3] & 0xFF) << 0); return result; } private void enableWifi(boolean enable) { WifiManager wfm = (WifiManager) getSystemService(Context.WIFI_SERVICE); if (wfm != null) { wfm.setWifiEnabled(enable); } } private void enableBluetooth(boolean enable) { BluetoothDevice bt = (BluetoothDevice) getSystemService(Context.BLUETOOTH_SERVICE); if (bt != null) { if (!enable) { bt.disable(); } else { bt.enable(); } } } } packages/SettingsProvider/src/com/android/providers/settings/SettingsHelper.java 0 → 100644 +104 −0 Original line number Diff line number Diff line /* * Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.providers.settings; import android.backup.BackupDataInput; import android.content.ContentResolver; import android.content.Context; import android.media.AudioManager; import android.os.IHardwareService; import android.os.RemoteException; import android.os.ServiceManager; import android.provider.Settings; import android.content.IContentService; import android.util.Log; public class SettingsHelper { private static final String TAG = "SettingsHelper"; private Context mContext; private AudioManager mAudioManager; private IContentService mContentService; private static final String SYNC_AUTO = "auto_sync"; private static final String SYNC_MAIL = "gmail-ls_sync"; private static final String SYNC_CALENDAR = "calendar_sync"; private static final String SYNC_CONTACTS = "contacts_sync"; public SettingsHelper(Context context) { mContext = context; mAudioManager = (AudioManager) context .getSystemService(Context.AUDIO_SERVICE); mContentService = ContentResolver.getContentService(); } public void restoreValue(String name, String value) { if (Settings.System.SCREEN_BRIGHTNESS.equals(name)) { setBrightness(Integer.parseInt(value)); } else if (Settings.System.SOUND_EFFECTS_ENABLED.equals(name)) { if (Integer.parseInt(value) == 1) { mAudioManager.loadSoundEffects(); } else { mAudioManager.unloadSoundEffects(); } } } private void setBrightness(int brightness) { try { IHardwareService hardware = IHardwareService.Stub .asInterface(ServiceManager.getService("hardware")); if (hardware != null) { hardware.setBacklights(brightness); } } catch (RemoteException doe) { } } static final String[] PROVIDERS = { "gmail-ls", "calendar", "contacts" }; byte[] getSyncProviders() { byte[] sync = new byte[1 + PROVIDERS.length]; try { sync[0] = (byte) (mContentService.getListenForNetworkTickles() ? 1 : 0); for (int i = 0; i < PROVIDERS.length; i++) { sync[i + 1] = (byte) (mContentService.getSyncProviderAutomatically(PROVIDERS[i]) ? 1 : 0); } } catch (RemoteException re) { Log.w(TAG, "Unable to backup sync providers"); return sync; } return sync; } void setSyncProviders(BackupDataInput backup) { byte[] sync = new byte[backup.getDataSize()]; try { backup.readEntityData(sync, 0, sync.length); mContentService.setListenForNetworkTickles(sync[0] == 1); for (int i = 0; i < PROVIDERS.length; i++) { mContentService.setSyncProviderAutomatically(PROVIDERS[i], sync[i + 1] > 0); } } catch (RemoteException re) { Log.w(TAG, "Unable to restore sync providers"); } catch (java.io.IOException ioe) { Log.w(TAG, "Unable to read sync settings"); } } } packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java +15 −2 Original line number Diff line number Diff line Loading @@ -16,6 +16,9 @@ package com.android.providers.settings; import java.io.FileNotFoundException; import android.backup.IBackupManager; import android.content.ContentProvider; import android.content.ContentUris; import android.content.ContentValues; Loading @@ -27,6 +30,7 @@ import android.database.sqlite.SQLiteQueryBuilder; import android.media.RingtoneManager; import android.net.Uri; import android.os.ParcelFileDescriptor; import android.os.ServiceManager; import android.os.SystemProperties; import android.provider.DrmStore; import android.provider.MediaStore; Loading @@ -34,8 +38,6 @@ import android.provider.Settings; import android.text.TextUtils; import android.util.Log; import java.io.FileNotFoundException; public class SettingsProvider extends ContentProvider { private static final String TAG = "SettingsProvider"; private static final boolean LOCAL_LOGV = false; Loading Loading @@ -137,6 +139,17 @@ public class SettingsProvider extends ContentProvider { SystemProperties.set(property, Long.toString(version)); } // Inform the backup manager about a data change IBackupManager ibm = IBackupManager.Stub.asInterface( ServiceManager.getService(Context.BACKUP_SERVICE)); if (ibm != null) { try { ibm.dataChanged(getContext().getPackageName()); } catch (Exception e) { // Try again later } } // Now send the notification through the content framework. String notify = uri.getQueryParameter("notify"); Loading Loading
core/java/android/provider/Settings.java +71 −0 Original line number Diff line number Diff line Loading @@ -1353,6 +1353,49 @@ public final class Settings { */ public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions"; /** * Settings to backup. This is here so that it's in the same place as the settings * keys and easy to update. * @hide */ public static final String[] SETTINGS_TO_BACKUP = { STAY_ON_WHILE_PLUGGED_IN, END_BUTTON_BEHAVIOR, WIFI_SLEEP_POLICY, WIFI_USE_STATIC_IP, WIFI_STATIC_IP, WIFI_STATIC_GATEWAY, WIFI_STATIC_NETMASK, WIFI_STATIC_DNS1, WIFI_STATIC_DNS2, BLUETOOTH_DISCOVERABILITY, BLUETOOTH_DISCOVERABILITY_TIMEOUT, DIM_SCREEN, SCREEN_OFF_TIMEOUT, SCREEN_BRIGHTNESS, VIBRATE_ON, NOTIFICATIONS_USE_RING_VOLUME, RINGTONE, NOTIFICATION_SOUND, TEXT_AUTO_REPLACE, TEXT_AUTO_CAPS, TEXT_AUTO_PUNCTUATE, TEXT_SHOW_PASSWORD, AUTO_TIME, TIME_12_24, DATE_FORMAT, ACCELEROMETER_ROTATION, DTMF_TONE_WHEN_DIALING, DTMF_TONE_TYPE_WHEN_DIALING, EMERGENCY_TONE, CALL_AUTO_RETRY, HEARING_AID, TTY_MODE, SOUND_EFFECTS_ENABLED, HAPTIC_FEEDBACK_ENABLED, SHOW_WEB_SUGGESTIONS }; // Settings moved to Settings.Secure /** Loading Loading @@ -2267,6 +2310,34 @@ public final class Settings { */ public static final String LAST_SETUP_SHOWN = "last_setup_shown"; /** * @hide */ public static final String[] SETTINGS_TO_BACKUP = { INSTALL_NON_MARKET_APPS, PARENTAL_CONTROL_ENABLED, PARENTAL_CONTROL_REDIRECT_URL, USB_MASS_STORAGE_ENABLED, ACCESSIBILITY_ENABLED, ENABLED_ACCESSIBILITY_SERVICES, TTS_USE_DEFAULTS, TTS_DEFAULT_RATE, TTS_DEFAULT_PITCH, TTS_DEFAULT_SYNTH, TTS_DEFAULT_LANG, TTS_DEFAULT_COUNTRY, WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY, WIFI_NUM_ALLOWED_CHANNELS, WIFI_NUM_OPEN_NETWORKS_KEPT, BACKGROUND_DATA, PREFERRED_NETWORK_MODE, PREFERRED_TTY_MODE, CDMA_CELL_BROADCAST_SMS, PREFERRED_CDMA_SUBSCRIPTION, ENHANCED_VOICE_PRIVACY_ENABLED }; /** * Helper method for determining if a location provider is enabled. * @param cr the content resolver to use Loading
packages/SettingsProvider/AndroidManifest.xml +1 −0 Original line number Diff line number Diff line Loading @@ -4,6 +4,7 @@ <application android:allowClearUserData="false" android:label="@string/app_label" android:backupAgent="SettingsBackupAgent" android:icon="@drawable/ic_launcher_settings"> <provider android:name="SettingsProvider" android:authorities="settings" Loading
packages/SettingsProvider/src/com/android/providers/settings/SettingsBackupAgent.java 0 → 100644 +320 −0 Original line number Diff line number Diff line /* * Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.providers.settings; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.util.Arrays; import java.util.HashMap; import android.backup.BackupDataInput; import android.backup.BackupDataOutput; import android.backup.BackupHelperAgent; import android.bluetooth.BluetoothDevice; import android.content.ContentResolver; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.media.AudioManager; import android.net.Uri; import android.net.wifi.WifiManager; import android.os.ParcelFileDescriptor; import android.os.RemoteException; import android.os.ServiceManager; import android.provider.Settings; import android.text.TextUtils; import android.util.Log; /** * Performs backup and restore of the System and Secure settings. * List of settings that are backed up are stored in the Settings.java file */ public class SettingsBackupAgent extends BackupHelperAgent { private static final String KEY_SYSTEM = "system"; private static final String KEY_SECURE = "secure"; private static final String KEY_SYNC = "sync_providers"; private static String[] sortedSystemKeys = null; private static String[] sortedSecureKeys = null; private static final byte[] EMPTY_DATA = new byte[0]; private static final String TAG = "SettingsBackupAgent"; private static final int COLUMN_ID = 0; private static final int COLUMN_NAME = 1; private static final int COLUMN_VALUE = 2; private static final String[] PROJECTION = { Settings.NameValueTable._ID, Settings.NameValueTable.NAME, Settings.NameValueTable.VALUE }; private static final String FILE_WIFI_SUPPLICANT = "/data/misc/wifi/wpa_supplicant.conf"; private static final String FILE_BT_ROOT = "/data/misc/hcid/"; private SettingsHelper mSettingsHelper; public void onCreate() { mSettingsHelper = new SettingsHelper(this); super.onCreate(); } @Override public void onBackup(ParcelFileDescriptor oldState, BackupDataOutput data, ParcelFileDescriptor newState) throws IOException { byte[] systemSettingsData = getSystemSettings(); byte[] secureSettingsData = getSecureSettings(); byte[] syncProviders = mSettingsHelper.getSyncProviders(); data.writeEntityHeader(KEY_SYSTEM, systemSettingsData.length); data.writeEntityData(systemSettingsData, systemSettingsData.length); data.writeEntityHeader(KEY_SECURE, secureSettingsData.length); data.writeEntityData(secureSettingsData, secureSettingsData.length); data.writeEntityHeader(KEY_SYNC, syncProviders.length); data.writeEntityData(syncProviders, syncProviders.length); //TODO: Permissions problem : backupFile(FILE_WIFI_SUPPLICANT, data); } @Override public void onRestore(BackupDataInput data, int appVersionCode, ParcelFileDescriptor newState) throws IOException { enableWifi(false); enableBluetooth(false); while (data.readNextHeader()) { final String key = data.getKey(); if (KEY_SYSTEM.equals(key)) { restoreSettings(data, Settings.System.CONTENT_URI); } else if (KEY_SECURE.equals(key)) { restoreSettings(data, Settings.Secure.CONTENT_URI); } else if (FILE_WIFI_SUPPLICANT.equals(key)) { restoreFile(FILE_WIFI_SUPPLICANT, data); } else if (KEY_SYNC.equals(key)) { mSettingsHelper.setSyncProviders(data); } else { data.skipEntityData(); } } } private byte[] getSystemSettings() { Cursor sortedCursor = getContentResolver().query(Settings.System.CONTENT_URI, PROJECTION, null, null, Settings.NameValueTable.NAME); // Copy and sort the array if (sortedSystemKeys == null) { sortedSystemKeys = copyAndSort(Settings.System.SETTINGS_TO_BACKUP); } byte[] result = extractRelevantValues(sortedCursor, sortedSystemKeys); sortedCursor.close(); return result; } private byte[] getSecureSettings() { Cursor sortedCursor = getContentResolver().query(Settings.Secure.CONTENT_URI, PROJECTION, null, null, Settings.NameValueTable.NAME); // Copy and sort the array if (sortedSecureKeys == null) { sortedSecureKeys = copyAndSort(Settings.Secure.SETTINGS_TO_BACKUP); } byte[] result = extractRelevantValues(sortedCursor, sortedSecureKeys); sortedCursor.close(); return result; } private void restoreSettings(BackupDataInput data, Uri contentUri) { ContentValues cv = new ContentValues(2); byte[] settings = new byte[data.getDataSize()]; try { data.readEntityData(settings, 0, settings.length); } catch (IOException ioe) { Log.e(TAG, "Couldn't read entity data"); return; } int pos = 0; while (pos < settings.length) { int length = readInt(settings, pos); pos += 4; String settingName = length > 0? new String(settings, pos, length) : null; pos += length; length = readInt(settings, pos); pos += 4; String settingValue = length > 0? new String(settings, pos, length) : null; pos += length; if (!TextUtils.isEmpty(settingName) && !TextUtils.isEmpty(settingValue)) { //Log.i(TAG, "Restore " + settingName + " = " + settingValue); cv.clear(); cv.put(Settings.NameValueTable.NAME, settingName); cv.put(Settings.NameValueTable.VALUE, settingValue); getContentResolver().insert(contentUri, cv); mSettingsHelper.restoreValue(settingName, settingValue); } } } private String[] copyAndSort(String[] keys) { String[] sortedKeys = new String[keys.length]; System.arraycopy(keys, 0, sortedKeys, 0, keys.length); Arrays.sort(sortedKeys); return sortedKeys; } /** * Given a cursor sorted by key name and a set of keys sorted by name, * extract the required keys and values and write them to a byte array. * @param sortedCursor * @param sortedKeys * @return */ byte[] extractRelevantValues(Cursor sortedCursor, String[] sortedKeys) { byte[][] values = new byte[sortedKeys.length * 2][]; // keys and values if (!sortedCursor.moveToFirst()) { Log.e(TAG, "Couldn't read from the cursor"); return new byte[0]; } int keyIndex = 0; int totalSize = 0; while (!sortedCursor.isAfterLast()) { String name = sortedCursor.getString(COLUMN_NAME); while (sortedKeys[keyIndex].compareTo(name.toString()) < 0) { keyIndex++; if (keyIndex == sortedKeys.length) break; } if (keyIndex < sortedKeys.length && name.equals(sortedKeys[keyIndex])) { String value = sortedCursor.getString(COLUMN_VALUE); byte[] nameBytes = name.toString().getBytes(); totalSize += 4 + nameBytes.length; values[keyIndex * 2] = nameBytes; byte[] valueBytes; if (TextUtils.isEmpty(value)) { valueBytes = null; totalSize += 4; } else { valueBytes = value.toString().getBytes(); totalSize += 4 + valueBytes.length; //Log.i(TAG, "Backing up " + name + " = " + value); } values[keyIndex * 2 + 1] = valueBytes; keyIndex++; } if (keyIndex == sortedKeys.length || !sortedCursor.moveToNext()) { break; } } byte[] result = new byte[totalSize]; int pos = 0; for (int i = 0; i < sortedKeys.length * 2; i++) { if (values[i] != null) { pos = writeInt(result, pos, values[i].length); pos = writeBytes(result, pos, values[i]); } } return result; } private void backupFile(String filename, BackupDataOutput data) { try { File file = new File(filename); if (file.exists()) { byte[] bytes = new byte[(int) file.length()]; FileInputStream fis = new FileInputStream(file); int offset = 0; int got = 0; do { got = fis.read(bytes, offset, bytes.length - offset); if (got > 0) offset += got; } while (offset < bytes.length && got > 0); data.writeEntityHeader(filename, bytes.length); data.writeEntityData(bytes, bytes.length); } else { data.writeEntityHeader(filename, 0); data.writeEntityData(EMPTY_DATA, 0); } } catch (IOException ioe) { Log.w(TAG, "Couldn't backup " + filename); } } private void restoreFile(String filename, BackupDataInput data) { byte[] bytes = new byte[data.getDataSize()]; if (bytes.length <= 0) return; try { data.readEntityData(bytes, 0, bytes.length); FileOutputStream fos = new FileOutputStream(filename); fos.write(bytes); } catch (IOException ioe) { Log.w(TAG, "Couldn't restore " + filename); } } /** * Write an int in BigEndian into the byte array. * @param out byte array * @param pos current pos in array * @param value integer to write * @return the index after adding the size of an int (4) */ private int writeInt(byte[] out, int pos, int value) { out[pos + 0] = (byte) ((value >> 24) & 0xFF); out[pos + 1] = (byte) ((value >> 16) & 0xFF); out[pos + 2] = (byte) ((value >> 8) & 0xFF); out[pos + 3] = (byte) ((value >> 0) & 0xFF); return pos + 4; } private int writeBytes(byte[] out, int pos, byte[] value) { System.arraycopy(value, 0, out, pos, value.length); return pos + value.length; } private int readInt(byte[] in, int pos) { int result = ((in[pos ] & 0xFF) << 24) | ((in[pos + 1] & 0xFF) << 16) | ((in[pos + 2] & 0xFF) << 8) | ((in[pos + 3] & 0xFF) << 0); return result; } private void enableWifi(boolean enable) { WifiManager wfm = (WifiManager) getSystemService(Context.WIFI_SERVICE); if (wfm != null) { wfm.setWifiEnabled(enable); } } private void enableBluetooth(boolean enable) { BluetoothDevice bt = (BluetoothDevice) getSystemService(Context.BLUETOOTH_SERVICE); if (bt != null) { if (!enable) { bt.disable(); } else { bt.enable(); } } } }
packages/SettingsProvider/src/com/android/providers/settings/SettingsHelper.java 0 → 100644 +104 −0 Original line number Diff line number Diff line /* * Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.providers.settings; import android.backup.BackupDataInput; import android.content.ContentResolver; import android.content.Context; import android.media.AudioManager; import android.os.IHardwareService; import android.os.RemoteException; import android.os.ServiceManager; import android.provider.Settings; import android.content.IContentService; import android.util.Log; public class SettingsHelper { private static final String TAG = "SettingsHelper"; private Context mContext; private AudioManager mAudioManager; private IContentService mContentService; private static final String SYNC_AUTO = "auto_sync"; private static final String SYNC_MAIL = "gmail-ls_sync"; private static final String SYNC_CALENDAR = "calendar_sync"; private static final String SYNC_CONTACTS = "contacts_sync"; public SettingsHelper(Context context) { mContext = context; mAudioManager = (AudioManager) context .getSystemService(Context.AUDIO_SERVICE); mContentService = ContentResolver.getContentService(); } public void restoreValue(String name, String value) { if (Settings.System.SCREEN_BRIGHTNESS.equals(name)) { setBrightness(Integer.parseInt(value)); } else if (Settings.System.SOUND_EFFECTS_ENABLED.equals(name)) { if (Integer.parseInt(value) == 1) { mAudioManager.loadSoundEffects(); } else { mAudioManager.unloadSoundEffects(); } } } private void setBrightness(int brightness) { try { IHardwareService hardware = IHardwareService.Stub .asInterface(ServiceManager.getService("hardware")); if (hardware != null) { hardware.setBacklights(brightness); } } catch (RemoteException doe) { } } static final String[] PROVIDERS = { "gmail-ls", "calendar", "contacts" }; byte[] getSyncProviders() { byte[] sync = new byte[1 + PROVIDERS.length]; try { sync[0] = (byte) (mContentService.getListenForNetworkTickles() ? 1 : 0); for (int i = 0; i < PROVIDERS.length; i++) { sync[i + 1] = (byte) (mContentService.getSyncProviderAutomatically(PROVIDERS[i]) ? 1 : 0); } } catch (RemoteException re) { Log.w(TAG, "Unable to backup sync providers"); return sync; } return sync; } void setSyncProviders(BackupDataInput backup) { byte[] sync = new byte[backup.getDataSize()]; try { backup.readEntityData(sync, 0, sync.length); mContentService.setListenForNetworkTickles(sync[0] == 1); for (int i = 0; i < PROVIDERS.length; i++) { mContentService.setSyncProviderAutomatically(PROVIDERS[i], sync[i + 1] > 0); } } catch (RemoteException re) { Log.w(TAG, "Unable to restore sync providers"); } catch (java.io.IOException ioe) { Log.w(TAG, "Unable to read sync settings"); } } }
packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java +15 −2 Original line number Diff line number Diff line Loading @@ -16,6 +16,9 @@ package com.android.providers.settings; import java.io.FileNotFoundException; import android.backup.IBackupManager; import android.content.ContentProvider; import android.content.ContentUris; import android.content.ContentValues; Loading @@ -27,6 +30,7 @@ import android.database.sqlite.SQLiteQueryBuilder; import android.media.RingtoneManager; import android.net.Uri; import android.os.ParcelFileDescriptor; import android.os.ServiceManager; import android.os.SystemProperties; import android.provider.DrmStore; import android.provider.MediaStore; Loading @@ -34,8 +38,6 @@ import android.provider.Settings; import android.text.TextUtils; import android.util.Log; import java.io.FileNotFoundException; public class SettingsProvider extends ContentProvider { private static final String TAG = "SettingsProvider"; private static final boolean LOCAL_LOGV = false; Loading Loading @@ -137,6 +139,17 @@ public class SettingsProvider extends ContentProvider { SystemProperties.set(property, Long.toString(version)); } // Inform the backup manager about a data change IBackupManager ibm = IBackupManager.Stub.asInterface( ServiceManager.getService(Context.BACKUP_SERVICE)); if (ibm != null) { try { ibm.dataChanged(getContext().getPackageName()); } catch (Exception e) { // Try again later } } // Now send the notification through the content framework. String notify = uri.getQueryParameter("notify"); Loading