Java Code Examples for android.app.backup.BackupDataInput#getDataSize()
The following examples show how to use
android.app.backup.BackupDataInput#getDataSize() .
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Example 1
| Source File: MyTracksBackupAgent.java From mytracks with Apache License 2.0 | 5 votes |
|
/**
* Restores all preferences from the backup.
*
* @param data the backup data to read from
* @throws IOException if there are any errors while reading
*/
private void restorePreferences(BackupDataInput data) throws IOException {
int dataSize = data.getDataSize();
byte[] dataBuffer = new byte[dataSize];
int read = data.readEntityData(dataBuffer, 0, dataSize);
if (read != dataSize) {
throw new IOException("Failed to read all the preferences data");
}
SharedPreferences preferences = this.getSharedPreferences(
Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
PreferenceBackupHelper importer = createPreferenceBackupHelper();
importer.importPreferences(dataBuffer, preferences);
}
Example 2
| Source File: SettingsBackupAgent.java From Study_Android_Demo with Apache License 2.0 | 5 votes |
|
void incorporateWifiSupplicant(BackupDataInput data) {
restoredSupplicantData = new byte[data.getDataSize()];
if (restoredSupplicantData.length <= 0) return;
try {
data.readEntityData(restoredSupplicantData, 0, data.getDataSize());
} catch (IOException e) {
Log.w(TAG, "Unable to read supplicant data");
restoredSupplicantData = null;
}
}
Example 3
| Source File: SettingsBackupAgent.java From Study_Android_Demo with Apache License 2.0 | 5 votes |
|
void incorporateWifiConfigFile(BackupDataInput data) {
restoredWifiConfigFile = new byte[data.getDataSize()];
if (restoredWifiConfigFile.length <= 0) return;
try {
data.readEntityData(restoredWifiConfigFile, 0, data.getDataSize());
} catch (IOException e) {
Log.w(TAG, "Unable to read config file");
restoredWifiConfigFile = null;
}
}
Example 4
| Source File: SettingsBackupAgent.java From Study_Android_Demo with Apache License 2.0 | 5 votes |
|
private void restoreSettings(BackupDataInput data, Uri contentUri,
HashSet<String> movedToGlobal) {
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;
}
restoreSettings(settings, settings.length, contentUri, movedToGlobal);
}
Example 5
| Source File: SettingsBackupAgent.java From Study_Android_Demo with Apache License 2.0 | 5 votes |
|
private void restoreSettings(BackupDataInput data, Uri contentUri,
HashSet<String> movedToGlobal) {
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;
}
restoreSettings(settings, settings.length, contentUri, movedToGlobal);
}
Example 6
| Source File: SettingsBackupAgent.java From Study_Android_Demo with Apache License 2.0 | 5 votes |
|
private void restoreLockSettings(BackupDataInput data) {
final 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;
}
restoreLockSettings(settings, settings.length);
}
Example 7
| Source File: SettingsBackupAgent.java From Study_Android_Demo with Apache License 2.0 | 4 votes |
|
@Override
public void onRestore(BackupDataInput data, int appVersionCode,
ParcelFileDescriptor newState) throws IOException {
HashSet<String> movedToGlobal = new HashSet<String>();
Settings.System.getMovedKeys(movedToGlobal);
Settings.Secure.getMovedKeys(movedToGlobal);
while (data.readNextHeader()) {
final String key = data.getKey();
final int size = data.getDataSize();
if (KEY_SYSTEM.equals(key)) {
restoreSettings(data, Settings.System.CONTENT_URI, movedToGlobal);
mSettingsHelper.applyAudioSettings();
} else if (KEY_SECURE.equals(key)) {
restoreSettings(data, Settings.Secure.CONTENT_URI, movedToGlobal);
} else if (KEY_GLOBAL.equals(key)) {
restoreSettings(data, Settings.Global.CONTENT_URI, null);
} else if (KEY_WIFI_SUPPLICANT.equals(key)) {
initWifiRestoreIfNecessary();
mWifiRestore.incorporateWifiSupplicant(data);
} else if (KEY_LOCALE.equals(key)) {
byte[] localeData = new byte[size];
data.readEntityData(localeData, 0, size);
mSettingsHelper.setLocaleData(localeData, size);
} else if (KEY_WIFI_CONFIG.equals(key)) {
initWifiRestoreIfNecessary();
mWifiRestore.incorporateWifiConfigFile(data);
} else {
data.skipEntityData();
}
}
// If we have wifi data to restore, post a runnable to perform the
// bounce-and-update operation a little ways in the future.
if (mWifiRestore != null) {
long wifiBounceDelayMillis = Settings.Global.getLong(
getContentResolver(),
Settings.Global.WIFI_BOUNCE_DELAY_OVERRIDE_MS,
WIFI_BOUNCE_DELAY_MILLIS);
new Handler(getMainLooper()).postDelayed(mWifiRestore, wifiBounceDelayMillis);
}
}
Example 8
| Source File: SettingsBackupAgent.java From Study_Android_Demo with Apache License 2.0 | 4 votes |
|
@Override
public void onRestore(BackupDataInput data, int appVersionCode,
ParcelFileDescriptor newState) throws IOException {
HashSet<String> movedToGlobal = new HashSet<String>();
Settings.System.getMovedToGlobalSettings(movedToGlobal);
Settings.Secure.getMovedToGlobalSettings(movedToGlobal);
byte[] restoredWifiSupplicantData = null;
byte[] restoredWifiIpConfigData = null;
while (data.readNextHeader()) {
final String key = data.getKey();
final int size = data.getDataSize();
switch (key) {
case KEY_SYSTEM :
restoreSettings(data, Settings.System.CONTENT_URI, movedToGlobal);
mSettingsHelper.applyAudioSettings();
break;
case KEY_SECURE :
restoreSettings(data, Settings.Secure.CONTENT_URI, movedToGlobal);
break;
case KEY_GLOBAL :
restoreSettings(data, Settings.Global.CONTENT_URI, null);
break;
case KEY_WIFI_SUPPLICANT :
restoredWifiSupplicantData = new byte[size];
data.readEntityData(restoredWifiSupplicantData, 0, size);
break;
case KEY_LOCALE :
byte[] localeData = new byte[size];
data.readEntityData(localeData, 0, size);
mSettingsHelper.setLocaleData(localeData, size);
break;
case KEY_WIFI_CONFIG :
restoredWifiIpConfigData = new byte[size];
data.readEntityData(restoredWifiIpConfigData, 0, size);
break;
case KEY_LOCK_SETTINGS :
restoreLockSettings(data);
break;
case KEY_SOFTAP_CONFIG :
byte[] softapData = new byte[size];
data.readEntityData(softapData, 0, size);
restoreSoftApConfiguration(softapData);
break;
case KEY_NETWORK_POLICIES:
byte[] netPoliciesData = new byte[size];
data.readEntityData(netPoliciesData, 0, size);
restoreNetworkPolicies(netPoliciesData);
break;
case KEY_WIFI_NEW_CONFIG:
byte[] restoredWifiNewConfigData = new byte[size];
data.readEntityData(restoredWifiNewConfigData, 0, size);
restoreNewWifiConfigData(restoredWifiNewConfigData);
break;
default :
data.skipEntityData();
}
}
// Do this at the end so that we also pull in the ipconfig data.
if (restoredWifiSupplicantData != null) {
restoreSupplicantWifiConfigData(
restoredWifiSupplicantData, restoredWifiIpConfigData);
}
}
