private int getModemType() {
String mt;
if (mSimType == PhoneConstants.GEMINI_SIM_1) {
mt = SystemProperties.get("gsm.baseband.capability");
Xlog.i(TAG, "gsm.baseband.capability " + mt);
} else {
mt = SystemProperties.get("gsm.baseband.capability2");
Xlog.i(TAG, "gsm.baseband.capability2 " + mt);
}
int mode = MODEM_NO3G;
if (mt == null) {
mode = MODEM_NO3G;
} else {
try {
int mask = Integer.valueOf(mt);
if ((mask & MODEM_MASK_TDSCDMA) == MODEM_MASK_TDSCDMA) {
mode = MODEM_TD;
} else if ((mask & MODEM_MASK_WCDMA) == MODEM_MASK_WCDMA) {
mode = MODEM_FDD;
} else {
mode = MODEM_NO3G;
}
} catch (NumberFormatException e) {
mode = MODEM_NO3G;
}
}
return mode;
}
public static ComponentName getErrorReportReceiver(
Context context, String packageName, int appFlags) {
// check if error reporting is enabled in secure settings
int enabled =
Settings.Secure.getInt(
context.getContentResolver(), Settings.Secure.SEND_ACTION_APP_ERROR, 0);
if (enabled == 0) {
return null;
}
PackageManager pm = context.getPackageManager();
// look for receiver in the installer package
String candidate = pm.getInstallerPackageName(packageName);
ComponentName result = getErrorReportReceiver(pm, packageName, candidate);
if (result != null) {
return result;
}
// if the error app is on the system image, look for system apps
// error receiver
if ((appFlags & ApplicationInfo.FLAG_SYSTEM) != 0) {
candidate = SystemProperties.get(SYSTEM_APPS_ERROR_RECEIVER_PROPERTY);
result = getErrorReportReceiver(pm, packageName, candidate);
if (result != null) {
return result;
}
}
// if there is a default receiver, try that
candidate = SystemProperties.get(DEFAULT_ERROR_RECEIVER_PROPERTY);
return getErrorReportReceiver(pm, packageName, candidate);
}
/**
* Whether the SVLTE AP-IRAT Support.
*
* @return true if ap-irat support.
*/
public static final boolean isApIratSupport() {
if (SystemProperties.get("ro.mtk_svlte_support").equals("1")
&& !SystemProperties.get("ro.c2k.md.irat.support").equals("1")) {
return true;
} else {
return false;
}
}
private void initSimState() {
if (FeatureOption.MTK_GEMINI_SUPPORT) {
Intent it = getIntent();
mSimId = it.getIntExtra("simId", SIM_CARD_UNDEFINED);
if (SIMInfo.getInsertedSIMCount(this) > 1) {
SIMInfo siminfo = SIMInfo.getSIMInfoBySlot(this, mSimId);
if (siminfo != null) {
setTitle(siminfo.mDisplayName);
}
}
Xlog.d(TAG, "GEMINI_SIM_ID_KEY = " + mSimId);
} else {
Xlog.w(TAG, "Not support GEMINI");
mSimId = SIM_CARD_SINGLE;
}
switch (mSimId) {
case SIM_CARD_SINGLE:
mUri = Telephony.Carriers.CONTENT_URI;
mNumeric = SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_NUMERIC, "-1");
mDefaultApnUri = DEFAULTAPN_URI;
mRestoreCarrierUri = PREFERAPN_URI;
break;
case SIM_CARD_1:
mUri = Telephony.Carriers.SIM1Carriers.CONTENT_URI;
mNumeric = SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_NUMERIC, "-1");
mDefaultApnUri = DEFAULTAPN_URI_GEMINI_SIM1;
mRestoreCarrierUri = PREFERAPN_URI_GEMINI_SIM1;
break;
case SIM_CARD_2:
mUri = Telephony.Carriers.SIM2Carriers.CONTENT_URI;
mNumeric = SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_NUMERIC_2, "-1");
mDefaultApnUri = DEFAULTAPN_URI_GEMINI_SIM2;
mRestoreCarrierUri = PREFERAPN_URI_GEMINI_SIM2;
break;
default:
Xlog.i(TAG, "Incorrect sim id ");
if (FeatureOption.MTK_GEMINI_SUPPORT) {
Intent intent = new Intent();
intent.setClassName("com.android.phone", "com.mediatek.settings.MultipleSimActivity");
intent.putExtra("TARGET_CLASS", "com.android.settings.ApnSettings");
startActivity(intent);
}
finish();
break;
}
Xlog.d(TAG, "mNumeric " + mNumeric);
Xlog.d(TAG, "mUri = " + mUri);
}
/**
* Whether the svlte feature support.
*
* @return the svlte feature support or not
*/
public static final boolean isMediatekSVLteDcSupport() {
if (SystemProperties.get(MTK_SVLTE_SUPPORT).equals("1")) {
return true;
} else {
return false;
}
}
/**
* while receiving one sms, check the sms count to see whether it reaches the max count.
*
* @param threadId
* @param context
* @param flag indicate the operator (increase/decrease)
* @return true if the count is less than the max size, otherwise false.
*/
public void isFull(Long threadId, Context context, int flag) {
try {
ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone"));
if (phone != null) {
if (phone.isTestIccCard()
|| (Integer.parseInt(SystemProperties.get("gsm.gcf.testmode", "0")) == 2)) {
Log.d(TAG, "Now using test icc card...");
if (flag == OP_FLAG_INCREASE) {
if (get(threadId, context) >= THREAD_MAX_SIZE) {
Log.d(TAG, "Storage is full. send notification...");
SmsManager.getDefault().setSmsMemoryStatus(false);
}
} else if (flag == OP_FLAG_DECREASE) {
if (get(threadId, context) < THREAD_MAX_SIZE) {
Log.d(TAG, "Storage is available. send notification...");
SmsManager.getDefault().setSmsMemoryStatus(true);
}
}
}
} else {
Log.d(TAG, "Telephony service is not available!");
}
} catch (Exception ex) {
Log.e(TAG, " " + ex.getMessage());
}
}
private EGLConfig chooseEglConfig() {
EGLConfig[] configs = new EGLConfig[1];
int[] configsCount = new int[1];
int[] configSpec = getConfig(sDirtyRegions);
// Debug
final String debug = SystemProperties.get(PRINT_CONFIG_PROPERTY, "");
if ("all".equalsIgnoreCase(debug)) {
sEgl.eglChooseConfig(sEglDisplay, configSpec, null, 0, configsCount);
EGLConfig[] debugConfigs = new EGLConfig[configsCount[0]];
sEgl.eglChooseConfig(sEglDisplay, configSpec, debugConfigs, configsCount[0], configsCount);
for (EGLConfig config : debugConfigs) {
printConfig(config);
}
}
if (!sEgl.eglChooseConfig(sEglDisplay, configSpec, configs, 1, configsCount)) {
throw new IllegalArgumentException(
"eglChooseConfig failed " + GLUtils.getEGLErrorString(sEgl.eglGetError()));
} else if (configsCount[0] > 0) {
if ("choice".equalsIgnoreCase(debug)) {
printConfig(configs[0]);
}
return configs[0];
}
return null;
}
/**
* Returns an identifier for the current build that can be used to detect likely changes to
* framework resources. The build identifier is made of several distinct values:
*
* <p>build fingerprint/framework version name/file size of framework resources apk
*
* <p>Only the build fingerprint should be necessary on user builds but the other values are
* useful to detect changes on eng builds during development.
*
* <p>This identifier does not attempt to be exact: a new identifier does not necessarily mean the
* preloaded drawables have changed. It is important however that whenever the list of preloaded
* drawables changes, this identifier changes as well.
*
* @see #checkBuildIdentifier(java.io.BufferedReader, String)
*/
private String getBuildIdentifier(String versionName) {
return SystemProperties.get("ro.build.fingerprint", "")
+ '/'
+ versionName
+ '/'
+ String.valueOf(getFrameworkResourcesFile().length());
}
public void onAccountsChanged(String[] accountsArray) {
if (!"yes".equals(SystemProperties.get("ro.config.sync"))) {
return;
}
// - Get a cursor (A) over all selected calendars over all accounts
// - Get a cursor (B) over all subscribed feeds for calendar
// - If an item is in A but not B then add a subscription
// - If an item is in B but not A then remove the subscription
ContentResolver cr = getContext().getContentResolver();
Cursor cursorA = null;
Cursor cursorB = null;
try {
cursorA =
Calendar.Calendars.query(
cr,
null /* projection */,
Calendar.Calendars.SELECTED + "=1",
CALENDAR_KEY_SORT_ORDER);
int urlIndexA = cursorA.getColumnIndexOrThrow(Calendar.Calendars.URL);
int accountIndexA = cursorA.getColumnIndexOrThrow(Calendar.Calendars._SYNC_ACCOUNT);
cursorB =
SubscribedFeeds.Feeds.query(
cr,
FEEDS_KEY_COLUMNS,
SubscribedFeeds.Feeds.AUTHORITY + "=?",
new String[] {Calendar.AUTHORITY},
FEEDS_KEY_SORT_ORDER);
int urlIndexB = cursorB.getColumnIndexOrThrow(SubscribedFeeds.Feeds.FEED);
int accountIndexB = cursorB.getColumnIndexOrThrow(SubscribedFeeds.Feeds._SYNC_ACCOUNT);
for (CursorJoiner.Result joinerResult :
new CursorJoiner(cursorA, CALENDAR_KEY_COLUMNS, cursorB, FEEDS_KEY_COLUMNS)) {
switch (joinerResult) {
case LEFT:
SubscribedFeeds.addFeed(
cr,
cursorA.getString(urlIndexA),
cursorA.getString(accountIndexA),
Calendar.AUTHORITY,
CalendarClient.SERVICE);
break;
case RIGHT:
SubscribedFeeds.deleteFeed(
cr,
cursorB.getString(urlIndexB),
cursorB.getString(accountIndexB),
Calendar.AUTHORITY);
break;
case BOTH:
// do nothing, since the subscription already exists
break;
}
}
} finally {
// check for null in case an exception occurred before the cursors got created
if (cursorA != null) cursorA.close();
if (cursorB != null) cursorB.close();
}
}
/**
* Invoked on each preference click in this hierarchy, overrides PreferenceActivity's
* implementation. Used to make sure we track the preference click events.
*/
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
/** TODO: Refactor and get rid of the if's using subclasses */
if (mGsmUmtsOptions != null && mGsmUmtsOptions.preferenceTreeClick(preference) == true) {
return true;
} else if (mCdmaOptions != null && mCdmaOptions.preferenceTreeClick(preference) == true) {
if (Boolean.parseBoolean(SystemProperties.get(TelephonyProperties.PROPERTY_INECM_MODE))) {
mClickedPreference = preference;
// In ECM mode launch ECM app dialog
startActivityForResult(
new Intent(TelephonyIntents.ACTION_SHOW_NOTICE_ECM_BLOCK_OTHERS, null),
REQUEST_CODE_EXIT_ECM);
}
return true;
} else if (preference == mButtonPreferredNetworkMode) {
// displays the value taken from the Settings.System
int settingsNetworkMode = getPreferredNetworkMode();
mButtonPreferredNetworkMode.setValue(Integer.toString(settingsNetworkMode));
return true;
} else {
// if the button is anything but the simple toggle preference,
// we'll need to disable all preferences to reject all click
// events until the sub-activity's UI comes up.
preferenceScreen.setEnabled(false);
// Let the intents be launched by the Preference manager
return false;
}
}
/**
* @param preference The key for the Preference item
* @param property The system property to fetch
* @param alt The default value, if the property doesn't exist
*/
private void setSummary(String preference, String property, String alt) {
try {
findPreference(preference).setSummary(SystemProperties.get(property, alt));
} catch (RuntimeException e) {
}
}
private static void initRndisAddress() {
// configure RNDIS ethernet address based on our serial number using the same algorithm
// we had been previously using in kernel board files
final int ETH_ALEN = 6;
int address[] = new int[ETH_ALEN];
// first byte is 0x02 to signify a locally administered address
address[0] = 0x02;
String serial = SystemProperties.get("ro.serialno", "1234567890ABCDEF");
int serialLength = serial.length();
// XOR the USB serial across the remaining 5 bytes
for (int i = 0; i < serialLength; i++) {
address[i % (ETH_ALEN - 1) + 1] ^= (int) serial.charAt(i);
}
String addrString =
String.format(
Locale.US,
"%02X:%02X:%02X:%02X:%02X:%02X",
address[0],
address[1],
address[2],
address[3],
address[4],
address[5]);
try {
FileUtils.stringToFile(RNDIS_ETH_ADDR_PATH, addrString);
} catch (IOException e) {
Slog.e(TAG, "failed to write to " + RNDIS_ETH_ADDR_PATH);
}
}
private void getIpoLedStatus() {
if ("1".equals(SystemProperties.get("sys.ipo.ledon"))) {
ipo_led_on = true;
} else if ("0".equals(SystemProperties.get("sys.ipo.ledon"))) {
ipo_led_off = true;
}
if (DEBUG) {
Slog.d(
TAG,
">>>>>>>getIpoLedStatus ipo_led_on = "
+ ipo_led_on
+ ", ipo_led_off = "
+ ipo_led_off
+ "<<<<<<<");
}
}
// Returns the current state of the system property that controls
// strictmode flashes. One of:
// 0: not explicitly set one way or another
// 1: on
// 2: off
private int currentStrictModeActiveIndex() {
if (TextUtils.isEmpty(SystemProperties.get(StrictMode.VISUAL_PROPERTY))) {
return 0;
}
boolean enabled = SystemProperties.getBoolean(StrictMode.VISUAL_PROPERTY, false);
return enabled ? 1 : 2;
}
public static boolean isAdVideoFinish() {
if ("1".equals(SystemProperties.get("mstar.videoadvert.finished", "0"))) {
return true;
} else {
return false;
}
}
private boolean testEncrypt() {
String devicetest = SystemProperties.get("ro.esky.devicetest");
if (devicetest.equals("esky")) {
return true;
}
return false;
}
String getSimOperator() {
String oprator = null;
switch (mSlot) {
case -1:
case 0:
oprator = SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_NUMERIC, "-1");
break;
case 1:
oprator = SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_NUMERIC_2, "-1");
break;
default:
break;
}
return oprator;
}
private String getDefaultFunctions() {
String func =
SystemProperties.get(USB_PERSISTENT_CONFIG_PROPERTY, UsbManager.USB_FUNCTION_NONE);
if (UsbManager.USB_FUNCTION_NONE.equals(func)) {
func = UsbManager.USB_FUNCTION_MTP;
}
return func;
}
private synchronized void onDunDialupReq() {
ConnectivityManager connmgr;
String response;
String[] dnsServers;
dnsServers = new String[2];
connmgr = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo MobileInfo = connmgr.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
NetworkInfo WifiInfo = connmgr.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
if (MobileInfo == null && WifiInfo == null) {
Log.w(TAG, "dialup request, get network info failed");
response = "unknown";
dunDialupRspNative(response, BLUETOOTH_IFACE_ADDR_START, dnsServers);
return;
}
NetworkInfo.State MobileState = NetworkInfo.State.UNKNOWN;
NetworkInfo.State WifiState = NetworkInfo.State.UNKNOWN;
if (MobileInfo != null) MobileState = MobileInfo.getState();
if (WifiInfo != null) WifiState = WifiInfo.getState();
if (MobileState == NetworkInfo.State.CONNECTED || WifiState == NetworkInfo.State.CONNECTED) {
NetworkInfo.State state =
(MobileState == NetworkInfo.State.CONNECTED) ? MobileState : WifiState;
if (DBG) log("startUsingNetworkFeature: (" + state + ")");
response = "active";
dnsServers[0] = SystemProperties.get("net.dns1");
dnsServers[1] = SystemProperties.get("net.dns2");
if (DBG) log("Network connected, DNS1=" + dnsServers[0] + ", " + "DNS2=" + dnsServers[1]);
if (dnsServers[1].isEmpty()) {
dnsServers[1] = "8.8.8.8";
}
if (DBG) log("Network connected, DNS2=" + dnsServers[1] + ", " + "DNS1=" + dnsServers[0]);
} else if (MobileState == NetworkInfo.State.SUSPENDED
|| WifiState == NetworkInfo.State.SUSPENDED) {
response = "busy";
} else if (MobileState == NetworkInfo.State.DISCONNECTED
|| WifiState == NetworkInfo.State.DISCONNECTED) {
response = "unavailable";
} else {
response = "unknown";
}
if (DBG) log("dunDialupRspNative response: (" + response + ")");
dunDialupRspNative(response, BLUETOOTH_IFACE_ADDR_START, dnsServers);
}
/** @hide */
public static int staticGetMemoryClass() {
// Really brain dead right now -- just take this from the configured
// vm heap size, and assume it is in megabytes and thus ends with "m".
String vmHeapSize = SystemProperties.get("dalvik.vm.heapgrowthlimit", "");
if (vmHeapSize != null && !"".equals(vmHeapSize)) {
return Integer.parseInt(vmHeapSize.substring(0, vmHeapSize.length() - 1));
}
return staticGetLargeMemoryClass();
}
/** Return current state of given service. */
public static State getState(String service) {
final String rawState = SystemProperties.get("init.svc." + service);
final State state = sStates.get(rawState);
if (state != null) {
return state;
} else {
return State.STOPPED;
}
}
public static String getSystemProp(String prop, String def) {
String result = null;
try {
result = SystemProperties.get(prop, def);
} catch (IllegalArgumentException iae) {
Log.e(TAG, "Failed to get prop: " + prop);
}
return result == null ? def : result;
}
private static final void commonInit() {
if (DEBUG) Slog.d(TAG, "Entered RuntimeInit!");
/*
* set handlers; these apply to all threads in the VM. Apps can replace
* the default handler, but not the pre handler.
*/
Thread.setUncaughtExceptionPreHandler(new LoggingHandler());
Thread.setDefaultUncaughtExceptionHandler(new KillApplicationHandler());
/*
* Install a TimezoneGetter subclass for ZoneInfo.db
*/
TimezoneGetter.setInstance(
new TimezoneGetter() {
@Override
public String getId() {
return SystemProperties.get("persist.sys.timezone");
}
});
TimeZone.setDefault(null);
/*
* Sets handler for java.util.logging to use Android log facilities.
* The odd "new instance-and-then-throw-away" is a mirror of how
* the "java.util.logging.config.class" system property works. We
* can't use the system property here since the logger has almost
* certainly already been initialized.
*/
LogManager.getLogManager().reset();
new AndroidConfig();
/*
* Sets the default HTTP User-Agent used by HttpURLConnection.
*/
String userAgent = getDefaultUserAgent();
System.setProperty("http.agent", userAgent);
/*
* Wire socket tagging to traffic stats.
*/
NetworkManagementSocketTagger.install();
/*
* If we're running in an emulator launched with "-trace", put the
* VM into emulator trace profiling mode so that the user can hit
* F9/F10 at any time to capture traces. This has performance
* consequences, so it's not something you want to do always.
*/
String trace = SystemProperties.get("ro.kernel.android.tracing");
if (trace.equals("1")) {
Slog.i(TAG, "NOTE: emulator trace profiling enabled");
Debug.enableEmulatorTraceOutput();
}
initialized = true;
}
private File dumpKernelStackTraces() {
String tracesPath = SystemProperties.get("dalvik.vm.stack-trace-file", null);
if (tracesPath == null || tracesPath.length() == 0) {
return null;
}
native_dumpKernelStacks(tracesPath);
return new File(tracesPath);
}
/** Takes a screenshot of the current display and shows an animation. */
void takeScreenshot(Runnable finisher, boolean statusBarVisible, boolean navBarVisible) {
// We need to orient the screenshot correctly (and the Surface api seems to take screenshots
// only in the natural orientation of the device :!)
mDisplay.getRealMetrics(mDisplayMetrics);
float[] dims = {mDisplayMetrics.widthPixels, mDisplayMetrics.heightPixels};
// float degrees = getDegreesForRotation(mDisplay.getRotation());
int value = mDisplay.getRotation();
String hwRotation = SystemProperties.get("ro.sf.hwrotation", "0");
if (hwRotation.equals("270") || hwRotation.equals("90")) {
value = (value + 3) % 4;
}
float degrees = getDegreesForRotation(value);
boolean requiresRotation = (degrees > 0);
if (requiresRotation) {
// Get the dimensions of the device in its native orientation
mDisplayMatrix.reset();
mDisplayMatrix.preRotate(-degrees);
mDisplayMatrix.mapPoints(dims);
dims[0] = Math.abs(dims[0]);
dims[1] = Math.abs(dims[1]);
}
// Take the screenshot
mScreenBitmap = Surface.screenshot((int) dims[0], (int) dims[1]);
if (mScreenBitmap == null) {
notifyScreenshotError(mContext, mNotificationManager);
finisher.run();
return;
}
if (requiresRotation) {
// Rotate the screenshot to the current orientation
Bitmap ss =
Bitmap.createBitmap(
mDisplayMetrics.widthPixels, mDisplayMetrics.heightPixels, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(ss);
c.translate(ss.getWidth() / 2, ss.getHeight() / 2);
c.rotate(degrees);
c.translate(-dims[0] / 2, -dims[1] / 2);
c.drawBitmap(mScreenBitmap, 0, 0, null);
c.setBitmap(null);
mScreenBitmap = ss;
}
// Optimizations
mScreenBitmap.setHasAlpha(false);
mScreenBitmap.prepareToDraw();
// Start the post-screenshot animation
startAnimation(
finisher,
mDisplayMetrics.widthPixels,
mDisplayMetrics.heightPixels,
statusBarVisible,
navBarVisible);
}
private void setValueSummary(String preference, String property) {
try {
findPreference(preference)
.setSummary(
SystemProperties.get(
property, getResources().getString(R.string.device_info_default)));
} catch (RuntimeException e) {
// No recovery
}
}
static {
enabled = "1".equals(SystemProperties.get("persist.sampling_profiler"));
if (enabled) {
snapshotWriter = Executors.newSingleThreadExecutor();
Log.i(TAG, "Profiler is enabled.");
} else {
snapshotWriter = null;
Log.i(TAG, "Profiler is disabled.");
}
}
GlRenderer(int glVersion, boolean translucent) {
mGlVersion = glVersion;
mTranslucent = translucent;
String property;
property = SystemProperties.get(DISABLE_VSYNC_PROPERTY, "false");
mVsyncDisabled = "true".equalsIgnoreCase(property);
if (mVsyncDisabled) {
Log.d(LOG_TAG, "Disabling v-sync");
}
property = SystemProperties.get(PROFILE_PROPERTY, "false");
mProfileEnabled = "true".equalsIgnoreCase(property);
if (mProfileEnabled) {
Log.d(LOG_TAG, "Profiling hardware renderer");
}
if (mProfileEnabled) {
property =
SystemProperties.get(PROFILE_MAXFRAMES_PROPERTY, Integer.toString(PROFILE_MAX_FRAMES));
int maxProfileFrames = Integer.valueOf(property);
mProfileData = new float[maxProfileFrames * PROFILE_FRAME_DATA_COUNT];
for (int i = 0; i < mProfileData.length; i += PROFILE_FRAME_DATA_COUNT) {
mProfileData[i] = mProfileData[i + 1] = mProfileData[i + 2] = -1;
}
mProfileLock = new ReentrantLock();
} else {
mProfileData = null;
mProfileLock = null;
}
property = SystemProperties.get(DEBUG_DIRTY_REGIONS_PROPERTY, "false");
mDebugDirtyRegions = "true".equalsIgnoreCase(property);
if (mDebugDirtyRegions) {
Log.d(LOG_TAG, "Debugging dirty regions");
}
mShowOverdraw =
SystemProperties.getBoolean(HardwareRenderer.DEBUG_SHOW_OVERDRAW_PROPERTY, false);
}
private final void restatDataDir() {
try {
mDataFileStats.restat(DATA_PATH);
mFreeMem = (long) mDataFileStats.getAvailableBlocks() * mDataFileStats.getBlockSize();
} catch (IllegalArgumentException e) {
// use the old value of mFreeMem
}
// Allow freemem to be overridden by debug.freemem for testing
String debugFreeMem = SystemProperties.get("debug.freemem");
if (!"".equals(debugFreeMem)) {
mFreeMem = Long.parseLong(debugFreeMem);
}
// Read the log interval from secure settings
long freeMemLogInterval =
Settings.Global.getLong(
mContentResolver,
Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL,
DEFAULT_FREE_STORAGE_LOG_INTERVAL_IN_MINUTES)
* 60
* 1000;
// log the amount of free memory in event log
long currTime = SystemClock.elapsedRealtime();
if ((mLastReportedFreeMemTime == 0)
|| (currTime - mLastReportedFreeMemTime) >= freeMemLogInterval) {
mLastReportedFreeMemTime = currTime;
long mFreeSystem = -1, mFreeCache = -1;
try {
mSystemFileStats.restat(SYSTEM_PATH);
mFreeSystem =
(long) mSystemFileStats.getAvailableBlocks() * mSystemFileStats.getBlockSize();
} catch (IllegalArgumentException e) {
// ignore; report -1
}
try {
mCacheFileStats.restat(CACHE_PATH);
mFreeCache = (long) mCacheFileStats.getAvailableBlocks() * mCacheFileStats.getBlockSize();
} catch (IllegalArgumentException e) {
// ignore; report -1
}
EventLog.writeEvent(EventLogTags.FREE_STORAGE_LEFT, mFreeMem, mFreeSystem, mFreeCache);
}
// Read the reporting threshold from secure settings
long threshold =
Settings.Global.getLong(
mContentResolver,
Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD,
DEFAULT_DISK_FREE_CHANGE_REPORTING_THRESHOLD);
// If mFree changed significantly log the new value
long delta = mFreeMem - mLastReportedFreeMem;
if (delta > threshold || delta < -threshold) {
mLastReportedFreeMem = mFreeMem;
EventLog.writeEvent(EventLogTags.FREE_STORAGE_CHANGED, mFreeMem);
}
}
private boolean waitForState(String state) {
// wait for the transition to complete.
// give up after 1 second.
for (int i = 0; i < 20; i++) {
// State transition is done when sys.usb.state is set to the new configuration
if (state.equals(SystemProperties.get("sys.usb.state"))) return true;
SystemClock.sleep(50);
}
Slog.e(TAG, "waitForState(" + state + ") FAILED");
return false;
}