| package com.android.settingslib; |
| |
| import static android.telephony.ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN; |
| |
| import android.annotation.ColorInt; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.Signature; |
| import android.content.pm.UserInfo; |
| import android.content.res.ColorStateList; |
| import android.content.res.Resources; |
| import android.content.res.TypedArray; |
| import android.graphics.Bitmap; |
| import android.graphics.Color; |
| import android.graphics.drawable.Drawable; |
| import android.location.LocationManager; |
| import android.media.AudioManager; |
| import android.net.ConnectivityManager; |
| import android.os.BatteryManager; |
| import android.os.SystemProperties; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.print.PrintManager; |
| import android.provider.Settings; |
| import android.telephony.ServiceState; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.util.UserIcons; |
| import com.android.settingslib.drawable.UserIconDrawable; |
| |
| import java.text.NumberFormat; |
| |
| public class Utils { |
| |
| private static final String CURRENT_MODE_KEY = "CURRENT_MODE"; |
| private static final String NEW_MODE_KEY = "NEW_MODE"; |
| @VisibleForTesting |
| static final String STORAGE_MANAGER_ENABLED_PROPERTY = |
| "ro.storage_manager.enabled"; |
| |
| private static Signature[] sSystemSignature; |
| private static String sPermissionControllerPackageName; |
| private static String sServicesSystemSharedLibPackageName; |
| private static String sSharedSystemSharedLibPackageName; |
| |
| static final int[] WIFI_PIE = { |
| com.android.internal.R.drawable.ic_wifi_signal_0, |
| com.android.internal.R.drawable.ic_wifi_signal_1, |
| com.android.internal.R.drawable.ic_wifi_signal_2, |
| com.android.internal.R.drawable.ic_wifi_signal_3, |
| com.android.internal.R.drawable.ic_wifi_signal_4 |
| }; |
| |
| public static void updateLocationEnabled(Context context, boolean enabled, int userId, |
| int source) { |
| Settings.Secure.putIntForUser( |
| context.getContentResolver(), Settings.Secure.LOCATION_CHANGER, source, |
| userId); |
| Intent intent = new Intent(LocationManager.MODE_CHANGING_ACTION); |
| |
| final int oldMode = Settings.Secure.getIntForUser(context.getContentResolver(), |
| Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_OFF, userId); |
| final int newMode = enabled |
| ? Settings.Secure.LOCATION_MODE_HIGH_ACCURACY |
| : Settings.Secure.LOCATION_MODE_OFF; |
| intent.putExtra(CURRENT_MODE_KEY, oldMode); |
| intent.putExtra(NEW_MODE_KEY, newMode); |
| context.sendBroadcastAsUser( |
| intent, UserHandle.of(userId), android.Manifest.permission.WRITE_SECURE_SETTINGS); |
| LocationManager locationManager = |
| (LocationManager) context.getSystemService(Context.LOCATION_SERVICE); |
| locationManager.setLocationEnabledForUser(enabled, UserHandle.of(userId)); |
| } |
| |
| public static boolean updateLocationMode(Context context, int oldMode, int newMode, int userId, |
| int source) { |
| Settings.Secure.putIntForUser( |
| context.getContentResolver(), Settings.Secure.LOCATION_CHANGER, source, |
| userId); |
| Intent intent = new Intent(LocationManager.MODE_CHANGING_ACTION); |
| intent.putExtra(CURRENT_MODE_KEY, oldMode); |
| intent.putExtra(NEW_MODE_KEY, newMode); |
| context.sendBroadcastAsUser( |
| intent, UserHandle.of(userId), android.Manifest.permission.WRITE_SECURE_SETTINGS); |
| return Settings.Secure.putIntForUser( |
| context.getContentResolver(), Settings.Secure.LOCATION_MODE, newMode, userId); |
| } |
| |
| /** |
| * Return string resource that best describes combination of tethering |
| * options available on this device. |
| */ |
| public static int getTetheringLabel(ConnectivityManager cm) { |
| String[] usbRegexs = cm.getTetherableUsbRegexs(); |
| String[] wifiRegexs = cm.getTetherableWifiRegexs(); |
| String[] bluetoothRegexs = cm.getTetherableBluetoothRegexs(); |
| |
| boolean usbAvailable = usbRegexs.length != 0; |
| boolean wifiAvailable = wifiRegexs.length != 0; |
| boolean bluetoothAvailable = bluetoothRegexs.length != 0; |
| |
| if (wifiAvailable && usbAvailable && bluetoothAvailable) { |
| return R.string.tether_settings_title_all; |
| } else if (wifiAvailable && usbAvailable) { |
| return R.string.tether_settings_title_all; |
| } else if (wifiAvailable && bluetoothAvailable) { |
| return R.string.tether_settings_title_all; |
| } else if (wifiAvailable) { |
| return R.string.tether_settings_title_wifi; |
| } else if (usbAvailable && bluetoothAvailable) { |
| return R.string.tether_settings_title_usb_bluetooth; |
| } else if (usbAvailable) { |
| return R.string.tether_settings_title_usb; |
| } else { |
| return R.string.tether_settings_title_bluetooth; |
| } |
| } |
| |
| /** |
| * Returns a label for the user, in the form of "User: user name" or "Work profile". |
| */ |
| public static String getUserLabel(Context context, UserInfo info) { |
| String name = info != null ? info.name : null; |
| if (info.isManagedProfile()) { |
| // We use predefined values for managed profiles |
| return context.getString(R.string.managed_user_title); |
| } else if (info.isGuest()) { |
| name = context.getString(R.string.user_guest); |
| } |
| if (name == null && info != null) { |
| name = Integer.toString(info.id); |
| } else if (info == null) { |
| name = context.getString(R.string.unknown); |
| } |
| return context.getResources().getString(R.string.running_process_item_user_label, name); |
| } |
| |
| /** |
| * Returns a circular icon for a user. |
| */ |
| public static Drawable getUserIcon(Context context, UserManager um, UserInfo user) { |
| final int iconSize = UserIconDrawable.getSizeForList(context); |
| if (user.isManagedProfile()) { |
| Drawable drawable = UserIconDrawable.getManagedUserDrawable(context); |
| drawable.setBounds(0, 0, iconSize, iconSize); |
| return drawable; |
| } |
| if (user.iconPath != null) { |
| Bitmap icon = um.getUserIcon(user.id); |
| if (icon != null) { |
| return new UserIconDrawable(iconSize).setIcon(icon).bake(); |
| } |
| } |
| return new UserIconDrawable(iconSize).setIconDrawable( |
| UserIcons.getDefaultUserIcon(context.getResources(), user.id, /* light= */ false)) |
| .bake(); |
| } |
| |
| /** Formats a double from 0.0..100.0 with an option to round **/ |
| public static String formatPercentage(double percentage, boolean round) { |
| final int localPercentage = round ? Math.round((float) percentage) : (int) percentage; |
| return formatPercentage(localPercentage); |
| } |
| |
| /** Formats the ratio of amount/total as a percentage. */ |
| public static String formatPercentage(long amount, long total) { |
| return formatPercentage(((double) amount) / total); |
| } |
| |
| /** Formats an integer from 0..100 as a percentage. */ |
| public static String formatPercentage(int percentage) { |
| return formatPercentage(((double) percentage) / 100.0); |
| } |
| |
| /** Formats a double from 0.0..1.0 as a percentage. */ |
| public static String formatPercentage(double percentage) { |
| return NumberFormat.getPercentInstance().format(percentage); |
| } |
| |
| public static int getBatteryLevel(Intent batteryChangedIntent) { |
| int level = batteryChangedIntent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0); |
| int scale = batteryChangedIntent.getIntExtra(BatteryManager.EXTRA_SCALE, 100); |
| return (level * 100) / scale; |
| } |
| |
| public static String getBatteryStatus(Resources res, Intent batteryChangedIntent) { |
| int status = batteryChangedIntent.getIntExtra(BatteryManager.EXTRA_STATUS, |
| BatteryManager.BATTERY_STATUS_UNKNOWN); |
| String statusString; |
| if (status == BatteryManager.BATTERY_STATUS_CHARGING) { |
| statusString = res.getString(R.string.battery_info_status_charging); |
| } else if (status == BatteryManager.BATTERY_STATUS_DISCHARGING) { |
| statusString = res.getString(R.string.battery_info_status_discharging); |
| } else if (status == BatteryManager.BATTERY_STATUS_NOT_CHARGING) { |
| statusString = res.getString(R.string.battery_info_status_not_charging); |
| } else if (status == BatteryManager.BATTERY_STATUS_FULL) { |
| statusString = res.getString(R.string.battery_info_status_full); |
| } else { |
| statusString = res.getString(R.string.battery_info_status_unknown); |
| } |
| |
| return statusString; |
| } |
| |
| public static ColorStateList getColorAccent(Context context) { |
| return getColorAttr(context, android.R.attr.colorAccent); |
| } |
| |
| public static ColorStateList getColorError(Context context) { |
| return getColorAttr(context, android.R.attr.colorError); |
| } |
| |
| @ColorInt |
| public static int getColorAccentDefaultColor(Context context) { |
| return getColorAttrDefaultColor(context, android.R.attr.colorAccent); |
| } |
| |
| @ColorInt |
| public static int getColorErrorDefaultColor(Context context) { |
| return getColorAttrDefaultColor(context, android.R.attr.colorError); |
| } |
| |
| @ColorInt |
| public static int getColorStateListDefaultColor(Context context, int resId) { |
| final ColorStateList list = |
| context.getResources().getColorStateList(resId, context.getTheme()); |
| return list.getDefaultColor(); |
| } |
| |
| @ColorInt |
| public static int getDisabled(Context context, int inputColor) { |
| return applyAlphaAttr(context, android.R.attr.disabledAlpha, inputColor); |
| } |
| |
| @ColorInt |
| public static int applyAlphaAttr(Context context, int attr, int inputColor) { |
| TypedArray ta = context.obtainStyledAttributes(new int[]{attr}); |
| float alpha = ta.getFloat(0, 0); |
| ta.recycle(); |
| return applyAlpha(alpha, inputColor); |
| } |
| |
| @ColorInt |
| public static int applyAlpha(float alpha, int inputColor) { |
| alpha *= Color.alpha(inputColor); |
| return Color.argb((int) (alpha), Color.red(inputColor), Color.green(inputColor), |
| Color.blue(inputColor)); |
| } |
| |
| @ColorInt |
| public static int getColorAttrDefaultColor(Context context, int attr) { |
| TypedArray ta = context.obtainStyledAttributes(new int[]{attr}); |
| @ColorInt int colorAccent = ta.getColor(0, 0); |
| ta.recycle(); |
| return colorAccent; |
| } |
| |
| public static ColorStateList getColorAttr(Context context, int attr) { |
| TypedArray ta = context.obtainStyledAttributes(new int[]{attr}); |
| ColorStateList stateList = null; |
| try { |
| stateList = ta.getColorStateList(0); |
| } finally { |
| ta.recycle(); |
| } |
| return stateList; |
| } |
| |
| public static int getThemeAttr(Context context, int attr) { |
| TypedArray ta = context.obtainStyledAttributes(new int[]{attr}); |
| int theme = ta.getResourceId(0, 0); |
| ta.recycle(); |
| return theme; |
| } |
| |
| public static Drawable getDrawable(Context context, int attr) { |
| TypedArray ta = context.obtainStyledAttributes(new int[]{attr}); |
| Drawable drawable = ta.getDrawable(0); |
| ta.recycle(); |
| return drawable; |
| } |
| |
| /** |
| * Determine whether a package is a "system package", in which case certain things (like |
| * disabling notifications or disabling the package altogether) should be disallowed. |
| */ |
| public static boolean isSystemPackage(Resources resources, PackageManager pm, PackageInfo pkg) { |
| if (sSystemSignature == null) { |
| sSystemSignature = new Signature[]{getSystemSignature(pm)}; |
| } |
| if (sPermissionControllerPackageName == null) { |
| sPermissionControllerPackageName = pm.getPermissionControllerPackageName(); |
| } |
| if (sServicesSystemSharedLibPackageName == null) { |
| sServicesSystemSharedLibPackageName = pm.getServicesSystemSharedLibraryPackageName(); |
| } |
| if (sSharedSystemSharedLibPackageName == null) { |
| sSharedSystemSharedLibPackageName = pm.getSharedSystemSharedLibraryPackageName(); |
| } |
| return (sSystemSignature[0] != null |
| && sSystemSignature[0].equals(getFirstSignature(pkg))) |
| || pkg.packageName.equals(sPermissionControllerPackageName) |
| || pkg.packageName.equals(sServicesSystemSharedLibPackageName) |
| || pkg.packageName.equals(sSharedSystemSharedLibPackageName) |
| || pkg.packageName.equals(PrintManager.PRINT_SPOOLER_PACKAGE_NAME) |
| || isDeviceProvisioningPackage(resources, pkg.packageName); |
| } |
| |
| private static Signature getFirstSignature(PackageInfo pkg) { |
| if (pkg != null && pkg.signatures != null && pkg.signatures.length > 0) { |
| return pkg.signatures[0]; |
| } |
| return null; |
| } |
| |
| private static Signature getSystemSignature(PackageManager pm) { |
| try { |
| final PackageInfo sys = pm.getPackageInfo("android", PackageManager.GET_SIGNATURES); |
| return getFirstSignature(sys); |
| } catch (NameNotFoundException e) { |
| } |
| return null; |
| } |
| |
| /** |
| * Returns {@code true} if the supplied package is the device provisioning app. Otherwise, |
| * returns {@code false}. |
| */ |
| public static boolean isDeviceProvisioningPackage(Resources resources, String packageName) { |
| String deviceProvisioningPackage = resources.getString( |
| com.android.internal.R.string.config_deviceProvisioningPackage); |
| return deviceProvisioningPackage != null && deviceProvisioningPackage.equals(packageName); |
| } |
| |
| /** |
| * Returns the Wifi icon resource for a given RSSI level. |
| * |
| * @param level The number of bars to show (0-4) |
| * @throws IllegalArgumentException if an invalid RSSI level is given. |
| */ |
| public static int getWifiIconResource(int level) { |
| if (level < 0 || level >= WIFI_PIE.length) { |
| throw new IllegalArgumentException("No Wifi icon found for level: " + level); |
| } |
| return WIFI_PIE[level]; |
| } |
| |
| public static int getDefaultStorageManagerDaysToRetain(Resources resources) { |
| int defaultDays = Settings.Secure.AUTOMATIC_STORAGE_MANAGER_DAYS_TO_RETAIN_DEFAULT; |
| try { |
| defaultDays = |
| resources.getInteger( |
| com.android |
| .internal |
| .R |
| .integer |
| .config_storageManagerDaystoRetainDefault); |
| } catch (Resources.NotFoundException e) { |
| // We are likely in a test environment. |
| } |
| return defaultDays; |
| } |
| |
| public static boolean isWifiOnly(Context context) { |
| return !context.getSystemService(ConnectivityManager.class) |
| .isNetworkSupported(ConnectivityManager.TYPE_MOBILE); |
| } |
| |
| /** Returns if the automatic storage management feature is turned on or not. **/ |
| public static boolean isStorageManagerEnabled(Context context) { |
| boolean isDefaultOn; |
| try { |
| isDefaultOn = SystemProperties.getBoolean(STORAGE_MANAGER_ENABLED_PROPERTY, false); |
| } catch (Resources.NotFoundException e) { |
| isDefaultOn = false; |
| } |
| return Settings.Secure.getInt(context.getContentResolver(), |
| Settings.Secure.AUTOMATIC_STORAGE_MANAGER_ENABLED, |
| isDefaultOn ? 1 : 0) |
| != 0; |
| } |
| |
| /** |
| * get that {@link AudioManager#getMode()} is in ringing/call/communication(VoIP) status. |
| */ |
| public static boolean isAudioModeOngoingCall(Context context) { |
| final AudioManager audioManager = context.getSystemService(AudioManager.class); |
| final int audioMode = audioManager.getMode(); |
| return audioMode == AudioManager.MODE_RINGTONE |
| || audioMode == AudioManager.MODE_IN_CALL |
| || audioMode == AudioManager.MODE_IN_COMMUNICATION; |
| } |
| |
| /** |
| * Return the service state is in-service or not. |
| * To make behavior consistent with SystemUI and Settings/AboutPhone/SIM status UI |
| * |
| * @param serviceState Service state. {@link ServiceState} |
| */ |
| public static boolean isInService(ServiceState serviceState) { |
| if (serviceState == null) { |
| return false; |
| } |
| int state = getCombinedServiceState(serviceState); |
| if (state == ServiceState.STATE_POWER_OFF |
| || state == ServiceState.STATE_OUT_OF_SERVICE |
| || state == ServiceState.STATE_EMERGENCY_ONLY) { |
| return false; |
| } else { |
| return true; |
| } |
| } |
| |
| /** |
| * Return the combined service state. |
| * To make behavior consistent with SystemUI and Settings/AboutPhone/SIM status UI |
| * |
| * @param serviceState Service state. {@link ServiceState} |
| */ |
| public static int getCombinedServiceState(ServiceState serviceState) { |
| if (serviceState == null) { |
| return ServiceState.STATE_OUT_OF_SERVICE; |
| } |
| |
| // Consider the device to be in service if either voice or data |
| // service is available. Some SIM cards are marketed as data-only |
| // and do not support voice service, and on these SIM cards, we |
| // want to show signal bars for data service as well as the "no |
| // service" or "emergency calls only" text that indicates that voice |
| // is not available. Note that we ignore the IWLAN service state |
| // because that state indicates the use of VoWIFI and not cell service |
| int state = serviceState.getState(); |
| int dataState = serviceState.getDataRegState(); |
| if (state == ServiceState.STATE_OUT_OF_SERVICE |
| || state == ServiceState.STATE_EMERGENCY_ONLY) { |
| if (dataState == ServiceState.STATE_IN_SERVICE |
| && serviceState.getDataNetworkType() != RIL_RADIO_TECHNOLOGY_IWLAN) { |
| return ServiceState.STATE_IN_SERVICE; |
| } |
| } |
| return state; |
| } |
| } |