| /** |
| * Copyright (C) 2007 Google Inc. |
| * |
| * 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.settings; |
| |
| import static android.content.Intent.EXTRA_USER; |
| import static android.content.Intent.EXTRA_USER_ID; |
| import static android.text.format.DateUtils.FORMAT_ABBREV_MONTH; |
| import static android.text.format.DateUtils.FORMAT_SHOW_DATE; |
| |
| import android.annotation.Nullable; |
| import android.app.ActivityManager; |
| import android.app.AlertDialog; |
| import android.app.AppGlobals; |
| import android.app.AppOpsManager; |
| import android.app.Dialog; |
| import android.app.Fragment; |
| import android.app.IActivityManager; |
| import android.app.KeyguardManager; |
| import android.app.admin.DevicePolicyManager; |
| import android.content.ActivityNotFoundException; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.IPackageManager; |
| import android.content.pm.IntentFilterVerificationInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.UserInfo; |
| import android.content.res.Resources; |
| import android.content.res.TypedArray; |
| import android.database.Cursor; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.hardware.fingerprint.FingerprintManager; |
| import android.net.ConnectivityManager; |
| import android.net.LinkProperties; |
| import android.net.Network; |
| import android.net.Uri; |
| import android.net.wifi.WifiManager; |
| import android.os.BatteryManager; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| import android.os.INetworkManagementService; |
| import android.os.Looper; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.os.storage.StorageManager; |
| import android.os.storage.VolumeInfo; |
| import android.preference.PreferenceFrameLayout; |
| import android.provider.ContactsContract.CommonDataKinds; |
| import android.provider.ContactsContract.Contacts; |
| import android.provider.ContactsContract.Data; |
| import android.provider.ContactsContract.Profile; |
| import android.provider.ContactsContract.RawContacts; |
| import android.provider.Settings; |
| import android.support.annotation.StringRes; |
| import android.support.v7.preference.Preference; |
| import android.support.v7.preference.PreferenceGroup; |
| import android.support.v7.preference.PreferenceManager; |
| import android.support.v7.preference.PreferenceScreen; |
| import android.telephony.TelephonyManager; |
| import android.text.Spannable; |
| import android.text.SpannableString; |
| import android.text.SpannableStringBuilder; |
| import android.text.Spanned; |
| import android.text.TextUtils; |
| import android.text.format.DateUtils; |
| import android.text.style.TtsSpan; |
| import android.util.ArraySet; |
| import android.util.Log; |
| import android.util.SparseArray; |
| import android.util.TypedValue; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.animation.Animation; |
| import android.view.animation.Animation.AnimationListener; |
| import android.view.animation.AnimationUtils; |
| import android.widget.ListView; |
| import android.widget.TabWidget; |
| |
| import com.android.internal.app.UnlaunchableAppActivity; |
| import com.android.internal.util.ArrayUtils; |
| import com.android.internal.util.UserIcons; |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.settings.password.FingerprintManagerWrapper; |
| import com.android.settings.password.IFingerprintManager; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.InetAddress; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Locale; |
| |
| public final class Utils extends com.android.settingslib.Utils { |
| |
| private static final String TAG = "Settings"; |
| |
| /** |
| * Set the preference's title to the matching activity's label. |
| */ |
| public static final int UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY = 1; |
| |
| /** |
| * The opacity level of a disabled icon. |
| */ |
| public static final float DISABLED_ALPHA = 0.4f; |
| |
| /** |
| * Color spectrum to use to indicate badness. 0 is completely transparent (no data), |
| * 1 is most bad (red), the last value is least bad (green). |
| */ |
| public static final int[] BADNESS_COLORS = new int[] { |
| 0x00000000, 0xffc43828, 0xffe54918, 0xfff47b00, |
| 0xfffabf2c, 0xff679e37, 0xff0a7f42 |
| }; |
| |
| private static final String SETTINGS_PACKAGE_NAME = "com.android.settings"; |
| |
| private static final int SECONDS_PER_MINUTE = 60; |
| private static final int SECONDS_PER_HOUR = 60 * 60; |
| private static final int SECONDS_PER_DAY = 24 * 60 * 60; |
| |
| public static final String OS_PKG = "os"; |
| |
| private static SparseArray<Bitmap> sDarkDefaultUserBitmapCache = new SparseArray<Bitmap>(); |
| |
| /** |
| * Finds a matching activity for a preference's intent. If a matching |
| * activity is not found, it will remove the preference. |
| * |
| * @param context The context. |
| * @param parentPreferenceGroup The preference group that contains the |
| * preference whose intent is being resolved. |
| * @param preferenceKey The key of the preference whose intent is being |
| * resolved. |
| * @param flags 0 or one or more of |
| * {@link #UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY} |
| * . |
| * @return Whether an activity was found. If false, the preference was |
| * removed. |
| */ |
| public static boolean updatePreferenceToSpecificActivityOrRemove(Context context, |
| PreferenceGroup parentPreferenceGroup, String preferenceKey, int flags) { |
| |
| Preference preference = parentPreferenceGroup.findPreference(preferenceKey); |
| if (preference == null) { |
| return false; |
| } |
| |
| Intent intent = preference.getIntent(); |
| if (intent != null) { |
| // Find the activity that is in the system image |
| PackageManager pm = context.getPackageManager(); |
| List<ResolveInfo> list = pm.queryIntentActivities(intent, 0); |
| int listSize = list.size(); |
| for (int i = 0; i < listSize; i++) { |
| ResolveInfo resolveInfo = list.get(i); |
| if ((resolveInfo.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) |
| != 0) { |
| |
| // Replace the intent with this specific activity |
| preference.setIntent(new Intent().setClassName( |
| resolveInfo.activityInfo.packageName, |
| resolveInfo.activityInfo.name)); |
| |
| if ((flags & UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY) != 0) { |
| // Set the preference title to the activity's label |
| preference.setTitle(resolveInfo.loadLabel(pm)); |
| } |
| |
| return true; |
| } |
| } |
| } |
| |
| // Did not find a matching activity, so remove the preference |
| parentPreferenceGroup.removePreference(preference); |
| |
| return false; |
| } |
| |
| /** |
| * Returns the UserManager for a given context |
| * |
| * @throws IllegalStateException if no UserManager could be retrieved. |
| */ |
| public static UserManager getUserManager(Context context) { |
| UserManager um = UserManager.get(context); |
| if (um == null) { |
| throw new IllegalStateException("Unable to load UserManager"); |
| } |
| return um; |
| } |
| |
| /** |
| * Returns true if Monkey is running. |
| */ |
| public static boolean isMonkeyRunning() { |
| return ActivityManager.isUserAMonkey(); |
| } |
| |
| /** |
| * Returns whether the device is voice-capable (meaning, it is also a phone). |
| */ |
| public static boolean isVoiceCapable(Context context) { |
| TelephonyManager telephony = |
| (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); |
| return telephony != null && telephony.isVoiceCapable(); |
| } |
| |
| public static boolean isWifiOnly(Context context) { |
| ConnectivityManager cm = (ConnectivityManager)context.getSystemService( |
| Context.CONNECTIVITY_SERVICE); |
| return (cm.isNetworkSupported(ConnectivityManager.TYPE_MOBILE) == false); |
| } |
| |
| /** |
| * Returns the WIFI IP Addresses, if any, taking into account IPv4 and IPv6 style addresses. |
| * @param context the application context |
| * @return the formatted and newline-separated IP addresses, or null if none. |
| */ |
| public static String getWifiIpAddresses(Context context) { |
| WifiManager wifiManager = context.getSystemService(WifiManager.class); |
| Network currentNetwork = wifiManager.getCurrentNetwork(); |
| if (currentNetwork != null) { |
| ConnectivityManager cm = (ConnectivityManager) |
| context.getSystemService(Context.CONNECTIVITY_SERVICE); |
| LinkProperties prop = cm.getLinkProperties(currentNetwork); |
| return formatIpAddresses(prop); |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the default link's IP addresses, if any, taking into account IPv4 and IPv6 style |
| * addresses. |
| * @return the formatted and newline-separated IP addresses, or null if none. |
| */ |
| public static String getDefaultIpAddresses(ConnectivityManager cm) { |
| LinkProperties prop = cm.getActiveLinkProperties(); |
| return formatIpAddresses(prop); |
| } |
| |
| private static String formatIpAddresses(LinkProperties prop) { |
| if (prop == null) return null; |
| Iterator<InetAddress> iter = prop.getAllAddresses().iterator(); |
| // If there are no entries, return null |
| if (!iter.hasNext()) return null; |
| // Concatenate all available addresses, comma separated |
| String addresses = ""; |
| while (iter.hasNext()) { |
| addresses += iter.next().getHostAddress(); |
| if (iter.hasNext()) addresses += "\n"; |
| } |
| return addresses; |
| } |
| |
| public static Locale createLocaleFromString(String localeStr) { |
| // TODO: is there a better way to actually construct a locale that will match? |
| // The main problem is, on top of Java specs, locale.toString() and |
| // new Locale(locale.toString()).toString() do not return equal() strings in |
| // many cases, because the constructor takes the only string as the language |
| // code. So : new Locale("en", "US").toString() => "en_US" |
| // And : new Locale("en_US").toString() => "en_us" |
| if (null == localeStr) |
| return Locale.getDefault(); |
| String[] brokenDownLocale = localeStr.split("_", 3); |
| // split may not return a 0-length array. |
| if (1 == brokenDownLocale.length) { |
| return new Locale(brokenDownLocale[0]); |
| } else if (2 == brokenDownLocale.length) { |
| return new Locale(brokenDownLocale[0], brokenDownLocale[1]); |
| } else { |
| return new Locale(brokenDownLocale[0], brokenDownLocale[1], brokenDownLocale[2]); |
| } |
| } |
| |
| public static boolean isBatteryPresent(Intent batteryChangedIntent) { |
| return batteryChangedIntent.getBooleanExtra(BatteryManager.EXTRA_PRESENT, true); |
| } |
| |
| public static String getBatteryPercentage(Intent batteryChangedIntent) { |
| return formatPercentage(getBatteryLevel(batteryChangedIntent)); |
| } |
| |
| /** |
| * Prepare a custom preferences layout, moving padding to {@link ListView} |
| * when outside scrollbars are requested. Usually used to display |
| * {@link ListView} and {@link TabWidget} with correct padding. |
| */ |
| public static void prepareCustomPreferencesList( |
| ViewGroup parent, View child, View list, boolean ignoreSidePadding) { |
| final boolean movePadding = list.getScrollBarStyle() == View.SCROLLBARS_OUTSIDE_OVERLAY; |
| if (movePadding) { |
| final Resources res = list.getResources(); |
| final int paddingSide = res.getDimensionPixelSize(R.dimen.settings_side_margin); |
| final int paddingBottom = res.getDimensionPixelSize( |
| com.android.internal.R.dimen.preference_fragment_padding_bottom); |
| |
| if (parent instanceof PreferenceFrameLayout) { |
| ((PreferenceFrameLayout.LayoutParams) child.getLayoutParams()).removeBorders = true; |
| |
| final int effectivePaddingSide = ignoreSidePadding ? 0 : paddingSide; |
| list.setPaddingRelative(effectivePaddingSide, 0, effectivePaddingSide, paddingBottom); |
| } else { |
| list.setPaddingRelative(paddingSide, 0, paddingSide, paddingBottom); |
| } |
| } |
| } |
| |
| public static void forceCustomPadding(View view, boolean additive) { |
| final Resources res = view.getResources(); |
| final int paddingSide = res.getDimensionPixelSize(R.dimen.settings_side_margin); |
| |
| final int paddingStart = paddingSide + (additive ? view.getPaddingStart() : 0); |
| final int paddingEnd = paddingSide + (additive ? view.getPaddingEnd() : 0); |
| final int paddingBottom = res.getDimensionPixelSize( |
| com.android.internal.R.dimen.preference_fragment_padding_bottom); |
| |
| view.setPaddingRelative(paddingStart, 0, paddingEnd, paddingBottom); |
| } |
| |
| /* Used by UserSettings as well. Call this on a non-ui thread. */ |
| public static void copyMeProfilePhoto(Context context, UserInfo user) { |
| Uri contactUri = Profile.CONTENT_URI; |
| |
| int userId = user != null ? user.id : UserHandle.myUserId(); |
| |
| InputStream avatarDataStream = Contacts.openContactPhotoInputStream( |
| context.getContentResolver(), |
| contactUri, true); |
| // If there's no profile photo, assign a default avatar |
| if (avatarDataStream == null) { |
| assignDefaultPhoto(context, userId); |
| return; |
| } |
| |
| UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE); |
| Bitmap icon = BitmapFactory.decodeStream(avatarDataStream); |
| um.setUserIcon(userId, icon); |
| try { |
| avatarDataStream.close(); |
| } catch (IOException ioe) { } |
| } |
| |
| /** |
| * Assign the default photo to user with {@paramref userId} |
| * @param context used to get the {@link UserManager} |
| * @param userId used to get the icon bitmap |
| * @return true if assign photo successfully, false if failed |
| */ |
| public static boolean assignDefaultPhoto(Context context, int userId) { |
| if (context == null) { |
| return false; |
| } |
| UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE); |
| Bitmap bitmap = getDefaultUserIconAsBitmap(userId); |
| um.setUserIcon(userId, bitmap); |
| |
| return true; |
| } |
| |
| public static String getMeProfileName(Context context, boolean full) { |
| if (full) { |
| return getProfileDisplayName(context); |
| } else { |
| return getShorterNameIfPossible(context); |
| } |
| } |
| |
| private static String getShorterNameIfPossible(Context context) { |
| final String given = getLocalProfileGivenName(context); |
| return !TextUtils.isEmpty(given) ? given : getProfileDisplayName(context); |
| } |
| |
| private static String getLocalProfileGivenName(Context context) { |
| final ContentResolver cr = context.getContentResolver(); |
| |
| // Find the raw contact ID for the local ME profile raw contact. |
| final long localRowProfileId; |
| final Cursor localRawProfile = cr.query( |
| Profile.CONTENT_RAW_CONTACTS_URI, |
| new String[] {RawContacts._ID}, |
| RawContacts.ACCOUNT_TYPE + " IS NULL AND " + |
| RawContacts.ACCOUNT_NAME + " IS NULL", |
| null, null); |
| if (localRawProfile == null) return null; |
| |
| try { |
| if (!localRawProfile.moveToFirst()) { |
| return null; |
| } |
| localRowProfileId = localRawProfile.getLong(0); |
| } finally { |
| localRawProfile.close(); |
| } |
| |
| // Find the structured name for the raw contact. |
| final Cursor structuredName = cr.query( |
| Profile.CONTENT_URI.buildUpon().appendPath(Contacts.Data.CONTENT_DIRECTORY).build(), |
| new String[] {CommonDataKinds.StructuredName.GIVEN_NAME, |
| CommonDataKinds.StructuredName.FAMILY_NAME}, |
| Data.RAW_CONTACT_ID + "=" + localRowProfileId, |
| null, null); |
| if (structuredName == null) return null; |
| |
| try { |
| if (!structuredName.moveToFirst()) { |
| return null; |
| } |
| String partialName = structuredName.getString(0); |
| if (TextUtils.isEmpty(partialName)) { |
| partialName = structuredName.getString(1); |
| } |
| return partialName; |
| } finally { |
| structuredName.close(); |
| } |
| } |
| |
| private static final String getProfileDisplayName(Context context) { |
| final ContentResolver cr = context.getContentResolver(); |
| final Cursor profile = cr.query(Profile.CONTENT_URI, |
| new String[] {Profile.DISPLAY_NAME}, null, null, null); |
| if (profile == null) return null; |
| |
| try { |
| if (!profile.moveToFirst()) { |
| return null; |
| } |
| return profile.getString(0); |
| } finally { |
| profile.close(); |
| } |
| } |
| |
| /** Not global warming, it's global change warning. */ |
| public static Dialog buildGlobalChangeWarningDialog(final Context context, int titleResId, |
| final Runnable positiveAction) { |
| final AlertDialog.Builder builder = new AlertDialog.Builder(context); |
| builder.setTitle(titleResId); |
| builder.setMessage(R.string.global_change_warning); |
| builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| positiveAction.run(); |
| } |
| }); |
| builder.setNegativeButton(android.R.string.cancel, null); |
| |
| return builder.create(); |
| } |
| |
| public static boolean hasMultipleUsers(Context context) { |
| return ((UserManager) context.getSystemService(Context.USER_SERVICE)) |
| .getUsers().size() > 1; |
| } |
| |
| /** |
| * Start a new instance of the activity, showing only the given fragment. |
| * When launched in this mode, the given preference fragment will be instantiated and fill the |
| * entire activity. |
| * |
| * @param context The context. |
| * @param fragmentName The name of the fragment to display. |
| * @param args Optional arguments to supply to the fragment. |
| * @param resultTo Option fragment that should receive the result of the activity launch. |
| * @param resultRequestCode If resultTo is non-null, this is the request code in which |
| * to report the result. |
| * @param titleResId resource id for the String to display for the title of this set |
| * of preferences. |
| * @param title String to display for the title of this set of preferences. |
| * @param metricsCategory The current metricsCategory for logging source when fragment starts |
| */ |
| public static void startWithFragment(Context context, String fragmentName, Bundle args, |
| Fragment resultTo, int resultRequestCode, int titleResId, |
| CharSequence title, int metricsCategory) { |
| startWithFragment(context, fragmentName, args, resultTo, resultRequestCode, |
| null /* titleResPackageName */, titleResId, title, false /* not a shortcut */, |
| metricsCategory); |
| } |
| |
| /** |
| * Start a new instance of the activity, showing only the given fragment. |
| * When launched in this mode, the given preference fragment will be instantiated and fill the |
| * entire activity. |
| * |
| * @param context The context. |
| * @param fragmentName The name of the fragment to display. |
| * @param args Optional arguments to supply to the fragment. |
| * @param resultTo Option fragment that should receive the result of the activity launch. |
| * @param resultRequestCode If resultTo is non-null, this is the request code in which |
| * to report the result. |
| * @param titleResPackageName Optional package name for the resource id of the title. |
| * @param titleResId resource id for the String to display for the title of this set |
| * of preferences. |
| * @param title String to display for the title of this set of preferences. |
| * @param metricsCategory The current metricsCategory for logging source when fragment starts |
| */ |
| public static void startWithFragment(Context context, String fragmentName, Bundle args, |
| Fragment resultTo, int resultRequestCode, String titleResPackageName, int titleResId, |
| CharSequence title, int metricsCategory) { |
| startWithFragment(context, fragmentName, args, resultTo, resultRequestCode, |
| titleResPackageName, titleResId, title, false /* not a shortcut */, |
| metricsCategory); |
| } |
| |
| public static void startWithFragment(Context context, String fragmentName, Bundle args, |
| Fragment resultTo, int resultRequestCode, int titleResId, |
| CharSequence title, boolean isShortcut, int metricsCategory) { |
| Intent intent = onBuildStartFragmentIntent(context, fragmentName, args, |
| null /* titleResPackageName */, titleResId, title, isShortcut, metricsCategory); |
| if (resultTo == null) { |
| context.startActivity(intent); |
| } else { |
| resultTo.getActivity().startActivityForResult(intent, resultRequestCode); |
| } |
| } |
| |
| public static void startWithFragment(Context context, String fragmentName, Bundle args, |
| Fragment resultTo, int resultRequestCode, String titleResPackageName, int titleResId, |
| CharSequence title, boolean isShortcut, int metricsCategory) { |
| Intent intent = onBuildStartFragmentIntent(context, fragmentName, args, titleResPackageName, |
| titleResId, title, isShortcut, metricsCategory); |
| if (resultTo == null) { |
| context.startActivity(intent); |
| } else { |
| resultTo.startActivityForResult(intent, resultRequestCode); |
| } |
| } |
| |
| public static void startWithFragmentAsUser(Context context, String fragmentName, Bundle args, |
| int titleResId, CharSequence title, boolean isShortcut, int metricsCategory, |
| UserHandle userHandle) { |
| // workaround to avoid crash in b/17523189 |
| if (userHandle.getIdentifier() == UserHandle.myUserId()) { |
| startWithFragment(context, fragmentName, args, null, 0, titleResId, title, isShortcut, |
| metricsCategory); |
| } else { |
| Intent intent = onBuildStartFragmentIntent(context, fragmentName, args, |
| null /* titleResPackageName */, titleResId, title, isShortcut, metricsCategory); |
| intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK); |
| context.startActivityAsUser(intent, userHandle); |
| } |
| } |
| |
| /** |
| * Build an Intent to launch a new activity showing the selected fragment. |
| * The implementation constructs an Intent that re-launches the current activity with the |
| * appropriate arguments to display the fragment. |
| * |
| * |
| * @param context The Context. |
| * @param fragmentName The name of the fragment to display. |
| * @param args Optional arguments to supply to the fragment. |
| * @param titleResPackageName Optional package name for the resource id of the title. |
| * @param titleResId Optional title resource id to show for this item. |
| * @param title Optional title to show for this item. |
| * @param isShortcut tell if this is a Launcher Shortcut or not |
| * @param sourceMetricsCategory The context (source) from which an action is performed |
| * @return Returns an Intent that can be launched to display the given |
| * fragment. |
| */ |
| public static Intent onBuildStartFragmentIntent(Context context, String fragmentName, |
| Bundle args, String titleResPackageName, int titleResId, CharSequence title, |
| boolean isShortcut, int sourceMetricsCategory) { |
| Intent intent = new Intent(Intent.ACTION_MAIN); |
| intent.setClass(context, SubSettings.class); |
| intent.putExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT, fragmentName); |
| intent.putExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_ARGUMENTS, args); |
| intent.putExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_TITLE_RES_PACKAGE_NAME, |
| titleResPackageName); |
| intent.putExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_TITLE_RESID, titleResId); |
| intent.putExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_TITLE, title); |
| intent.putExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_AS_SHORTCUT, isShortcut); |
| intent.putExtra(SettingsActivity.EXTRA_SOURCE_METRICS_CATEGORY, sourceMetricsCategory); |
| return intent; |
| } |
| |
| /** |
| * Returns the managed profile of the current user or {@code null} if none is found or a profile |
| * exists but it is disabled. |
| */ |
| public static UserHandle getManagedProfile(UserManager userManager) { |
| List<UserHandle> userProfiles = userManager.getUserProfiles(); |
| final int count = userProfiles.size(); |
| for (int i = 0; i < count; i++) { |
| final UserHandle profile = userProfiles.get(i); |
| if (profile.getIdentifier() == userManager.getUserHandle()) { |
| continue; |
| } |
| final UserInfo userInfo = userManager.getUserInfo(profile.getIdentifier()); |
| if (userInfo.isManagedProfile()) { |
| return profile; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the managed profile of the current user or {@code null} if none is found. Unlike |
| * {@link #getManagedProfile} this method returns enabled and disabled managed profiles. |
| */ |
| public static UserHandle getManagedProfileWithDisabled(UserManager userManager) { |
| // TODO: Call getManagedProfileId from here once Robolectric supports |
| // API level 24 and UserManager.getProfileIdsWithDisabled can be Mocked (to avoid having |
| // yet another implementation that loops over user profiles in this method). In the meantime |
| // we need to use UserManager.getProfiles that is available on API 23 (the one currently |
| // used for Settings Robolectric tests). |
| final int myUserId = UserHandle.myUserId(); |
| List<UserInfo> profiles = userManager.getProfiles(myUserId); |
| final int count = profiles.size(); |
| for (int i = 0; i < count; i++) { |
| final UserInfo profile = profiles.get(i); |
| if (profile.isManagedProfile() |
| && profile.getUserHandle().getIdentifier() != myUserId) { |
| return profile.getUserHandle(); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Retrieves the id for the given user's managed profile. |
| * |
| * @return the managed profile id or UserHandle.USER_NULL if there is none. |
| */ |
| public static int getManagedProfileId(UserManager um, int parentUserId) { |
| int[] profileIds = um.getProfileIdsWithDisabled(parentUserId); |
| for (int profileId : profileIds) { |
| if (profileId != parentUserId) { |
| return profileId; |
| } |
| } |
| return UserHandle.USER_NULL; |
| } |
| |
| /** |
| * Returns the target user for a Settings activity. |
| * <p> |
| * User would be retrieved in this order: |
| * <ul> |
| * <li> If this activity is launched from other user, return that user id. |
| * <li> If this is launched from the Settings app in same user, return the user contained as an |
| * extra in the arguments or intent extras. |
| * <li> Otherwise, return UserHandle.myUserId(). |
| * </ul> |
| * <p> |
| * Note: This is secure in the sense that it only returns a target user different to the current |
| * one if the app launching this activity is the Settings app itself, running in the same user |
| * or in one that is in the same profile group, or if the user id is provided by the system. |
| */ |
| public static UserHandle getSecureTargetUser(IBinder activityToken, |
| UserManager um, @Nullable Bundle arguments, @Nullable Bundle intentExtras) { |
| UserHandle currentUser = new UserHandle(UserHandle.myUserId()); |
| IActivityManager am = ActivityManager.getService(); |
| try { |
| String launchedFromPackage = am.getLaunchedFromPackage(activityToken); |
| boolean launchedFromSettingsApp = SETTINGS_PACKAGE_NAME.equals(launchedFromPackage); |
| |
| UserHandle launchedFromUser = new UserHandle(UserHandle.getUserId( |
| am.getLaunchedFromUid(activityToken))); |
| if (launchedFromUser != null && !launchedFromUser.equals(currentUser)) { |
| // Check it's secure |
| if (isProfileOf(um, launchedFromUser)) { |
| return launchedFromUser; |
| } |
| } |
| UserHandle extrasUser = getUserHandleFromBundle(intentExtras); |
| if (extrasUser != null && !extrasUser.equals(currentUser)) { |
| // Check it's secure |
| if (launchedFromSettingsApp && isProfileOf(um, extrasUser)) { |
| return extrasUser; |
| } |
| } |
| UserHandle argumentsUser = getUserHandleFromBundle(arguments); |
| if (argumentsUser != null && !argumentsUser.equals(currentUser)) { |
| // Check it's secure |
| if (launchedFromSettingsApp && isProfileOf(um, argumentsUser)) { |
| return argumentsUser; |
| } |
| } |
| } catch (RemoteException e) { |
| // Should not happen |
| Log.v(TAG, "Could not talk to activity manager.", e); |
| } |
| return currentUser; |
| } |
| |
| /** |
| * Lookup both {@link Intent#EXTRA_USER} and {@link Intent#EXTRA_USER_ID} in the bundle |
| * and return the {@link UserHandle} object. Return {@code null} if nothing is found. |
| */ |
| private static @Nullable UserHandle getUserHandleFromBundle(Bundle bundle) { |
| if (bundle == null) { |
| return null; |
| } |
| final UserHandle user = bundle.getParcelable(EXTRA_USER); |
| if (user != null) { |
| return user; |
| } |
| final int userId = bundle.getInt(EXTRA_USER_ID, -1); |
| if (userId != -1) { |
| return UserHandle.of(userId); |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the target user for a Settings activity. |
| * |
| * The target user can be either the current user, the user that launched this activity or |
| * the user contained as an extra in the arguments or intent extras. |
| * |
| * You should use {@link #getSecureTargetUser(IBinder, UserManager, Bundle, Bundle)} if |
| * possible. |
| * |
| * @see #getInsecureTargetUser(IBinder, Bundle, Bundle) |
| */ |
| public static UserHandle getInsecureTargetUser(IBinder activityToken, @Nullable Bundle arguments, |
| @Nullable Bundle intentExtras) { |
| UserHandle currentUser = new UserHandle(UserHandle.myUserId()); |
| IActivityManager am = ActivityManager.getService(); |
| try { |
| UserHandle launchedFromUser = new UserHandle(UserHandle.getUserId( |
| am.getLaunchedFromUid(activityToken))); |
| if (launchedFromUser != null && !launchedFromUser.equals(currentUser)) { |
| return launchedFromUser; |
| } |
| UserHandle extrasUser = intentExtras != null |
| ? (UserHandle) intentExtras.getParcelable(EXTRA_USER) : null; |
| if (extrasUser != null && !extrasUser.equals(currentUser)) { |
| return extrasUser; |
| } |
| UserHandle argumentsUser = arguments != null |
| ? (UserHandle) arguments.getParcelable(EXTRA_USER) : null; |
| if (argumentsUser != null && !argumentsUser.equals(currentUser)) { |
| return argumentsUser; |
| } |
| } catch (RemoteException e) { |
| // Should not happen |
| Log.v(TAG, "Could not talk to activity manager.", e); |
| return null; |
| } |
| return currentUser; |
| } |
| |
| /** |
| * Returns true if the user provided is in the same profiles group as the current user. |
| */ |
| private static boolean isProfileOf(UserManager um, UserHandle otherUser) { |
| if (um == null || otherUser == null) return false; |
| return (UserHandle.myUserId() == otherUser.getIdentifier()) |
| || um.getUserProfiles().contains(otherUser); |
| } |
| |
| /** |
| * Return whether or not the user should have a SIM Cards option in Settings. |
| * TODO: Change back to returning true if count is greater than one after testing. |
| * TODO: See bug 16533525. |
| */ |
| public static boolean showSimCardTile(Context context) { |
| final TelephonyManager tm = |
| (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); |
| |
| return tm.getSimCount() > 1; |
| } |
| |
| /** |
| * Returns elapsed time for the given millis, in the following format: |
| * 2d 5h 40m 29s |
| * @param context the application context |
| * @param millis the elapsed time in milli seconds |
| * @param withSeconds include seconds? |
| * @return the formatted elapsed time |
| */ |
| public static CharSequence formatElapsedTime(Context context, double millis, |
| boolean withSeconds) { |
| SpannableStringBuilder sb = new SpannableStringBuilder(); |
| int seconds = (int) Math.floor(millis / 1000); |
| if (!withSeconds) { |
| // Round up. |
| seconds += 30; |
| } |
| |
| int days = 0, hours = 0, minutes = 0; |
| if (seconds >= SECONDS_PER_DAY) { |
| days = seconds / SECONDS_PER_DAY; |
| seconds -= days * SECONDS_PER_DAY; |
| } |
| if (seconds >= SECONDS_PER_HOUR) { |
| hours = seconds / SECONDS_PER_HOUR; |
| seconds -= hours * SECONDS_PER_HOUR; |
| } |
| if (seconds >= SECONDS_PER_MINUTE) { |
| minutes = seconds / SECONDS_PER_MINUTE; |
| seconds -= minutes * SECONDS_PER_MINUTE; |
| } |
| if (withSeconds) { |
| if (days > 0) { |
| sb.append(context.getString(R.string.battery_history_days, |
| days, hours, minutes, seconds)); |
| } else if (hours > 0) { |
| sb.append(context.getString(R.string.battery_history_hours, |
| hours, minutes, seconds)); |
| } else if (minutes > 0) { |
| sb.append(context.getString(R.string.battery_history_minutes, minutes, seconds)); |
| } else { |
| sb.append(context.getString(R.string.battery_history_seconds, seconds)); |
| } |
| } else { |
| if (days > 0) { |
| sb.append(context.getString(R.string.battery_history_days_no_seconds, |
| days, hours, minutes)); |
| } else if (hours > 0) { |
| sb.append(context.getString(R.string.battery_history_hours_no_seconds, |
| hours, minutes)); |
| } else { |
| sb.append(context.getString(R.string.battery_history_minutes_no_seconds, minutes)); |
| |
| // Add ttsSpan if it only have minute value, because it will be read as "meters" |
| TtsSpan ttsSpan = new TtsSpan.MeasureBuilder().setNumber(minutes) |
| .setUnit("minute").build(); |
| sb.setSpan(ttsSpan, 0, sb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); |
| } |
| } |
| |
| return sb; |
| } |
| |
| /** |
| * Queries for the UserInfo of a user. Returns null if the user doesn't exist (was removed). |
| * @param userManager Instance of UserManager |
| * @param checkUser The user to check the existence of. |
| * @return UserInfo of the user or null for non-existent user. |
| */ |
| public static UserInfo getExistingUser(UserManager userManager, UserHandle checkUser) { |
| final List<UserInfo> users = userManager.getUsers(true /* excludeDying */); |
| final int checkUserId = checkUser.getIdentifier(); |
| for (UserInfo user : users) { |
| if (user.id == checkUserId) { |
| return user; |
| } |
| } |
| return null; |
| } |
| |
| public static View inflateCategoryHeader(LayoutInflater inflater, ViewGroup parent) { |
| final TypedArray a = inflater.getContext().obtainStyledAttributes(null, |
| com.android.internal.R.styleable.Preference, |
| com.android.internal.R.attr.preferenceCategoryStyle, 0); |
| final int resId = a.getResourceId(com.android.internal.R.styleable.Preference_layout, |
| 0); |
| a.recycle(); |
| return inflater.inflate(resId, parent, false); |
| } |
| |
| /** |
| * Return if we are running low on storage space or not. |
| * |
| * @param context The context |
| * @return true if we are running low on storage space |
| */ |
| public static boolean isLowStorage(Context context) { |
| final StorageManager sm = StorageManager.from(context); |
| return (sm.getStorageBytesUntilLow(context.getFilesDir()) < 0); |
| } |
| |
| /** |
| * Returns a default user icon (as a {@link Bitmap}) for the given user. |
| * |
| * Note that for guest users, you should pass in {@code UserHandle.USER_NULL}. |
| * @param userId the user id or {@code UserHandle.USER_NULL} for a non-user specific icon |
| */ |
| public static Bitmap getDefaultUserIconAsBitmap(int userId) { |
| Bitmap bitmap = null; |
| // Try finding the corresponding bitmap in the dark bitmap cache |
| bitmap = sDarkDefaultUserBitmapCache.get(userId); |
| if (bitmap == null) { |
| bitmap = UserIcons.convertToBitmap(UserIcons.getDefaultUserIcon(userId, false)); |
| // Save it to cache |
| sDarkDefaultUserBitmapCache.put(userId, bitmap); |
| } |
| return bitmap; |
| } |
| |
| public static boolean hasPreferredActivities(PackageManager pm, String packageName) { |
| // Get list of preferred activities |
| List<ComponentName> prefActList = new ArrayList<>(); |
| // Intent list cannot be null. so pass empty list |
| List<IntentFilter> intentList = new ArrayList<>(); |
| pm.getPreferredActivities(intentList, prefActList, packageName); |
| Log.d(TAG, "Have " + prefActList.size() + " number of activities in preferred list"); |
| return prefActList.size() > 0; |
| } |
| |
| public static ArraySet<String> getHandledDomains(PackageManager pm, String packageName) { |
| List<IntentFilterVerificationInfo> iviList = pm.getIntentFilterVerifications(packageName); |
| List<IntentFilter> filters = pm.getAllIntentFilters(packageName); |
| |
| ArraySet<String> result = new ArraySet<>(); |
| if (iviList.size() > 0) { |
| for (IntentFilterVerificationInfo ivi : iviList) { |
| for (String host : ivi.getDomains()) { |
| result.add(host); |
| } |
| } |
| } |
| if (filters != null && filters.size() > 0) { |
| for (IntentFilter filter : filters) { |
| if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) |
| && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || |
| filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { |
| result.addAll(filter.getHostsList()); |
| } |
| } |
| } |
| return result; |
| } |
| |
| public static void handleLoadingContainer(View loading, View doneLoading, boolean done, |
| boolean animate) { |
| setViewShown(loading, !done, animate); |
| setViewShown(doneLoading, done, animate); |
| } |
| |
| private static void setViewShown(final View view, boolean shown, boolean animate) { |
| if (animate) { |
| Animation animation = AnimationUtils.loadAnimation(view.getContext(), |
| shown ? android.R.anim.fade_in : android.R.anim.fade_out); |
| if (shown) { |
| view.setVisibility(View.VISIBLE); |
| } else { |
| animation.setAnimationListener(new AnimationListener() { |
| @Override |
| public void onAnimationStart(Animation animation) { |
| } |
| |
| @Override |
| public void onAnimationRepeat(Animation animation) { |
| } |
| |
| @Override |
| public void onAnimationEnd(Animation animation) { |
| view.setVisibility(View.INVISIBLE); |
| } |
| }); |
| } |
| view.startAnimation(animation); |
| } else { |
| view.clearAnimation(); |
| view.setVisibility(shown ? View.VISIBLE : View.INVISIBLE); |
| } |
| } |
| |
| /** |
| * Returns the application info of the currently installed MDM package. |
| */ |
| public static ApplicationInfo getAdminApplicationInfo(Context context, int profileId) { |
| DevicePolicyManager dpm = |
| (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE); |
| ComponentName mdmPackage = dpm.getProfileOwnerAsUser(profileId); |
| if (mdmPackage == null) { |
| return null; |
| } |
| String mdmPackageName = mdmPackage.getPackageName(); |
| try { |
| IPackageManager ipm = AppGlobals.getPackageManager(); |
| ApplicationInfo mdmApplicationInfo = |
| ipm.getApplicationInfo(mdmPackageName, 0, profileId); |
| return mdmApplicationInfo; |
| } catch (RemoteException e) { |
| Log.e(TAG, "Error while retrieving application info for package " + mdmPackageName |
| + ", userId " + profileId, e); |
| return null; |
| } |
| } |
| |
| public static boolean isBandwidthControlEnabled() { |
| final INetworkManagementService netManager = INetworkManagementService.Stub |
| .asInterface(ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE)); |
| try { |
| return netManager.isBandwidthControlEnabled(); |
| } catch (RemoteException e) { |
| return false; |
| } |
| } |
| |
| /** |
| * Returns an accessible SpannableString. |
| * @param displayText the text to display |
| * @param accessibileText the text text-to-speech engines should read |
| */ |
| public static SpannableString createAccessibleSequence(CharSequence displayText, |
| String accessibileText) { |
| SpannableString str = new SpannableString(displayText); |
| str.setSpan(new TtsSpan.TextBuilder(accessibileText).build(), 0, |
| displayText.length(), |
| Spannable.SPAN_INCLUSIVE_INCLUSIVE); |
| return str; |
| } |
| |
| /** |
| * Returns the user id present in the bundle with {@link Intent#EXTRA_USER_ID} if it |
| * belongs to the current user. |
| * |
| * @throws SecurityException if the given userId does not belong to the current user group. |
| */ |
| public static int getUserIdFromBundle(Context context, Bundle bundle) { |
| if (bundle == null) { |
| return getCredentialOwnerUserId(context); |
| } |
| int userId = bundle.getInt(Intent.EXTRA_USER_ID, UserHandle.myUserId()); |
| return enforceSameOwner(context, userId); |
| } |
| |
| /** |
| * Returns the given user id if it belongs to the current user. |
| * |
| * @throws SecurityException if the given userId does not belong to the current user group. |
| */ |
| public static int enforceSameOwner(Context context, int userId) { |
| final UserManager um = getUserManager(context); |
| final int[] profileIds = um.getProfileIdsWithDisabled(UserHandle.myUserId()); |
| if (ArrayUtils.contains(profileIds, userId)) { |
| return userId; |
| } |
| throw new SecurityException("Given user id " + userId + " does not belong to user " |
| + UserHandle.myUserId()); |
| } |
| |
| /** |
| * Returns the effective credential owner of the calling user. |
| */ |
| public static int getCredentialOwnerUserId(Context context) { |
| return getCredentialOwnerUserId(context, UserHandle.myUserId()); |
| } |
| |
| /** |
| * Returns the user id of the credential owner of the given user id. |
| */ |
| public static int getCredentialOwnerUserId(Context context, int userId) { |
| UserManager um = getUserManager(context); |
| return um.getCredentialOwnerProfile(userId); |
| } |
| |
| public static int resolveResource(Context context, int attr) { |
| TypedValue value = new TypedValue(); |
| context.getTheme().resolveAttribute(attr, value, true); |
| return value.resourceId; |
| } |
| |
| private static final StringBuilder sBuilder = new StringBuilder(50); |
| private static final java.util.Formatter sFormatter = new java.util.Formatter( |
| sBuilder, Locale.getDefault()); |
| |
| public static String formatDateRange(Context context, long start, long end) { |
| final int flags = FORMAT_SHOW_DATE | FORMAT_ABBREV_MONTH; |
| |
| synchronized (sBuilder) { |
| sBuilder.setLength(0); |
| return DateUtils.formatDateRange(context, sFormatter, start, end, flags, null) |
| .toString(); |
| } |
| } |
| |
| public static List<String> getNonIndexable(int xml, Context context) { |
| if (Looper.myLooper() == null) { |
| // Hack to make sure Preferences can initialize. Prefs expect a looper, but |
| // don't actually use it for the basic stuff here. |
| Looper.prepare(); |
| } |
| final List<String> ret = new ArrayList<>(); |
| PreferenceManager manager = new PreferenceManager(context); |
| PreferenceScreen screen = manager.inflateFromResource(context, xml, null); |
| checkPrefs(screen, ret); |
| |
| return ret; |
| } |
| |
| private static void checkPrefs(PreferenceGroup group, List<String> ret) { |
| if (group == null) return; |
| for (int i = 0; i < group.getPreferenceCount(); i++) { |
| Preference pref = group.getPreference(i); |
| if (pref instanceof SelfAvailablePreference |
| && !((SelfAvailablePreference) pref).isAvailable(group.getContext())) { |
| ret.add(pref.getKey()); |
| if (pref instanceof PreferenceGroup) { |
| addAll((PreferenceGroup) pref, ret); |
| } |
| } else if (pref instanceof PreferenceGroup) { |
| checkPrefs((PreferenceGroup) pref, ret); |
| } |
| } |
| } |
| |
| private static void addAll(PreferenceGroup group, List<String> ret) { |
| if (group == null) return; |
| for (int i = 0; i < group.getPreferenceCount(); i++) { |
| Preference pref = group.getPreference(i); |
| ret.add(pref.getKey()); |
| if (pref instanceof PreferenceGroup) { |
| addAll((PreferenceGroup) pref, ret); |
| } |
| } |
| } |
| |
| public static boolean isDeviceProvisioned(Context context) { |
| return Settings.Global.getInt(context.getContentResolver(), |
| Settings.Global.DEVICE_PROVISIONED, 0) != 0; |
| } |
| |
| public static boolean startQuietModeDialogIfNecessary(Context context, UserManager um, |
| int userId) { |
| if (um.isQuietModeEnabled(UserHandle.of(userId))) { |
| final Intent intent = UnlaunchableAppActivity.createInQuietModeDialogIntent(userId); |
| context.startActivity(intent); |
| return true; |
| } |
| return false; |
| } |
| |
| public static boolean unlockWorkProfileIfNecessary(Context context, int userId) { |
| try { |
| if (!ActivityManager.getService().isUserRunning(userId, |
| ActivityManager.FLAG_AND_LOCKED)) { |
| return false; |
| } |
| } catch (RemoteException e) { |
| return false; |
| } |
| if (!(new LockPatternUtils(context)).isSecure(userId)) { |
| return false; |
| } |
| return confirmWorkProfileCredentials(context, userId); |
| } |
| |
| public static boolean confirmWorkProfileCredentialsIfNecessary(Context context, int userId) { |
| KeyguardManager km = (KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE); |
| if (!km.isDeviceLocked(userId)) { |
| return false; |
| } |
| return confirmWorkProfileCredentials(context, userId); |
| } |
| |
| private static boolean confirmWorkProfileCredentials(Context context, int userId) { |
| final KeyguardManager km = (KeyguardManager) context.getSystemService( |
| Context.KEYGUARD_SERVICE); |
| final Intent unlockIntent = km.createConfirmDeviceCredentialIntent(null, null, userId); |
| if (unlockIntent != null) { |
| context.startActivity(unlockIntent); |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| public static CharSequence getApplicationLabel(Context context, String packageName) { |
| try { |
| final ApplicationInfo appInfo = context.getPackageManager().getApplicationInfo( |
| packageName, |
| PackageManager.MATCH_DISABLED_COMPONENTS |
| | PackageManager.MATCH_ANY_USER); |
| return appInfo.loadLabel(context.getPackageManager()); |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.w(TAG, "Unable to find info for package: " + packageName); |
| } |
| return null; |
| } |
| |
| public static boolean isPackageDirectBootAware(Context context, String packageName) { |
| try { |
| final ApplicationInfo ai = context.getPackageManager().getApplicationInfo( |
| packageName, 0); |
| return ai.isDirectBootAware() || ai.isPartiallyDirectBootAware(); |
| } catch (NameNotFoundException ignored) { |
| } |
| return false; |
| } |
| |
| /** |
| * Returns a context created from the given context for the given user, or null if it fails |
| */ |
| public static Context createPackageContextAsUser(Context context, int userId) { |
| try { |
| return context.createPackageContextAsUser( |
| context.getPackageName(), 0 /* flags */, UserHandle.of(userId)); |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.e(TAG, "Failed to create user context", e); |
| } |
| return null; |
| } |
| |
| public static FingerprintManager getFingerprintManagerOrNull(Context context) { |
| if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_FINGERPRINT)) { |
| return context.getSystemService(FingerprintManager.class); |
| } else { |
| return null; |
| } |
| } |
| |
| public static IFingerprintManager getFingerprintManagerWrapperOrNull(Context context) { |
| FingerprintManager fingerprintManager = getFingerprintManagerOrNull(context); |
| if (fingerprintManager != null) { |
| return new FingerprintManagerWrapper(fingerprintManager); |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * Launches an intent which may optionally have a user id defined. |
| * @param fragment Fragment to use to launch the activity. |
| * @param intent Intent to launch. |
| */ |
| public static void launchIntent(Fragment fragment, Intent intent) { |
| try { |
| final int userId = intent.getIntExtra(Intent.EXTRA_USER_ID, -1); |
| |
| if (userId == -1) { |
| fragment.startActivity(intent); |
| } else { |
| fragment.getActivity().startActivityAsUser(intent, new UserHandle(userId)); |
| } |
| } catch (ActivityNotFoundException e) { |
| Log.w(TAG, "No activity found for " + intent); |
| } |
| } |
| |
| public static boolean isCarrierDemoUser(Context context) { |
| final String carrierDemoModeSetting = |
| context.getString(com.android.internal.R.string.config_carrierDemoModeSetting); |
| return UserManager.isDeviceInDemoMode(context) |
| && getUserManager(context).isDemoUser() |
| && !TextUtils.isEmpty(carrierDemoModeSetting) |
| && (Settings.Secure.getInt(context.getContentResolver(), |
| carrierDemoModeSetting, 0) == 1); |
| } |
| |
| /** |
| * Returns if a given user is a profile of another user. |
| * @param user The user whose profiles will be checked. |
| * @param profile The (potential) profile. |
| * @return if the profile is actually a profile |
| */ |
| public static boolean isProfileOf(UserInfo user, UserInfo profile) { |
| return user.id == profile.id || |
| (user.profileGroupId != UserInfo.NO_PROFILE_GROUP_ID |
| && user.profileGroupId == profile.profileGroupId); |
| } |
| |
| /** |
| * Tries to initalize a volume with the given bundle. If it is a valid, private, and readable |
| * {@link VolumeInfo}, it is returned. If it is not valid, null is returned. |
| */ |
| @Nullable |
| public static VolumeInfo maybeInitializeVolume(StorageManager sm, Bundle bundle) { |
| final String volumeId = bundle.getString(VolumeInfo.EXTRA_VOLUME_ID, |
| VolumeInfo.ID_PRIVATE_INTERNAL); |
| VolumeInfo volume = sm.findVolumeById(volumeId); |
| return isVolumeValid(volume) ? volume : null; |
| } |
| |
| /** |
| * Return the resource id to represent the install status for an app |
| */ |
| @StringRes |
| public static int getInstallationStatus(ApplicationInfo info) { |
| if ((info.flags & ApplicationInfo.FLAG_INSTALLED) == 0) { |
| return R.string.not_installed; |
| } |
| return info.enabled ? R.string.installed : R.string.disabled; |
| } |
| |
| private static boolean isVolumeValid(VolumeInfo volume) { |
| return (volume != null) && (volume.getType() == VolumeInfo.TYPE_PRIVATE) |
| && volume.isMountedReadable(); |
| } |
| |
| } |
