| /** |
| * 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 android.app.Activity; |
| import android.app.ActivityManager; |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.pm.ApplicationInfo; |
| 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.Resources.NotFoundException; |
| import android.database.Cursor; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.graphics.drawable.Drawable; |
| import android.net.ConnectivityManager; |
| import android.net.LinkProperties; |
| import android.net.Uri; |
| import android.os.BatteryManager; |
| import android.os.Bundle; |
| import android.os.ParcelFileDescriptor; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.preference.Preference; |
| import android.preference.PreferenceActivity.Header; |
| import android.preference.PreferenceFrameLayout; |
| import android.preference.PreferenceGroup; |
| import android.provider.ContactsContract.CommonDataKinds; |
| import android.provider.ContactsContract.CommonDataKinds.Phone; |
| import android.provider.ContactsContract.CommonDataKinds.StructuredName; |
| import android.provider.ContactsContract.Contacts; |
| import android.provider.ContactsContract.Data; |
| import android.provider.ContactsContract.Profile; |
| import android.provider.ContactsContract.RawContacts; |
| import android.telephony.TelephonyManager; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.ListView; |
| import android.widget.TabWidget; |
| |
| import com.android.settings.users.ProfileUpdateReceiver; |
| |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.InetAddress; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Locale; |
| |
| public class Utils { |
| |
| /** |
| * 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; |
| |
| /** |
| * Name of the meta-data item that should be set in the AndroidManifest.xml |
| * to specify the icon that should be displayed for the preference. |
| */ |
| private static final String META_DATA_PREFERENCE_ICON = "com.android.settings.icon"; |
| |
| /** |
| * Name of the meta-data item that should be set in the AndroidManifest.xml |
| * to specify the title that should be displayed for the preference. |
| */ |
| private static final String META_DATA_PREFERENCE_TITLE = "com.android.settings.title"; |
| |
| /** |
| * Name of the meta-data item that should be set in the AndroidManifest.xml |
| * to specify the summary text that should be displayed for the preference. |
| */ |
| private static final String META_DATA_PREFERENCE_SUMMARY = "com.android.settings.summary"; |
| |
| /** |
| * 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; |
| } |
| |
| /** |
| * Finds a matching activity for a preference's intent. If a matching |
| * activity is not found, it will remove the preference. The icon, title and |
| * summary of the preference will also be updated with the values retrieved |
| * from the activity's meta-data elements. If no meta-data elements are |
| * specified then the preference title will be set to match the label of the |
| * activity, an icon and summary text will not be displayed. |
| * |
| * @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. |
| * |
| * @return Whether an activity was found. If false, the preference was |
| * removed. |
| * |
| * @see {@link #META_DATA_PREFERENCE_ICON} |
| * {@link #META_DATA_PREFERENCE_TITLE} |
| * {@link #META_DATA_PREFERENCE_SUMMARY} |
| */ |
| public static boolean updatePreferenceToSpecificActivityFromMetaDataOrRemove(Context context, |
| PreferenceGroup parentPreferenceGroup, String preferenceKey) { |
| |
| IconPreferenceScreen preference = (IconPreferenceScreen)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, PackageManager.GET_META_DATA); |
| 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) { |
| Drawable icon = null; |
| String title = null; |
| String summary = null; |
| |
| // Get the activity's meta-data |
| try { |
| Resources res = pm |
| .getResourcesForApplication(resolveInfo.activityInfo.packageName); |
| Bundle metaData = resolveInfo.activityInfo.metaData; |
| |
| if (res != null && metaData != null) { |
| icon = res.getDrawable(metaData.getInt(META_DATA_PREFERENCE_ICON)); |
| title = res.getString(metaData.getInt(META_DATA_PREFERENCE_TITLE)); |
| summary = res.getString(metaData.getInt(META_DATA_PREFERENCE_SUMMARY)); |
| } |
| } catch (NameNotFoundException e) { |
| // Ignore |
| } catch (NotFoundException e) { |
| // Ignore |
| } |
| |
| // Set the preference title to the activity's label if no |
| // meta-data is found |
| if (TextUtils.isEmpty(title)) { |
| title = resolveInfo.loadLabel(pm).toString(); |
| } |
| |
| // Set icon, title and summary for the preference |
| preference.setIcon(icon); |
| preference.setTitle(title); |
| preference.setSummary(summary); |
| |
| // Replace the intent with this specific activity |
| preference.setIntent(new Intent().setClassName( |
| resolveInfo.activityInfo.packageName, |
| resolveInfo.activityInfo.name)); |
| |
| return true; |
| } |
| } |
| } |
| |
| // Did not find a matching activity, so remove the preference |
| parentPreferenceGroup.removePreference(preference); |
| |
| return false; |
| } |
| |
| public static boolean updateHeaderToSpecificActivityFromMetaDataOrRemove(Context context, |
| List<Header> target, Header header) { |
| |
| Intent intent = header.intent; |
| if (intent != null) { |
| // Find the activity that is in the system image |
| PackageManager pm = context.getPackageManager(); |
| List<ResolveInfo> list = pm.queryIntentActivities(intent, PackageManager.GET_META_DATA); |
| 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) { |
| Drawable icon = null; |
| String title = null; |
| String summary = null; |
| |
| // Get the activity's meta-data |
| try { |
| Resources res = pm.getResourcesForApplication( |
| resolveInfo.activityInfo.packageName); |
| Bundle metaData = resolveInfo.activityInfo.metaData; |
| |
| if (res != null && metaData != null) { |
| icon = res.getDrawable(metaData.getInt(META_DATA_PREFERENCE_ICON)); |
| title = res.getString(metaData.getInt(META_DATA_PREFERENCE_TITLE)); |
| summary = res.getString(metaData.getInt(META_DATA_PREFERENCE_SUMMARY)); |
| } |
| } catch (NameNotFoundException e) { |
| // Ignore |
| } catch (NotFoundException e) { |
| // Ignore |
| } |
| |
| // Set the preference title to the activity's label if no |
| // meta-data is found |
| if (TextUtils.isEmpty(title)) { |
| title = resolveInfo.loadLabel(pm).toString(); |
| } |
| |
| // Set icon, title and summary for the preference |
| // TODO: |
| //header.icon = icon; |
| header.title = title; |
| header.summary = summary; |
| // Replace the intent with this specific activity |
| header.intent = new Intent().setClassName(resolveInfo.activityInfo.packageName, |
| resolveInfo.activityInfo.name); |
| |
| return true; |
| } |
| } |
| } |
| |
| // Did not find a matching activity, so remove the preference |
| target.remove(header); |
| |
| return false; |
| } |
| |
| /** |
| * 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 comma-separated IP addresses, or null if none. |
| */ |
| public static String getWifiIpAddresses(Context context) { |
| ConnectivityManager cm = (ConnectivityManager) |
| context.getSystemService(Context.CONNECTIVITY_SERVICE); |
| LinkProperties prop = cm.getLinkProperties(ConnectivityManager.TYPE_WIFI); |
| return formatIpAddresses(prop); |
| } |
| |
| /** |
| * Returns the default link's IP addresses, if any, taking into account IPv4 and IPv6 style |
| * addresses. |
| * @param context the application context |
| * @return the formatted and comma-separated IP addresses, or null if none. |
| */ |
| public static String getDefaultIpAddresses(Context context) { |
| ConnectivityManager cm = (ConnectivityManager) |
| context.getSystemService(Context.CONNECTIVITY_SERVICE); |
| LinkProperties prop = cm.getActiveLinkProperties(); |
| return formatIpAddresses(prop); |
| } |
| |
| private static String formatIpAddresses(LinkProperties prop) { |
| if (prop == null) return null; |
| Iterator<InetAddress> iter = prop.getAddresses().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 += ", "; |
| } |
| 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 String getBatteryPercentage(Intent batteryChangedIntent) { |
| int level = batteryChangedIntent.getIntExtra("level", 0); |
| int scale = batteryChangedIntent.getIntExtra("scale", 100); |
| return String.valueOf(level * 100 / scale) + "%"; |
| } |
| |
| public static String getBatteryStatus(Resources res, Intent batteryChangedIntent) { |
| final Intent intent = batteryChangedIntent; |
| |
| int plugType = intent.getIntExtra("plugged", 0); |
| int status = intent.getIntExtra("status", BatteryManager.BATTERY_STATUS_UNKNOWN); |
| String statusString; |
| if (status == BatteryManager.BATTERY_STATUS_CHARGING) { |
| statusString = res.getString(R.string.battery_info_status_charging); |
| if (plugType > 0) { |
| int resId; |
| if (plugType == BatteryManager.BATTERY_PLUGGED_AC) { |
| resId = R.string.battery_info_status_charging_ac; |
| } else if (plugType == BatteryManager.BATTERY_PLUGGED_USB) { |
| resId = R.string.battery_info_status_charging_usb; |
| } else { |
| resId = R.string.battery_info_status_charging_wireless; |
| } |
| statusString = statusString + " " + res.getString(resId); |
| } |
| } 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 void forcePrepareCustomPreferencesList( |
| ViewGroup parent, View child, ListView list, boolean ignoreSidePadding) { |
| list.setScrollBarStyle(View.SCROLLBARS_OUTSIDE_OVERLAY); |
| list.setClipToPadding(false); |
| prepareCustomPreferencesList(parent, child, list, ignoreSidePadding); |
| } |
| |
| /** |
| * 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 && parent instanceof PreferenceFrameLayout) { |
| ((PreferenceFrameLayout.LayoutParams) child.getLayoutParams()).removeBorders = true; |
| |
| final Resources res = list.getResources(); |
| final int paddingSide = res.getDimensionPixelSize( |
| com.android.internal.R.dimen.preference_fragment_padding_side); |
| final int paddingBottom = res.getDimensionPixelSize( |
| com.android.internal.R.dimen.preference_fragment_padding_bottom); |
| |
| final int effectivePaddingSide = ignoreSidePadding ? 0 : paddingSide; |
| list.setPadding(effectivePaddingSide, 0, effectivePaddingSide, paddingBottom); |
| } |
| } |
| |
| /** |
| * 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; |
| } |
| } |
| |
| /* Used by UserSettings as well. Call this on a non-ui thread. */ |
| public static boolean copyMeProfilePhoto(Context context, UserInfo user) { |
| Uri contactUri = Profile.CONTENT_URI; |
| |
| InputStream avatarDataStream = Contacts.openContactPhotoInputStream( |
| context.getContentResolver(), |
| contactUri, true); |
| // If there's no profile photo, assign a default avatar |
| if (avatarDataStream == null) { |
| return false; |
| } |
| int userId = user != null ? user.id : UserHandle.myUserId(); |
| UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE); |
| Bitmap icon = BitmapFactory.decodeStream(avatarDataStream); |
| um.setUserIcon(userId, icon); |
| try { |
| avatarDataStream.close(); |
| } catch (IOException ioe) { } |
| 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; |
| } |
| } |
