Utils.java revision 18d2b32423855bb9dceb044d87e5d3543c4575a0
130275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liupackage com.android.settingslib; 230275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu 330275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liuimport android.content.Context; 4c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monkimport android.content.Intent; 521c30548ba11c40fe71df375911dad2e0316ad19Julia Reynoldsimport android.content.pm.PackageInfo; 621c30548ba11c40fe71df375911dad2e0316ad19Julia Reynoldsimport android.content.pm.PackageManager; 721c30548ba11c40fe71df375911dad2e0316ad19Julia Reynoldsimport android.content.pm.PackageManager.NameNotFoundException; 830275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liuimport android.content.pm.UserInfo; 921c30548ba11c40fe71df375911dad2e0316ad19Julia Reynoldsimport android.content.pm.Signature; 10c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monkimport android.content.res.Resources; 1130275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liuimport android.graphics.Bitmap; 1230275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liuimport android.graphics.BitmapFactory; 1330275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liuimport android.graphics.drawable.Drawable; 1430275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liuimport android.net.ConnectivityManager; 15c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monkimport android.os.BatteryManager; 1630275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liuimport android.os.UserManager; 1730275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liuimport com.android.internal.util.UserIcons; 1830275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liuimport com.android.settingslib.drawable.CircleFramedDrawable; 1930275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu 20c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monkimport java.text.NumberFormat; 21c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk 22c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monkpublic class Utils { 2330275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu 2430275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu /** 2530275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu * Return string resource that best describes combination of tethering 2630275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu * options available on this device. 2730275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu */ 2830275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu public static int getTetheringLabel(ConnectivityManager cm) { 2930275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu String[] usbRegexs = cm.getTetherableUsbRegexs(); 3030275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu String[] wifiRegexs = cm.getTetherableWifiRegexs(); 3130275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu String[] bluetoothRegexs = cm.getTetherableBluetoothRegexs(); 3230275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu 3330275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu boolean usbAvailable = usbRegexs.length != 0; 3430275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu boolean wifiAvailable = wifiRegexs.length != 0; 3530275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu boolean bluetoothAvailable = bluetoothRegexs.length != 0; 3630275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu 3730275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu if (wifiAvailable && usbAvailable && bluetoothAvailable) { 3830275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu return R.string.tether_settings_title_all; 3930275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } else if (wifiAvailable && usbAvailable) { 4030275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu return R.string.tether_settings_title_all; 4130275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } else if (wifiAvailable && bluetoothAvailable) { 4230275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu return R.string.tether_settings_title_all; 4330275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } else if (wifiAvailable) { 4430275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu return R.string.tether_settings_title_wifi; 4530275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } else if (usbAvailable && bluetoothAvailable) { 4630275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu return R.string.tether_settings_title_usb_bluetooth; 4730275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } else if (usbAvailable) { 4830275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu return R.string.tether_settings_title_usb; 4930275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } else { 5030275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu return R.string.tether_settings_title_bluetooth; 5130275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } 5230275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } 5330275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu 5430275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu /** 5530275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu * Returns a label for the user, in the form of "User: user name" or "Work profile". 5630275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu */ 5730275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu public static String getUserLabel(Context context, UserInfo info) { 5830275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu String name = info != null ? info.name : null; 5930275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu if (info.isManagedProfile()) { 6030275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu // We use predefined values for managed profiles 6130275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu return context.getString(R.string.managed_user_title); 6230275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } else if (info.isGuest()) { 6330275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu name = context.getString(R.string.user_guest); 6430275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } 6530275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu if (name == null && info != null) { 6630275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu name = Integer.toString(info.id); 6730275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } else if (info == null) { 6830275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu name = context.getString(R.string.unknown); 6930275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } 7030275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu return context.getResources().getString(R.string.running_process_item_user_label, name); 7130275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } 7230275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu 7330275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu /** 7430275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu * Returns a circular icon for a user. 7530275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu */ 7630275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu public static Drawable getUserIcon(Context context, UserManager um, UserInfo user) { 7730275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu if (user.isManagedProfile()) { 7830275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu // We use predefined values for managed profiles 7930275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu Bitmap b = BitmapFactory.decodeResource(context.getResources(), 8030275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu com.android.internal.R.drawable.ic_corp_icon); 8130275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu return CircleFramedDrawable.getInstance(context, b); 8230275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } 8330275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu if (user.iconPath != null) { 8430275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu Bitmap icon = um.getUserIcon(user.id); 8530275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu if (icon != null) { 8630275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu return CircleFramedDrawable.getInstance(context, icon); 8730275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } 8830275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } 8930275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu return CircleFramedDrawable.getInstance(context, UserIcons.convertToBitmap( 9030275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu UserIcons.getDefaultUserIcon(user.id, /* light= */ false))); 9130275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu } 92c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk 93c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk /** Formats the ratio of amount/total as a percentage. */ 94c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk public static String formatPercentage(long amount, long total) { 95c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk return formatPercentage(((double) amount) / total); 96c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk } 97c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk 98c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk /** Formats an integer from 0..100 as a percentage. */ 99c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk public static String formatPercentage(int percentage) { 100c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk return formatPercentage(((double) percentage) / 100.0); 101c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk } 102c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk 103c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk /** Formats a double from 0.0..1.0 as a percentage. */ 104c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk private static String formatPercentage(double percentage) { 105c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk return NumberFormat.getPercentInstance().format(percentage); 106c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk } 107c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk 108c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk public static int getBatteryLevel(Intent batteryChangedIntent) { 109c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk int level = batteryChangedIntent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0); 110c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk int scale = batteryChangedIntent.getIntExtra(BatteryManager.EXTRA_SCALE, 100); 111c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk return (level * 100) / scale; 112c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk } 113c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk 114c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk public static String getBatteryStatus(Resources res, Intent batteryChangedIntent) { 11518d2b32423855bb9dceb044d87e5d3543c4575a0Muyuan Li return Utils.getBatteryStatus(res, batteryChangedIntent, false); 11618d2b32423855bb9dceb044d87e5d3543c4575a0Muyuan Li } 117c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk 11818d2b32423855bb9dceb044d87e5d3543c4575a0Muyuan Li public static String getBatteryStatus(Resources res, Intent batteryChangedIntent, 11918d2b32423855bb9dceb044d87e5d3543c4575a0Muyuan Li boolean shortString) { 12018d2b32423855bb9dceb044d87e5d3543c4575a0Muyuan Li int plugType = batteryChangedIntent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0); 12118d2b32423855bb9dceb044d87e5d3543c4575a0Muyuan Li int status = batteryChangedIntent.getIntExtra(BatteryManager.EXTRA_STATUS, 122c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk BatteryManager.BATTERY_STATUS_UNKNOWN); 123c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk String statusString; 124c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk if (status == BatteryManager.BATTERY_STATUS_CHARGING) { 125c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk int resId; 126c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk if (plugType == BatteryManager.BATTERY_PLUGGED_AC) { 12718d2b32423855bb9dceb044d87e5d3543c4575a0Muyuan Li resId = shortString ? R.string.battery_info_status_charging_ac_short 12818d2b32423855bb9dceb044d87e5d3543c4575a0Muyuan Li : R.string.battery_info_status_charging_ac; 129c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk } else if (plugType == BatteryManager.BATTERY_PLUGGED_USB) { 13018d2b32423855bb9dceb044d87e5d3543c4575a0Muyuan Li resId = shortString ? R.string.battery_info_status_charging_usb_short 13118d2b32423855bb9dceb044d87e5d3543c4575a0Muyuan Li : R.string.battery_info_status_charging_usb; 132c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk } else if (plugType == BatteryManager.BATTERY_PLUGGED_WIRELESS) { 13318d2b32423855bb9dceb044d87e5d3543c4575a0Muyuan Li resId = shortString ? R.string.battery_info_status_charging_wireless_short 13418d2b32423855bb9dceb044d87e5d3543c4575a0Muyuan Li : R.string.battery_info_status_charging_wireless; 135c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk } else { 136c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk resId = R.string.battery_info_status_charging; 137c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk } 138c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk statusString = res.getString(resId); 139c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk } else if (status == BatteryManager.BATTERY_STATUS_DISCHARGING) { 140c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk statusString = res.getString(R.string.battery_info_status_discharging); 141c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk } else if (status == BatteryManager.BATTERY_STATUS_NOT_CHARGING) { 142c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk statusString = res.getString(R.string.battery_info_status_not_charging); 143c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk } else if (status == BatteryManager.BATTERY_STATUS_FULL) { 144c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk statusString = res.getString(R.string.battery_info_status_full); 145c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk } else { 146c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk statusString = res.getString(R.string.battery_info_status_unknown); 147c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk } 148c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk 149c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk return statusString; 150c06fbb12984a3d3e4c80ab9f819841acae5b0133Jason Monk } 15121c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds 15221c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds /** 15321c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds * Determine whether a package is a "system package", in which case certain things (like 15421c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds * disabling notifications or disabling the package altogether) should be disallowed. 15521c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds */ 15621c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds public static boolean isSystemPackage(PackageManager pm, PackageInfo pkg) { 15721c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds if (sSystemSignature == null) { 15821c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds sSystemSignature = new Signature[]{ getSystemSignature(pm) }; 15921c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds } 16081fb0d4acdc93c9bfb77972a7610b12acb949aa2Svet Ganov if (sPermissionControllerPackageName == null) { 16181fb0d4acdc93c9bfb77972a7610b12acb949aa2Svet Ganov sPermissionControllerPackageName = pm.getPermissionControllerPackageName(); 16281fb0d4acdc93c9bfb77972a7610b12acb949aa2Svet Ganov } 16381fb0d4acdc93c9bfb77972a7610b12acb949aa2Svet Ganov return (sSystemSignature[0] != null 16481fb0d4acdc93c9bfb77972a7610b12acb949aa2Svet Ganov && sSystemSignature[0].equals(getFirstSignature(pkg))) 16581fb0d4acdc93c9bfb77972a7610b12acb949aa2Svet Ganov || (sPermissionControllerPackageName != null 16681fb0d4acdc93c9bfb77972a7610b12acb949aa2Svet Ganov && sPermissionControllerPackageName.equals(pkg.packageName)); 16721c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds } 16821c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds 16921c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds private static Signature[] sSystemSignature; 17081fb0d4acdc93c9bfb77972a7610b12acb949aa2Svet Ganov private static String sPermissionControllerPackageName; 17121c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds 17221c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds private static Signature getFirstSignature(PackageInfo pkg) { 17321c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds if (pkg != null && pkg.signatures != null && pkg.signatures.length > 0) { 17421c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds return pkg.signatures[0]; 17521c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds } 17621c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds return null; 17721c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds } 17821c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds 17921c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds private static Signature getSystemSignature(PackageManager pm) { 18021c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds try { 18121c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds final PackageInfo sys = pm.getPackageInfo("android", PackageManager.GET_SIGNATURES); 18221c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds return getFirstSignature(sys); 18321c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds } catch (NameNotFoundException e) { 18421c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds } 18521c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds return null; 18621c30548ba11c40fe71df375911dad2e0316ad19Julia Reynolds } 18730275c1924b2bd45b05bd9c98f8648ecbc71374fWei Liu} 188