Java tutorial
/* * Copyright (C) 2008 The Android Open Source Project * * 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 android.content.res; import static android.content.ConfigurationProto.COLOR_MODE; import static android.content.ConfigurationProto.DENSITY_DPI; import static android.content.ConfigurationProto.FONT_SCALE; import static android.content.ConfigurationProto.HARD_KEYBOARD_HIDDEN; import static android.content.ConfigurationProto.KEYBOARD; import static android.content.ConfigurationProto.KEYBOARD_HIDDEN; import static android.content.ConfigurationProto.LOCALES; import static android.content.ConfigurationProto.MCC; import static android.content.ConfigurationProto.MNC; import static android.content.ConfigurationProto.NAVIGATION; import static android.content.ConfigurationProto.NAVIGATION_HIDDEN; import static android.content.ConfigurationProto.ORIENTATION; import static android.content.ConfigurationProto.SCREEN_HEIGHT_DP; import static android.content.ConfigurationProto.SCREEN_LAYOUT; import static android.content.ConfigurationProto.SCREEN_WIDTH_DP; import static android.content.ConfigurationProto.SMALLEST_SCREEN_WIDTH_DP; import static android.content.ConfigurationProto.TOUCHSCREEN; import static android.content.ConfigurationProto.UI_MODE; import static android.content.ConfigurationProto.WINDOW_CONFIGURATION; import static android.content.ResourcesConfigurationProto.CONFIGURATION; import static android.content.ResourcesConfigurationProto.SCREEN_HEIGHT_PX; import static android.content.ResourcesConfigurationProto.SCREEN_WIDTH_PX; import static android.content.ResourcesConfigurationProto.SDK_VERSION; import android.annotation.IntDef; import android.annotation.NonNull; import android.annotation.Nullable; import android.annotation.TestApi; import android.annotation.UnsupportedAppUsage; import android.app.WindowConfiguration; import android.content.pm.ActivityInfo; import android.content.pm.ActivityInfo.Config; import android.os.Build; import android.os.LocaleList; import android.os.Parcel; import android.os.Parcelable; import android.text.TextUtils; import android.util.DisplayMetrics; import android.util.proto.ProtoOutputStream; import android.view.View; import com.android.internal.util.XmlUtils; import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserException; import org.xmlpull.v1.XmlSerializer; import java.io.IOException; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.util.ArrayList; import java.util.Locale; /** * This class describes all device configuration information that can * impact the resources the application retrieves. This includes both * user-specified configuration options (locale list and scaling) as well * as device configurations (such as input modes, screen size and screen orientation). * <p>You can acquire this object from {@link Resources}, using {@link * Resources#getConfiguration}. Thus, from an activity, you can get it by chaining the request * with {@link android.app.Activity#getResources}:</p> * <pre>Configuration config = getResources().getConfiguration();</pre> */ public final class Configuration implements Parcelable, Comparable<Configuration> { /** @hide */ public static final Configuration EMPTY = new Configuration(); /** * Current user preference for the scaling factor for fonts, relative * to the base density scaling. */ public float fontScale; /** * IMSI MCC (Mobile Country Code), corresponding to * <a href="{@docRoot}guide/topics/resources/providing-resources.html#MccQualifier">mcc</a> * resource qualifier. 0 if undefined. */ public int mcc; /** * IMSI MNC (Mobile Network Code), corresponding to * <a href="{@docRoot}guide/topics/resources/providing-resources.html#MccQualifier">mnc</a> * resource qualifier. 0 if undefined. Note that the actual MNC may be 0; in order to check * for this use the {@link #MNC_ZERO} symbol. */ public int mnc; /** * Constant used to to represent MNC (Mobile Network Code) zero. * 0 cannot be used, since it is used to represent an undefined MNC. */ public static final int MNC_ZERO = 0xffff; /** * Current user preference for the locale, corresponding to * <a href="{@docRoot}guide/topics/resources/providing-resources.html#LocaleQualifier">locale</a> * resource qualifier. * * @deprecated Do not set or read this directly. Use {@link #getLocales()} and * {@link #setLocales(LocaleList)}. If only the primary locale is needed, * <code>getLocales().get(0)</code> is now the preferred accessor. */ @Deprecated public Locale locale; private LocaleList mLocaleList; /** * Locale should persist on setting. This is hidden because it is really * questionable whether this is the right way to expose the functionality. * @hide */ @UnsupportedAppUsage public boolean userSetLocale; /** Constant for {@link #colorMode}: bits that encode whether the screen is wide gamut. */ public static final int COLOR_MODE_WIDE_COLOR_GAMUT_MASK = 0x3; /** * Constant for {@link #colorMode}: a {@link #COLOR_MODE_WIDE_COLOR_GAMUT_MASK} value * indicating that it is unknown whether or not the screen is wide gamut. */ public static final int COLOR_MODE_WIDE_COLOR_GAMUT_UNDEFINED = 0x0; /** * Constant for {@link #colorMode}: a {@link #COLOR_MODE_WIDE_COLOR_GAMUT_MASK} value * indicating that the screen is not wide gamut. * <p>Corresponds to the <code>-nowidecg</code> resource qualifier.</p> */ public static final int COLOR_MODE_WIDE_COLOR_GAMUT_NO = 0x1; /** * Constant for {@link #colorMode}: a {@link #COLOR_MODE_WIDE_COLOR_GAMUT_MASK} value * indicating that the screen is wide gamut. * <p>Corresponds to the <code>-widecg</code> resource qualifier.</p> */ public static final int COLOR_MODE_WIDE_COLOR_GAMUT_YES = 0x2; /** Constant for {@link #colorMode}: bits that encode the dynamic range of the screen. */ public static final int COLOR_MODE_HDR_MASK = 0xc; /** Constant for {@link #colorMode}: bits shift to get the screen dynamic range. */ public static final int COLOR_MODE_HDR_SHIFT = 2; /** * Constant for {@link #colorMode}: a {@link #COLOR_MODE_HDR_MASK} value * indicating that it is unknown whether or not the screen is HDR. */ public static final int COLOR_MODE_HDR_UNDEFINED = 0x0; /** * Constant for {@link #colorMode}: a {@link #COLOR_MODE_HDR_MASK} value * indicating that the screen is not HDR (low/standard dynamic range). * <p>Corresponds to the <code>-lowdr</code> resource qualifier.</p> */ public static final int COLOR_MODE_HDR_NO = 0x1 << COLOR_MODE_HDR_SHIFT; /** * Constant for {@link #colorMode}: a {@link #COLOR_MODE_HDR_MASK} value * indicating that the screen is HDR (dynamic range). * <p>Corresponds to the <code>-highdr</code> resource qualifier.</p> */ public static final int COLOR_MODE_HDR_YES = 0x2 << COLOR_MODE_HDR_SHIFT; /** Constant for {@link #colorMode}: a value indicating that the color mode is undefined */ @SuppressWarnings("PointlessBitwiseExpression") public static final int COLOR_MODE_UNDEFINED = COLOR_MODE_WIDE_COLOR_GAMUT_UNDEFINED | COLOR_MODE_HDR_UNDEFINED; /** * Bit mask of color capabilities of the screen. Currently there are two fields: * <p>The {@link #COLOR_MODE_WIDE_COLOR_GAMUT_MASK} bits define the color gamut of * the screen. They may be one of * {@link #COLOR_MODE_WIDE_COLOR_GAMUT_NO} or {@link #COLOR_MODE_WIDE_COLOR_GAMUT_YES}.</p> * * <p>The {@link #COLOR_MODE_HDR_MASK} defines the dynamic range of the screen. They may be * one of {@link #COLOR_MODE_HDR_NO} or {@link #COLOR_MODE_HDR_YES}.</p> * * <p>See <a href="{@docRoot}guide/practices/screens_support.html">Supporting * Multiple Screens</a> for more information.</p> */ public int colorMode; /** Constant for {@link #screenLayout}: bits that encode the size. */ public static final int SCREENLAYOUT_SIZE_MASK = 0x0f; /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_SIZE_MASK} * value indicating that no size has been set. */ public static final int SCREENLAYOUT_SIZE_UNDEFINED = 0x00; /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_SIZE_MASK} * value indicating the screen is at least approximately 320x426 dp units, * corresponds to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenSizeQualifier">small</a> * resource qualifier. * See <a href="{@docRoot}guide/practices/screens_support.html">Supporting * Multiple Screens</a> for more information. */ public static final int SCREENLAYOUT_SIZE_SMALL = 0x01; /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_SIZE_MASK} * value indicating the screen is at least approximately 320x470 dp units, * corresponds to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenSizeQualifier">normal</a> * resource qualifier. * See <a href="{@docRoot}guide/practices/screens_support.html">Supporting * Multiple Screens</a> for more information. */ public static final int SCREENLAYOUT_SIZE_NORMAL = 0x02; /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_SIZE_MASK} * value indicating the screen is at least approximately 480x640 dp units, * corresponds to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenSizeQualifier">large</a> * resource qualifier. * See <a href="{@docRoot}guide/practices/screens_support.html">Supporting * Multiple Screens</a> for more information. */ public static final int SCREENLAYOUT_SIZE_LARGE = 0x03; /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_SIZE_MASK} * value indicating the screen is at least approximately 720x960 dp units, * corresponds to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenSizeQualifier">xlarge</a> * resource qualifier. * See <a href="{@docRoot}guide/practices/screens_support.html">Supporting * Multiple Screens</a> for more information.*/ public static final int SCREENLAYOUT_SIZE_XLARGE = 0x04; /** Constant for {@link #screenLayout}: bits that encode the aspect ratio. */ public static final int SCREENLAYOUT_LONG_MASK = 0x30; /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_LONG_MASK} * value indicating that no size has been set. */ public static final int SCREENLAYOUT_LONG_UNDEFINED = 0x00; /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_LONG_MASK} * value that corresponds to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenAspectQualifier">notlong</a> * resource qualifier. */ public static final int SCREENLAYOUT_LONG_NO = 0x10; /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_LONG_MASK} * value that corresponds to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenAspectQualifier">long</a> * resource qualifier. */ public static final int SCREENLAYOUT_LONG_YES = 0x20; /** Constant for {@link #screenLayout}: bits that encode the layout direction. */ public static final int SCREENLAYOUT_LAYOUTDIR_MASK = 0xC0; /** Constant for {@link #screenLayout}: bits shift to get the layout direction. */ public static final int SCREENLAYOUT_LAYOUTDIR_SHIFT = 6; /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_LAYOUTDIR_MASK} * value indicating that no layout dir has been set. */ public static final int SCREENLAYOUT_LAYOUTDIR_UNDEFINED = 0x00; /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_LAYOUTDIR_MASK} * value indicating that a layout dir has been set to LTR. */ public static final int SCREENLAYOUT_LAYOUTDIR_LTR = 0x01 << SCREENLAYOUT_LAYOUTDIR_SHIFT; /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_LAYOUTDIR_MASK} * value indicating that a layout dir has been set to RTL. */ public static final int SCREENLAYOUT_LAYOUTDIR_RTL = 0x02 << SCREENLAYOUT_LAYOUTDIR_SHIFT; /** Constant for {@link #screenLayout}: bits that encode roundness of the screen. */ public static final int SCREENLAYOUT_ROUND_MASK = 0x300; /** @hide Constant for {@link #screenLayout}: bit shift to get to screen roundness bits */ public static final int SCREENLAYOUT_ROUND_SHIFT = 8; /** * Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_ROUND_MASK} value indicating * that it is unknown whether or not the screen has a round shape. */ public static final int SCREENLAYOUT_ROUND_UNDEFINED = 0x00; /** * Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_ROUND_MASK} value indicating * that the screen does not have a rounded shape. */ public static final int SCREENLAYOUT_ROUND_NO = 0x1 << SCREENLAYOUT_ROUND_SHIFT; /** * Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_ROUND_MASK} value indicating * that the screen has a rounded shape. Corners may not be visible to the user; * developers should pay special attention to the {@link android.view.WindowInsets} delivered * to views for more information about ensuring content is not obscured. * * <p>Corresponds to the <code>-round</code> resource qualifier.</p> */ public static final int SCREENLAYOUT_ROUND_YES = 0x2 << SCREENLAYOUT_ROUND_SHIFT; /** Constant for {@link #screenLayout}: a value indicating that screenLayout is undefined */ public static final int SCREENLAYOUT_UNDEFINED = SCREENLAYOUT_SIZE_UNDEFINED | SCREENLAYOUT_LONG_UNDEFINED | SCREENLAYOUT_LAYOUTDIR_UNDEFINED | SCREENLAYOUT_ROUND_UNDEFINED; /** * Special flag we generate to indicate that the screen layout requires * us to use a compatibility mode for apps that are not modern layout * aware. * @hide */ public static final int SCREENLAYOUT_COMPAT_NEEDED = 0x10000000; /** * Bit mask of overall layout of the screen. Currently there are four * fields: * <p>The {@link #SCREENLAYOUT_SIZE_MASK} bits define the overall size * of the screen. They may be one of * {@link #SCREENLAYOUT_SIZE_SMALL}, {@link #SCREENLAYOUT_SIZE_NORMAL}, * {@link #SCREENLAYOUT_SIZE_LARGE}, or {@link #SCREENLAYOUT_SIZE_XLARGE}.</p> * * <p>The {@link #SCREENLAYOUT_LONG_MASK} defines whether the screen * is wider/taller than normal. They may be one of * {@link #SCREENLAYOUT_LONG_NO} or {@link #SCREENLAYOUT_LONG_YES}.</p> * * <p>The {@link #SCREENLAYOUT_LAYOUTDIR_MASK} defines whether the screen layout * is either LTR or RTL. They may be one of * {@link #SCREENLAYOUT_LAYOUTDIR_LTR} or {@link #SCREENLAYOUT_LAYOUTDIR_RTL}.</p> * * <p>The {@link #SCREENLAYOUT_ROUND_MASK} defines whether the screen has a rounded * shape. They may be one of {@link #SCREENLAYOUT_ROUND_NO} or {@link #SCREENLAYOUT_ROUND_YES}. * </p> * * <p>See <a href="{@docRoot}guide/practices/screens_support.html">Supporting * Multiple Screens</a> for more information.</p> */ public int screenLayout; /** * Configuration relating to the windowing state of the object associated with this * Configuration. Contents of this field are not intended to affect resources, but need to be * communicated and propagated at the same time as the rest of Configuration. * @hide */ @TestApi public final WindowConfiguration windowConfiguration = new WindowConfiguration(); /** @hide */ static public int resetScreenLayout(int curLayout) { return (curLayout & ~(SCREENLAYOUT_LONG_MASK | SCREENLAYOUT_SIZE_MASK | SCREENLAYOUT_COMPAT_NEEDED)) | (SCREENLAYOUT_LONG_YES | SCREENLAYOUT_SIZE_XLARGE); } /** @hide */ static public int reduceScreenLayout(int curLayout, int longSizeDp, int shortSizeDp) { int screenLayoutSize; boolean screenLayoutLong; boolean screenLayoutCompatNeeded; // These semi-magic numbers define our compatibility modes for // applications with different screens. These are guarantees to // app developers about the space they can expect for a particular // configuration. DO NOT CHANGE! if (longSizeDp < 470) { // This is shorter than an HVGA normal density screen (which // is 480 pixels on its long side). screenLayoutSize = SCREENLAYOUT_SIZE_SMALL; screenLayoutLong = false; screenLayoutCompatNeeded = false; } else { // What size is this screen screen? if (longSizeDp >= 960 && shortSizeDp >= 720) { // 1.5xVGA or larger screens at medium density are the point // at which we consider it to be an extra large screen. screenLayoutSize = SCREENLAYOUT_SIZE_XLARGE; } else if (longSizeDp >= 640 && shortSizeDp >= 480) { // VGA or larger screens at medium density are the point // at which we consider it to be a large screen. screenLayoutSize = SCREENLAYOUT_SIZE_LARGE; } else { screenLayoutSize = SCREENLAYOUT_SIZE_NORMAL; } // If this screen is wider than normal HVGA, or taller // than FWVGA, then for old apps we want to run in size // compatibility mode. if (shortSizeDp > 321 || longSizeDp > 570) { screenLayoutCompatNeeded = true; } else { screenLayoutCompatNeeded = false; } // Is this a long screen? if (((longSizeDp * 3) / 5) >= (shortSizeDp - 1)) { // Anything wider than WVGA (5:3) is considering to be long. screenLayoutLong = true; } else { screenLayoutLong = false; } } // Now reduce the last screenLayout to not be better than what we // have found. if (!screenLayoutLong) { curLayout = (curLayout & ~SCREENLAYOUT_LONG_MASK) | SCREENLAYOUT_LONG_NO; } if (screenLayoutCompatNeeded) { curLayout |= Configuration.SCREENLAYOUT_COMPAT_NEEDED; } int curSize = curLayout & SCREENLAYOUT_SIZE_MASK; if (screenLayoutSize < curSize) { curLayout = (curLayout & ~SCREENLAYOUT_SIZE_MASK) | screenLayoutSize; } return curLayout; } /** @hide */ public static String configurationDiffToString(int diff) { ArrayList<String> list = new ArrayList<>(); if ((diff & ActivityInfo.CONFIG_MCC) != 0) { list.add("CONFIG_MCC"); } if ((diff & ActivityInfo.CONFIG_MNC) != 0) { list.add("CONFIG_MNC"); } if ((diff & ActivityInfo.CONFIG_LOCALE) != 0) { list.add("CONFIG_LOCALE"); } if ((diff & ActivityInfo.CONFIG_TOUCHSCREEN) != 0) { list.add("CONFIG_TOUCHSCREEN"); } if ((diff & ActivityInfo.CONFIG_KEYBOARD) != 0) { list.add("CONFIG_KEYBOARD"); } if ((diff & ActivityInfo.CONFIG_KEYBOARD_HIDDEN) != 0) { list.add("CONFIG_KEYBOARD_HIDDEN"); } if ((diff & ActivityInfo.CONFIG_NAVIGATION) != 0) { list.add("CONFIG_NAVIGATION"); } if ((diff & ActivityInfo.CONFIG_ORIENTATION) != 0) { list.add("CONFIG_ORIENTATION"); } if ((diff & ActivityInfo.CONFIG_SCREEN_LAYOUT) != 0) { list.add("CONFIG_SCREEN_LAYOUT"); } if ((diff & ActivityInfo.CONFIG_COLOR_MODE) != 0) { list.add("CONFIG_COLOR_MODE"); } if ((diff & ActivityInfo.CONFIG_UI_MODE) != 0) { list.add("CONFIG_UI_MODE"); } if ((diff & ActivityInfo.CONFIG_SCREEN_SIZE) != 0) { list.add("CONFIG_SCREEN_SIZE"); } if ((diff & ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE) != 0) { list.add("CONFIG_SMALLEST_SCREEN_SIZE"); } if ((diff & ActivityInfo.CONFIG_LAYOUT_DIRECTION) != 0) { list.add("CONFIG_LAYOUT_DIRECTION"); } if ((diff & ActivityInfo.CONFIG_FONT_SCALE) != 0) { list.add("CONFIG_FONT_SCALE"); } if ((diff & ActivityInfo.CONFIG_ASSETS_PATHS) != 0) { list.add("CONFIG_ASSETS_PATHS"); } StringBuilder builder = new StringBuilder("{"); for (int i = 0, n = list.size(); i < n; i++) { builder.append(list.get(i)); if (i != n - 1) { builder.append(", "); } } builder.append("}"); return builder.toString(); } /** * Check if the Configuration's current {@link #screenLayout} is at * least the given size. * * @param size The desired size, either {@link #SCREENLAYOUT_SIZE_SMALL}, * {@link #SCREENLAYOUT_SIZE_NORMAL}, {@link #SCREENLAYOUT_SIZE_LARGE}, or * {@link #SCREENLAYOUT_SIZE_XLARGE}. * @return Returns true if the current screen layout size is at least * the given size. */ public boolean isLayoutSizeAtLeast(int size) { int cur = screenLayout & SCREENLAYOUT_SIZE_MASK; if (cur == SCREENLAYOUT_SIZE_UNDEFINED) return false; return cur >= size; } /** Constant for {@link #touchscreen}: a value indicating that no value has been set. */ public static final int TOUCHSCREEN_UNDEFINED = 0; /** Constant for {@link #touchscreen}, value corresponding to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#TouchscreenQualifier">notouch</a> * resource qualifier. */ public static final int TOUCHSCREEN_NOTOUCH = 1; /** @deprecated Not currently supported or used. */ @Deprecated public static final int TOUCHSCREEN_STYLUS = 2; /** Constant for {@link #touchscreen}, value corresponding to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#TouchscreenQualifier">finger</a> * resource qualifier. */ public static final int TOUCHSCREEN_FINGER = 3; /** * The kind of touch screen attached to the device. * One of: {@link #TOUCHSCREEN_NOTOUCH}, {@link #TOUCHSCREEN_FINGER}. */ public int touchscreen; /** Constant for {@link #keyboard}: a value indicating that no value has been set. */ public static final int KEYBOARD_UNDEFINED = 0; /** Constant for {@link #keyboard}, value corresponding to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ImeQualifier">nokeys</a> * resource qualifier. */ public static final int KEYBOARD_NOKEYS = 1; /** Constant for {@link #keyboard}, value corresponding to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ImeQualifier">qwerty</a> * resource qualifier. */ public static final int KEYBOARD_QWERTY = 2; /** Constant for {@link #keyboard}, value corresponding to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ImeQualifier">12key</a> * resource qualifier. */ public static final int KEYBOARD_12KEY = 3; /** * The kind of keyboard attached to the device. * One of: {@link #KEYBOARD_NOKEYS}, {@link #KEYBOARD_QWERTY}, * {@link #KEYBOARD_12KEY}. */ public int keyboard; /** Constant for {@link #keyboardHidden}: a value indicating that no value has been set. */ public static final int KEYBOARDHIDDEN_UNDEFINED = 0; /** Constant for {@link #keyboardHidden}, value corresponding to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#KeyboardAvailQualifier">keysexposed</a> * resource qualifier. */ public static final int KEYBOARDHIDDEN_NO = 1; /** Constant for {@link #keyboardHidden}, value corresponding to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#KeyboardAvailQualifier">keyshidden</a> * resource qualifier. */ public static final int KEYBOARDHIDDEN_YES = 2; /** Constant matching actual resource implementation. {@hide} */ public static final int KEYBOARDHIDDEN_SOFT = 3; /** * A flag indicating whether any keyboard is available. Unlike * {@link #hardKeyboardHidden}, this also takes into account a soft * keyboard, so if the hard keyboard is hidden but there is soft * keyboard available, it will be set to NO. Value is one of: * {@link #KEYBOARDHIDDEN_NO}, {@link #KEYBOARDHIDDEN_YES}. */ public int keyboardHidden; /** Constant for {@link #hardKeyboardHidden}: a value indicating that no value has been set. */ public static final int HARDKEYBOARDHIDDEN_UNDEFINED = 0; /** Constant for {@link #hardKeyboardHidden}, value corresponding to the * physical keyboard being exposed. */ public static final int HARDKEYBOARDHIDDEN_NO = 1; /** Constant for {@link #hardKeyboardHidden}, value corresponding to the * physical keyboard being hidden. */ public static final int HARDKEYBOARDHIDDEN_YES = 2; /** * A flag indicating whether the hard keyboard has been hidden. This will * be set on a device with a mechanism to hide the keyboard from the * user, when that mechanism is closed. One of: * {@link #HARDKEYBOARDHIDDEN_NO}, {@link #HARDKEYBOARDHIDDEN_YES}. */ public int hardKeyboardHidden; /** Constant for {@link #navigation}: a value indicating that no value has been set. */ public static final int NAVIGATION_UNDEFINED = 0; /** Constant for {@link #navigation}, value corresponding to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavigationQualifier">nonav</a> * resource qualifier. */ public static final int NAVIGATION_NONAV = 1; /** Constant for {@link #navigation}, value corresponding to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavigationQualifier">dpad</a> * resource qualifier. */ public static final int NAVIGATION_DPAD = 2; /** Constant for {@link #navigation}, value corresponding to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavigationQualifier">trackball</a> * resource qualifier. */ public static final int NAVIGATION_TRACKBALL = 3; /** Constant for {@link #navigation}, value corresponding to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavigationQualifier">wheel</a> * resource qualifier. */ public static final int NAVIGATION_WHEEL = 4; /** * The kind of navigation method available on the device. * One of: {@link #NAVIGATION_NONAV}, {@link #NAVIGATION_DPAD}, * {@link #NAVIGATION_TRACKBALL}, {@link #NAVIGATION_WHEEL}. */ public int navigation; /** Constant for {@link #navigationHidden}: a value indicating that no value has been set. */ public static final int NAVIGATIONHIDDEN_UNDEFINED = 0; /** Constant for {@link #navigationHidden}, value corresponding to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavAvailQualifier">navexposed</a> * resource qualifier. */ public static final int NAVIGATIONHIDDEN_NO = 1; /** Constant for {@link #navigationHidden}, value corresponding to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavAvailQualifier">navhidden</a> * resource qualifier. */ public static final int NAVIGATIONHIDDEN_YES = 2; /** * A flag indicating whether any 5-way or DPAD navigation available. * This will be set on a device with a mechanism to hide the navigation * controls from the user, when that mechanism is closed. One of: * {@link #NAVIGATIONHIDDEN_NO}, {@link #NAVIGATIONHIDDEN_YES}. */ public int navigationHidden; /** Constant for {@link #orientation}: a value indicating that no value has been set. */ public static final int ORIENTATION_UNDEFINED = 0; /** Constant for {@link #orientation}, value corresponding to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#OrientationQualifier">port</a> * resource qualifier. */ public static final int ORIENTATION_PORTRAIT = 1; /** Constant for {@link #orientation}, value corresponding to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#OrientationQualifier">land</a> * resource qualifier. */ public static final int ORIENTATION_LANDSCAPE = 2; /** @deprecated Not currently supported or used. */ @Deprecated public static final int ORIENTATION_SQUARE = 3; /** * Overall orientation of the screen. May be one of * {@link #ORIENTATION_LANDSCAPE}, {@link #ORIENTATION_PORTRAIT}. */ public int orientation; /** Constant for {@link #uiMode}: bits that encode the mode type. */ public static final int UI_MODE_TYPE_MASK = 0x0f; /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK} * value indicating that no mode type has been set. */ public static final int UI_MODE_TYPE_UNDEFINED = 0x00; /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK} * value that corresponds to * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">no * UI mode</a> resource qualifier specified. */ public static final int UI_MODE_TYPE_NORMAL = 0x01; /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK} * value that corresponds to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">desk</a> * resource qualifier. */ public static final int UI_MODE_TYPE_DESK = 0x02; /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK} * value that corresponds to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">car</a> * resource qualifier. */ public static final int UI_MODE_TYPE_CAR = 0x03; /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK} * value that corresponds to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">television</a> * resource qualifier. */ public static final int UI_MODE_TYPE_TELEVISION = 0x04; /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK} * value that corresponds to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">appliance</a> * resource qualifier. */ public static final int UI_MODE_TYPE_APPLIANCE = 0x05; /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK} * value that corresponds to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">watch</a> * resource qualifier. */ public static final int UI_MODE_TYPE_WATCH = 0x06; /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK} * value that corresponds to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">vrheadset</a> * resource qualifier. */ public static final int UI_MODE_TYPE_VR_HEADSET = 0x07; /** Constant for {@link #uiMode}: bits that encode the night mode. */ public static final int UI_MODE_NIGHT_MASK = 0x30; /** Constant for {@link #uiMode}: a {@link #UI_MODE_NIGHT_MASK} * value indicating that no mode type has been set. */ public static final int UI_MODE_NIGHT_UNDEFINED = 0x00; /** Constant for {@link #uiMode}: a {@link #UI_MODE_NIGHT_MASK} * value that corresponds to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NightQualifier">notnight</a> * resource qualifier. */ public static final int UI_MODE_NIGHT_NO = 0x10; /** Constant for {@link #uiMode}: a {@link #UI_MODE_NIGHT_MASK} * value that corresponds to the * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NightQualifier">night</a> * resource qualifier. */ public static final int UI_MODE_NIGHT_YES = 0x20; /** * Bit mask of the ui mode. Currently there are two fields: * <p>The {@link #UI_MODE_TYPE_MASK} bits define the overall ui mode of the * device. They may be one of {@link #UI_MODE_TYPE_UNDEFINED}, * {@link #UI_MODE_TYPE_NORMAL}, {@link #UI_MODE_TYPE_DESK}, * {@link #UI_MODE_TYPE_CAR}, {@link #UI_MODE_TYPE_TELEVISION}, * {@link #UI_MODE_TYPE_APPLIANCE}, {@link #UI_MODE_TYPE_WATCH}, * or {@link #UI_MODE_TYPE_VR_HEADSET}. * * <p>The {@link #UI_MODE_NIGHT_MASK} defines whether the screen * is in a special mode. They may be one of {@link #UI_MODE_NIGHT_UNDEFINED}, * {@link #UI_MODE_NIGHT_NO} or {@link #UI_MODE_NIGHT_YES}. */ public int uiMode; /** * Default value for {@link #screenWidthDp} indicating that no width * has been specified. */ public static final int SCREEN_WIDTH_DP_UNDEFINED = 0; /** * The current width of the available screen space, in dp units, * corresponding to * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenWidthQualifier">screen * width</a> resource qualifier. Set to * {@link #SCREEN_WIDTH_DP_UNDEFINED} if no width is specified. */ public int screenWidthDp; /** * Default value for {@link #screenHeightDp} indicating that no width * has been specified. */ public static final int SCREEN_HEIGHT_DP_UNDEFINED = 0; /** * The current height of the available screen space, in dp units, * corresponding to * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenHeightQualifier">screen * height</a> resource qualifier. Set to * {@link #SCREEN_HEIGHT_DP_UNDEFINED} if no height is specified. */ public int screenHeightDp; /** * Default value for {@link #smallestScreenWidthDp} indicating that no width * has been specified. */ public static final int SMALLEST_SCREEN_WIDTH_DP_UNDEFINED = 0; /** * The smallest screen size an application will see in normal operation, * corresponding to * <a href="{@docRoot}guide/topics/resources/providing-resources.html#SmallestScreenWidthQualifier">smallest * screen width</a> resource qualifier. * This is the smallest value of both screenWidthDp and screenHeightDp * in both portrait and landscape. Set to * {@link #SMALLEST_SCREEN_WIDTH_DP_UNDEFINED} if no width is specified. */ public int smallestScreenWidthDp; /** * Default value for {@link #densityDpi} indicating that no width * has been specified. */ public static final int DENSITY_DPI_UNDEFINED = 0; /** * Value for {@link #densityDpi} for resources that scale to any density (vector drawables). * {@hide} */ public static final int DENSITY_DPI_ANY = 0xfffe; /** * Value for {@link #densityDpi} for resources that are not meant to be scaled. * {@hide} */ public static final int DENSITY_DPI_NONE = 0xffff; /** * The target screen density being rendered to, * corresponding to * <a href="{@docRoot}guide/topics/resources/providing-resources.html#DensityQualifier">density</a> * resource qualifier. Set to * {@link #DENSITY_DPI_UNDEFINED} if no density is specified. */ public int densityDpi; /** @hide Hack to get this information from WM to app running in compat mode. */ public int compatScreenWidthDp; /** @hide Hack to get this information from WM to app running in compat mode. */ public int compatScreenHeightDp; /** @hide Hack to get this information from WM to app running in compat mode. */ public int compatSmallestScreenWidthDp; /** * An undefined assetsSeq. This will not override an existing assetsSeq. * @hide */ public static final int ASSETS_SEQ_UNDEFINED = 0; /** * Internal counter that allows us to piggyback off the configuration change mechanism to * signal to apps that the the assets for an Application have changed. A difference in these * between two Configurations will yield a diff flag of * {@link ActivityInfo#CONFIG_ASSETS_PATHS}. * @hide */ public int assetsSeq; /** * @hide Internal book-keeping. */ @UnsupportedAppUsage public int seq; /** @hide */ @IntDef(flag = true, prefix = { "NATIVE_CONFIG_" }, value = { NATIVE_CONFIG_MCC, NATIVE_CONFIG_MNC, NATIVE_CONFIG_LOCALE, NATIVE_CONFIG_TOUCHSCREEN, NATIVE_CONFIG_KEYBOARD, NATIVE_CONFIG_KEYBOARD_HIDDEN, NATIVE_CONFIG_NAVIGATION, NATIVE_CONFIG_ORIENTATION, NATIVE_CONFIG_DENSITY, NATIVE_CONFIG_SCREEN_SIZE, NATIVE_CONFIG_VERSION, NATIVE_CONFIG_SCREEN_LAYOUT, NATIVE_CONFIG_UI_MODE, NATIVE_CONFIG_SMALLEST_SCREEN_SIZE, NATIVE_CONFIG_LAYOUTDIR, NATIVE_CONFIG_COLOR_MODE, }) @Retention(RetentionPolicy.SOURCE) public @interface NativeConfig { } /** @hide Native-specific bit mask for MCC config; DO NOT USE UNLESS YOU ARE SURE. */ public static final int NATIVE_CONFIG_MCC = 0x0001; /** @hide Native-specific bit mask for MNC config; DO NOT USE UNLESS YOU ARE SURE. */ public static final int NATIVE_CONFIG_MNC = 0x0002; /** @hide Native-specific bit mask for LOCALE config; DO NOT USE UNLESS YOU ARE SURE. */ public static final int NATIVE_CONFIG_LOCALE = 0x0004; /** @hide Native-specific bit mask for TOUCHSCREEN config; DO NOT USE UNLESS YOU ARE SURE. */ public static final int NATIVE_CONFIG_TOUCHSCREEN = 0x0008; /** @hide Native-specific bit mask for KEYBOARD config; DO NOT USE UNLESS YOU ARE SURE. */ public static final int NATIVE_CONFIG_KEYBOARD = 0x0010; /** @hide Native-specific bit mask for KEYBOARD_HIDDEN config; DO NOT USE UNLESS YOU * ARE SURE. */ public static final int NATIVE_CONFIG_KEYBOARD_HIDDEN = 0x0020; /** @hide Native-specific bit mask for NAVIGATION config; DO NOT USE UNLESS YOU ARE SURE. */ public static final int NATIVE_CONFIG_NAVIGATION = 0x0040; /** @hide Native-specific bit mask for ORIENTATION config; DO NOT USE UNLESS YOU ARE SURE. */ public static final int NATIVE_CONFIG_ORIENTATION = 0x0080; /** @hide Native-specific bit mask for DENSITY config; DO NOT USE UNLESS YOU ARE SURE. */ public static final int NATIVE_CONFIG_DENSITY = 0x0100; /** @hide Native-specific bit mask for SCREEN_SIZE config; DO NOT USE UNLESS YOU ARE SURE. */ public static final int NATIVE_CONFIG_SCREEN_SIZE = 0x0200; /** @hide Native-specific bit mask for VERSION config; DO NOT USE UNLESS YOU ARE SURE. */ public static final int NATIVE_CONFIG_VERSION = 0x0400; /** @hide Native-specific bit mask for SCREEN_LAYOUT config; DO NOT USE UNLESS YOU ARE SURE. */ public static final int NATIVE_CONFIG_SCREEN_LAYOUT = 0x0800; /** @hide Native-specific bit mask for UI_MODE config; DO NOT USE UNLESS YOU ARE SURE. */ public static final int NATIVE_CONFIG_UI_MODE = 0x1000; /** @hide Native-specific bit mask for SMALLEST_SCREEN_SIZE config; DO NOT USE UNLESS YOU * ARE SURE. */ public static final int NATIVE_CONFIG_SMALLEST_SCREEN_SIZE = 0x2000; /** @hide Native-specific bit mask for LAYOUTDIR config ; DO NOT USE UNLESS YOU ARE SURE.*/ public static final int NATIVE_CONFIG_LAYOUTDIR = 0x4000; /** @hide Native-specific bit mask for COLOR_MODE config ; DO NOT USE UNLESS YOU ARE SURE.*/ public static final int NATIVE_CONFIG_COLOR_MODE = 0x10000; /** * <p>Construct an invalid Configuration. This state is only suitable for constructing a * Configuration delta that will be applied to some valid Configuration object. In order to * create a valid standalone Configuration, you must call {@link #setToDefaults}. </p> * * <p>Example:</p> * <pre class="prettyprint"> * Configuration validConfig = new Configuration(); * validConfig.setToDefaults(); * * Configuration deltaOnlyConfig = new Configuration(); * deltaOnlyConfig.orientation = Configuration.ORIENTATION_LANDSCAPE; * * validConfig.updateFrom(deltaOnlyConfig); * </pre> */ public Configuration() { unset(); } /** * Makes a deep copy suitable for modification. */ public Configuration(Configuration o) { setTo(o); } /* This brings mLocaleList in sync with locale in case a user of the older API who doesn't know * about setLocales() has changed locale directly. */ private void fixUpLocaleList() { if ((locale == null && !mLocaleList.isEmpty()) || (locale != null && !locale.equals(mLocaleList.get(0)))) { mLocaleList = locale == null ? LocaleList.getEmptyLocaleList() : new LocaleList(locale); } } /** * Sets the fields in this object to those in the given Configuration. * * @param o The Configuration object used to set the values of this Configuration's fields. */ public void setTo(Configuration o) { fontScale = o.fontScale; mcc = o.mcc; mnc = o.mnc; locale = o.locale == null ? null : (Locale) o.locale.clone(); o.fixUpLocaleList(); mLocaleList = o.mLocaleList; userSetLocale = o.userSetLocale; touchscreen = o.touchscreen; keyboard = o.keyboard; keyboardHidden = o.keyboardHidden; hardKeyboardHidden = o.hardKeyboardHidden; navigation = o.navigation; navigationHidden = o.navigationHidden; orientation = o.orientation; screenLayout = o.screenLayout; colorMode = o.colorMode; uiMode = o.uiMode; screenWidthDp = o.screenWidthDp; screenHeightDp = o.screenHeightDp; smallestScreenWidthDp = o.smallestScreenWidthDp; densityDpi = o.densityDpi; compatScreenWidthDp = o.compatScreenWidthDp; compatScreenHeightDp = o.compatScreenHeightDp; compatSmallestScreenWidthDp = o.compatSmallestScreenWidthDp; assetsSeq = o.assetsSeq; seq = o.seq; windowConfiguration.setTo(o.windowConfiguration); } public String toString() { StringBuilder sb = new StringBuilder(128); sb.append("{"); sb.append(fontScale); sb.append(" "); if (mcc != 0) { sb.append(mcc); sb.append("mcc"); } else { sb.append("?mcc"); } if (mnc != 0) { sb.append(mnc); sb.append("mnc"); } else { sb.append("?mnc"); } fixUpLocaleList(); if (!mLocaleList.isEmpty()) { sb.append(" "); sb.append(mLocaleList); } else { sb.append(" ?localeList"); } int layoutDir = (screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK); switch (layoutDir) { case SCREENLAYOUT_LAYOUTDIR_UNDEFINED: sb.append(" ?layoutDir"); break; case SCREENLAYOUT_LAYOUTDIR_LTR: sb.append(" ldltr"); break; case SCREENLAYOUT_LAYOUTDIR_RTL: sb.append(" ldrtl"); break; default: sb.append(" layoutDir="); sb.append(layoutDir >> SCREENLAYOUT_LAYOUTDIR_SHIFT); break; } if (smallestScreenWidthDp != SMALLEST_SCREEN_WIDTH_DP_UNDEFINED) { sb.append(" sw"); sb.append(smallestScreenWidthDp); sb.append("dp"); } else { sb.append(" ?swdp"); } if (screenWidthDp != SCREEN_WIDTH_DP_UNDEFINED) { sb.append(" w"); sb.append(screenWidthDp); sb.append("dp"); } else { sb.append(" ?wdp"); } if (screenHeightDp != SCREEN_HEIGHT_DP_UNDEFINED) { sb.append(" h"); sb.append(screenHeightDp); sb.append("dp"); } else { sb.append(" ?hdp"); } if (densityDpi != DENSITY_DPI_UNDEFINED) { sb.append(" "); sb.append(densityDpi); sb.append("dpi"); } else { sb.append(" ?density"); } switch ((screenLayout & SCREENLAYOUT_SIZE_MASK)) { case SCREENLAYOUT_SIZE_UNDEFINED: sb.append(" ?lsize"); break; case SCREENLAYOUT_SIZE_SMALL: sb.append(" smll"); break; case SCREENLAYOUT_SIZE_NORMAL: sb.append(" nrml"); break; case SCREENLAYOUT_SIZE_LARGE: sb.append(" lrg"); break; case SCREENLAYOUT_SIZE_XLARGE: sb.append(" xlrg"); break; default: sb.append(" layoutSize="); sb.append(screenLayout & SCREENLAYOUT_SIZE_MASK); break; } switch ((screenLayout & SCREENLAYOUT_LONG_MASK)) { case SCREENLAYOUT_LONG_UNDEFINED: sb.append(" ?long"); break; case SCREENLAYOUT_LONG_NO: /* not-long is not interesting to print */ break; case SCREENLAYOUT_LONG_YES: sb.append(" long"); break; default: sb.append(" layoutLong="); sb.append(screenLayout & SCREENLAYOUT_LONG_MASK); break; } switch ((colorMode & COLOR_MODE_HDR_MASK)) { case COLOR_MODE_HDR_UNDEFINED: sb.append(" ?ldr"); break; // most likely not HDR case COLOR_MODE_HDR_NO: /* ldr is not interesting to print */ break; case COLOR_MODE_HDR_YES: sb.append(" hdr"); break; default: sb.append(" dynamicRange="); sb.append(colorMode & COLOR_MODE_HDR_MASK); break; } switch ((colorMode & COLOR_MODE_WIDE_COLOR_GAMUT_MASK)) { case COLOR_MODE_WIDE_COLOR_GAMUT_UNDEFINED: sb.append(" ?wideColorGamut"); break; case COLOR_MODE_WIDE_COLOR_GAMUT_NO: /* not wide is not interesting to print */ break; case COLOR_MODE_WIDE_COLOR_GAMUT_YES: sb.append(" widecg"); break; default: sb.append(" wideColorGamut="); sb.append(colorMode & COLOR_MODE_WIDE_COLOR_GAMUT_MASK); break; } switch (orientation) { case ORIENTATION_UNDEFINED: sb.append(" ?orien"); break; case ORIENTATION_LANDSCAPE: sb.append(" land"); break; case ORIENTATION_PORTRAIT: sb.append(" port"); break; default: sb.append(" orien="); sb.append(orientation); break; } switch ((uiMode & UI_MODE_TYPE_MASK)) { case UI_MODE_TYPE_UNDEFINED: sb.append(" ?uimode"); break; case UI_MODE_TYPE_NORMAL: /* normal is not interesting to print */ break; case UI_MODE_TYPE_DESK: sb.append(" desk"); break; case UI_MODE_TYPE_CAR: sb.append(" car"); break; case UI_MODE_TYPE_TELEVISION: sb.append(" television"); break; case UI_MODE_TYPE_APPLIANCE: sb.append(" appliance"); break; case UI_MODE_TYPE_WATCH: sb.append(" watch"); break; case UI_MODE_TYPE_VR_HEADSET: sb.append(" vrheadset"); break; default: sb.append(" uimode="); sb.append(uiMode & UI_MODE_TYPE_MASK); break; } switch ((uiMode & UI_MODE_NIGHT_MASK)) { case UI_MODE_NIGHT_UNDEFINED: sb.append(" ?night"); break; case UI_MODE_NIGHT_NO: /* not-night is not interesting to print */ break; case UI_MODE_NIGHT_YES: sb.append(" night"); break; default: sb.append(" night="); sb.append(uiMode & UI_MODE_NIGHT_MASK); break; } switch (touchscreen) { case TOUCHSCREEN_UNDEFINED: sb.append(" ?touch"); break; case TOUCHSCREEN_NOTOUCH: sb.append(" -touch"); break; case TOUCHSCREEN_STYLUS: sb.append(" stylus"); break; case TOUCHSCREEN_FINGER: sb.append(" finger"); break; default: sb.append(" touch="); sb.append(touchscreen); break; } switch (keyboard) { case KEYBOARD_UNDEFINED: sb.append(" ?keyb"); break; case KEYBOARD_NOKEYS: sb.append(" -keyb"); break; case KEYBOARD_QWERTY: sb.append(" qwerty"); break; case KEYBOARD_12KEY: sb.append(" 12key"); break; default: sb.append(" keys="); sb.append(keyboard); break; } switch (keyboardHidden) { case KEYBOARDHIDDEN_UNDEFINED: sb.append("/?"); break; case KEYBOARDHIDDEN_NO: sb.append("/v"); break; case KEYBOARDHIDDEN_YES: sb.append("/h"); break; case KEYBOARDHIDDEN_SOFT: sb.append("/s"); break; default: sb.append("/"); sb.append(keyboardHidden); break; } switch (hardKeyboardHidden) { case HARDKEYBOARDHIDDEN_UNDEFINED: sb.append("/?"); break; case HARDKEYBOARDHIDDEN_NO: sb.append("/v"); break; case HARDKEYBOARDHIDDEN_YES: sb.append("/h"); break; default: sb.append("/"); sb.append(hardKeyboardHidden); break; } switch (navigation) { case NAVIGATION_UNDEFINED: sb.append(" ?nav"); break; case NAVIGATION_NONAV: sb.append(" -nav"); break; case NAVIGATION_DPAD: sb.append(" dpad"); break; case NAVIGATION_TRACKBALL: sb.append(" tball"); break; case NAVIGATION_WHEEL: sb.append(" wheel"); break; default: sb.append(" nav="); sb.append(navigation); break; } switch (navigationHidden) { case NAVIGATIONHIDDEN_UNDEFINED: sb.append("/?"); break; case NAVIGATIONHIDDEN_NO: sb.append("/v"); break; case NAVIGATIONHIDDEN_YES: sb.append("/h"); break; default: sb.append("/"); sb.append(navigationHidden); break; } sb.append(" winConfig="); sb.append(windowConfiguration); if (assetsSeq != 0) { sb.append(" as.").append(assetsSeq); } if (seq != 0) { sb.append(" s.").append(seq); } sb.append('}'); return sb.toString(); } /** * Write to a protocol buffer output stream. * Protocol buffer message definition at {@link android.content.ConfigurationProto} * * @param protoOutputStream Stream to write the Configuration object to. * @param fieldId Field Id of the Configuration as defined in the parent message * @hide */ public void writeToProto(ProtoOutputStream protoOutputStream, long fieldId) { final long token = protoOutputStream.start(fieldId); protoOutputStream.write(FONT_SCALE, fontScale); protoOutputStream.write(MCC, mcc); protoOutputStream.write(MNC, mnc); if (mLocaleList != null) { mLocaleList.writeToProto(protoOutputStream, LOCALES); } protoOutputStream.write(SCREEN_LAYOUT, screenLayout); protoOutputStream.write(COLOR_MODE, colorMode); protoOutputStream.write(TOUCHSCREEN, touchscreen); protoOutputStream.write(KEYBOARD, keyboard); protoOutputStream.write(KEYBOARD_HIDDEN, keyboardHidden); protoOutputStream.write(HARD_KEYBOARD_HIDDEN, hardKeyboardHidden); protoOutputStream.write(NAVIGATION, navigation); protoOutputStream.write(NAVIGATION_HIDDEN, navigationHidden); protoOutputStream.write(ORIENTATION, orientation); protoOutputStream.write(UI_MODE, uiMode); protoOutputStream.write(SCREEN_WIDTH_DP, screenWidthDp); protoOutputStream.write(SCREEN_HEIGHT_DP, screenHeightDp); protoOutputStream.write(SMALLEST_SCREEN_WIDTH_DP, smallestScreenWidthDp); protoOutputStream.write(DENSITY_DPI, densityDpi); if (windowConfiguration != null) { windowConfiguration.writeToProto(protoOutputStream, WINDOW_CONFIGURATION); } protoOutputStream.end(token); } /** * Write full {@link android.content.ResourcesConfigurationProto} to protocol buffer output * stream. * * @param protoOutputStream Stream to write the Configuration object to. * @param fieldId Field Id of the Configuration as defined in the parent message * @param metrics Current display information * @hide */ public void writeResConfigToProto(ProtoOutputStream protoOutputStream, long fieldId, DisplayMetrics metrics) { final int width, height; if (metrics.widthPixels >= metrics.heightPixels) { width = metrics.widthPixels; height = metrics.heightPixels; } else { //noinspection SuspiciousNameCombination width = metrics.heightPixels; //noinspection SuspiciousNameCombination height = metrics.widthPixels; } final long token = protoOutputStream.start(fieldId); writeToProto(protoOutputStream, CONFIGURATION); protoOutputStream.write(SDK_VERSION, Build.VERSION.RESOURCES_SDK_INT); protoOutputStream.write(SCREEN_WIDTH_PX, width); protoOutputStream.write(SCREEN_HEIGHT_PX, height); protoOutputStream.end(token); } /** * Convert the UI mode to a human readable format. * @hide */ public static String uiModeToString(int uiMode) { switch (uiMode) { case UI_MODE_TYPE_UNDEFINED: return "UI_MODE_TYPE_UNDEFINED"; case UI_MODE_TYPE_NORMAL: return "UI_MODE_TYPE_NORMAL"; case UI_MODE_TYPE_DESK: return "UI_MODE_TYPE_DESK"; case UI_MODE_TYPE_CAR: return "UI_MODE_TYPE_CAR"; case UI_MODE_TYPE_TELEVISION: return "UI_MODE_TYPE_TELEVISION"; case UI_MODE_TYPE_APPLIANCE: return "UI_MODE_TYPE_APPLIANCE"; case UI_MODE_TYPE_WATCH: return "UI_MODE_TYPE_WATCH"; case UI_MODE_TYPE_VR_HEADSET: return "UI_MODE_TYPE_VR_HEADSET"; default: return Integer.toString(uiMode); } } /** * Set this object to the system defaults. */ public void setToDefaults() { fontScale = 1; mcc = mnc = 0; mLocaleList = LocaleList.getEmptyLocaleList(); locale = null; userSetLocale = false; touchscreen = TOUCHSCREEN_UNDEFINED; keyboard = KEYBOARD_UNDEFINED; keyboardHidden = KEYBOARDHIDDEN_UNDEFINED; hardKeyboardHidden = HARDKEYBOARDHIDDEN_UNDEFINED; navigation = NAVIGATION_UNDEFINED; navigationHidden = NAVIGATIONHIDDEN_UNDEFINED; orientation = ORIENTATION_UNDEFINED; screenLayout = SCREENLAYOUT_UNDEFINED; colorMode = COLOR_MODE_UNDEFINED; uiMode = UI_MODE_TYPE_UNDEFINED; screenWidthDp = compatScreenWidthDp = SCREEN_WIDTH_DP_UNDEFINED; screenHeightDp = compatScreenHeightDp = SCREEN_HEIGHT_DP_UNDEFINED; smallestScreenWidthDp = compatSmallestScreenWidthDp = SMALLEST_SCREEN_WIDTH_DP_UNDEFINED; densityDpi = DENSITY_DPI_UNDEFINED; assetsSeq = ASSETS_SEQ_UNDEFINED; seq = 0; windowConfiguration.setToDefaults(); } /** * Set this object to completely undefined. * @hide */ public void unset() { setToDefaults(); fontScale = 0; } /** {@hide} */ @UnsupportedAppUsage @Deprecated public void makeDefault() { setToDefaults(); } /** * Copies the fields from delta into this Configuration object, keeping * track of which ones have changed. Any undefined fields in {@code delta} * are ignored and not copied in to the current Configuration. * * @return a bit mask of the changed fields, as per {@link #diff} */ public @Config int updateFrom(@NonNull Configuration delta) { int changed = 0; if (delta.fontScale > 0 && fontScale != delta.fontScale) { changed |= ActivityInfo.CONFIG_FONT_SCALE; fontScale = delta.fontScale; } if (delta.mcc != 0 && mcc != delta.mcc) { changed |= ActivityInfo.CONFIG_MCC; mcc = delta.mcc; } if (delta.mnc != 0 && mnc != delta.mnc) { changed |= ActivityInfo.CONFIG_MNC; mnc = delta.mnc; } fixUpLocaleList(); delta.fixUpLocaleList(); if (!delta.mLocaleList.isEmpty() && !mLocaleList.equals(delta.mLocaleList)) { changed |= ActivityInfo.CONFIG_LOCALE; mLocaleList = delta.mLocaleList; // delta.locale can't be null, since delta.mLocaleList is not empty. if (!delta.locale.equals(locale)) { locale = (Locale) delta.locale.clone(); // If locale has changed, then layout direction is also changed ... changed |= ActivityInfo.CONFIG_LAYOUT_DIRECTION; // ... and we need to update the layout direction (represented by the first // 2 most significant bits in screenLayout). setLayoutDirection(locale); } } final int deltaScreenLayoutDir = delta.screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK; if (deltaScreenLayoutDir != SCREENLAYOUT_LAYOUTDIR_UNDEFINED && deltaScreenLayoutDir != (screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK)) { screenLayout = (screenLayout & ~SCREENLAYOUT_LAYOUTDIR_MASK) | deltaScreenLayoutDir; changed |= ActivityInfo.CONFIG_LAYOUT_DIRECTION; } if (delta.userSetLocale && (!userSetLocale || ((changed & ActivityInfo.CONFIG_LOCALE) != 0))) { changed |= ActivityInfo.CONFIG_LOCALE; userSetLocale = true; } if (delta.touchscreen != TOUCHSCREEN_UNDEFINED && touchscreen != delta.touchscreen) { changed |= ActivityInfo.CONFIG_TOUCHSCREEN; touchscreen = delta.touchscreen; } if (delta.keyboard != KEYBOARD_UNDEFINED && keyboard != delta.keyboard) { changed |= ActivityInfo.CONFIG_KEYBOARD; keyboard = delta.keyboard; } if (delta.keyboardHidden != KEYBOARDHIDDEN_UNDEFINED && keyboardHidden != delta.keyboardHidden) { changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; keyboardHidden = delta.keyboardHidden; } if (delta.hardKeyboardHidden != HARDKEYBOARDHIDDEN_UNDEFINED && hardKeyboardHidden != delta.hardKeyboardHidden) { changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; hardKeyboardHidden = delta.hardKeyboardHidden; } if (delta.navigation != NAVIGATION_UNDEFINED && navigation != delta.navigation) { changed |= ActivityInfo.CONFIG_NAVIGATION; navigation = delta.navigation; } if (delta.navigationHidden != NAVIGATIONHIDDEN_UNDEFINED && navigationHidden != delta.navigationHidden) { changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; navigationHidden = delta.navigationHidden; } if (delta.orientation != ORIENTATION_UNDEFINED && orientation != delta.orientation) { changed |= ActivityInfo.CONFIG_ORIENTATION; orientation = delta.orientation; } if (((delta.screenLayout & SCREENLAYOUT_SIZE_MASK) != SCREENLAYOUT_SIZE_UNDEFINED) && (delta.screenLayout & SCREENLAYOUT_SIZE_MASK) != (screenLayout & SCREENLAYOUT_SIZE_MASK)) { changed |= ActivityInfo.CONFIG_SCREEN_LAYOUT; screenLayout = (screenLayout & ~SCREENLAYOUT_SIZE_MASK) | (delta.screenLayout & SCREENLAYOUT_SIZE_MASK); } if (((delta.screenLayout & SCREENLAYOUT_LONG_MASK) != SCREENLAYOUT_LONG_UNDEFINED) && (delta.screenLayout & SCREENLAYOUT_LONG_MASK) != (screenLayout & SCREENLAYOUT_LONG_MASK)) { changed |= ActivityInfo.CONFIG_SCREEN_LAYOUT; screenLayout = (screenLayout & ~SCREENLAYOUT_LONG_MASK) | (delta.screenLayout & SCREENLAYOUT_LONG_MASK); } if (((delta.screenLayout & SCREENLAYOUT_ROUND_MASK) != SCREENLAYOUT_ROUND_UNDEFINED) && (delta.screenLayout & SCREENLAYOUT_ROUND_MASK) != (screenLayout & SCREENLAYOUT_ROUND_MASK)) { changed |= ActivityInfo.CONFIG_SCREEN_LAYOUT; screenLayout = (screenLayout & ~SCREENLAYOUT_ROUND_MASK) | (delta.screenLayout & SCREENLAYOUT_ROUND_MASK); } if ((delta.screenLayout & SCREENLAYOUT_COMPAT_NEEDED) != (screenLayout & SCREENLAYOUT_COMPAT_NEEDED) && delta.screenLayout != 0) { changed |= ActivityInfo.CONFIG_SCREEN_LAYOUT; screenLayout = (screenLayout & ~SCREENLAYOUT_COMPAT_NEEDED) | (delta.screenLayout & SCREENLAYOUT_COMPAT_NEEDED); } if (((delta.colorMode & COLOR_MODE_WIDE_COLOR_GAMUT_MASK) != COLOR_MODE_WIDE_COLOR_GAMUT_UNDEFINED) && (delta.colorMode & COLOR_MODE_WIDE_COLOR_GAMUT_MASK) != (colorMode & COLOR_MODE_WIDE_COLOR_GAMUT_MASK)) { changed |= ActivityInfo.CONFIG_COLOR_MODE; colorMode = (colorMode & ~COLOR_MODE_WIDE_COLOR_GAMUT_MASK) | (delta.colorMode & COLOR_MODE_WIDE_COLOR_GAMUT_MASK); } if (((delta.colorMode & COLOR_MODE_HDR_MASK) != COLOR_MODE_HDR_UNDEFINED) && (delta.colorMode & COLOR_MODE_HDR_MASK) != (colorMode & COLOR_MODE_HDR_MASK)) { changed |= ActivityInfo.CONFIG_COLOR_MODE; colorMode = (colorMode & ~COLOR_MODE_HDR_MASK) | (delta.colorMode & COLOR_MODE_HDR_MASK); } if (delta.uiMode != (UI_MODE_TYPE_UNDEFINED | UI_MODE_NIGHT_UNDEFINED) && uiMode != delta.uiMode) { changed |= ActivityInfo.CONFIG_UI_MODE; if ((delta.uiMode & UI_MODE_TYPE_MASK) != UI_MODE_TYPE_UNDEFINED) { uiMode = (uiMode & ~UI_MODE_TYPE_MASK) | (delta.uiMode & UI_MODE_TYPE_MASK); } if ((delta.uiMode & UI_MODE_NIGHT_MASK) != UI_MODE_NIGHT_UNDEFINED) { uiMode = (uiMode & ~UI_MODE_NIGHT_MASK) | (delta.uiMode & UI_MODE_NIGHT_MASK); } } if (delta.screenWidthDp != SCREEN_WIDTH_DP_UNDEFINED && screenWidthDp != delta.screenWidthDp) { changed |= ActivityInfo.CONFIG_SCREEN_SIZE; screenWidthDp = delta.screenWidthDp; } if (delta.screenHeightDp != SCREEN_HEIGHT_DP_UNDEFINED && screenHeightDp != delta.screenHeightDp) { changed |= ActivityInfo.CONFIG_SCREEN_SIZE; screenHeightDp = delta.screenHeightDp; } if (delta.smallestScreenWidthDp != SMALLEST_SCREEN_WIDTH_DP_UNDEFINED && smallestScreenWidthDp != delta.smallestScreenWidthDp) { changed |= ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE; smallestScreenWidthDp = delta.smallestScreenWidthDp; } if (delta.densityDpi != DENSITY_DPI_UNDEFINED && densityDpi != delta.densityDpi) { changed |= ActivityInfo.CONFIG_DENSITY; densityDpi = delta.densityDpi; } if (delta.compatScreenWidthDp != SCREEN_WIDTH_DP_UNDEFINED) { compatScreenWidthDp = delta.compatScreenWidthDp; } if (delta.compatScreenHeightDp != SCREEN_HEIGHT_DP_UNDEFINED) { compatScreenHeightDp = delta.compatScreenHeightDp; } if (delta.compatSmallestScreenWidthDp != SMALLEST_SCREEN_WIDTH_DP_UNDEFINED) { compatSmallestScreenWidthDp = delta.compatSmallestScreenWidthDp; } if (delta.assetsSeq != ASSETS_SEQ_UNDEFINED && delta.assetsSeq != assetsSeq) { changed |= ActivityInfo.CONFIG_ASSETS_PATHS; assetsSeq = delta.assetsSeq; } if (delta.seq != 0) { seq = delta.seq; } if (windowConfiguration.updateFrom(delta.windowConfiguration) != 0) { changed |= ActivityInfo.CONFIG_WINDOW_CONFIGURATION; } return changed; } /** * Return a bit mask of the differences between this Configuration * object and the given one. Does not change the values of either. Any * undefined fields in <var>delta</var> are ignored. * @return Returns a bit mask indicating which configuration * values has changed, containing any combination of * {@link android.content.pm.ActivityInfo#CONFIG_FONT_SCALE * PackageManager.ActivityInfo.CONFIG_FONT_SCALE}, * {@link android.content.pm.ActivityInfo#CONFIG_MCC * PackageManager.ActivityInfo.CONFIG_MCC}, * {@link android.content.pm.ActivityInfo#CONFIG_MNC * PackageManager.ActivityInfo.CONFIG_MNC}, * {@link android.content.pm.ActivityInfo#CONFIG_LOCALE * PackageManager.ActivityInfo.CONFIG_LOCALE}, * {@link android.content.pm.ActivityInfo#CONFIG_TOUCHSCREEN * PackageManager.ActivityInfo.CONFIG_TOUCHSCREEN}, * {@link android.content.pm.ActivityInfo#CONFIG_KEYBOARD * PackageManager.ActivityInfo.CONFIG_KEYBOARD}, * {@link android.content.pm.ActivityInfo#CONFIG_NAVIGATION * PackageManager.ActivityInfo.CONFIG_NAVIGATION}, * {@link android.content.pm.ActivityInfo#CONFIG_ORIENTATION * PackageManager.ActivityInfo.CONFIG_ORIENTATION}, * {@link android.content.pm.ActivityInfo#CONFIG_SCREEN_LAYOUT * PackageManager.ActivityInfo.CONFIG_SCREEN_LAYOUT}, or * {@link android.content.pm.ActivityInfo#CONFIG_SCREEN_SIZE * PackageManager.ActivityInfo.CONFIG_SCREEN_SIZE}, or * {@link android.content.pm.ActivityInfo#CONFIG_SMALLEST_SCREEN_SIZE * PackageManager.ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE}. * {@link android.content.pm.ActivityInfo#CONFIG_LAYOUT_DIRECTION * PackageManager.ActivityInfo.CONFIG_LAYOUT_DIRECTION}. */ public int diff(Configuration delta) { return diff(delta, false /* compareUndefined */, false /* publicOnly */); } /** * Returns the diff against the provided {@link Configuration} excluding values that would * publicly be equivalent, such as appBounds. * @param delta {@link Configuration} to compare to. * * TODO(b/36812336): Remove once appBounds has been moved out of Configuration. * {@hide} */ public int diffPublicOnly(Configuration delta) { return diff(delta, false /* compareUndefined */, true /* publicOnly */); } /** * Variation of {@link #diff(Configuration)} with an option to skip checks for undefined values. * * @hide */ public int diff(Configuration delta, boolean compareUndefined, boolean publicOnly) { int changed = 0; if ((compareUndefined || delta.fontScale > 0) && fontScale != delta.fontScale) { changed |= ActivityInfo.CONFIG_FONT_SCALE; } if ((compareUndefined || delta.mcc != 0) && mcc != delta.mcc) { changed |= ActivityInfo.CONFIG_MCC; } if ((compareUndefined || delta.mnc != 0) && mnc != delta.mnc) { changed |= ActivityInfo.CONFIG_MNC; } fixUpLocaleList(); delta.fixUpLocaleList(); if ((compareUndefined || !delta.mLocaleList.isEmpty()) && !mLocaleList.equals(delta.mLocaleList)) { changed |= ActivityInfo.CONFIG_LOCALE; changed |= ActivityInfo.CONFIG_LAYOUT_DIRECTION; } final int deltaScreenLayoutDir = delta.screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK; if ((compareUndefined || deltaScreenLayoutDir != SCREENLAYOUT_LAYOUTDIR_UNDEFINED) && deltaScreenLayoutDir != (screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK)) { changed |= ActivityInfo.CONFIG_LAYOUT_DIRECTION; } if ((compareUndefined || delta.touchscreen != TOUCHSCREEN_UNDEFINED) && touchscreen != delta.touchscreen) { changed |= ActivityInfo.CONFIG_TOUCHSCREEN; } if ((compareUndefined || delta.keyboard != KEYBOARD_UNDEFINED) && keyboard != delta.keyboard) { changed |= ActivityInfo.CONFIG_KEYBOARD; } if ((compareUndefined || delta.keyboardHidden != KEYBOARDHIDDEN_UNDEFINED) && keyboardHidden != delta.keyboardHidden) { changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; } if ((compareUndefined || delta.hardKeyboardHidden != HARDKEYBOARDHIDDEN_UNDEFINED) && hardKeyboardHidden != delta.hardKeyboardHidden) { changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; } if ((compareUndefined || delta.navigation != NAVIGATION_UNDEFINED) && navigation != delta.navigation) { changed |= ActivityInfo.CONFIG_NAVIGATION; } if ((compareUndefined || delta.navigationHidden != NAVIGATIONHIDDEN_UNDEFINED) && navigationHidden != delta.navigationHidden) { changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; } if ((compareUndefined || delta.orientation != ORIENTATION_UNDEFINED) && orientation != delta.orientation) { changed |= ActivityInfo.CONFIG_ORIENTATION; } if ((compareUndefined || getScreenLayoutNoDirection( delta.screenLayout) != (SCREENLAYOUT_SIZE_UNDEFINED | SCREENLAYOUT_LONG_UNDEFINED)) && getScreenLayoutNoDirection(screenLayout) != getScreenLayoutNoDirection(delta.screenLayout)) { changed |= ActivityInfo.CONFIG_SCREEN_LAYOUT; } if ((compareUndefined || (delta.colorMode & COLOR_MODE_HDR_MASK) != COLOR_MODE_HDR_UNDEFINED) && (colorMode & COLOR_MODE_HDR_MASK) != (delta.colorMode & COLOR_MODE_HDR_MASK)) { changed |= ActivityInfo.CONFIG_COLOR_MODE; } if ((compareUndefined || (delta.colorMode & COLOR_MODE_WIDE_COLOR_GAMUT_MASK) != COLOR_MODE_WIDE_COLOR_GAMUT_UNDEFINED) && (colorMode & COLOR_MODE_WIDE_COLOR_GAMUT_MASK) != (delta.colorMode & COLOR_MODE_WIDE_COLOR_GAMUT_MASK)) { changed |= ActivityInfo.CONFIG_COLOR_MODE; } if ((compareUndefined || delta.uiMode != (UI_MODE_TYPE_UNDEFINED | UI_MODE_NIGHT_UNDEFINED)) && uiMode != delta.uiMode) { changed |= ActivityInfo.CONFIG_UI_MODE; } if ((compareUndefined || delta.screenWidthDp != SCREEN_WIDTH_DP_UNDEFINED) && screenWidthDp != delta.screenWidthDp) { changed |= ActivityInfo.CONFIG_SCREEN_SIZE; } if ((compareUndefined || delta.screenHeightDp != SCREEN_HEIGHT_DP_UNDEFINED) && screenHeightDp != delta.screenHeightDp) { changed |= ActivityInfo.CONFIG_SCREEN_SIZE; } if ((compareUndefined || delta.smallestScreenWidthDp != SMALLEST_SCREEN_WIDTH_DP_UNDEFINED) && smallestScreenWidthDp != delta.smallestScreenWidthDp) { changed |= ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE; } if ((compareUndefined || delta.densityDpi != DENSITY_DPI_UNDEFINED) && densityDpi != delta.densityDpi) { changed |= ActivityInfo.CONFIG_DENSITY; } if ((compareUndefined || delta.assetsSeq != ASSETS_SEQ_UNDEFINED) && assetsSeq != delta.assetsSeq) { changed |= ActivityInfo.CONFIG_ASSETS_PATHS; } // WindowConfiguration differences aren't considered public... if (!publicOnly && windowConfiguration.diff(delta.windowConfiguration, compareUndefined) != 0) { changed |= ActivityInfo.CONFIG_WINDOW_CONFIGURATION; } return changed; } /** * Determines if a new resource needs to be loaded from the bit set of * configuration changes returned by {@link #updateFrom(Configuration)}. * * @param configChanges the mask of changes configurations as returned by * {@link #updateFrom(Configuration)} * @param interestingChanges the configuration changes that the resource * can handle as given in * {@link android.util.TypedValue#changingConfigurations} * @return {@code true} if the resource needs to be loaded, {@code false} * otherwise */ public static boolean needNewResources(@Config int configChanges, @Config int interestingChanges) { // CONFIG_ASSETS_PATHS and CONFIG_FONT_SCALE are higher level configuration changes that // all resources are subject to change with. interestingChanges = interestingChanges | ActivityInfo.CONFIG_ASSETS_PATHS | ActivityInfo.CONFIG_FONT_SCALE; return (configChanges & interestingChanges) != 0; } /** * @hide Return true if the sequence of 'other' is better than this. Assumes * that 'this' is your current sequence and 'other' is a new one you have * received some how and want to compare with what you have. */ public boolean isOtherSeqNewer(Configuration other) { if (other == null) { // Sanity check. return false; } if (other.seq == 0) { // If the other sequence is not specified, then we must assume // it is newer since we don't know any better. return true; } if (seq == 0) { // If this sequence is not specified, then we also consider the // other is better. Yes we have a preference for other. Sue us. return true; } int diff = other.seq - seq; if (diff > 0x10000) { // If there has been a sufficiently large jump, assume the // sequence has wrapped around. return false; } return diff > 0; } /** * Parcelable methods */ public int describeContents() { return 0; } public void writeToParcel(Parcel dest, int flags) { dest.writeFloat(fontScale); dest.writeInt(mcc); dest.writeInt(mnc); fixUpLocaleList(); dest.writeParcelable(mLocaleList, flags); if (userSetLocale) { dest.writeInt(1); } else { dest.writeInt(0); } dest.writeInt(touchscreen); dest.writeInt(keyboard); dest.writeInt(keyboardHidden); dest.writeInt(hardKeyboardHidden); dest.writeInt(navigation); dest.writeInt(navigationHidden); dest.writeInt(orientation); dest.writeInt(screenLayout); dest.writeInt(colorMode); dest.writeInt(uiMode); dest.writeInt(screenWidthDp); dest.writeInt(screenHeightDp); dest.writeInt(smallestScreenWidthDp); dest.writeInt(densityDpi); dest.writeInt(compatScreenWidthDp); dest.writeInt(compatScreenHeightDp); dest.writeInt(compatSmallestScreenWidthDp); dest.writeValue(windowConfiguration); dest.writeInt(assetsSeq); dest.writeInt(seq); } public void readFromParcel(Parcel source) { fontScale = source.readFloat(); mcc = source.readInt(); mnc = source.readInt(); mLocaleList = source.readParcelable(LocaleList.class.getClassLoader()); locale = mLocaleList.get(0); userSetLocale = (source.readInt() == 1); touchscreen = source.readInt(); keyboard = source.readInt(); keyboardHidden = source.readInt(); hardKeyboardHidden = source.readInt(); navigation = source.readInt(); navigationHidden = source.readInt(); orientation = source.readInt(); screenLayout = source.readInt(); colorMode = source.readInt(); uiMode = source.readInt(); screenWidthDp = source.readInt(); screenHeightDp = source.readInt(); smallestScreenWidthDp = source.readInt(); densityDpi = source.readInt(); compatScreenWidthDp = source.readInt(); compatScreenHeightDp = source.readInt(); compatSmallestScreenWidthDp = source.readInt(); windowConfiguration.setTo((WindowConfiguration) source.readValue(null)); assetsSeq = source.readInt(); seq = source.readInt(); } public static final Parcelable.Creator<Configuration> CREATOR = new Parcelable.Creator<Configuration>() { public Configuration createFromParcel(Parcel source) { return new Configuration(source); } public Configuration[] newArray(int size) { return new Configuration[size]; } }; /** * Construct this Configuration object, reading from the Parcel. */ private Configuration(Parcel source) { readFromParcel(source); } public int compareTo(Configuration that) { int n; float a = this.fontScale; float b = that.fontScale; if (a < b) return -1; if (a > b) return 1; n = this.mcc - that.mcc; if (n != 0) return n; n = this.mnc - that.mnc; if (n != 0) return n; fixUpLocaleList(); that.fixUpLocaleList(); // for backward compatibility, we consider an empty locale list to be greater // than any non-empty locale list. if (this.mLocaleList.isEmpty()) { if (!that.mLocaleList.isEmpty()) return 1; } else if (that.mLocaleList.isEmpty()) { return -1; } else { final int minSize = Math.min(this.mLocaleList.size(), that.mLocaleList.size()); for (int i = 0; i < minSize; ++i) { final Locale thisLocale = this.mLocaleList.get(i); final Locale thatLocale = that.mLocaleList.get(i); n = thisLocale.getLanguage().compareTo(thatLocale.getLanguage()); if (n != 0) return n; n = thisLocale.getCountry().compareTo(thatLocale.getCountry()); if (n != 0) return n; n = thisLocale.getVariant().compareTo(thatLocale.getVariant()); if (n != 0) return n; n = thisLocale.toLanguageTag().compareTo(thatLocale.toLanguageTag()); if (n != 0) return n; } n = this.mLocaleList.size() - that.mLocaleList.size(); if (n != 0) return n; } n = this.touchscreen - that.touchscreen; if (n != 0) return n; n = this.keyboard - that.keyboard; if (n != 0) return n; n = this.keyboardHidden - that.keyboardHidden; if (n != 0) return n; n = this.hardKeyboardHidden - that.hardKeyboardHidden; if (n != 0) return n; n = this.navigation - that.navigation; if (n != 0) return n; n = this.navigationHidden - that.navigationHidden; if (n != 0) return n; n = this.orientation - that.orientation; if (n != 0) return n; n = this.colorMode - that.colorMode; if (n != 0) return n; n = this.screenLayout - that.screenLayout; if (n != 0) return n; n = this.uiMode - that.uiMode; if (n != 0) return n; n = this.screenWidthDp - that.screenWidthDp; if (n != 0) return n; n = this.screenHeightDp - that.screenHeightDp; if (n != 0) return n; n = this.smallestScreenWidthDp - that.smallestScreenWidthDp; if (n != 0) return n; n = this.densityDpi - that.densityDpi; if (n != 0) return n; n = this.assetsSeq - that.assetsSeq; if (n != 0) return n; n = windowConfiguration.compareTo(that.windowConfiguration); if (n != 0) return n; // if (n != 0) return n; return n; } public boolean equals(Configuration that) { if (that == null) return false; if (that == this) return true; return this.compareTo(that) == 0; } public boolean equals(Object that) { try { return equals((Configuration) that); } catch (ClassCastException e) { } return false; } public int hashCode() { int result = 17; result = 31 * result + Float.floatToIntBits(fontScale); result = 31 * result + mcc; result = 31 * result + mnc; result = 31 * result + mLocaleList.hashCode(); result = 31 * result + touchscreen; result = 31 * result + keyboard; result = 31 * result + keyboardHidden; result = 31 * result + hardKeyboardHidden; result = 31 * result + navigation; result = 31 * result + navigationHidden; result = 31 * result + orientation; result = 31 * result + screenLayout; result = 31 * result + colorMode; result = 31 * result + uiMode; result = 31 * result + screenWidthDp; result = 31 * result + screenHeightDp; result = 31 * result + smallestScreenWidthDp; result = 31 * result + densityDpi; result = 31 * result + assetsSeq; return result; } /** * Get the locale list. This is the preferred way for getting the locales (instead of using * the direct accessor to {@link #locale}, which would only provide the primary locale). * * @return The locale list. */ public @NonNull LocaleList getLocales() { fixUpLocaleList(); return mLocaleList; } /** * Set the locale list. This is the preferred way for setting up the locales (instead of using * the direct accessor or {@link #setLocale(Locale)}). This will also set the layout direction * according to the first locale in the list. * * Note that the layout direction will always come from the first locale in the locale list, * even if the locale is not supported by the resources (the resources may only support * another locale further down the list which has a different direction). * * @param locales The locale list. If null, an empty LocaleList will be assigned. */ public void setLocales(@Nullable LocaleList locales) { mLocaleList = locales == null ? LocaleList.getEmptyLocaleList() : locales; locale = mLocaleList.get(0); setLayoutDirection(locale); } /** * Set the locale list to a list of just one locale. This will also set the layout direction * according to the locale. * * Note that after this is run, calling <code>.equals()</code> on the input locale and the * {@link #locale} attribute would return <code>true</code> if they are not null, but there is * no guarantee that they would be the same object. * * See also the note about layout direction in {@link #setLocales(LocaleList)}. * * @param loc The locale. Can be null. */ public void setLocale(@Nullable Locale loc) { setLocales(loc == null ? LocaleList.getEmptyLocaleList() : new LocaleList(loc)); } /** * @hide * * Clears the locale without changing layout direction. */ public void clearLocales() { mLocaleList = LocaleList.getEmptyLocaleList(); locale = null; } /** * Return the layout direction. Will be either {@link View#LAYOUT_DIRECTION_LTR} or * {@link View#LAYOUT_DIRECTION_RTL}. * * @return Returns {@link View#LAYOUT_DIRECTION_RTL} if the configuration * is {@link #SCREENLAYOUT_LAYOUTDIR_RTL}, otherwise {@link View#LAYOUT_DIRECTION_LTR}. */ public int getLayoutDirection() { return (screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK) == SCREENLAYOUT_LAYOUTDIR_RTL ? View.LAYOUT_DIRECTION_RTL : View.LAYOUT_DIRECTION_LTR; } /** * Set the layout direction from a Locale. * * @param loc The Locale. If null will set the layout direction to * {@link View#LAYOUT_DIRECTION_LTR}. If not null will set it to the layout direction * corresponding to the Locale. * * @see View#LAYOUT_DIRECTION_LTR * @see View#LAYOUT_DIRECTION_RTL */ public void setLayoutDirection(Locale loc) { // There is a "1" difference between the configuration values for // layout direction and View constants for layout direction, just add "1". final int layoutDirection = 1 + TextUtils.getLayoutDirectionFromLocale(loc); screenLayout = (screenLayout & ~SCREENLAYOUT_LAYOUTDIR_MASK) | (layoutDirection << SCREENLAYOUT_LAYOUTDIR_SHIFT); } private static int getScreenLayoutNoDirection(int screenLayout) { return screenLayout & ~SCREENLAYOUT_LAYOUTDIR_MASK; } /** * Return whether the screen has a round shape. Apps may choose to change styling based * on this property, such as the alignment or layout of text or informational icons. * * @return true if the screen is rounded, false otherwise */ public boolean isScreenRound() { return (screenLayout & SCREENLAYOUT_ROUND_MASK) == SCREENLAYOUT_ROUND_YES; } /** * Return whether the screen has a wide color gamut and wide color gamut rendering * is supported by this device. * * When true, it implies the screen is colorspace aware but not * necessarily color-managed. The final colors may still be changed by the * screen depending on user settings. * * @return true if the screen has a wide color gamut and wide color gamut rendering * is supported, false otherwise */ public boolean isScreenWideColorGamut() { return (colorMode & COLOR_MODE_WIDE_COLOR_GAMUT_MASK) == COLOR_MODE_WIDE_COLOR_GAMUT_YES; } /** * Return whether the screen has a high dynamic range. * * @return true if the screen has a high dynamic range, false otherwise */ public boolean isScreenHdr() { return (colorMode & COLOR_MODE_HDR_MASK) == COLOR_MODE_HDR_YES; } /** * * @hide */ public static String localesToResourceQualifier(LocaleList locs) { final StringBuilder sb = new StringBuilder(); for (int i = 0; i < locs.size(); i++) { final Locale loc = locs.get(i); final int l = loc.getLanguage().length(); if (l == 0) { continue; } final int s = loc.getScript().length(); final int c = loc.getCountry().length(); final int v = loc.getVariant().length(); // We ignore locale extensions, since they are not supported by AAPT if (sb.length() != 0) { sb.append(","); } if (l == 2 && s == 0 && (c == 0 || c == 2) && v == 0) { // Traditional locale format: xx or xx-rYY sb.append(loc.getLanguage()); if (c == 2) { sb.append("-r").append(loc.getCountry()); } } else { sb.append("b+"); sb.append(loc.getLanguage()); if (s != 0) { sb.append("+"); sb.append(loc.getScript()); } if (c != 0) { sb.append("+"); sb.append(loc.getCountry()); } if (v != 0) { sb.append("+"); sb.append(loc.getVariant()); } } } return sb.toString(); } /** * Returns a string representation of the configuration that can be parsed * by build tools (like AAPT), without display metrics included * * @hide */ @UnsupportedAppUsage public static String resourceQualifierString(Configuration config) { return resourceQualifierString(config, null); } /** * Returns a string representation of the configuration that can be parsed * by build tools (like AAPT). * * @hide */ public static String resourceQualifierString(Configuration config, DisplayMetrics metrics) { ArrayList<String> parts = new ArrayList<String>(); if (config.mcc != 0) { parts.add("mcc" + config.mcc); if (config.mnc != 0) { parts.add("mnc" + config.mnc); } } if (!config.mLocaleList.isEmpty()) { final String resourceQualifier = localesToResourceQualifier(config.mLocaleList); if (!resourceQualifier.isEmpty()) { parts.add(resourceQualifier); } } switch (config.screenLayout & Configuration.SCREENLAYOUT_LAYOUTDIR_MASK) { case Configuration.SCREENLAYOUT_LAYOUTDIR_LTR: parts.add("ldltr"); break; case Configuration.SCREENLAYOUT_LAYOUTDIR_RTL: parts.add("ldrtl"); break; default: break; } if (config.smallestScreenWidthDp != 0) { parts.add("sw" + config.smallestScreenWidthDp + "dp"); } if (config.screenWidthDp != 0) { parts.add("w" + config.screenWidthDp + "dp"); } if (config.screenHeightDp != 0) { parts.add("h" + config.screenHeightDp + "dp"); } switch (config.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) { case Configuration.SCREENLAYOUT_SIZE_SMALL: parts.add("small"); break; case Configuration.SCREENLAYOUT_SIZE_NORMAL: parts.add("normal"); break; case Configuration.SCREENLAYOUT_SIZE_LARGE: parts.add("large"); break; case Configuration.SCREENLAYOUT_SIZE_XLARGE: parts.add("xlarge"); break; default: break; } switch (config.screenLayout & Configuration.SCREENLAYOUT_LONG_MASK) { case Configuration.SCREENLAYOUT_LONG_YES: parts.add("long"); break; case Configuration.SCREENLAYOUT_LONG_NO: parts.add("notlong"); break; default: break; } switch (config.screenLayout & Configuration.SCREENLAYOUT_ROUND_MASK) { case Configuration.SCREENLAYOUT_ROUND_YES: parts.add("round"); break; case Configuration.SCREENLAYOUT_ROUND_NO: parts.add("notround"); break; default: break; } switch (config.colorMode & Configuration.COLOR_MODE_HDR_MASK) { case Configuration.COLOR_MODE_HDR_YES: parts.add("highdr"); break; case Configuration.COLOR_MODE_HDR_NO: parts.add("lowdr"); break; default: break; } switch (config.colorMode & Configuration.COLOR_MODE_WIDE_COLOR_GAMUT_MASK) { case Configuration.COLOR_MODE_WIDE_COLOR_GAMUT_YES: parts.add("widecg"); break; case Configuration.COLOR_MODE_WIDE_COLOR_GAMUT_NO: parts.add("nowidecg"); break; default: break; } switch (config.orientation) { case Configuration.ORIENTATION_LANDSCAPE: parts.add("land"); break; case Configuration.ORIENTATION_PORTRAIT: parts.add("port"); break; default: break; } switch (config.uiMode & Configuration.UI_MODE_TYPE_MASK) { case Configuration.UI_MODE_TYPE_APPLIANCE: parts.add("appliance"); break; case Configuration.UI_MODE_TYPE_DESK: parts.add("desk"); break; case Configuration.UI_MODE_TYPE_TELEVISION: parts.add("television"); break; case Configuration.UI_MODE_TYPE_CAR: parts.add("car"); break; case Configuration.UI_MODE_TYPE_WATCH: parts.add("watch"); break; case Configuration.UI_MODE_TYPE_VR_HEADSET: parts.add("vrheadset"); break; default: break; } switch (config.uiMode & Configuration.UI_MODE_NIGHT_MASK) { case Configuration.UI_MODE_NIGHT_YES: parts.add("night"); break; case Configuration.UI_MODE_NIGHT_NO: parts.add("notnight"); break; default: break; } switch (config.densityDpi) { case DENSITY_DPI_UNDEFINED: break; case 120: parts.add("ldpi"); break; case 160: parts.add("mdpi"); break; case 213: parts.add("tvdpi"); break; case 240: parts.add("hdpi"); break; case 320: parts.add("xhdpi"); break; case 480: parts.add("xxhdpi"); break; case 640: parts.add("xxxhdpi"); break; case DENSITY_DPI_ANY: parts.add("anydpi"); break; case DENSITY_DPI_NONE: parts.add("nodpi"); break; default: parts.add(config.densityDpi + "dpi"); break; } switch (config.touchscreen) { case Configuration.TOUCHSCREEN_NOTOUCH: parts.add("notouch"); break; case Configuration.TOUCHSCREEN_FINGER: parts.add("finger"); break; default: break; } switch (config.keyboardHidden) { case Configuration.KEYBOARDHIDDEN_NO: parts.add("keysexposed"); break; case Configuration.KEYBOARDHIDDEN_YES: parts.add("keyshidden"); break; case Configuration.KEYBOARDHIDDEN_SOFT: parts.add("keyssoft"); break; default: break; } switch (config.keyboard) { case Configuration.KEYBOARD_NOKEYS: parts.add("nokeys"); break; case Configuration.KEYBOARD_QWERTY: parts.add("qwerty"); break; case Configuration.KEYBOARD_12KEY: parts.add("12key"); break; default: break; } switch (config.navigationHidden) { case Configuration.NAVIGATIONHIDDEN_NO: parts.add("navexposed"); break; case Configuration.NAVIGATIONHIDDEN_YES: parts.add("navhidden"); break; default: break; } switch (config.navigation) { case Configuration.NAVIGATION_NONAV: parts.add("nonav"); break; case Configuration.NAVIGATION_DPAD: parts.add("dpad"); break; case Configuration.NAVIGATION_TRACKBALL: parts.add("trackball"); break; case Configuration.NAVIGATION_WHEEL: parts.add("wheel"); break; default: break; } if (metrics != null) { final int width, height; if (metrics.widthPixels >= metrics.heightPixels) { width = metrics.widthPixels; height = metrics.heightPixels; } else { //noinspection SuspiciousNameCombination width = metrics.heightPixels; //noinspection SuspiciousNameCombination height = metrics.widthPixels; } parts.add(width + "x" + height); } parts.add("v" + Build.VERSION.RESOURCES_SDK_INT); return TextUtils.join("-", parts); } /** * Generate a delta Configuration between <code>base</code> and <code>change</code>. The * resulting delta can be used with {@link #updateFrom(Configuration)}. * <p /> * Caveat: If the any of the Configuration's members becomes undefined, then * {@link #updateFrom(Configuration)} will treat it as a no-op and not update that member. * * This is fine for device configurations as no member is ever undefined. * {@hide} */ @UnsupportedAppUsage public static Configuration generateDelta(Configuration base, Configuration change) { final Configuration delta = new Configuration(); if (base.fontScale != change.fontScale) { delta.fontScale = change.fontScale; } if (base.mcc != change.mcc) { delta.mcc = change.mcc; } if (base.mnc != change.mnc) { delta.mnc = change.mnc; } base.fixUpLocaleList(); change.fixUpLocaleList(); if (!base.mLocaleList.equals(change.mLocaleList)) { delta.mLocaleList = change.mLocaleList; delta.locale = change.locale; } if (base.touchscreen != change.touchscreen) { delta.touchscreen = change.touchscreen; } if (base.keyboard != change.keyboard) { delta.keyboard = change.keyboard; } if (base.keyboardHidden != change.keyboardHidden) { delta.keyboardHidden = change.keyboardHidden; } if (base.navigation != change.navigation) { delta.navigation = change.navigation; } if (base.navigationHidden != change.navigationHidden) { delta.navigationHidden = change.navigationHidden; } if (base.orientation != change.orientation) { delta.orientation = change.orientation; } if ((base.screenLayout & SCREENLAYOUT_SIZE_MASK) != (change.screenLayout & SCREENLAYOUT_SIZE_MASK)) { delta.screenLayout |= change.screenLayout & SCREENLAYOUT_SIZE_MASK; } if ((base.screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK) != (change.screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK)) { delta.screenLayout |= change.screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK; } if ((base.screenLayout & SCREENLAYOUT_LONG_MASK) != (change.screenLayout & SCREENLAYOUT_LONG_MASK)) { delta.screenLayout |= change.screenLayout & SCREENLAYOUT_LONG_MASK; } if ((base.screenLayout & SCREENLAYOUT_ROUND_MASK) != (change.screenLayout & SCREENLAYOUT_ROUND_MASK)) { delta.screenLayout |= change.screenLayout & SCREENLAYOUT_ROUND_MASK; } if ((base.colorMode & COLOR_MODE_WIDE_COLOR_GAMUT_MASK) != (change.colorMode & COLOR_MODE_WIDE_COLOR_GAMUT_MASK)) { delta.colorMode |= change.colorMode & COLOR_MODE_WIDE_COLOR_GAMUT_MASK; } if ((base.colorMode & COLOR_MODE_HDR_MASK) != (change.colorMode & COLOR_MODE_HDR_MASK)) { delta.colorMode |= change.colorMode & COLOR_MODE_HDR_MASK; } if ((base.uiMode & UI_MODE_TYPE_MASK) != (change.uiMode & UI_MODE_TYPE_MASK)) { delta.uiMode |= change.uiMode & UI_MODE_TYPE_MASK; } if ((base.uiMode & UI_MODE_NIGHT_MASK) != (change.uiMode & UI_MODE_NIGHT_MASK)) { delta.uiMode |= change.uiMode & UI_MODE_NIGHT_MASK; } if (base.screenWidthDp != change.screenWidthDp) { delta.screenWidthDp = change.screenWidthDp; } if (base.screenHeightDp != change.screenHeightDp) { delta.screenHeightDp = change.screenHeightDp; } if (base.smallestScreenWidthDp != change.smallestScreenWidthDp) { delta.smallestScreenWidthDp = change.smallestScreenWidthDp; } if (base.densityDpi != change.densityDpi) { delta.densityDpi = change.densityDpi; } if (base.assetsSeq != change.assetsSeq) { delta.assetsSeq = change.assetsSeq; } if (!base.windowConfiguration.equals(change.windowConfiguration)) { delta.windowConfiguration.setTo(change.windowConfiguration); } return delta; } private static final String XML_ATTR_FONT_SCALE = "fs"; private static final String XML_ATTR_MCC = "mcc"; private static final String XML_ATTR_MNC = "mnc"; private static final String XML_ATTR_LOCALES = "locales"; private static final String XML_ATTR_TOUCHSCREEN = "touch"; private static final String XML_ATTR_KEYBOARD = "key"; private static final String XML_ATTR_KEYBOARD_HIDDEN = "keyHid"; private static final String XML_ATTR_HARD_KEYBOARD_HIDDEN = "hardKeyHid"; private static final String XML_ATTR_NAVIGATION = "nav"; private static final String XML_ATTR_NAVIGATION_HIDDEN = "navHid"; private static final String XML_ATTR_ORIENTATION = "ori"; private static final String XML_ATTR_ROTATION = "rot"; private static final String XML_ATTR_SCREEN_LAYOUT = "scrLay"; private static final String XML_ATTR_COLOR_MODE = "clrMod"; private static final String XML_ATTR_UI_MODE = "ui"; private static final String XML_ATTR_SCREEN_WIDTH = "width"; private static final String XML_ATTR_SCREEN_HEIGHT = "height"; private static final String XML_ATTR_SMALLEST_WIDTH = "sw"; private static final String XML_ATTR_DENSITY = "density"; private static final String XML_ATTR_APP_BOUNDS = "app_bounds"; /** * Reads the attributes corresponding to Configuration member fields from the Xml parser. * The parser is expected to be on a tag which has Configuration attributes. * * @param parser The Xml parser from which to read attributes. * @param configOut The Configuration to populate from the Xml attributes. * {@hide} */ public static void readXmlAttrs(XmlPullParser parser, Configuration configOut) throws XmlPullParserException, IOException { configOut.fontScale = Float.intBitsToFloat(XmlUtils.readIntAttribute(parser, XML_ATTR_FONT_SCALE, 0)); configOut.mcc = XmlUtils.readIntAttribute(parser, XML_ATTR_MCC, 0); configOut.mnc = XmlUtils.readIntAttribute(parser, XML_ATTR_MNC, 0); final String localesStr = XmlUtils.readStringAttribute(parser, XML_ATTR_LOCALES); configOut.mLocaleList = LocaleList.forLanguageTags(localesStr); configOut.locale = configOut.mLocaleList.get(0); configOut.touchscreen = XmlUtils.readIntAttribute(parser, XML_ATTR_TOUCHSCREEN, TOUCHSCREEN_UNDEFINED); configOut.keyboard = XmlUtils.readIntAttribute(parser, XML_ATTR_KEYBOARD, KEYBOARD_UNDEFINED); configOut.keyboardHidden = XmlUtils.readIntAttribute(parser, XML_ATTR_KEYBOARD_HIDDEN, KEYBOARDHIDDEN_UNDEFINED); configOut.hardKeyboardHidden = XmlUtils.readIntAttribute(parser, XML_ATTR_HARD_KEYBOARD_HIDDEN, HARDKEYBOARDHIDDEN_UNDEFINED); configOut.navigation = XmlUtils.readIntAttribute(parser, XML_ATTR_NAVIGATION, NAVIGATION_UNDEFINED); configOut.navigationHidden = XmlUtils.readIntAttribute(parser, XML_ATTR_NAVIGATION_HIDDEN, NAVIGATIONHIDDEN_UNDEFINED); configOut.orientation = XmlUtils.readIntAttribute(parser, XML_ATTR_ORIENTATION, ORIENTATION_UNDEFINED); configOut.screenLayout = XmlUtils.readIntAttribute(parser, XML_ATTR_SCREEN_LAYOUT, SCREENLAYOUT_UNDEFINED); configOut.colorMode = XmlUtils.readIntAttribute(parser, XML_ATTR_COLOR_MODE, COLOR_MODE_UNDEFINED); configOut.uiMode = XmlUtils.readIntAttribute(parser, XML_ATTR_UI_MODE, 0); configOut.screenWidthDp = XmlUtils.readIntAttribute(parser, XML_ATTR_SCREEN_WIDTH, SCREEN_WIDTH_DP_UNDEFINED); configOut.screenHeightDp = XmlUtils.readIntAttribute(parser, XML_ATTR_SCREEN_HEIGHT, SCREEN_HEIGHT_DP_UNDEFINED); configOut.smallestScreenWidthDp = XmlUtils.readIntAttribute(parser, XML_ATTR_SMALLEST_WIDTH, SMALLEST_SCREEN_WIDTH_DP_UNDEFINED); configOut.densityDpi = XmlUtils.readIntAttribute(parser, XML_ATTR_DENSITY, DENSITY_DPI_UNDEFINED); // For persistence, we don't care about assetsSeq and WindowConfiguration, so do not read it // out. } /** * Writes the Configuration's member fields as attributes into the XmlSerializer. * The serializer is expected to have already started a tag so that attributes can be * immediately written. * * @param xml The serializer to which to write the attributes. * @param config The Configuration whose member fields to write. * {@hide} */ public static void writeXmlAttrs(XmlSerializer xml, Configuration config) throws IOException { XmlUtils.writeIntAttribute(xml, XML_ATTR_FONT_SCALE, Float.floatToIntBits(config.fontScale)); if (config.mcc != 0) { XmlUtils.writeIntAttribute(xml, XML_ATTR_MCC, config.mcc); } if (config.mnc != 0) { XmlUtils.writeIntAttribute(xml, XML_ATTR_MNC, config.mnc); } config.fixUpLocaleList(); if (!config.mLocaleList.isEmpty()) { XmlUtils.writeStringAttribute(xml, XML_ATTR_LOCALES, config.mLocaleList.toLanguageTags()); } if (config.touchscreen != TOUCHSCREEN_UNDEFINED) { XmlUtils.writeIntAttribute(xml, XML_ATTR_TOUCHSCREEN, config.touchscreen); } if (config.keyboard != KEYBOARD_UNDEFINED) { XmlUtils.writeIntAttribute(xml, XML_ATTR_KEYBOARD, config.keyboard); } if (config.keyboardHidden != KEYBOARDHIDDEN_UNDEFINED) { XmlUtils.writeIntAttribute(xml, XML_ATTR_KEYBOARD_HIDDEN, config.keyboardHidden); } if (config.hardKeyboardHidden != HARDKEYBOARDHIDDEN_UNDEFINED) { XmlUtils.writeIntAttribute(xml, XML_ATTR_HARD_KEYBOARD_HIDDEN, config.hardKeyboardHidden); } if (config.navigation != NAVIGATION_UNDEFINED) { XmlUtils.writeIntAttribute(xml, XML_ATTR_NAVIGATION, config.navigation); } if (config.navigationHidden != NAVIGATIONHIDDEN_UNDEFINED) { XmlUtils.writeIntAttribute(xml, XML_ATTR_NAVIGATION_HIDDEN, config.navigationHidden); } if (config.orientation != ORIENTATION_UNDEFINED) { XmlUtils.writeIntAttribute(xml, XML_ATTR_ORIENTATION, config.orientation); } if (config.screenLayout != SCREENLAYOUT_UNDEFINED) { XmlUtils.writeIntAttribute(xml, XML_ATTR_SCREEN_LAYOUT, config.screenLayout); } if (config.colorMode != COLOR_MODE_UNDEFINED) { XmlUtils.writeIntAttribute(xml, XML_ATTR_COLOR_MODE, config.colorMode); } if (config.uiMode != 0) { XmlUtils.writeIntAttribute(xml, XML_ATTR_UI_MODE, config.uiMode); } if (config.screenWidthDp != SCREEN_WIDTH_DP_UNDEFINED) { XmlUtils.writeIntAttribute(xml, XML_ATTR_SCREEN_WIDTH, config.screenWidthDp); } if (config.screenHeightDp != SCREEN_HEIGHT_DP_UNDEFINED) { XmlUtils.writeIntAttribute(xml, XML_ATTR_SCREEN_HEIGHT, config.screenHeightDp); } if (config.smallestScreenWidthDp != SMALLEST_SCREEN_WIDTH_DP_UNDEFINED) { XmlUtils.writeIntAttribute(xml, XML_ATTR_SMALLEST_WIDTH, config.smallestScreenWidthDp); } if (config.densityDpi != DENSITY_DPI_UNDEFINED) { XmlUtils.writeIntAttribute(xml, XML_ATTR_DENSITY, config.densityDpi); } // For persistence, we do not care about assetsSeq and window configuration, so do not write // it out. } }