/* * 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 android.content.pm.ActivityInfo; import android.os.Parcel; import android.os.Parcelable; import android.util.LocaleUtil; 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 and scaling) as well * as device configurations (such as input modes, screen size and screen orientation). *

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}:

* 
Configuration config = getResources().getConfiguration();
*/ public final class Configuration implements Parcelable, Comparable { /** * Current user preference for the scaling factor for fonts, relative * to the base density scaling. */ public float fontScale; /** * IMSI MCC (Mobile Country Code). 0 if undefined. */ public int mcc; /** * IMSI MNC (Mobile Network Code). 0 if undefined. */ public int mnc; /** * Current user preference for the locale. */ public Locale locale; /** * Locale should persist on setting. This is hidden because it is really * questionable whether this is the right way to expose the functionality. * @hide */ public boolean userSetLocale; /** 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. * See Supporting * Multiple Screens 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. * See Supporting * Multiple Screens 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. * See Supporting * Multiple Screens 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. * See Supporting * Multiple Screens for more information.*/ public static final int SCREENLAYOUT_SIZE_XLARGE = 0x04; public static final int SCREENLAYOUT_LONG_MASK = 0x30; public static final int SCREENLAYOUT_LONG_UNDEFINED = 0x00; public static final int SCREENLAYOUT_LONG_NO = 0x10; public static final int SCREENLAYOUT_LONG_YES = 0x20; /** * 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 two * fields: *

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}. * *

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}. * *

See Supporting * Multiple Screens for more information. */ public int screenLayout; /** * 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; } public static final int TOUCHSCREEN_UNDEFINED = 0; public static final int TOUCHSCREEN_NOTOUCH = 1; public static final int TOUCHSCREEN_STYLUS = 2; public static final int TOUCHSCREEN_FINGER = 3; /** * The kind of touch screen attached to the device. * One of: {@link #TOUCHSCREEN_NOTOUCH}, {@link #TOUCHSCREEN_STYLUS}, * {@link #TOUCHSCREEN_FINGER}. */ public int touchscreen; public static final int KEYBOARD_UNDEFINED = 0; public static final int KEYBOARD_NOKEYS = 1; public static final int KEYBOARD_QWERTY = 2; 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; public static final int KEYBOARDHIDDEN_UNDEFINED = 0; public static final int KEYBOARDHIDDEN_NO = 1; 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; public static final int HARDKEYBOARDHIDDEN_UNDEFINED = 0; public static final int HARDKEYBOARDHIDDEN_NO = 1; 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; public static final int NAVIGATION_UNDEFINED = 0; public static final int NAVIGATION_NONAV = 1; public static final int NAVIGATION_DPAD = 2; public static final int NAVIGATION_TRACKBALL = 3; 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; public static final int NAVIGATIONHIDDEN_UNDEFINED = 0; public static final int NAVIGATIONHIDDEN_NO = 1; 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; public static final int ORIENTATION_UNDEFINED = 0; public static final int ORIENTATION_PORTRAIT = 1; public static final int ORIENTATION_LANDSCAPE = 2; public static final int ORIENTATION_SQUARE = 3; /** * Overall orientation of the screen. May be one of * {@link #ORIENTATION_LANDSCAPE}, {@link #ORIENTATION_PORTRAIT}, * or {@link #ORIENTATION_SQUARE}. */ public int orientation; public static final int UI_MODE_TYPE_MASK = 0x0f; public static final int UI_MODE_TYPE_UNDEFINED = 0x00; public static final int UI_MODE_TYPE_NORMAL = 0x01; public static final int UI_MODE_TYPE_DESK = 0x02; public static final int UI_MODE_TYPE_CAR = 0x03; public static final int UI_MODE_TYPE_TELEVISION = 0x04; public static final int UI_MODE_NIGHT_MASK = 0x30; public static final int UI_MODE_NIGHT_UNDEFINED = 0x00; public static final int UI_MODE_NIGHT_NO = 0x10; public static final int UI_MODE_NIGHT_YES = 0x20; /** * Bit mask of the ui mode. Currently there are two fields: *

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}, * or {@link #UI_MODE_TYPE_CAR}. * *

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; public static final int SCREEN_WIDTH_DP_UNDEFINED = 0; /** * The current width of the available screen space, in dp units. */ public int screenWidthDp; public static final int SCREEN_HEIGHT_DP_UNDEFINED = 0; /** * The current height of the available screen space, in dp units. */ public int screenHeightDp; public static final int SMALLEST_SCREEN_WIDTH_DP_UNDEFINED = 0; /** * The smallest screen size an application will see in normal operation. * This is the smallest value of both screenWidthDp and screenHeightDp * in both portrait and landscape. */ public int smallestScreenWidthDp; /** @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; /** * @hide The text layout direction associated to the current Locale */ public int textLayoutDirection; /** * @hide Internal book-keeping. */ public int seq; /** * Construct an invalid Configuration. You must call {@link #setToDefaults} * for this object to be valid. {@more} */ public Configuration() { setToDefaults(); } /** * Makes a deep copy suitable for modification. */ public Configuration(Configuration o) { setTo(o); } public void setTo(Configuration o) { fontScale = o.fontScale; mcc = o.mcc; mnc = o.mnc; if (o.locale != null) { locale = (Locale) o.locale.clone(); textLayoutDirection = o.textLayoutDirection; } 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; uiMode = o.uiMode; screenWidthDp = o.screenWidthDp; screenHeightDp = o.screenHeightDp; smallestScreenWidthDp = o.smallestScreenWidthDp; compatScreenWidthDp = o.compatScreenWidthDp; compatScreenHeightDp = o.compatScreenHeightDp; compatSmallestScreenWidthDp = o.compatSmallestScreenWidthDp; seq = o.seq; } public String toString() { StringBuilder sb = new StringBuilder(128); sb.append("{"); sb.append(fontScale); sb.append(" "); sb.append(mcc); sb.append("mcc"); sb.append(mnc); sb.append("mnc"); if (locale != null) { sb.append(" "); sb.append(locale); } else { sb.append(" (no locale)"); } switch (textLayoutDirection) { case LocaleUtil.TEXT_LAYOUT_DIRECTION_RTL_DO_NOT_USE: sb.append(" rtl"); break; default: sb.append(" layoutdir="); sb.append(textLayoutDirection); 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"); } 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 (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; 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; } if (seq != 0) { sb.append(" s."); sb.append(seq); } sb.append('}'); return sb.toString(); } /** * Set this object to the system defaults. */ public void setToDefaults() { fontScale = 1; mcc = mnc = 0; 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_SIZE_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; textLayoutDirection = LocaleUtil.TEXT_LAYOUT_DIRECTION_LTR_DO_NOT_USE; seq = 0; } /** {@hide} */ @Deprecated public void makeDefault() { setToDefaults(); } /** * Copy the fields from delta into this Configuration object, keeping * track of which ones have changed. Any undefined fields in * delta are ignored and not copied in to the current * Configuration. * @return Returns a bit mask of the changed fields, as per * {@link #diff}. */ public int updateFrom(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; } if (delta.locale != null && (locale == null || !locale.equals(delta.locale))) { changed |= ActivityInfo.CONFIG_LOCALE; locale = delta.locale != null ? (Locale) delta.locale.clone() : null; textLayoutDirection = LocaleUtil.getLayoutDirectionFromLocale(locale); } if (delta.userSetLocale && (!userSetLocale || ((changed & ActivityInfo.CONFIG_LOCALE) != 0))) { userSetLocale = true; changed |= ActivityInfo.CONFIG_LOCALE; } 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_UNDEFINED && screenLayout != delta.screenLayout) { changed |= ActivityInfo.CONFIG_SCREEN_LAYOUT; screenLayout = delta.screenLayout; } 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; } 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.seq != 0) { seq = delta.seq; } 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 delta 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}. */ public int diff(Configuration delta) { int changed = 0; if (delta.fontScale > 0 && fontScale != delta.fontScale) { changed |= ActivityInfo.CONFIG_FONT_SCALE; } if (delta.mcc != 0 && mcc != delta.mcc) { changed |= ActivityInfo.CONFIG_MCC; } if (delta.mnc != 0 && mnc != delta.mnc) { changed |= ActivityInfo.CONFIG_MNC; } if (delta.locale != null && (locale == null || !locale.equals(delta.locale))) { changed |= ActivityInfo.CONFIG_LOCALE; } if (delta.touchscreen != TOUCHSCREEN_UNDEFINED && touchscreen != delta.touchscreen) { changed |= ActivityInfo.CONFIG_TOUCHSCREEN; } if (delta.keyboard != KEYBOARD_UNDEFINED && keyboard != delta.keyboard) { changed |= ActivityInfo.CONFIG_KEYBOARD; } if (delta.keyboardHidden != KEYBOARDHIDDEN_UNDEFINED && keyboardHidden != delta.keyboardHidden) { changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; } if (delta.hardKeyboardHidden != HARDKEYBOARDHIDDEN_UNDEFINED && hardKeyboardHidden != delta.hardKeyboardHidden) { changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; } if (delta.navigation != NAVIGATION_UNDEFINED && navigation != delta.navigation) { changed |= ActivityInfo.CONFIG_NAVIGATION; } if (delta.navigationHidden != NAVIGATIONHIDDEN_UNDEFINED && navigationHidden != delta.navigationHidden) { changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; } if (delta.orientation != ORIENTATION_UNDEFINED && orientation != delta.orientation) { changed |= ActivityInfo.CONFIG_ORIENTATION; } if (delta.screenLayout != SCREENLAYOUT_SIZE_UNDEFINED && screenLayout != delta.screenLayout) { changed |= ActivityInfo.CONFIG_SCREEN_LAYOUT; } if (delta.uiMode != (UI_MODE_TYPE_UNDEFINED|UI_MODE_NIGHT_UNDEFINED) && uiMode != delta.uiMode) { changed |= ActivityInfo.CONFIG_UI_MODE; } if (delta.screenWidthDp != SCREEN_WIDTH_DP_UNDEFINED && screenWidthDp != delta.screenWidthDp) { changed |= ActivityInfo.CONFIG_SCREEN_SIZE; } if (delta.screenHeightDp != SCREEN_HEIGHT_DP_UNDEFINED && screenHeightDp != delta.screenHeightDp) { changed |= ActivityInfo.CONFIG_SCREEN_SIZE; } if (delta.smallestScreenWidthDp != SMALLEST_SCREEN_WIDTH_DP_UNDEFINED && smallestScreenWidthDp != delta.smallestScreenWidthDp) { changed |= ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE; } return changed; } /** * Determine 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 handled, as given in {@link android.util.TypedValue#changingConfigurations}. * * @return Return true if the resource needs to be loaded, else false. */ public static boolean needNewResources(int configChanges, int interestingChanges) { return (configChanges & (interestingChanges|ActivityInfo.CONFIG_FONT_SCALE)) != 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); if (locale == null) { dest.writeInt(0); } else { dest.writeInt(1); dest.writeString(locale.getLanguage()); dest.writeString(locale.getCountry()); dest.writeString(locale.getVariant()); } 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(uiMode); dest.writeInt(screenWidthDp); dest.writeInt(screenHeightDp); dest.writeInt(smallestScreenWidthDp); dest.writeInt(compatScreenWidthDp); dest.writeInt(compatScreenHeightDp); dest.writeInt(compatSmallestScreenWidthDp); dest.writeInt(textLayoutDirection); dest.writeInt(seq); } public void readFromParcel(Parcel source) { fontScale = source.readFloat(); mcc = source.readInt(); mnc = source.readInt(); if (source.readInt() != 0) { locale = new Locale(source.readString(), source.readString(), source.readString()); } 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(); uiMode = source.readInt(); screenWidthDp = source.readInt(); screenHeightDp = source.readInt(); smallestScreenWidthDp = source.readInt(); compatScreenWidthDp = source.readInt(); compatScreenHeightDp = source.readInt(); compatSmallestScreenWidthDp = source.readInt(); textLayoutDirection = source.readInt(); seq = source.readInt(); } public static final Parcelable.Creator CREATOR = new Parcelable.Creator() { 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; if (this.locale == null) { if (that.locale != null) return 1; } else if (that.locale == null) { return -1; } else { n = this.locale.getLanguage().compareTo(that.locale.getLanguage()); if (n != 0) return n; n = this.locale.getCountry().compareTo(that.locale.getCountry()); if (n != 0) return n; n = this.locale.getVariant().compareTo(that.locale.getVariant()); 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.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; 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 + (locale != null ? locale.hashCode() : 0); 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 + uiMode; result = 31 * result + screenWidthDp; result = 31 * result + screenHeightDp; result = 31 * result + smallestScreenWidthDp; return result; } }