| /* |
| * 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 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). |
| * <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> { |
| /** |
| * 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 <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. |
| * 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. |
| * 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. |
| * See <a href="{@docRoot}guide/practices/screens_support.html">Supporting |
| * Multiple Screens</a> 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: |
| * <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>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>See <a href="{@docRoot}guide/practices/screens_support.html">Supporting |
| * Multiple Screens</a> 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_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: |
| * <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}, |
| * or {@link #UI_MODE_TYPE_CAR}. |
| * |
| * <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; |
| |
| /** |
| * @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(); |
| } |
| 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; |
| seq = o.seq; |
| } |
| |
| public String toString() { |
| StringBuilder sb = new StringBuilder(128); |
| sb.append("{ scale="); |
| sb.append(fontScale); |
| sb.append(" imsi="); |
| sb.append(mcc); |
| sb.append("/"); |
| sb.append(mnc); |
| sb.append(" loc="); |
| sb.append(locale); |
| sb.append(" touch="); |
| sb.append(touchscreen); |
| sb.append(" keys="); |
| sb.append(keyboard); |
| sb.append("/"); |
| sb.append(keyboardHidden); |
| sb.append("/"); |
| sb.append(hardKeyboardHidden); |
| sb.append(" nav="); |
| sb.append(navigation); |
| sb.append("/"); |
| sb.append(navigationHidden); |
| sb.append(" orien="); |
| switch(orientation) { |
| case ORIENTATION_LANDSCAPE: |
| sb.append("L"); break; |
| case ORIENTATION_PORTRAIT: |
| sb.append("P"); break; |
| default: |
| sb.append(orientation); |
| } |
| sb.append(" layout=0x"); |
| sb.append(java.lang.Integer.toHexString(screenLayout)); |
| sb.append(" uiMode=0x"); |
| sb.append(java.lang.Integer.toHexString(uiMode)); |
| if (seq != 0) { |
| sb.append(" seq="); |
| 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; |
| 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 |
| * <var>delta</var> 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; |
| } |
| 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.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 <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}, or |
| * {@link android.content.pm.ActivityInfo#CONFIG_SCREEN_LAYOUT |
| * PackageManager.ActivityInfo.CONFIG_SCREEN_LAYOUT}. |
| */ |
| 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; |
| } |
| |
| 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(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(); |
| 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; |
| 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; |
| 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; |
| return result; |
| } |
| } |