| /* |
| * 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.text.TextUtils; |
| import android.view.View; |
| |
| 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> { |
| /** @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. |
| */ |
| 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, |
| * 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}: a value indicating that screenLayout is undefined */ |
| public static final int SCREENLAYOUT_UNDEFINED = SCREENLAYOUT_SIZE_UNDEFINED | |
| SCREENLAYOUT_LONG_UNDEFINED | SCREENLAYOUT_LAYOUTDIR_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 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>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>See <a href="{@docRoot}guide/practices/screens_support.html">Supporting |
| * Multiple Screens</a> for more information. |
| */ |
| public int screenLayout; |
| |
| /** @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; |
| } |
| |
| /** |
| * 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}: 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}, or {@link #UI_MODE_TYPE_WATCH}. |
| * |
| * <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; |
| |
| /** |
| * 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; |
| |
| /** |
| * @hide Internal book-keeping. |
| */ |
| public int seq; |
| |
| /** @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; |
| |
| /** |
| * 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; |
| screenWidthDp = o.screenWidthDp; |
| screenHeightDp = o.screenHeightDp; |
| smallestScreenWidthDp = o.smallestScreenWidthDp; |
| densityDpi = o.densityDpi; |
| 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(" "); |
| 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"); |
| } |
| if (locale != null) { |
| sb.append(" "); |
| sb.append(locale); |
| } else { |
| sb.append(" ?locale"); |
| } |
| 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 (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; |
| 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_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; |
| 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 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 (getScreenLayoutNoDirection(delta.screenLayout) != |
| (SCREENLAYOUT_SIZE_UNDEFINED | SCREENLAYOUT_LONG_UNDEFINED) |
| && (getScreenLayoutNoDirection(screenLayout) != |
| getScreenLayoutNoDirection(delta.screenLayout))) { |
| changed |= ActivityInfo.CONFIG_SCREEN_LAYOUT; |
| // We need to preserve the previous layout dir bits if they were defined |
| if ((delta.screenLayout&SCREENLAYOUT_LAYOUTDIR_MASK) == 0) { |
| screenLayout = (screenLayout&SCREENLAYOUT_LAYOUTDIR_MASK)|delta.screenLayout; |
| } else { |
| 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) { |
| 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.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}, |
| * {@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) { |
| 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; |
| changed |= ActivityInfo.CONFIG_LAYOUT_DIRECTION; |
| } |
| final int deltaScreenLayoutDir = delta.screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK; |
| if (deltaScreenLayoutDir != SCREENLAYOUT_LAYOUTDIR_UNDEFINED && |
| deltaScreenLayoutDir != (screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK)) { |
| changed |= ActivityInfo.CONFIG_LAYOUT_DIRECTION; |
| } |
| 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 (getScreenLayoutNoDirection(delta.screenLayout) != |
| (SCREENLAYOUT_SIZE_UNDEFINED | SCREENLAYOUT_LONG_UNDEFINED) |
| && getScreenLayoutNoDirection(screenLayout) != |
| getScreenLayoutNoDirection(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; |
| } |
| if (delta.densityDpi != DENSITY_DPI_UNDEFINED |
| && densityDpi != delta.densityDpi) { |
| changed |= ActivityInfo.CONFIG_DENSITY; |
| } |
| |
| 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(densityDpi); |
| dest.writeInt(compatScreenWidthDp); |
| dest.writeInt(compatScreenHeightDp); |
| dest.writeInt(compatSmallestScreenWidthDp); |
| 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(); |
| densityDpi = source.readInt(); |
| compatScreenWidthDp = source.readInt(); |
| compatScreenHeightDp = source.readInt(); |
| compatSmallestScreenWidthDp = 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; |
| 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; |
| 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; |
| result = 31 * result + densityDpi; |
| return result; |
| } |
| |
| /** |
| * Set the locale. This is the preferred way for setting up the locale (instead of using the |
| * direct accessor). This will also set the userLocale and layout direction according to |
| * the locale. |
| * |
| * @param loc The locale. Can be null. |
| */ |
| public void setLocale(Locale loc) { |
| locale = loc; |
| userSetLocale = true; |
| setLayoutDirection(locale); |
| } |
| |
| /** |
| * 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 the Locale. |
| * |
| * @param locale 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 {@link View#LAYOUT_DIRECTION_LTR} and {@link View#LAYOUT_DIRECTION_RTL} |
| */ |
| public void setLayoutDirection(Locale locale) { |
| // 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(locale); |
| screenLayout = (screenLayout&~SCREENLAYOUT_LAYOUTDIR_MASK)| |
| (layoutDirection << SCREENLAYOUT_LAYOUTDIR_SHIFT); |
| } |
| |
| private static int getScreenLayoutNoDirection(int screenLayout) { |
| return screenLayout&~SCREENLAYOUT_LAYOUTDIR_MASK; |
| } |
| } |