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android_translation_layer/src/api-impl/android/content/res/Configuration.java

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/*
* 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.text.TextUtils;
import android.os.LocaleList;
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 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}: 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}, or
* {@link #UI_MODE_TYPE_APPLIANCE}.
*
* <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;
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 = new Locale("en", "US");
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;
}
public int describeContents() {
return 0;
}
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;
}
/**
* Get the locale list. This is the preferred way for getting the locales (instead of using
* the direct accessor to {@link #locale}, which would only provide the primary locale).
*
* @return The locale list.
*/
public LocaleList getLocales() {
return new LocaleList();
/*fixUpLocaleList();
return mLocaleList;*/
}
/**
* Set the locale list. This is the preferred way for setting up the locales (instead of using
* the direct accessor or {@link #setLocale(Locale)}). This will also set the layout direction
* according to the first locale in the list.
*
* Note that the layout direction will always come from the first locale in the locale list,
* even if the locale is not supported by the resources (the resources may only support
* another locale further down the list which has a different direction).
*
* @param locales The locale list. If null, an empty LocaleList will be assigned.
*/
public void setLocales(LocaleList locales) {
/*mLocaleList = locales == null ? LocaleList.getEmptyLocaleList() : locales;
locale = mLocaleList.get(0);
setLayoutDirection(locale);*/
}
/**
* 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;
}
}
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