1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.content.res; 18 19 import com.android.internal.util.XmlUtils; 20 21 import org.xmlpull.v1.XmlPullParser; 22 import org.xmlpull.v1.XmlPullParserException; 23 import org.xmlpull.v1.XmlSerializer; 24 25 import android.content.pm.ActivityInfo; 26 import android.os.Build; 27 import android.os.Parcel; 28 import android.os.Parcelable; 29 import android.text.TextUtils; 30 import android.view.View; 31 32 import java.io.IOException; 33 import java.util.ArrayList; 34 import java.util.Locale; 35 36 /** 37 * This class describes all device configuration information that can 38 * impact the resources the application retrieves. This includes both 39 * user-specified configuration options (locale and scaling) as well 40 * as device configurations (such as input modes, screen size and screen orientation). 41 * <p>You can acquire this object from {@link Resources}, using {@link 42 * Resources#getConfiguration}. Thus, from an activity, you can get it by chaining the request 43 * with {@link android.app.Activity#getResources}:</p> 44 * <pre>Configuration config = getResources().getConfiguration();</pre> 45 */ 46 public final class Configuration implements Parcelable, Comparable<Configuration> { 47 /** @hide */ 48 public static final Configuration EMPTY = new Configuration(); 49 50 /** 51 * Current user preference for the scaling factor for fonts, relative 52 * to the base density scaling. 53 */ 54 public float fontScale; 55 56 /** 57 * IMSI MCC (Mobile Country Code), corresponding to 58 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#MccQualifier">mcc</a> 59 * resource qualifier. 0 if undefined. 60 */ 61 public int mcc; 62 63 /** 64 * IMSI MNC (Mobile Network Code), corresponding to 65 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#MccQualifier">mnc</a> 66 * resource qualifier. 0 if undefined. Note that the actual MNC may be 0; in order to check 67 * for this use the {@link #MNC_ZERO} symbol. 68 */ 69 public int mnc; 70 71 /** 72 * Constant used to to represent MNC (Mobile Network Code) zero. 73 * 0 cannot be used, since it is used to represent an undefined MNC. 74 */ 75 public static final int MNC_ZERO = 0xffff; 76 77 /** 78 * Current user preference for the locale, corresponding to 79 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#LocaleQualifier">locale</a> 80 * resource qualifier. 81 */ 82 public Locale locale; 83 84 /** 85 * Locale should persist on setting. This is hidden because it is really 86 * questionable whether this is the right way to expose the functionality. 87 * @hide 88 */ 89 public boolean userSetLocale; 90 91 /** Constant for {@link #screenLayout}: bits that encode the size. */ 92 public static final int SCREENLAYOUT_SIZE_MASK = 0x0f; 93 /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_SIZE_MASK} 94 * value indicating that no size has been set. */ 95 public static final int SCREENLAYOUT_SIZE_UNDEFINED = 0x00; 96 /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_SIZE_MASK} 97 * value indicating the screen is at least approximately 320x426 dp units, 98 * corresponds to the 99 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenSizeQualifier">small</a> 100 * resource qualifier. 101 * See <a href="{@docRoot}guide/practices/screens_support.html">Supporting 102 * Multiple Screens</a> for more information. */ 103 public static final int SCREENLAYOUT_SIZE_SMALL = 0x01; 104 /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_SIZE_MASK} 105 * value indicating the screen is at least approximately 320x470 dp units, 106 * corresponds to the 107 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenSizeQualifier">normal</a> 108 * resource qualifier. 109 * See <a href="{@docRoot}guide/practices/screens_support.html">Supporting 110 * Multiple Screens</a> for more information. */ 111 public static final int SCREENLAYOUT_SIZE_NORMAL = 0x02; 112 /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_SIZE_MASK} 113 * value indicating the screen is at least approximately 480x640 dp units, 114 * corresponds to the 115 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenSizeQualifier">large</a> 116 * resource qualifier. 117 * See <a href="{@docRoot}guide/practices/screens_support.html">Supporting 118 * Multiple Screens</a> for more information. */ 119 public static final int SCREENLAYOUT_SIZE_LARGE = 0x03; 120 /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_SIZE_MASK} 121 * value indicating the screen is at least approximately 720x960 dp units, 122 * corresponds to the 123 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenSizeQualifier">xlarge</a> 124 * resource qualifier. 125 * See <a href="{@docRoot}guide/practices/screens_support.html">Supporting 126 * Multiple Screens</a> for more information.*/ 127 public static final int SCREENLAYOUT_SIZE_XLARGE = 0x04; 128 129 /** Constant for {@link #screenLayout}: bits that encode the aspect ratio. */ 130 public static final int SCREENLAYOUT_LONG_MASK = 0x30; 131 /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_LONG_MASK} 132 * value indicating that no size has been set. */ 133 public static final int SCREENLAYOUT_LONG_UNDEFINED = 0x00; 134 /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_LONG_MASK} 135 * value that corresponds to the 136 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenAspectQualifier">notlong</a> 137 * resource qualifier. */ 138 public static final int SCREENLAYOUT_LONG_NO = 0x10; 139 /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_LONG_MASK} 140 * value that corresponds to the 141 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenAspectQualifier">long</a> 142 * resource qualifier. */ 143 public static final int SCREENLAYOUT_LONG_YES = 0x20; 144 145 /** Constant for {@link #screenLayout}: bits that encode the layout direction. */ 146 public static final int SCREENLAYOUT_LAYOUTDIR_MASK = 0xC0; 147 /** Constant for {@link #screenLayout}: bits shift to get the layout direction. */ 148 public static final int SCREENLAYOUT_LAYOUTDIR_SHIFT = 6; 149 /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_LAYOUTDIR_MASK} 150 * value indicating that no layout dir has been set. */ 151 public static final int SCREENLAYOUT_LAYOUTDIR_UNDEFINED = 0x00; 152 /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_LAYOUTDIR_MASK} 153 * value indicating that a layout dir has been set to LTR. */ 154 public static final int SCREENLAYOUT_LAYOUTDIR_LTR = 0x01 << SCREENLAYOUT_LAYOUTDIR_SHIFT; 155 /** Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_LAYOUTDIR_MASK} 156 * value indicating that a layout dir has been set to RTL. */ 157 public static final int SCREENLAYOUT_LAYOUTDIR_RTL = 0x02 << SCREENLAYOUT_LAYOUTDIR_SHIFT; 158 159 /** Constant for {@link #screenLayout}: bits that encode roundness of the screen. */ 160 public static final int SCREENLAYOUT_ROUND_MASK = 0x300; 161 /** @hide Constant for {@link #screenLayout}: bit shift to get to screen roundness bits */ 162 public static final int SCREENLAYOUT_ROUND_SHIFT = 8; 163 /** 164 * Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_ROUND_MASK} value indicating 165 * that it is unknown whether or not the screen has a round shape. 166 */ 167 public static final int SCREENLAYOUT_ROUND_UNDEFINED = 0x00; 168 /** 169 * Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_ROUND_MASK} value indicating 170 * that the screen does not have a rounded shape. 171 */ 172 public static final int SCREENLAYOUT_ROUND_NO = 0x1 << SCREENLAYOUT_ROUND_SHIFT; 173 /** 174 * Constant for {@link #screenLayout}: a {@link #SCREENLAYOUT_ROUND_MASK} value indicating 175 * that the screen has a rounded shape. Corners may not be visible to the user; 176 * developers should pay special attention to the {@link android.view.WindowInsets} delivered 177 * to views for more information about ensuring content is not obscured. 178 * 179 * <p>Corresponds to the <code>-round</code> resource qualifier.</p> 180 */ 181 public static final int SCREENLAYOUT_ROUND_YES = 0x2 << SCREENLAYOUT_ROUND_SHIFT; 182 183 /** Constant for {@link #screenLayout}: a value indicating that screenLayout is undefined */ 184 public static final int SCREENLAYOUT_UNDEFINED = SCREENLAYOUT_SIZE_UNDEFINED | 185 SCREENLAYOUT_LONG_UNDEFINED | SCREENLAYOUT_LAYOUTDIR_UNDEFINED | 186 SCREENLAYOUT_ROUND_UNDEFINED; 187 188 /** 189 * Special flag we generate to indicate that the screen layout requires 190 * us to use a compatibility mode for apps that are not modern layout 191 * aware. 192 * @hide 193 */ 194 public static final int SCREENLAYOUT_COMPAT_NEEDED = 0x10000000; 195 196 /** 197 * Bit mask of overall layout of the screen. Currently there are two 198 * fields: 199 * <p>The {@link #SCREENLAYOUT_SIZE_MASK} bits define the overall size 200 * of the screen. They may be one of 201 * {@link #SCREENLAYOUT_SIZE_SMALL}, {@link #SCREENLAYOUT_SIZE_NORMAL}, 202 * {@link #SCREENLAYOUT_SIZE_LARGE}, or {@link #SCREENLAYOUT_SIZE_XLARGE}.</p> 203 * 204 * <p>The {@link #SCREENLAYOUT_LONG_MASK} defines whether the screen 205 * is wider/taller than normal. They may be one of 206 * {@link #SCREENLAYOUT_LONG_NO} or {@link #SCREENLAYOUT_LONG_YES}.</p> 207 * 208 * <p>The {@link #SCREENLAYOUT_LAYOUTDIR_MASK} defines whether the screen layout 209 * is either LTR or RTL. They may be one of 210 * {@link #SCREENLAYOUT_LAYOUTDIR_LTR} or {@link #SCREENLAYOUT_LAYOUTDIR_RTL}.</p> 211 * 212 * <p>The {@link #SCREENLAYOUT_ROUND_MASK} defines whether the screen has a rounded 213 * shape. They may be one of {@link #SCREENLAYOUT_ROUND_NO} or {@link #SCREENLAYOUT_ROUND_YES}. 214 * </p> 215 * 216 * <p>See <a href="{@docRoot}guide/practices/screens_support.html">Supporting 217 * Multiple Screens</a> for more information.</p> 218 */ 219 public int screenLayout; 220 221 /** @hide */ 222 static public int resetScreenLayout(int curLayout) { 223 return (curLayout&~(SCREENLAYOUT_LONG_MASK | SCREENLAYOUT_SIZE_MASK 224 | SCREENLAYOUT_COMPAT_NEEDED)) 225 | (SCREENLAYOUT_LONG_YES | SCREENLAYOUT_SIZE_XLARGE); 226 } 227 228 /** @hide */ 229 static public int reduceScreenLayout(int curLayout, int longSizeDp, int shortSizeDp) { 230 int screenLayoutSize; 231 boolean screenLayoutLong; 232 boolean screenLayoutCompatNeeded; 233 234 // These semi-magic numbers define our compatibility modes for 235 // applications with different screens. These are guarantees to 236 // app developers about the space they can expect for a particular 237 // configuration. DO NOT CHANGE! 238 if (longSizeDp < 470) { 239 // This is shorter than an HVGA normal density screen (which 240 // is 480 pixels on its long side). 241 screenLayoutSize = SCREENLAYOUT_SIZE_SMALL; 242 screenLayoutLong = false; 243 screenLayoutCompatNeeded = false; 244 } else { 245 // What size is this screen screen? 246 if (longSizeDp >= 960 && shortSizeDp >= 720) { 247 // 1.5xVGA or larger screens at medium density are the point 248 // at which we consider it to be an extra large screen. 249 screenLayoutSize = SCREENLAYOUT_SIZE_XLARGE; 250 } else if (longSizeDp >= 640 && shortSizeDp >= 480) { 251 // VGA or larger screens at medium density are the point 252 // at which we consider it to be a large screen. 253 screenLayoutSize = SCREENLAYOUT_SIZE_LARGE; 254 } else { 255 screenLayoutSize = SCREENLAYOUT_SIZE_NORMAL; 256 } 257 258 // If this screen is wider than normal HVGA, or taller 259 // than FWVGA, then for old apps we want to run in size 260 // compatibility mode. 261 if (shortSizeDp > 321 || longSizeDp > 570) { 262 screenLayoutCompatNeeded = true; 263 } else { 264 screenLayoutCompatNeeded = false; 265 } 266 267 // Is this a long screen? 268 if (((longSizeDp*3)/5) >= (shortSizeDp-1)) { 269 // Anything wider than WVGA (5:3) is considering to be long. 270 screenLayoutLong = true; 271 } else { 272 screenLayoutLong = false; 273 } 274 } 275 276 // Now reduce the last screenLayout to not be better than what we 277 // have found. 278 if (!screenLayoutLong) { 279 curLayout = (curLayout&~SCREENLAYOUT_LONG_MASK) | SCREENLAYOUT_LONG_NO; 280 } 281 if (screenLayoutCompatNeeded) { 282 curLayout |= Configuration.SCREENLAYOUT_COMPAT_NEEDED; 283 } 284 int curSize = curLayout&SCREENLAYOUT_SIZE_MASK; 285 if (screenLayoutSize < curSize) { 286 curLayout = (curLayout&~SCREENLAYOUT_SIZE_MASK) | screenLayoutSize; 287 } 288 return curLayout; 289 } 290 291 /** 292 * Check if the Configuration's current {@link #screenLayout} is at 293 * least the given size. 294 * 295 * @param size The desired size, either {@link #SCREENLAYOUT_SIZE_SMALL}, 296 * {@link #SCREENLAYOUT_SIZE_NORMAL}, {@link #SCREENLAYOUT_SIZE_LARGE}, or 297 * {@link #SCREENLAYOUT_SIZE_XLARGE}. 298 * @return Returns true if the current screen layout size is at least 299 * the given size. 300 */ 301 public boolean isLayoutSizeAtLeast(int size) { 302 int cur = screenLayout&SCREENLAYOUT_SIZE_MASK; 303 if (cur == SCREENLAYOUT_SIZE_UNDEFINED) return false; 304 return cur >= size; 305 } 306 307 /** Constant for {@link #touchscreen}: a value indicating that no value has been set. */ 308 public static final int TOUCHSCREEN_UNDEFINED = 0; 309 /** Constant for {@link #touchscreen}, value corresponding to the 310 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#TouchscreenQualifier">notouch</a> 311 * resource qualifier. */ 312 public static final int TOUCHSCREEN_NOTOUCH = 1; 313 /** @deprecated Not currently supported or used. */ 314 @Deprecated public static final int TOUCHSCREEN_STYLUS = 2; 315 /** Constant for {@link #touchscreen}, value corresponding to the 316 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#TouchscreenQualifier">finger</a> 317 * resource qualifier. */ 318 public static final int TOUCHSCREEN_FINGER = 3; 319 320 /** 321 * The kind of touch screen attached to the device. 322 * One of: {@link #TOUCHSCREEN_NOTOUCH}, {@link #TOUCHSCREEN_FINGER}. 323 */ 324 public int touchscreen; 325 326 /** Constant for {@link #keyboard}: a value indicating that no value has been set. */ 327 public static final int KEYBOARD_UNDEFINED = 0; 328 /** Constant for {@link #keyboard}, value corresponding to the 329 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ImeQualifier">nokeys</a> 330 * resource qualifier. */ 331 public static final int KEYBOARD_NOKEYS = 1; 332 /** Constant for {@link #keyboard}, value corresponding to the 333 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ImeQualifier">qwerty</a> 334 * resource qualifier. */ 335 public static final int KEYBOARD_QWERTY = 2; 336 /** Constant for {@link #keyboard}, value corresponding to the 337 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ImeQualifier">12key</a> 338 * resource qualifier. */ 339 public static final int KEYBOARD_12KEY = 3; 340 341 /** 342 * The kind of keyboard attached to the device. 343 * One of: {@link #KEYBOARD_NOKEYS}, {@link #KEYBOARD_QWERTY}, 344 * {@link #KEYBOARD_12KEY}. 345 */ 346 public int keyboard; 347 348 /** Constant for {@link #keyboardHidden}: a value indicating that no value has been set. */ 349 public static final int KEYBOARDHIDDEN_UNDEFINED = 0; 350 /** Constant for {@link #keyboardHidden}, value corresponding to the 351 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#KeyboardAvailQualifier">keysexposed</a> 352 * resource qualifier. */ 353 public static final int KEYBOARDHIDDEN_NO = 1; 354 /** Constant for {@link #keyboardHidden}, value corresponding to the 355 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#KeyboardAvailQualifier">keyshidden</a> 356 * resource qualifier. */ 357 public static final int KEYBOARDHIDDEN_YES = 2; 358 /** Constant matching actual resource implementation. {@hide} */ 359 public static final int KEYBOARDHIDDEN_SOFT = 3; 360 361 /** 362 * A flag indicating whether any keyboard is available. Unlike 363 * {@link #hardKeyboardHidden}, this also takes into account a soft 364 * keyboard, so if the hard keyboard is hidden but there is soft 365 * keyboard available, it will be set to NO. Value is one of: 366 * {@link #KEYBOARDHIDDEN_NO}, {@link #KEYBOARDHIDDEN_YES}. 367 */ 368 public int keyboardHidden; 369 370 /** Constant for {@link #hardKeyboardHidden}: a value indicating that no value has been set. */ 371 public static final int HARDKEYBOARDHIDDEN_UNDEFINED = 0; 372 /** Constant for {@link #hardKeyboardHidden}, value corresponding to the 373 * physical keyboard being exposed. */ 374 public static final int HARDKEYBOARDHIDDEN_NO = 1; 375 /** Constant for {@link #hardKeyboardHidden}, value corresponding to the 376 * physical keyboard being hidden. */ 377 public static final int HARDKEYBOARDHIDDEN_YES = 2; 378 379 /** 380 * A flag indicating whether the hard keyboard has been hidden. This will 381 * be set on a device with a mechanism to hide the keyboard from the 382 * user, when that mechanism is closed. One of: 383 * {@link #HARDKEYBOARDHIDDEN_NO}, {@link #HARDKEYBOARDHIDDEN_YES}. 384 */ 385 public int hardKeyboardHidden; 386 387 /** Constant for {@link #navigation}: a value indicating that no value has been set. */ 388 public static final int NAVIGATION_UNDEFINED = 0; 389 /** Constant for {@link #navigation}, value corresponding to the 390 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavigationQualifier">nonav</a> 391 * resource qualifier. */ 392 public static final int NAVIGATION_NONAV = 1; 393 /** Constant for {@link #navigation}, value corresponding to the 394 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavigationQualifier">dpad</a> 395 * resource qualifier. */ 396 public static final int NAVIGATION_DPAD = 2; 397 /** Constant for {@link #navigation}, value corresponding to the 398 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavigationQualifier">trackball</a> 399 * resource qualifier. */ 400 public static final int NAVIGATION_TRACKBALL = 3; 401 /** Constant for {@link #navigation}, value corresponding to the 402 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavigationQualifier">wheel</a> 403 * resource qualifier. */ 404 public static final int NAVIGATION_WHEEL = 4; 405 406 /** 407 * The kind of navigation method available on the device. 408 * One of: {@link #NAVIGATION_NONAV}, {@link #NAVIGATION_DPAD}, 409 * {@link #NAVIGATION_TRACKBALL}, {@link #NAVIGATION_WHEEL}. 410 */ 411 public int navigation; 412 413 /** Constant for {@link #navigationHidden}: a value indicating that no value has been set. */ 414 public static final int NAVIGATIONHIDDEN_UNDEFINED = 0; 415 /** Constant for {@link #navigationHidden}, value corresponding to the 416 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavAvailQualifier">navexposed</a> 417 * resource qualifier. */ 418 public static final int NAVIGATIONHIDDEN_NO = 1; 419 /** Constant for {@link #navigationHidden}, value corresponding to the 420 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NavAvailQualifier">navhidden</a> 421 * resource qualifier. */ 422 public static final int NAVIGATIONHIDDEN_YES = 2; 423 424 /** 425 * A flag indicating whether any 5-way or DPAD navigation available. 426 * This will be set on a device with a mechanism to hide the navigation 427 * controls from the user, when that mechanism is closed. One of: 428 * {@link #NAVIGATIONHIDDEN_NO}, {@link #NAVIGATIONHIDDEN_YES}. 429 */ 430 public int navigationHidden; 431 432 /** Constant for {@link #orientation}: a value indicating that no value has been set. */ 433 public static final int ORIENTATION_UNDEFINED = 0; 434 /** Constant for {@link #orientation}, value corresponding to the 435 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#OrientationQualifier">port</a> 436 * resource qualifier. */ 437 public static final int ORIENTATION_PORTRAIT = 1; 438 /** Constant for {@link #orientation}, value corresponding to the 439 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#OrientationQualifier">land</a> 440 * resource qualifier. */ 441 public static final int ORIENTATION_LANDSCAPE = 2; 442 /** @deprecated Not currently supported or used. */ 443 @Deprecated public static final int ORIENTATION_SQUARE = 3; 444 445 /** 446 * Overall orientation of the screen. May be one of 447 * {@link #ORIENTATION_LANDSCAPE}, {@link #ORIENTATION_PORTRAIT}. 448 */ 449 public int orientation; 450 451 /** Constant for {@link #uiMode}: bits that encode the mode type. */ 452 public static final int UI_MODE_TYPE_MASK = 0x0f; 453 /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK} 454 * value indicating that no mode type has been set. */ 455 public static final int UI_MODE_TYPE_UNDEFINED = 0x00; 456 /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK} 457 * value that corresponds to 458 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">no 459 * UI mode</a> resource qualifier specified. */ 460 public static final int UI_MODE_TYPE_NORMAL = 0x01; 461 /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK} 462 * value that corresponds to the 463 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">desk</a> 464 * resource qualifier. */ 465 public static final int UI_MODE_TYPE_DESK = 0x02; 466 /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK} 467 * value that corresponds to the 468 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">car</a> 469 * resource qualifier. */ 470 public static final int UI_MODE_TYPE_CAR = 0x03; 471 /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK} 472 * value that corresponds to the 473 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">television</a> 474 * resource qualifier. */ 475 public static final int UI_MODE_TYPE_TELEVISION = 0x04; 476 /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK} 477 * value that corresponds to the 478 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">appliance</a> 479 * resource qualifier. */ 480 public static final int UI_MODE_TYPE_APPLIANCE = 0x05; 481 /** Constant for {@link #uiMode}: a {@link #UI_MODE_TYPE_MASK} 482 * value that corresponds to the 483 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#UiModeQualifier">watch</a> 484 * resource qualifier. */ 485 public static final int UI_MODE_TYPE_WATCH = 0x06; 486 487 /** Constant for {@link #uiMode}: bits that encode the night mode. */ 488 public static final int UI_MODE_NIGHT_MASK = 0x30; 489 /** Constant for {@link #uiMode}: a {@link #UI_MODE_NIGHT_MASK} 490 * value indicating that no mode type has been set. */ 491 public static final int UI_MODE_NIGHT_UNDEFINED = 0x00; 492 /** Constant for {@link #uiMode}: a {@link #UI_MODE_NIGHT_MASK} 493 * value that corresponds to the 494 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NightQualifier">notnight</a> 495 * resource qualifier. */ 496 public static final int UI_MODE_NIGHT_NO = 0x10; 497 /** Constant for {@link #uiMode}: a {@link #UI_MODE_NIGHT_MASK} 498 * value that corresponds to the 499 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#NightQualifier">night</a> 500 * resource qualifier. */ 501 public static final int UI_MODE_NIGHT_YES = 0x20; 502 503 /** 504 * Bit mask of the ui mode. Currently there are two fields: 505 * <p>The {@link #UI_MODE_TYPE_MASK} bits define the overall ui mode of the 506 * device. They may be one of {@link #UI_MODE_TYPE_UNDEFINED}, 507 * {@link #UI_MODE_TYPE_NORMAL}, {@link #UI_MODE_TYPE_DESK}, 508 * {@link #UI_MODE_TYPE_CAR}, {@link #UI_MODE_TYPE_TELEVISION}, 509 * {@link #UI_MODE_TYPE_APPLIANCE}, or {@link #UI_MODE_TYPE_WATCH}. 510 * 511 * <p>The {@link #UI_MODE_NIGHT_MASK} defines whether the screen 512 * is in a special mode. They may be one of {@link #UI_MODE_NIGHT_UNDEFINED}, 513 * {@link #UI_MODE_NIGHT_NO} or {@link #UI_MODE_NIGHT_YES}. 514 */ 515 public int uiMode; 516 517 /** 518 * Default value for {@link #screenWidthDp} indicating that no width 519 * has been specified. 520 */ 521 public static final int SCREEN_WIDTH_DP_UNDEFINED = 0; 522 523 /** 524 * The current width of the available screen space, in dp units, 525 * corresponding to 526 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenWidthQualifier">screen 527 * width</a> resource qualifier. Set to 528 * {@link #SCREEN_WIDTH_DP_UNDEFINED} if no width is specified. 529 */ 530 public int screenWidthDp; 531 532 /** 533 * Default value for {@link #screenHeightDp} indicating that no width 534 * has been specified. 535 */ 536 public static final int SCREEN_HEIGHT_DP_UNDEFINED = 0; 537 538 /** 539 * The current height of the available screen space, in dp units, 540 * corresponding to 541 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#ScreenHeightQualifier">screen 542 * height</a> resource qualifier. Set to 543 * {@link #SCREEN_HEIGHT_DP_UNDEFINED} if no height is specified. 544 */ 545 public int screenHeightDp; 546 547 /** 548 * Default value for {@link #smallestScreenWidthDp} indicating that no width 549 * has been specified. 550 */ 551 public static final int SMALLEST_SCREEN_WIDTH_DP_UNDEFINED = 0; 552 553 /** 554 * The smallest screen size an application will see in normal operation, 555 * corresponding to 556 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#SmallestScreenWidthQualifier">smallest 557 * screen width</a> resource qualifier. 558 * This is the smallest value of both screenWidthDp and screenHeightDp 559 * in both portrait and landscape. Set to 560 * {@link #SMALLEST_SCREEN_WIDTH_DP_UNDEFINED} if no width is specified. 561 */ 562 public int smallestScreenWidthDp; 563 564 /** 565 * Default value for {@link #densityDpi} indicating that no width 566 * has been specified. 567 */ 568 public static final int DENSITY_DPI_UNDEFINED = 0; 569 570 /** 571 * Value for {@link #densityDpi} for resources that scale to any density (vector drawables). 572 * {@hide} 573 */ 574 public static final int DENSITY_DPI_ANY = 0xfffe; 575 576 /** 577 * Value for {@link #densityDpi} for resources that are not meant to be scaled. 578 * {@hide} 579 */ 580 public static final int DENSITY_DPI_NONE = 0xffff; 581 582 /** 583 * The target screen density being rendered to, 584 * corresponding to 585 * <a href="{@docRoot}guide/topics/resources/providing-resources.html#DensityQualifier">density</a> 586 * resource qualifier. Set to 587 * {@link #DENSITY_DPI_UNDEFINED} if no density is specified. 588 */ 589 public int densityDpi; 590 591 /** @hide Hack to get this information from WM to app running in compat mode. */ 592 public int compatScreenWidthDp; 593 /** @hide Hack to get this information from WM to app running in compat mode. */ 594 public int compatScreenHeightDp; 595 /** @hide Hack to get this information from WM to app running in compat mode. */ 596 public int compatSmallestScreenWidthDp; 597 598 /** 599 * @hide Internal book-keeping. 600 */ 601 public int seq; 602 603 /** @hide Native-specific bit mask for MCC config; DO NOT USE UNLESS YOU ARE SURE. */ 604 public static final int NATIVE_CONFIG_MCC = 0x0001; 605 /** @hide Native-specific bit mask for MNC config; DO NOT USE UNLESS YOU ARE SURE. */ 606 public static final int NATIVE_CONFIG_MNC = 0x0002; 607 /** @hide Native-specific bit mask for LOCALE config; DO NOT USE UNLESS YOU ARE SURE. */ 608 public static final int NATIVE_CONFIG_LOCALE = 0x0004; 609 /** @hide Native-specific bit mask for TOUCHSCREEN config; DO NOT USE UNLESS YOU ARE SURE. */ 610 public static final int NATIVE_CONFIG_TOUCHSCREEN = 0x0008; 611 /** @hide Native-specific bit mask for KEYBOARD config; DO NOT USE UNLESS YOU ARE SURE. */ 612 public static final int NATIVE_CONFIG_KEYBOARD = 0x0010; 613 /** @hide Native-specific bit mask for KEYBOARD_HIDDEN config; DO NOT USE UNLESS YOU 614 * ARE SURE. */ 615 public static final int NATIVE_CONFIG_KEYBOARD_HIDDEN = 0x0020; 616 /** @hide Native-specific bit mask for NAVIGATION config; DO NOT USE UNLESS YOU ARE SURE. */ 617 public static final int NATIVE_CONFIG_NAVIGATION = 0x0040; 618 /** @hide Native-specific bit mask for ORIENTATION config; DO NOT USE UNLESS YOU ARE SURE. */ 619 public static final int NATIVE_CONFIG_ORIENTATION = 0x0080; 620 /** @hide Native-specific bit mask for DENSITY config; DO NOT USE UNLESS YOU ARE SURE. */ 621 public static final int NATIVE_CONFIG_DENSITY = 0x0100; 622 /** @hide Native-specific bit mask for SCREEN_SIZE config; DO NOT USE UNLESS YOU ARE SURE. */ 623 public static final int NATIVE_CONFIG_SCREEN_SIZE = 0x0200; 624 /** @hide Native-specific bit mask for VERSION config; DO NOT USE UNLESS YOU ARE SURE. */ 625 public static final int NATIVE_CONFIG_VERSION = 0x0400; 626 /** @hide Native-specific bit mask for SCREEN_LAYOUT config; DO NOT USE UNLESS YOU ARE SURE. */ 627 public static final int NATIVE_CONFIG_SCREEN_LAYOUT = 0x0800; 628 /** @hide Native-specific bit mask for UI_MODE config; DO NOT USE UNLESS YOU ARE SURE. */ 629 public static final int NATIVE_CONFIG_UI_MODE = 0x1000; 630 /** @hide Native-specific bit mask for SMALLEST_SCREEN_SIZE config; DO NOT USE UNLESS YOU 631 * ARE SURE. */ 632 public static final int NATIVE_CONFIG_SMALLEST_SCREEN_SIZE = 0x2000; 633 /** @hide Native-specific bit mask for LAYOUTDIR config ; DO NOT USE UNLESS YOU ARE SURE.*/ 634 public static final int NATIVE_CONFIG_LAYOUTDIR = 0x4000; 635 636 /** 637 * Construct an invalid Configuration. You must call {@link #setToDefaults} 638 * for this object to be valid. {@more} 639 */ 640 public Configuration() { 641 setToDefaults(); 642 } 643 644 /** 645 * Makes a deep copy suitable for modification. 646 */ 647 public Configuration(Configuration o) { 648 setTo(o); 649 } 650 651 public void setTo(Configuration o) { 652 fontScale = o.fontScale; 653 mcc = o.mcc; 654 mnc = o.mnc; 655 if (o.locale != null) { 656 locale = (Locale) o.locale.clone(); 657 } 658 userSetLocale = o.userSetLocale; 659 touchscreen = o.touchscreen; 660 keyboard = o.keyboard; 661 keyboardHidden = o.keyboardHidden; 662 hardKeyboardHidden = o.hardKeyboardHidden; 663 navigation = o.navigation; 664 navigationHidden = o.navigationHidden; 665 orientation = o.orientation; 666 screenLayout = o.screenLayout; 667 uiMode = o.uiMode; 668 screenWidthDp = o.screenWidthDp; 669 screenHeightDp = o.screenHeightDp; 670 smallestScreenWidthDp = o.smallestScreenWidthDp; 671 densityDpi = o.densityDpi; 672 compatScreenWidthDp = o.compatScreenWidthDp; 673 compatScreenHeightDp = o.compatScreenHeightDp; 674 compatSmallestScreenWidthDp = o.compatSmallestScreenWidthDp; 675 seq = o.seq; 676 } 677 678 public String toString() { 679 StringBuilder sb = new StringBuilder(128); 680 sb.append("{"); 681 sb.append(fontScale); 682 sb.append(" "); 683 if (mcc != 0) { 684 sb.append(mcc); 685 sb.append("mcc"); 686 } else { 687 sb.append("?mcc"); 688 } 689 if (mnc != 0) { 690 sb.append(mnc); 691 sb.append("mnc"); 692 } else { 693 sb.append("?mnc"); 694 } 695 if (locale != null) { 696 sb.append(" "); 697 sb.append(locale); 698 } else { 699 sb.append(" ?locale"); 700 } 701 int layoutDir = (screenLayout&SCREENLAYOUT_LAYOUTDIR_MASK); 702 switch (layoutDir) { 703 case SCREENLAYOUT_LAYOUTDIR_UNDEFINED: sb.append(" ?layoutDir"); break; 704 case SCREENLAYOUT_LAYOUTDIR_LTR: sb.append(" ldltr"); break; 705 case SCREENLAYOUT_LAYOUTDIR_RTL: sb.append(" ldrtl"); break; 706 default: sb.append(" layoutDir="); 707 sb.append(layoutDir >> SCREENLAYOUT_LAYOUTDIR_SHIFT); break; 708 } 709 if (smallestScreenWidthDp != SMALLEST_SCREEN_WIDTH_DP_UNDEFINED) { 710 sb.append(" sw"); sb.append(smallestScreenWidthDp); sb.append("dp"); 711 } else { 712 sb.append(" ?swdp"); 713 } 714 if (screenWidthDp != SCREEN_WIDTH_DP_UNDEFINED) { 715 sb.append(" w"); sb.append(screenWidthDp); sb.append("dp"); 716 } else { 717 sb.append(" ?wdp"); 718 } 719 if (screenHeightDp != SCREEN_HEIGHT_DP_UNDEFINED) { 720 sb.append(" h"); sb.append(screenHeightDp); sb.append("dp"); 721 } else { 722 sb.append(" ?hdp"); 723 } 724 if (densityDpi != DENSITY_DPI_UNDEFINED) { 725 sb.append(" "); sb.append(densityDpi); sb.append("dpi"); 726 } else { 727 sb.append(" ?density"); 728 } 729 switch ((screenLayout&SCREENLAYOUT_SIZE_MASK)) { 730 case SCREENLAYOUT_SIZE_UNDEFINED: sb.append(" ?lsize"); break; 731 case SCREENLAYOUT_SIZE_SMALL: sb.append(" smll"); break; 732 case SCREENLAYOUT_SIZE_NORMAL: sb.append(" nrml"); break; 733 case SCREENLAYOUT_SIZE_LARGE: sb.append(" lrg"); break; 734 case SCREENLAYOUT_SIZE_XLARGE: sb.append(" xlrg"); break; 735 default: sb.append(" layoutSize="); 736 sb.append(screenLayout&SCREENLAYOUT_SIZE_MASK); break; 737 } 738 switch ((screenLayout&SCREENLAYOUT_LONG_MASK)) { 739 case SCREENLAYOUT_LONG_UNDEFINED: sb.append(" ?long"); break; 740 case SCREENLAYOUT_LONG_NO: /* not-long is not interesting to print */ break; 741 case SCREENLAYOUT_LONG_YES: sb.append(" long"); break; 742 default: sb.append(" layoutLong="); 743 sb.append(screenLayout&SCREENLAYOUT_LONG_MASK); break; 744 } 745 switch (orientation) { 746 case ORIENTATION_UNDEFINED: sb.append(" ?orien"); break; 747 case ORIENTATION_LANDSCAPE: sb.append(" land"); break; 748 case ORIENTATION_PORTRAIT: sb.append(" port"); break; 749 default: sb.append(" orien="); sb.append(orientation); break; 750 } 751 switch ((uiMode&UI_MODE_TYPE_MASK)) { 752 case UI_MODE_TYPE_UNDEFINED: sb.append(" ?uimode"); break; 753 case UI_MODE_TYPE_NORMAL: /* normal is not interesting to print */ break; 754 case UI_MODE_TYPE_DESK: sb.append(" desk"); break; 755 case UI_MODE_TYPE_CAR: sb.append(" car"); break; 756 case UI_MODE_TYPE_TELEVISION: sb.append(" television"); break; 757 case UI_MODE_TYPE_APPLIANCE: sb.append(" appliance"); break; 758 case UI_MODE_TYPE_WATCH: sb.append(" watch"); break; 759 default: sb.append(" uimode="); sb.append(uiMode&UI_MODE_TYPE_MASK); break; 760 } 761 switch ((uiMode&UI_MODE_NIGHT_MASK)) { 762 case UI_MODE_NIGHT_UNDEFINED: sb.append(" ?night"); break; 763 case UI_MODE_NIGHT_NO: /* not-night is not interesting to print */ break; 764 case UI_MODE_NIGHT_YES: sb.append(" night"); break; 765 default: sb.append(" night="); sb.append(uiMode&UI_MODE_NIGHT_MASK); break; 766 } 767 switch (touchscreen) { 768 case TOUCHSCREEN_UNDEFINED: sb.append(" ?touch"); break; 769 case TOUCHSCREEN_NOTOUCH: sb.append(" -touch"); break; 770 case TOUCHSCREEN_STYLUS: sb.append(" stylus"); break; 771 case TOUCHSCREEN_FINGER: sb.append(" finger"); break; 772 default: sb.append(" touch="); sb.append(touchscreen); break; 773 } 774 switch (keyboard) { 775 case KEYBOARD_UNDEFINED: sb.append(" ?keyb"); break; 776 case KEYBOARD_NOKEYS: sb.append(" -keyb"); break; 777 case KEYBOARD_QWERTY: sb.append(" qwerty"); break; 778 case KEYBOARD_12KEY: sb.append(" 12key"); break; 779 default: sb.append(" keys="); sb.append(keyboard); break; 780 } 781 switch (keyboardHidden) { 782 case KEYBOARDHIDDEN_UNDEFINED: sb.append("/?"); break; 783 case KEYBOARDHIDDEN_NO: sb.append("/v"); break; 784 case KEYBOARDHIDDEN_YES: sb.append("/h"); break; 785 case KEYBOARDHIDDEN_SOFT: sb.append("/s"); break; 786 default: sb.append("/"); sb.append(keyboardHidden); break; 787 } 788 switch (hardKeyboardHidden) { 789 case HARDKEYBOARDHIDDEN_UNDEFINED: sb.append("/?"); break; 790 case HARDKEYBOARDHIDDEN_NO: sb.append("/v"); break; 791 case HARDKEYBOARDHIDDEN_YES: sb.append("/h"); break; 792 default: sb.append("/"); sb.append(hardKeyboardHidden); break; 793 } 794 switch (navigation) { 795 case NAVIGATION_UNDEFINED: sb.append(" ?nav"); break; 796 case NAVIGATION_NONAV: sb.append(" -nav"); break; 797 case NAVIGATION_DPAD: sb.append(" dpad"); break; 798 case NAVIGATION_TRACKBALL: sb.append(" tball"); break; 799 case NAVIGATION_WHEEL: sb.append(" wheel"); break; 800 default: sb.append(" nav="); sb.append(navigation); break; 801 } 802 switch (navigationHidden) { 803 case NAVIGATIONHIDDEN_UNDEFINED: sb.append("/?"); break; 804 case NAVIGATIONHIDDEN_NO: sb.append("/v"); break; 805 case NAVIGATIONHIDDEN_YES: sb.append("/h"); break; 806 default: sb.append("/"); sb.append(navigationHidden); break; 807 } 808 if (seq != 0) { 809 sb.append(" s."); 810 sb.append(seq); 811 } 812 sb.append('}'); 813 return sb.toString(); 814 } 815 816 /** 817 * Set this object to the system defaults. 818 */ 819 public void setToDefaults() { 820 fontScale = 1; 821 mcc = mnc = 0; 822 locale = null; 823 userSetLocale = false; 824 touchscreen = TOUCHSCREEN_UNDEFINED; 825 keyboard = KEYBOARD_UNDEFINED; 826 keyboardHidden = KEYBOARDHIDDEN_UNDEFINED; 827 hardKeyboardHidden = HARDKEYBOARDHIDDEN_UNDEFINED; 828 navigation = NAVIGATION_UNDEFINED; 829 navigationHidden = NAVIGATIONHIDDEN_UNDEFINED; 830 orientation = ORIENTATION_UNDEFINED; 831 screenLayout = SCREENLAYOUT_UNDEFINED; 832 uiMode = UI_MODE_TYPE_UNDEFINED; 833 screenWidthDp = compatScreenWidthDp = SCREEN_WIDTH_DP_UNDEFINED; 834 screenHeightDp = compatScreenHeightDp = SCREEN_HEIGHT_DP_UNDEFINED; 835 smallestScreenWidthDp = compatSmallestScreenWidthDp = SMALLEST_SCREEN_WIDTH_DP_UNDEFINED; 836 densityDpi = DENSITY_DPI_UNDEFINED; 837 seq = 0; 838 } 839 840 /** {@hide} */ 841 @Deprecated public void makeDefault() { 842 setToDefaults(); 843 } 844 845 /** 846 * Copy the fields from delta into this Configuration object, keeping 847 * track of which ones have changed. Any undefined fields in 848 * <var>delta</var> are ignored and not copied in to the current 849 * Configuration. 850 * @return Returns a bit mask of the changed fields, as per 851 * {@link #diff}. 852 */ 853 public int updateFrom(Configuration delta) { 854 int changed = 0; 855 if (delta.fontScale > 0 && fontScale != delta.fontScale) { 856 changed |= ActivityInfo.CONFIG_FONT_SCALE; 857 fontScale = delta.fontScale; 858 } 859 if (delta.mcc != 0 && mcc != delta.mcc) { 860 changed |= ActivityInfo.CONFIG_MCC; 861 mcc = delta.mcc; 862 } 863 if (delta.mnc != 0 && mnc != delta.mnc) { 864 changed |= ActivityInfo.CONFIG_MNC; 865 mnc = delta.mnc; 866 } 867 if (delta.locale != null 868 && (locale == null || !locale.equals(delta.locale))) { 869 changed |= ActivityInfo.CONFIG_LOCALE; 870 locale = delta.locale != null 871 ? (Locale) delta.locale.clone() : null; 872 // If locale has changed, then layout direction is also changed ... 873 changed |= ActivityInfo.CONFIG_LAYOUT_DIRECTION; 874 // ... and we need to update the layout direction (represented by the first 875 // 2 most significant bits in screenLayout). 876 setLayoutDirection(locale); 877 } 878 final int deltaScreenLayoutDir = delta.screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK; 879 if (deltaScreenLayoutDir != SCREENLAYOUT_LAYOUTDIR_UNDEFINED && 880 deltaScreenLayoutDir != (screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK)) { 881 screenLayout = (screenLayout & ~SCREENLAYOUT_LAYOUTDIR_MASK) | deltaScreenLayoutDir; 882 changed |= ActivityInfo.CONFIG_LAYOUT_DIRECTION; 883 } 884 if (delta.userSetLocale && (!userSetLocale || ((changed & ActivityInfo.CONFIG_LOCALE) != 0))) 885 { 886 changed |= ActivityInfo.CONFIG_LOCALE; 887 userSetLocale = true; 888 } 889 if (delta.touchscreen != TOUCHSCREEN_UNDEFINED 890 && touchscreen != delta.touchscreen) { 891 changed |= ActivityInfo.CONFIG_TOUCHSCREEN; 892 touchscreen = delta.touchscreen; 893 } 894 if (delta.keyboard != KEYBOARD_UNDEFINED 895 && keyboard != delta.keyboard) { 896 changed |= ActivityInfo.CONFIG_KEYBOARD; 897 keyboard = delta.keyboard; 898 } 899 if (delta.keyboardHidden != KEYBOARDHIDDEN_UNDEFINED 900 && keyboardHidden != delta.keyboardHidden) { 901 changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 902 keyboardHidden = delta.keyboardHidden; 903 } 904 if (delta.hardKeyboardHidden != HARDKEYBOARDHIDDEN_UNDEFINED 905 && hardKeyboardHidden != delta.hardKeyboardHidden) { 906 changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 907 hardKeyboardHidden = delta.hardKeyboardHidden; 908 } 909 if (delta.navigation != NAVIGATION_UNDEFINED 910 && navigation != delta.navigation) { 911 changed |= ActivityInfo.CONFIG_NAVIGATION; 912 navigation = delta.navigation; 913 } 914 if (delta.navigationHidden != NAVIGATIONHIDDEN_UNDEFINED 915 && navigationHidden != delta.navigationHidden) { 916 changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 917 navigationHidden = delta.navigationHidden; 918 } 919 if (delta.orientation != ORIENTATION_UNDEFINED 920 && orientation != delta.orientation) { 921 changed |= ActivityInfo.CONFIG_ORIENTATION; 922 orientation = delta.orientation; 923 } 924 if (getScreenLayoutNoDirection(delta.screenLayout) != 925 (SCREENLAYOUT_SIZE_UNDEFINED | SCREENLAYOUT_LONG_UNDEFINED) 926 && (getScreenLayoutNoDirection(screenLayout) != 927 getScreenLayoutNoDirection(delta.screenLayout))) { 928 changed |= ActivityInfo.CONFIG_SCREEN_LAYOUT; 929 // We need to preserve the previous layout dir bits if they were defined 930 if ((delta.screenLayout&SCREENLAYOUT_LAYOUTDIR_MASK) == 0) { 931 screenLayout = (screenLayout&SCREENLAYOUT_LAYOUTDIR_MASK)|delta.screenLayout; 932 } else { 933 screenLayout = delta.screenLayout; 934 } 935 } 936 if (delta.uiMode != (UI_MODE_TYPE_UNDEFINED|UI_MODE_NIGHT_UNDEFINED) 937 && uiMode != delta.uiMode) { 938 changed |= ActivityInfo.CONFIG_UI_MODE; 939 if ((delta.uiMode&UI_MODE_TYPE_MASK) != UI_MODE_TYPE_UNDEFINED) { 940 uiMode = (uiMode&~UI_MODE_TYPE_MASK) 941 | (delta.uiMode&UI_MODE_TYPE_MASK); 942 } 943 if ((delta.uiMode&UI_MODE_NIGHT_MASK) != UI_MODE_NIGHT_UNDEFINED) { 944 uiMode = (uiMode&~UI_MODE_NIGHT_MASK) 945 | (delta.uiMode&UI_MODE_NIGHT_MASK); 946 } 947 } 948 if (delta.screenWidthDp != SCREEN_WIDTH_DP_UNDEFINED 949 && screenWidthDp != delta.screenWidthDp) { 950 changed |= ActivityInfo.CONFIG_SCREEN_SIZE; 951 screenWidthDp = delta.screenWidthDp; 952 } 953 if (delta.screenHeightDp != SCREEN_HEIGHT_DP_UNDEFINED 954 && screenHeightDp != delta.screenHeightDp) { 955 changed |= ActivityInfo.CONFIG_SCREEN_SIZE; 956 screenHeightDp = delta.screenHeightDp; 957 } 958 if (delta.smallestScreenWidthDp != SMALLEST_SCREEN_WIDTH_DP_UNDEFINED 959 && smallestScreenWidthDp != delta.smallestScreenWidthDp) { 960 changed |= ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE; 961 smallestScreenWidthDp = delta.smallestScreenWidthDp; 962 } 963 if (delta.densityDpi != DENSITY_DPI_UNDEFINED && 964 densityDpi != delta.densityDpi) { 965 changed |= ActivityInfo.CONFIG_DENSITY; 966 densityDpi = delta.densityDpi; 967 } 968 if (delta.compatScreenWidthDp != SCREEN_WIDTH_DP_UNDEFINED) { 969 compatScreenWidthDp = delta.compatScreenWidthDp; 970 } 971 if (delta.compatScreenHeightDp != SCREEN_HEIGHT_DP_UNDEFINED) { 972 compatScreenHeightDp = delta.compatScreenHeightDp; 973 } 974 if (delta.compatSmallestScreenWidthDp != SMALLEST_SCREEN_WIDTH_DP_UNDEFINED) { 975 compatSmallestScreenWidthDp = delta.compatSmallestScreenWidthDp; 976 } 977 if (delta.seq != 0) { 978 seq = delta.seq; 979 } 980 981 return changed; 982 } 983 984 /** 985 * Return a bit mask of the differences between this Configuration 986 * object and the given one. Does not change the values of either. Any 987 * undefined fields in <var>delta</var> are ignored. 988 * @return Returns a bit mask indicating which configuration 989 * values has changed, containing any combination of 990 * {@link android.content.pm.ActivityInfo#CONFIG_FONT_SCALE 991 * PackageManager.ActivityInfo.CONFIG_FONT_SCALE}, 992 * {@link android.content.pm.ActivityInfo#CONFIG_MCC 993 * PackageManager.ActivityInfo.CONFIG_MCC}, 994 * {@link android.content.pm.ActivityInfo#CONFIG_MNC 995 * PackageManager.ActivityInfo.CONFIG_MNC}, 996 * {@link android.content.pm.ActivityInfo#CONFIG_LOCALE 997 * PackageManager.ActivityInfo.CONFIG_LOCALE}, 998 * {@link android.content.pm.ActivityInfo#CONFIG_TOUCHSCREEN 999 * PackageManager.ActivityInfo.CONFIG_TOUCHSCREEN}, 1000 * {@link android.content.pm.ActivityInfo#CONFIG_KEYBOARD 1001 * PackageManager.ActivityInfo.CONFIG_KEYBOARD}, 1002 * {@link android.content.pm.ActivityInfo#CONFIG_NAVIGATION 1003 * PackageManager.ActivityInfo.CONFIG_NAVIGATION}, 1004 * {@link android.content.pm.ActivityInfo#CONFIG_ORIENTATION 1005 * PackageManager.ActivityInfo.CONFIG_ORIENTATION}, 1006 * {@link android.content.pm.ActivityInfo#CONFIG_SCREEN_LAYOUT 1007 * PackageManager.ActivityInfo.CONFIG_SCREEN_LAYOUT}, or 1008 * {@link android.content.pm.ActivityInfo#CONFIG_SCREEN_SIZE 1009 * PackageManager.ActivityInfo.CONFIG_SCREEN_SIZE}, or 1010 * {@link android.content.pm.ActivityInfo#CONFIG_SMALLEST_SCREEN_SIZE 1011 * PackageManager.ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE}. 1012 * {@link android.content.pm.ActivityInfo#CONFIG_LAYOUT_DIRECTION 1013 * PackageManager.ActivityInfo.CONFIG_LAYOUT_DIRECTION}. 1014 */ 1015 public int diff(Configuration delta) { 1016 int changed = 0; 1017 if (delta.fontScale > 0 && fontScale != delta.fontScale) { 1018 changed |= ActivityInfo.CONFIG_FONT_SCALE; 1019 } 1020 if (delta.mcc != 0 && mcc != delta.mcc) { 1021 changed |= ActivityInfo.CONFIG_MCC; 1022 } 1023 if (delta.mnc != 0 && mnc != delta.mnc) { 1024 changed |= ActivityInfo.CONFIG_MNC; 1025 } 1026 if (delta.locale != null 1027 && (locale == null || !locale.equals(delta.locale))) { 1028 changed |= ActivityInfo.CONFIG_LOCALE; 1029 changed |= ActivityInfo.CONFIG_LAYOUT_DIRECTION; 1030 } 1031 final int deltaScreenLayoutDir = delta.screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK; 1032 if (deltaScreenLayoutDir != SCREENLAYOUT_LAYOUTDIR_UNDEFINED && 1033 deltaScreenLayoutDir != (screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK)) { 1034 changed |= ActivityInfo.CONFIG_LAYOUT_DIRECTION; 1035 } 1036 if (delta.touchscreen != TOUCHSCREEN_UNDEFINED 1037 && touchscreen != delta.touchscreen) { 1038 changed |= ActivityInfo.CONFIG_TOUCHSCREEN; 1039 } 1040 if (delta.keyboard != KEYBOARD_UNDEFINED 1041 && keyboard != delta.keyboard) { 1042 changed |= ActivityInfo.CONFIG_KEYBOARD; 1043 } 1044 if (delta.keyboardHidden != KEYBOARDHIDDEN_UNDEFINED 1045 && keyboardHidden != delta.keyboardHidden) { 1046 changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 1047 } 1048 if (delta.hardKeyboardHidden != HARDKEYBOARDHIDDEN_UNDEFINED 1049 && hardKeyboardHidden != delta.hardKeyboardHidden) { 1050 changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 1051 } 1052 if (delta.navigation != NAVIGATION_UNDEFINED 1053 && navigation != delta.navigation) { 1054 changed |= ActivityInfo.CONFIG_NAVIGATION; 1055 } 1056 if (delta.navigationHidden != NAVIGATIONHIDDEN_UNDEFINED 1057 && navigationHidden != delta.navigationHidden) { 1058 changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 1059 } 1060 if (delta.orientation != ORIENTATION_UNDEFINED 1061 && orientation != delta.orientation) { 1062 changed |= ActivityInfo.CONFIG_ORIENTATION; 1063 } 1064 if (getScreenLayoutNoDirection(delta.screenLayout) != 1065 (SCREENLAYOUT_SIZE_UNDEFINED | SCREENLAYOUT_LONG_UNDEFINED) 1066 && getScreenLayoutNoDirection(screenLayout) != 1067 getScreenLayoutNoDirection(delta.screenLayout)) { 1068 changed |= ActivityInfo.CONFIG_SCREEN_LAYOUT; 1069 } 1070 if (delta.uiMode != (UI_MODE_TYPE_UNDEFINED|UI_MODE_NIGHT_UNDEFINED) 1071 && uiMode != delta.uiMode) { 1072 changed |= ActivityInfo.CONFIG_UI_MODE; 1073 } 1074 if (delta.screenWidthDp != SCREEN_WIDTH_DP_UNDEFINED 1075 && screenWidthDp != delta.screenWidthDp) { 1076 changed |= ActivityInfo.CONFIG_SCREEN_SIZE; 1077 } 1078 if (delta.screenHeightDp != SCREEN_HEIGHT_DP_UNDEFINED 1079 && screenHeightDp != delta.screenHeightDp) { 1080 changed |= ActivityInfo.CONFIG_SCREEN_SIZE; 1081 } 1082 if (delta.smallestScreenWidthDp != SMALLEST_SCREEN_WIDTH_DP_UNDEFINED 1083 && smallestScreenWidthDp != delta.smallestScreenWidthDp) { 1084 changed |= ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE; 1085 } 1086 if (delta.densityDpi != DENSITY_DPI_UNDEFINED 1087 && densityDpi != delta.densityDpi) { 1088 changed |= ActivityInfo.CONFIG_DENSITY; 1089 } 1090 1091 return changed; 1092 } 1093 1094 /** 1095 * Determine if a new resource needs to be loaded from the bit set of 1096 * configuration changes returned by {@link #updateFrom(Configuration)}. 1097 * 1098 * @param configChanges The mask of changes configurations as returned by 1099 * {@link #updateFrom(Configuration)}. 1100 * @param interestingChanges The configuration changes that the resource 1101 * can handled, as given in {@link android.util.TypedValue#changingConfigurations}. 1102 * 1103 * @return Return true if the resource needs to be loaded, else false. 1104 */ 1105 public static boolean needNewResources(int configChanges, int interestingChanges) { 1106 return (configChanges & (interestingChanges|ActivityInfo.CONFIG_FONT_SCALE)) != 0; 1107 } 1108 1109 /** 1110 * @hide Return true if the sequence of 'other' is better than this. Assumes 1111 * that 'this' is your current sequence and 'other' is a new one you have 1112 * received some how and want to compare with what you have. 1113 */ 1114 public boolean isOtherSeqNewer(Configuration other) { 1115 if (other == null) { 1116 // Sanity check. 1117 return false; 1118 } 1119 if (other.seq == 0) { 1120 // If the other sequence is not specified, then we must assume 1121 // it is newer since we don't know any better. 1122 return true; 1123 } 1124 if (seq == 0) { 1125 // If this sequence is not specified, then we also consider the 1126 // other is better. Yes we have a preference for other. Sue us. 1127 return true; 1128 } 1129 int diff = other.seq - seq; 1130 if (diff > 0x10000) { 1131 // If there has been a sufficiently large jump, assume the 1132 // sequence has wrapped around. 1133 return false; 1134 } 1135 return diff > 0; 1136 } 1137 1138 /** 1139 * Parcelable methods 1140 */ 1141 public int describeContents() { 1142 return 0; 1143 } 1144 1145 public void writeToParcel(Parcel dest, int flags) { 1146 dest.writeFloat(fontScale); 1147 dest.writeInt(mcc); 1148 dest.writeInt(mnc); 1149 if (locale == null) { 1150 dest.writeInt(0); 1151 } else { 1152 dest.writeInt(1); 1153 dest.writeString(locale.getLanguage()); 1154 dest.writeString(locale.getCountry()); 1155 dest.writeString(locale.getVariant()); 1156 } 1157 if(userSetLocale) { 1158 dest.writeInt(1); 1159 } else { 1160 dest.writeInt(0); 1161 } 1162 dest.writeInt(touchscreen); 1163 dest.writeInt(keyboard); 1164 dest.writeInt(keyboardHidden); 1165 dest.writeInt(hardKeyboardHidden); 1166 dest.writeInt(navigation); 1167 dest.writeInt(navigationHidden); 1168 dest.writeInt(orientation); 1169 dest.writeInt(screenLayout); 1170 dest.writeInt(uiMode); 1171 dest.writeInt(screenWidthDp); 1172 dest.writeInt(screenHeightDp); 1173 dest.writeInt(smallestScreenWidthDp); 1174 dest.writeInt(densityDpi); 1175 dest.writeInt(compatScreenWidthDp); 1176 dest.writeInt(compatScreenHeightDp); 1177 dest.writeInt(compatSmallestScreenWidthDp); 1178 dest.writeInt(seq); 1179 } 1180 1181 public void readFromParcel(Parcel source) { 1182 fontScale = source.readFloat(); 1183 mcc = source.readInt(); 1184 mnc = source.readInt(); 1185 if (source.readInt() != 0) { 1186 locale = new Locale(source.readString(), source.readString(), 1187 source.readString()); 1188 } 1189 userSetLocale = (source.readInt()==1); 1190 touchscreen = source.readInt(); 1191 keyboard = source.readInt(); 1192 keyboardHidden = source.readInt(); 1193 hardKeyboardHidden = source.readInt(); 1194 navigation = source.readInt(); 1195 navigationHidden = source.readInt(); 1196 orientation = source.readInt(); 1197 screenLayout = source.readInt(); 1198 uiMode = source.readInt(); 1199 screenWidthDp = source.readInt(); 1200 screenHeightDp = source.readInt(); 1201 smallestScreenWidthDp = source.readInt(); 1202 densityDpi = source.readInt(); 1203 compatScreenWidthDp = source.readInt(); 1204 compatScreenHeightDp = source.readInt(); 1205 compatSmallestScreenWidthDp = source.readInt(); 1206 seq = source.readInt(); 1207 } 1208 1209 public static final Parcelable.Creator<Configuration> CREATOR 1210 = new Parcelable.Creator<Configuration>() { 1211 public Configuration createFromParcel(Parcel source) { 1212 return new Configuration(source); 1213 } 1214 1215 public Configuration[] newArray(int size) { 1216 return new Configuration[size]; 1217 } 1218 }; 1219 1220 /** 1221 * Construct this Configuration object, reading from the Parcel. 1222 */ 1223 private Configuration(Parcel source) { 1224 readFromParcel(source); 1225 } 1226 1227 public int compareTo(Configuration that) { 1228 int n; 1229 float a = this.fontScale; 1230 float b = that.fontScale; 1231 if (a < b) return -1; 1232 if (a > b) return 1; 1233 n = this.mcc - that.mcc; 1234 if (n != 0) return n; 1235 n = this.mnc - that.mnc; 1236 if (n != 0) return n; 1237 if (this.locale == null) { 1238 if (that.locale != null) return 1; 1239 } else if (that.locale == null) { 1240 return -1; 1241 } else { 1242 n = this.locale.getLanguage().compareTo(that.locale.getLanguage()); 1243 if (n != 0) return n; 1244 n = this.locale.getCountry().compareTo(that.locale.getCountry()); 1245 if (n != 0) return n; 1246 n = this.locale.getVariant().compareTo(that.locale.getVariant()); 1247 if (n != 0) return n; 1248 } 1249 n = this.touchscreen - that.touchscreen; 1250 if (n != 0) return n; 1251 n = this.keyboard - that.keyboard; 1252 if (n != 0) return n; 1253 n = this.keyboardHidden - that.keyboardHidden; 1254 if (n != 0) return n; 1255 n = this.hardKeyboardHidden - that.hardKeyboardHidden; 1256 if (n != 0) return n; 1257 n = this.navigation - that.navigation; 1258 if (n != 0) return n; 1259 n = this.navigationHidden - that.navigationHidden; 1260 if (n != 0) return n; 1261 n = this.orientation - that.orientation; 1262 if (n != 0) return n; 1263 n = this.screenLayout - that.screenLayout; 1264 if (n != 0) return n; 1265 n = this.uiMode - that.uiMode; 1266 if (n != 0) return n; 1267 n = this.screenWidthDp - that.screenWidthDp; 1268 if (n != 0) return n; 1269 n = this.screenHeightDp - that.screenHeightDp; 1270 if (n != 0) return n; 1271 n = this.smallestScreenWidthDp - that.smallestScreenWidthDp; 1272 if (n != 0) return n; 1273 n = this.densityDpi - that.densityDpi; 1274 //if (n != 0) return n; 1275 return n; 1276 } 1277 1278 public boolean equals(Configuration that) { 1279 if (that == null) return false; 1280 if (that == this) return true; 1281 return this.compareTo(that) == 0; 1282 } 1283 1284 public boolean equals(Object that) { 1285 try { 1286 return equals((Configuration)that); 1287 } catch (ClassCastException e) { 1288 } 1289 return false; 1290 } 1291 1292 public int hashCode() { 1293 int result = 17; 1294 result = 31 * result + Float.floatToIntBits(fontScale); 1295 result = 31 * result + mcc; 1296 result = 31 * result + mnc; 1297 result = 31 * result + (locale != null ? locale.hashCode() : 0); 1298 result = 31 * result + touchscreen; 1299 result = 31 * result + keyboard; 1300 result = 31 * result + keyboardHidden; 1301 result = 31 * result + hardKeyboardHidden; 1302 result = 31 * result + navigation; 1303 result = 31 * result + navigationHidden; 1304 result = 31 * result + orientation; 1305 result = 31 * result + screenLayout; 1306 result = 31 * result + uiMode; 1307 result = 31 * result + screenWidthDp; 1308 result = 31 * result + screenHeightDp; 1309 result = 31 * result + smallestScreenWidthDp; 1310 result = 31 * result + densityDpi; 1311 return result; 1312 } 1313 1314 /** 1315 * Set the locale. This is the preferred way for setting up the locale (instead of using the 1316 * direct accessor). This will also set the layout direction according to the locale. 1317 * 1318 * @param loc The locale. Can be null. 1319 */ 1320 public void setLocale(Locale loc) { 1321 locale = loc; 1322 setLayoutDirection(locale); 1323 } 1324 1325 /** 1326 * Return the layout direction. Will be either {@link View#LAYOUT_DIRECTION_LTR} or 1327 * {@link View#LAYOUT_DIRECTION_RTL}. 1328 * 1329 * @return Returns {@link View#LAYOUT_DIRECTION_RTL} if the configuration 1330 * is {@link #SCREENLAYOUT_LAYOUTDIR_RTL}, otherwise {@link View#LAYOUT_DIRECTION_LTR}. 1331 */ 1332 public int getLayoutDirection() { 1333 return (screenLayout&SCREENLAYOUT_LAYOUTDIR_MASK) == SCREENLAYOUT_LAYOUTDIR_RTL 1334 ? View.LAYOUT_DIRECTION_RTL : View.LAYOUT_DIRECTION_LTR; 1335 } 1336 1337 /** 1338 * Set the layout direction from the Locale. 1339 * 1340 * @param locale The Locale. If null will set the layout direction to 1341 * {@link View#LAYOUT_DIRECTION_LTR}. If not null will set it to the layout direction 1342 * corresponding to the Locale. 1343 * 1344 * @see View#LAYOUT_DIRECTION_LTR 1345 * @see View#LAYOUT_DIRECTION_RTL 1346 */ 1347 public void setLayoutDirection(Locale locale) { 1348 // There is a "1" difference between the configuration values for 1349 // layout direction and View constants for layout direction, just add "1". 1350 final int layoutDirection = 1 + TextUtils.getLayoutDirectionFromLocale(locale); 1351 screenLayout = (screenLayout&~SCREENLAYOUT_LAYOUTDIR_MASK)| 1352 (layoutDirection << SCREENLAYOUT_LAYOUTDIR_SHIFT); 1353 } 1354 1355 private static int getScreenLayoutNoDirection(int screenLayout) { 1356 return screenLayout&~SCREENLAYOUT_LAYOUTDIR_MASK; 1357 } 1358 1359 /** 1360 * Return whether the screen has a round shape. Apps may choose to change styling based 1361 * on this property, such as the alignment or layout of text or informational icons. 1362 * 1363 * @return true if the screen is rounded, false otherwise 1364 */ 1365 public boolean isScreenRound() { 1366 return (screenLayout & SCREENLAYOUT_ROUND_MASK) == SCREENLAYOUT_ROUND_YES; 1367 } 1368 1369 /** 1370 * 1371 * @hide 1372 */ 1373 public static String localeToResourceQualifier(Locale locale) { 1374 StringBuilder sb = new StringBuilder(); 1375 boolean l = (locale.getLanguage().length() != 0); 1376 boolean c = (locale.getCountry().length() != 0); 1377 boolean s = (locale.getScript().length() != 0); 1378 boolean v = (locale.getVariant().length() != 0); 1379 1380 if (l) { 1381 sb.append(locale.getLanguage()); 1382 if (c) { 1383 sb.append("-r").append(locale.getCountry()); 1384 if (s) { 1385 sb.append("-s").append(locale.getScript()); 1386 if (v) { 1387 sb.append("-v").append(locale.getVariant()); 1388 } 1389 } 1390 } 1391 } 1392 return sb.toString(); 1393 } 1394 1395 1396 /** 1397 * Returns a string representation of the configuration that can be parsed 1398 * by build tools (like AAPT). 1399 * 1400 * @hide 1401 */ 1402 public static String resourceQualifierString(Configuration config) { 1403 ArrayList<String> parts = new ArrayList<String>(); 1404 1405 if (config.mcc != 0) { 1406 parts.add("mcc" + config.mcc); 1407 if (config.mnc != 0) { 1408 parts.add("mnc" + config.mnc); 1409 } 1410 } 1411 1412 if (config.locale != null && !config.locale.getLanguage().isEmpty()) { 1413 parts.add(localeToResourceQualifier(config.locale)); 1414 } 1415 1416 switch (config.screenLayout & Configuration.SCREENLAYOUT_LAYOUTDIR_MASK) { 1417 case Configuration.SCREENLAYOUT_LAYOUTDIR_LTR: 1418 parts.add("ldltr"); 1419 break; 1420 case Configuration.SCREENLAYOUT_LAYOUTDIR_RTL: 1421 parts.add("ldrtl"); 1422 break; 1423 default: 1424 break; 1425 } 1426 1427 if (config.smallestScreenWidthDp != 0) { 1428 parts.add("sw" + config.smallestScreenWidthDp + "dp"); 1429 } 1430 1431 if (config.screenWidthDp != 0) { 1432 parts.add("w" + config.screenWidthDp + "dp"); 1433 } 1434 1435 if (config.screenHeightDp != 0) { 1436 parts.add("h" + config.screenHeightDp + "dp"); 1437 } 1438 1439 switch (config.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) { 1440 case Configuration.SCREENLAYOUT_SIZE_SMALL: 1441 parts.add("small"); 1442 break; 1443 case Configuration.SCREENLAYOUT_SIZE_NORMAL: 1444 parts.add("normal"); 1445 break; 1446 case Configuration.SCREENLAYOUT_SIZE_LARGE: 1447 parts.add("large"); 1448 break; 1449 case Configuration.SCREENLAYOUT_SIZE_XLARGE: 1450 parts.add("xlarge"); 1451 break; 1452 default: 1453 break; 1454 } 1455 1456 switch (config.screenLayout & Configuration.SCREENLAYOUT_LONG_MASK) { 1457 case Configuration.SCREENLAYOUT_LONG_YES: 1458 parts.add("long"); 1459 break; 1460 case Configuration.SCREENLAYOUT_LONG_NO: 1461 parts.add("notlong"); 1462 break; 1463 default: 1464 break; 1465 } 1466 1467 switch (config.screenLayout & Configuration.SCREENLAYOUT_ROUND_MASK) { 1468 case Configuration.SCREENLAYOUT_ROUND_YES: 1469 parts.add("round"); 1470 break; 1471 case Configuration.SCREENLAYOUT_ROUND_NO: 1472 parts.add("notround"); 1473 break; 1474 default: 1475 break; 1476 } 1477 1478 switch (config.orientation) { 1479 case Configuration.ORIENTATION_LANDSCAPE: 1480 parts.add("land"); 1481 break; 1482 case Configuration.ORIENTATION_PORTRAIT: 1483 parts.add("port"); 1484 break; 1485 default: 1486 break; 1487 } 1488 1489 switch (config.uiMode & Configuration.UI_MODE_TYPE_MASK) { 1490 case Configuration.UI_MODE_TYPE_APPLIANCE: 1491 parts.add("appliance"); 1492 break; 1493 case Configuration.UI_MODE_TYPE_DESK: 1494 parts.add("desk"); 1495 break; 1496 case Configuration.UI_MODE_TYPE_TELEVISION: 1497 parts.add("television"); 1498 break; 1499 case Configuration.UI_MODE_TYPE_CAR: 1500 parts.add("car"); 1501 break; 1502 case Configuration.UI_MODE_TYPE_WATCH: 1503 parts.add("watch"); 1504 break; 1505 default: 1506 break; 1507 } 1508 1509 switch (config.uiMode & Configuration.UI_MODE_NIGHT_MASK) { 1510 case Configuration.UI_MODE_NIGHT_YES: 1511 parts.add("night"); 1512 break; 1513 case Configuration.UI_MODE_NIGHT_NO: 1514 parts.add("notnight"); 1515 break; 1516 default: 1517 break; 1518 } 1519 1520 switch (config.densityDpi) { 1521 case DENSITY_DPI_UNDEFINED: 1522 break; 1523 case 120: 1524 parts.add("ldpi"); 1525 break; 1526 case 160: 1527 parts.add("mdpi"); 1528 break; 1529 case 213: 1530 parts.add("tvdpi"); 1531 break; 1532 case 240: 1533 parts.add("hdpi"); 1534 break; 1535 case 320: 1536 parts.add("xhdpi"); 1537 break; 1538 case 480: 1539 parts.add("xxhdpi"); 1540 break; 1541 case 640: 1542 parts.add("xxxhdpi"); 1543 break; 1544 case DENSITY_DPI_ANY: 1545 parts.add("anydpi"); 1546 break; 1547 case DENSITY_DPI_NONE: 1548 parts.add("nodpi"); 1549 default: 1550 parts.add(config.densityDpi + "dpi"); 1551 break; 1552 } 1553 1554 switch (config.touchscreen) { 1555 case Configuration.TOUCHSCREEN_NOTOUCH: 1556 parts.add("notouch"); 1557 break; 1558 case Configuration.TOUCHSCREEN_FINGER: 1559 parts.add("finger"); 1560 break; 1561 default: 1562 break; 1563 } 1564 1565 switch (config.keyboardHidden) { 1566 case Configuration.KEYBOARDHIDDEN_NO: 1567 parts.add("keysexposed"); 1568 break; 1569 case Configuration.KEYBOARDHIDDEN_YES: 1570 parts.add("keyshidden"); 1571 break; 1572 case Configuration.KEYBOARDHIDDEN_SOFT: 1573 parts.add("keyssoft"); 1574 break; 1575 default: 1576 break; 1577 } 1578 1579 switch (config.keyboard) { 1580 case Configuration.KEYBOARD_NOKEYS: 1581 parts.add("nokeys"); 1582 break; 1583 case Configuration.KEYBOARD_QWERTY: 1584 parts.add("qwerty"); 1585 break; 1586 case Configuration.KEYBOARD_12KEY: 1587 parts.add("12key"); 1588 break; 1589 default: 1590 break; 1591 } 1592 1593 switch (config.navigationHidden) { 1594 case Configuration.NAVIGATIONHIDDEN_NO: 1595 parts.add("navexposed"); 1596 break; 1597 case Configuration.NAVIGATIONHIDDEN_YES: 1598 parts.add("navhidden"); 1599 break; 1600 default: 1601 break; 1602 } 1603 1604 switch (config.navigation) { 1605 case Configuration.NAVIGATION_NONAV: 1606 parts.add("nonav"); 1607 break; 1608 case Configuration.NAVIGATION_DPAD: 1609 parts.add("dpad"); 1610 break; 1611 case Configuration.NAVIGATION_TRACKBALL: 1612 parts.add("trackball"); 1613 break; 1614 case Configuration.NAVIGATION_WHEEL: 1615 parts.add("wheel"); 1616 break; 1617 default: 1618 break; 1619 } 1620 1621 parts.add("v" + Build.VERSION.RESOURCES_SDK_INT); 1622 return TextUtils.join("-", parts); 1623 } 1624 1625 /** 1626 * Generate a delta Configuration between <code>base</code> and <code>change</code>. The 1627 * resulting delta can be used with {@link #updateFrom(Configuration)}. 1628 * <p /> 1629 * Caveat: If the any of the Configuration's members becomes undefined, then 1630 * {@link #updateFrom(Configuration)} will treat it as a no-op and not update that member. 1631 * 1632 * This is fine for device configurations as no member is ever undefined. 1633 * {@hide} 1634 */ 1635 public static Configuration generateDelta(Configuration base, Configuration change) { 1636 final Configuration delta = new Configuration(); 1637 if (base.fontScale != change.fontScale) { 1638 delta.fontScale = change.fontScale; 1639 } 1640 1641 if (base.mcc != change.mcc) { 1642 delta.mcc = change.mcc; 1643 } 1644 1645 if (base.mnc != change.mnc) { 1646 delta.mnc = change.mnc; 1647 } 1648 1649 if ((base.locale == null && change.locale != null) || 1650 (base.locale != null && !base.locale.equals(change.locale))) { 1651 delta.locale = change.locale; 1652 } 1653 1654 if (base.touchscreen != change.touchscreen) { 1655 delta.touchscreen = change.touchscreen; 1656 } 1657 1658 if (base.keyboard != change.keyboard) { 1659 delta.keyboard = change.keyboard; 1660 } 1661 1662 if (base.keyboardHidden != change.keyboardHidden) { 1663 delta.keyboardHidden = change.keyboardHidden; 1664 } 1665 1666 if (base.navigation != change.navigation) { 1667 delta.navigation = change.navigation; 1668 } 1669 1670 if (base.navigationHidden != change.navigationHidden) { 1671 delta.navigationHidden = change.navigationHidden; 1672 } 1673 1674 if (base.orientation != change.orientation) { 1675 delta.orientation = change.orientation; 1676 } 1677 1678 if ((base.screenLayout & SCREENLAYOUT_SIZE_MASK) != 1679 (change.screenLayout & SCREENLAYOUT_SIZE_MASK)) { 1680 delta.screenLayout |= change.screenLayout & SCREENLAYOUT_SIZE_MASK; 1681 } 1682 1683 if ((base.screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK) != 1684 (change.screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK)) { 1685 delta.screenLayout |= change.screenLayout & SCREENLAYOUT_LAYOUTDIR_MASK; 1686 } 1687 1688 if ((base.screenLayout & SCREENLAYOUT_LONG_MASK) != 1689 (change.screenLayout & SCREENLAYOUT_LONG_MASK)) { 1690 delta.screenLayout |= change.screenLayout & SCREENLAYOUT_LONG_MASK; 1691 } 1692 1693 if ((base.screenLayout & SCREENLAYOUT_ROUND_MASK) != 1694 (change.screenLayout & SCREENLAYOUT_ROUND_MASK)) { 1695 delta.screenLayout |= change.screenLayout & SCREENLAYOUT_ROUND_MASK; 1696 } 1697 1698 if ((base.uiMode & UI_MODE_TYPE_MASK) != (change.uiMode & UI_MODE_TYPE_MASK)) { 1699 delta.uiMode |= change.uiMode & UI_MODE_TYPE_MASK; 1700 } 1701 1702 if ((base.uiMode & UI_MODE_NIGHT_MASK) != (change.uiMode & UI_MODE_NIGHT_MASK)) { 1703 delta.uiMode |= change.uiMode & UI_MODE_NIGHT_MASK; 1704 } 1705 1706 if (base.screenWidthDp != change.screenWidthDp) { 1707 delta.screenWidthDp = change.screenWidthDp; 1708 } 1709 1710 if (base.screenHeightDp != change.screenHeightDp) { 1711 delta.screenHeightDp = change.screenHeightDp; 1712 } 1713 1714 if (base.smallestScreenWidthDp != change.smallestScreenWidthDp) { 1715 delta.smallestScreenWidthDp = change.smallestScreenWidthDp; 1716 } 1717 1718 if (base.densityDpi != change.densityDpi) { 1719 delta.densityDpi = change.densityDpi; 1720 } 1721 return delta; 1722 } 1723 1724 private static final String XML_ATTR_FONT_SCALE = "fs"; 1725 private static final String XML_ATTR_MCC = "mcc"; 1726 private static final String XML_ATTR_MNC = "mnc"; 1727 private static final String XML_ATTR_LOCALE = "locale"; 1728 private static final String XML_ATTR_TOUCHSCREEN = "touch"; 1729 private static final String XML_ATTR_KEYBOARD = "key"; 1730 private static final String XML_ATTR_KEYBOARD_HIDDEN = "keyHid"; 1731 private static final String XML_ATTR_HARD_KEYBOARD_HIDDEN = "hardKeyHid"; 1732 private static final String XML_ATTR_NAVIGATION = "nav"; 1733 private static final String XML_ATTR_NAVIGATION_HIDDEN = "navHid"; 1734 private static final String XML_ATTR_ORIENTATION = "ori"; 1735 private static final String XML_ATTR_SCREEN_LAYOUT = "scrLay"; 1736 private static final String XML_ATTR_UI_MODE = "ui"; 1737 private static final String XML_ATTR_SCREEN_WIDTH = "width"; 1738 private static final String XML_ATTR_SCREEN_HEIGHT = "height"; 1739 private static final String XML_ATTR_SMALLEST_WIDTH = "sw"; 1740 private static final String XML_ATTR_DENSITY = "density"; 1741 1742 /** 1743 * Reads the attributes corresponding to Configuration member fields from the Xml parser. 1744 * The parser is expected to be on a tag which has Configuration attributes. 1745 * 1746 * @param parser The Xml parser from which to read attributes. 1747 * @param configOut The Configuration to populate from the Xml attributes. 1748 * {@hide} 1749 */ 1750 public static void readXmlAttrs(XmlPullParser parser, Configuration configOut) 1751 throws XmlPullParserException, IOException { 1752 configOut.fontScale = Float.intBitsToFloat( 1753 XmlUtils.readIntAttribute(parser, XML_ATTR_FONT_SCALE, 0)); 1754 configOut.mcc = XmlUtils.readIntAttribute(parser, XML_ATTR_MCC, 0); 1755 configOut.mnc = XmlUtils.readIntAttribute(parser, XML_ATTR_MNC, 0); 1756 1757 final String localeStr = XmlUtils.readStringAttribute(parser, XML_ATTR_LOCALE); 1758 if (localeStr != null) { 1759 configOut.locale = Locale.forLanguageTag(localeStr); 1760 } 1761 1762 configOut.touchscreen = XmlUtils.readIntAttribute(parser, XML_ATTR_TOUCHSCREEN, 1763 TOUCHSCREEN_UNDEFINED); 1764 configOut.keyboard = XmlUtils.readIntAttribute(parser, XML_ATTR_KEYBOARD, 1765 KEYBOARD_UNDEFINED); 1766 configOut.keyboardHidden = XmlUtils.readIntAttribute(parser, XML_ATTR_KEYBOARD_HIDDEN, 1767 KEYBOARDHIDDEN_UNDEFINED); 1768 configOut.hardKeyboardHidden = 1769 XmlUtils.readIntAttribute(parser, XML_ATTR_HARD_KEYBOARD_HIDDEN, 1770 HARDKEYBOARDHIDDEN_UNDEFINED); 1771 configOut.navigation = XmlUtils.readIntAttribute(parser, XML_ATTR_NAVIGATION, 1772 NAVIGATION_UNDEFINED); 1773 configOut.navigationHidden = XmlUtils.readIntAttribute(parser, XML_ATTR_NAVIGATION_HIDDEN, 1774 NAVIGATIONHIDDEN_UNDEFINED); 1775 configOut.orientation = XmlUtils.readIntAttribute(parser, XML_ATTR_ORIENTATION, 1776 ORIENTATION_UNDEFINED); 1777 configOut.screenLayout = XmlUtils.readIntAttribute(parser, XML_ATTR_SCREEN_LAYOUT, 1778 SCREENLAYOUT_UNDEFINED); 1779 configOut.uiMode = XmlUtils.readIntAttribute(parser, XML_ATTR_UI_MODE, 0); 1780 configOut.screenWidthDp = XmlUtils.readIntAttribute(parser, XML_ATTR_SCREEN_WIDTH, 1781 SCREEN_WIDTH_DP_UNDEFINED); 1782 configOut.screenHeightDp = XmlUtils.readIntAttribute(parser, XML_ATTR_SCREEN_HEIGHT, 1783 SCREEN_HEIGHT_DP_UNDEFINED); 1784 configOut.smallestScreenWidthDp = 1785 XmlUtils.readIntAttribute(parser, XML_ATTR_SMALLEST_WIDTH, 1786 SMALLEST_SCREEN_WIDTH_DP_UNDEFINED); 1787 configOut.densityDpi = XmlUtils.readIntAttribute(parser, XML_ATTR_DENSITY, 1788 DENSITY_DPI_UNDEFINED); 1789 } 1790 1791 1792 /** 1793 * Writes the Configuration's member fields as attributes into the XmlSerializer. 1794 * The serializer is expected to have already started a tag so that attributes can be 1795 * immediately written. 1796 * 1797 * @param xml The serializer to which to write the attributes. 1798 * @param config The Configuration whose member fields to write. 1799 * {@hide} 1800 */ 1801 public static void writeXmlAttrs(XmlSerializer xml, Configuration config) throws IOException { 1802 XmlUtils.writeIntAttribute(xml, XML_ATTR_FONT_SCALE, 1803 Float.floatToIntBits(config.fontScale)); 1804 if (config.mcc != 0) { 1805 XmlUtils.writeIntAttribute(xml, XML_ATTR_MCC, config.mcc); 1806 } 1807 if (config.mnc != 0) { 1808 XmlUtils.writeIntAttribute(xml, XML_ATTR_MNC, config.mnc); 1809 } 1810 if (config.locale != null) { 1811 XmlUtils.writeStringAttribute(xml, XML_ATTR_LOCALE, config.locale.toLanguageTag()); 1812 } 1813 if (config.touchscreen != TOUCHSCREEN_UNDEFINED) { 1814 XmlUtils.writeIntAttribute(xml, XML_ATTR_TOUCHSCREEN, config.touchscreen); 1815 } 1816 if (config.keyboard != KEYBOARD_UNDEFINED) { 1817 XmlUtils.writeIntAttribute(xml, XML_ATTR_KEYBOARD, config.keyboard); 1818 } 1819 if (config.keyboardHidden != KEYBOARDHIDDEN_UNDEFINED) { 1820 XmlUtils.writeIntAttribute(xml, XML_ATTR_KEYBOARD_HIDDEN, config.keyboardHidden); 1821 } 1822 if (config.hardKeyboardHidden != HARDKEYBOARDHIDDEN_UNDEFINED) { 1823 XmlUtils.writeIntAttribute(xml, XML_ATTR_HARD_KEYBOARD_HIDDEN, 1824 config.hardKeyboardHidden); 1825 } 1826 if (config.navigation != NAVIGATION_UNDEFINED) { 1827 XmlUtils.writeIntAttribute(xml, XML_ATTR_NAVIGATION, config.navigation); 1828 } 1829 if (config.navigationHidden != NAVIGATIONHIDDEN_UNDEFINED) { 1830 XmlUtils.writeIntAttribute(xml, XML_ATTR_NAVIGATION_HIDDEN, config.navigationHidden); 1831 } 1832 if (config.orientation != ORIENTATION_UNDEFINED) { 1833 XmlUtils.writeIntAttribute(xml, XML_ATTR_ORIENTATION, config.orientation); 1834 } 1835 if (config.screenLayout != SCREENLAYOUT_UNDEFINED) { 1836 XmlUtils.writeIntAttribute(xml, XML_ATTR_SCREEN_LAYOUT, config.screenLayout); 1837 } 1838 if (config.uiMode != 0) { 1839 XmlUtils.writeIntAttribute(xml, XML_ATTR_UI_MODE, config.uiMode); 1840 } 1841 if (config.screenWidthDp != SCREEN_WIDTH_DP_UNDEFINED) { 1842 XmlUtils.writeIntAttribute(xml, XML_ATTR_SCREEN_WIDTH, config.screenWidthDp); 1843 } 1844 if (config.screenHeightDp != SCREEN_HEIGHT_DP_UNDEFINED) { 1845 XmlUtils.writeIntAttribute(xml, XML_ATTR_SCREEN_HEIGHT, config.screenHeightDp); 1846 } 1847 if (config.smallestScreenWidthDp != SMALLEST_SCREEN_WIDTH_DP_UNDEFINED) { 1848 XmlUtils.writeIntAttribute(xml, XML_ATTR_SMALLEST_WIDTH, config.smallestScreenWidthDp); 1849 } 1850 if (config.densityDpi != DENSITY_DPI_UNDEFINED) { 1851 XmlUtils.writeIntAttribute(xml, XML_ATTR_DENSITY, config.densityDpi); 1852 } 1853 } 1854 } 1855
