Configuration.java revision 69717ccd13bb5568b912701ab39d603cfa7091cc
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 17package android.content.res; 18 19import android.content.pm.ActivityInfo; 20import android.os.Parcel; 21import android.os.Parcelable; 22 23import java.util.Locale; 24 25/** 26 * This class describes all device configuration information that can 27 * impact the resources the application retrieves. This includes both 28 * user-specified configuration options (locale and scaling) as well 29 * as dynamic device configuration (various types of input devices). 30 */ 31public final class Configuration implements Parcelable, Comparable<Configuration> { 32 /** 33 * Current user preference for the scaling factor for fonts, relative 34 * to the base density scaling. 35 */ 36 public float fontScale; 37 38 /** 39 * IMSI MCC (Mobile Country Code). 0 if undefined. 40 */ 41 public int mcc; 42 43 /** 44 * IMSI MNC (Mobile Network Code). 0 if undefined. 45 */ 46 public int mnc; 47 48 /** 49 * Current user preference for the locale. 50 */ 51 public Locale locale; 52 53 /** 54 * Locale should persist on setting. This is hidden because it is really 55 * questionable whether this is the right way to expose the functionality. 56 * @hide 57 */ 58 public boolean userSetLocale; 59 60 public static final int SCREENLAYOUT_SIZE_MASK = 0x0f; 61 public static final int SCREENLAYOUT_SIZE_UNDEFINED = 0x00; 62 public static final int SCREENLAYOUT_SIZE_SMALL = 0x01; 63 public static final int SCREENLAYOUT_SIZE_NORMAL = 0x02; 64 public static final int SCREENLAYOUT_SIZE_LARGE = 0x03; 65 /** @hide */ 66 public static final int SCREENLAYOUT_SIZE_XLARGE = 0x04; 67 68 public static final int SCREENLAYOUT_LONG_MASK = 0x30; 69 public static final int SCREENLAYOUT_LONG_UNDEFINED = 0x00; 70 public static final int SCREENLAYOUT_LONG_NO = 0x10; 71 public static final int SCREENLAYOUT_LONG_YES = 0x20; 72 73 /** 74 * Special flag we generate to indicate that the screen layout requires 75 * us to use a compatibility mode for apps that are not modern layout 76 * aware. 77 * @hide 78 */ 79 public static final int SCREENLAYOUT_COMPAT_NEEDED = 0x10000000; 80 81 /** 82 * Bit mask of overall layout of the screen. Currently there are two 83 * fields: 84 * <p>The {@link #SCREENLAYOUT_SIZE_MASK} bits define the overall size 85 * of the screen. They may be one of 86 * {@link #SCREENLAYOUT_SIZE_SMALL}, {@link #SCREENLAYOUT_SIZE_NORMAL}, 87 * {@link #SCREENLAYOUT_SIZE_LARGE}. 88 * 89 * <p>The {@link #SCREENLAYOUT_LONG_MASK} defines whether the screen 90 * is wider/taller than normal. They may be one of 91 * {@link #SCREENLAYOUT_LONG_NO} or {@link #SCREENLAYOUT_LONG_YES}. 92 */ 93 public int screenLayout; 94 95 public static final int TOUCHSCREEN_UNDEFINED = 0; 96 public static final int TOUCHSCREEN_NOTOUCH = 1; 97 public static final int TOUCHSCREEN_STYLUS = 2; 98 public static final int TOUCHSCREEN_FINGER = 3; 99 100 /** 101 * The kind of touch screen attached to the device. 102 * One of: {@link #TOUCHSCREEN_NOTOUCH}, {@link #TOUCHSCREEN_STYLUS}, 103 * {@link #TOUCHSCREEN_FINGER}. 104 */ 105 public int touchscreen; 106 107 public static final int KEYBOARD_UNDEFINED = 0; 108 public static final int KEYBOARD_NOKEYS = 1; 109 public static final int KEYBOARD_QWERTY = 2; 110 public static final int KEYBOARD_12KEY = 3; 111 112 /** 113 * The kind of keyboard attached to the device. 114 * One of: {@link #KEYBOARD_NOKEYS}, {@link #KEYBOARD_QWERTY}, 115 * {@link #KEYBOARD_12KEY}. 116 */ 117 public int keyboard; 118 119 public static final int KEYBOARDHIDDEN_UNDEFINED = 0; 120 public static final int KEYBOARDHIDDEN_NO = 1; 121 public static final int KEYBOARDHIDDEN_YES = 2; 122 /** Constant matching actual resource implementation. {@hide} */ 123 public static final int KEYBOARDHIDDEN_SOFT = 3; 124 125 /** 126 * A flag indicating whether any keyboard is available. Unlike 127 * {@link #hardKeyboardHidden}, this also takes into account a soft 128 * keyboard, so if the hard keyboard is hidden but there is soft 129 * keyboard available, it will be set to NO. Value is one of: 130 * {@link #KEYBOARDHIDDEN_NO}, {@link #KEYBOARDHIDDEN_YES}. 131 */ 132 public int keyboardHidden; 133 134 public static final int HARDKEYBOARDHIDDEN_UNDEFINED = 0; 135 public static final int HARDKEYBOARDHIDDEN_NO = 1; 136 public static final int HARDKEYBOARDHIDDEN_YES = 2; 137 138 /** 139 * A flag indicating whether the hard keyboard has been hidden. This will 140 * be set on a device with a mechanism to hide the keyboard from the 141 * user, when that mechanism is closed. One of: 142 * {@link #HARDKEYBOARDHIDDEN_NO}, {@link #HARDKEYBOARDHIDDEN_YES}. 143 */ 144 public int hardKeyboardHidden; 145 146 public static final int NAVIGATION_UNDEFINED = 0; 147 public static final int NAVIGATION_NONAV = 1; 148 public static final int NAVIGATION_DPAD = 2; 149 public static final int NAVIGATION_TRACKBALL = 3; 150 public static final int NAVIGATION_WHEEL = 4; 151 152 /** 153 * The kind of navigation method available on the device. 154 * One of: {@link #NAVIGATION_NONAV}, {@link #NAVIGATION_DPAD}, 155 * {@link #NAVIGATION_TRACKBALL}, {@link #NAVIGATION_WHEEL}. 156 */ 157 public int navigation; 158 159 public static final int NAVIGATIONHIDDEN_UNDEFINED = 0; 160 public static final int NAVIGATIONHIDDEN_NO = 1; 161 public static final int NAVIGATIONHIDDEN_YES = 2; 162 163 /** 164 * A flag indicating whether any 5-way or DPAD navigation available. 165 * This will be set on a device with a mechanism to hide the navigation 166 * controls from the user, when that mechanism is closed. One of: 167 * {@link #NAVIGATIONHIDDEN_NO}, {@link #NAVIGATIONHIDDEN_YES}. 168 */ 169 public int navigationHidden; 170 171 public static final int ORIENTATION_UNDEFINED = 0; 172 public static final int ORIENTATION_PORTRAIT = 1; 173 public static final int ORIENTATION_LANDSCAPE = 2; 174 public static final int ORIENTATION_SQUARE = 3; 175 176 /** 177 * Overall orientation of the screen. May be one of 178 * {@link #ORIENTATION_LANDSCAPE}, {@link #ORIENTATION_PORTRAIT}, 179 * or {@link #ORIENTATION_SQUARE}. 180 */ 181 public int orientation; 182 183 public static final int UI_MODE_TYPE_MASK = 0x0f; 184 public static final int UI_MODE_TYPE_UNDEFINED = 0x00; 185 public static final int UI_MODE_TYPE_NORMAL = 0x01; 186 public static final int UI_MODE_TYPE_DESK = 0x02; 187 public static final int UI_MODE_TYPE_CAR = 0x03; 188 189 public static final int UI_MODE_NIGHT_MASK = 0x30; 190 public static final int UI_MODE_NIGHT_UNDEFINED = 0x00; 191 public static final int UI_MODE_NIGHT_NO = 0x10; 192 public static final int UI_MODE_NIGHT_YES = 0x20; 193 194 /** 195 * Bit mask of the ui mode. Currently there are two fields: 196 * <p>The {@link #UI_MODE_TYPE_MASK} bits define the overall ui mode of the 197 * device. They may be one of {@link #UI_MODE_TYPE_UNDEFINED}, 198 * {@link #UI_MODE_TYPE_NORMAL}, {@link #UI_MODE_TYPE_DESK}, 199 * or {@link #UI_MODE_TYPE_CAR}. 200 * 201 * <p>The {@link #UI_MODE_NIGHT_MASK} defines whether the screen 202 * is in a special mode. They may be one of {@link #UI_MODE_NIGHT_UNDEFINED}, 203 * {@link #UI_MODE_NIGHT_NO} or {@link #UI_MODE_NIGHT_YES}. 204 */ 205 public int uiMode; 206 207 /** 208 * @hide Internal book-keeping. 209 */ 210 public int seq; 211 212 /** 213 * Construct an invalid Configuration. You must call {@link #setToDefaults} 214 * for this object to be valid. {@more} 215 */ 216 public Configuration() { 217 setToDefaults(); 218 } 219 220 /** 221 * Makes a deep copy suitable for modification. 222 */ 223 public Configuration(Configuration o) { 224 setTo(o); 225 } 226 227 public void setTo(Configuration o) { 228 fontScale = o.fontScale; 229 mcc = o.mcc; 230 mnc = o.mnc; 231 if (o.locale != null) { 232 locale = (Locale) o.locale.clone(); 233 } 234 userSetLocale = o.userSetLocale; 235 touchscreen = o.touchscreen; 236 keyboard = o.keyboard; 237 keyboardHidden = o.keyboardHidden; 238 hardKeyboardHidden = o.hardKeyboardHidden; 239 navigation = o.navigation; 240 navigationHidden = o.navigationHidden; 241 orientation = o.orientation; 242 screenLayout = o.screenLayout; 243 uiMode = o.uiMode; 244 seq = o.seq; 245 } 246 247 public String toString() { 248 StringBuilder sb = new StringBuilder(128); 249 sb.append("{ scale="); 250 sb.append(fontScale); 251 sb.append(" imsi="); 252 sb.append(mcc); 253 sb.append("/"); 254 sb.append(mnc); 255 sb.append(" loc="); 256 sb.append(locale); 257 sb.append(" touch="); 258 sb.append(touchscreen); 259 sb.append(" keys="); 260 sb.append(keyboard); 261 sb.append("/"); 262 sb.append(keyboardHidden); 263 sb.append("/"); 264 sb.append(hardKeyboardHidden); 265 sb.append(" nav="); 266 sb.append(navigation); 267 sb.append("/"); 268 sb.append(navigationHidden); 269 sb.append(" orien="); 270 sb.append(orientation); 271 sb.append(" layout="); 272 sb.append(screenLayout); 273 sb.append(" uiMode="); 274 sb.append(uiMode); 275 if (seq != 0) { 276 sb.append(" seq="); 277 sb.append(seq); 278 } 279 sb.append('}'); 280 return sb.toString(); 281 } 282 283 /** 284 * Set this object to the system defaults. 285 */ 286 public void setToDefaults() { 287 fontScale = 1; 288 mcc = mnc = 0; 289 locale = null; 290 userSetLocale = false; 291 touchscreen = TOUCHSCREEN_UNDEFINED; 292 keyboard = KEYBOARD_UNDEFINED; 293 keyboardHidden = KEYBOARDHIDDEN_UNDEFINED; 294 hardKeyboardHidden = HARDKEYBOARDHIDDEN_UNDEFINED; 295 navigation = NAVIGATION_UNDEFINED; 296 navigationHidden = NAVIGATIONHIDDEN_UNDEFINED; 297 orientation = ORIENTATION_UNDEFINED; 298 screenLayout = SCREENLAYOUT_SIZE_UNDEFINED; 299 uiMode = UI_MODE_TYPE_UNDEFINED; 300 seq = 0; 301 } 302 303 /** {@hide} */ 304 @Deprecated public void makeDefault() { 305 setToDefaults(); 306 } 307 308 /** 309 * Copy the fields from delta into this Configuration object, keeping 310 * track of which ones have changed. Any undefined fields in 311 * <var>delta</var> are ignored and not copied in to the current 312 * Configuration. 313 * @return Returns a bit mask of the changed fields, as per 314 * {@link #diff}. 315 */ 316 public int updateFrom(Configuration delta) { 317 int changed = 0; 318 if (delta.fontScale > 0 && fontScale != delta.fontScale) { 319 changed |= ActivityInfo.CONFIG_FONT_SCALE; 320 fontScale = delta.fontScale; 321 } 322 if (delta.mcc != 0 && mcc != delta.mcc) { 323 changed |= ActivityInfo.CONFIG_MCC; 324 mcc = delta.mcc; 325 } 326 if (delta.mnc != 0 && mnc != delta.mnc) { 327 changed |= ActivityInfo.CONFIG_MNC; 328 mnc = delta.mnc; 329 } 330 if (delta.locale != null 331 && (locale == null || !locale.equals(delta.locale))) { 332 changed |= ActivityInfo.CONFIG_LOCALE; 333 locale = delta.locale != null 334 ? (Locale) delta.locale.clone() : null; 335 } 336 if (delta.userSetLocale && (!userSetLocale || ((changed & ActivityInfo.CONFIG_LOCALE) != 0))) 337 { 338 userSetLocale = true; 339 changed |= ActivityInfo.CONFIG_LOCALE; 340 } 341 if (delta.touchscreen != TOUCHSCREEN_UNDEFINED 342 && touchscreen != delta.touchscreen) { 343 changed |= ActivityInfo.CONFIG_TOUCHSCREEN; 344 touchscreen = delta.touchscreen; 345 } 346 if (delta.keyboard != KEYBOARD_UNDEFINED 347 && keyboard != delta.keyboard) { 348 changed |= ActivityInfo.CONFIG_KEYBOARD; 349 keyboard = delta.keyboard; 350 } 351 if (delta.keyboardHidden != KEYBOARDHIDDEN_UNDEFINED 352 && keyboardHidden != delta.keyboardHidden) { 353 changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 354 keyboardHidden = delta.keyboardHidden; 355 } 356 if (delta.hardKeyboardHidden != HARDKEYBOARDHIDDEN_UNDEFINED 357 && hardKeyboardHidden != delta.hardKeyboardHidden) { 358 changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 359 hardKeyboardHidden = delta.hardKeyboardHidden; 360 } 361 if (delta.navigation != NAVIGATION_UNDEFINED 362 && navigation != delta.navigation) { 363 changed |= ActivityInfo.CONFIG_NAVIGATION; 364 navigation = delta.navigation; 365 } 366 if (delta.navigationHidden != NAVIGATIONHIDDEN_UNDEFINED 367 && navigationHidden != delta.navigationHidden) { 368 changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 369 navigationHidden = delta.navigationHidden; 370 } 371 if (delta.orientation != ORIENTATION_UNDEFINED 372 && orientation != delta.orientation) { 373 changed |= ActivityInfo.CONFIG_ORIENTATION; 374 orientation = delta.orientation; 375 } 376 if (delta.screenLayout != SCREENLAYOUT_SIZE_UNDEFINED 377 && screenLayout != delta.screenLayout) { 378 changed |= ActivityInfo.CONFIG_SCREEN_LAYOUT; 379 screenLayout = delta.screenLayout; 380 } 381 if (delta.uiMode != (UI_MODE_TYPE_UNDEFINED|UI_MODE_NIGHT_UNDEFINED) 382 && uiMode != delta.uiMode) { 383 changed |= ActivityInfo.CONFIG_UI_MODE; 384 if ((delta.uiMode&UI_MODE_TYPE_MASK) != UI_MODE_TYPE_UNDEFINED) { 385 uiMode = (uiMode&~UI_MODE_TYPE_MASK) 386 | (delta.uiMode&UI_MODE_TYPE_MASK); 387 } 388 if ((delta.uiMode&UI_MODE_NIGHT_MASK) != UI_MODE_NIGHT_UNDEFINED) { 389 uiMode = (uiMode&~UI_MODE_NIGHT_MASK) 390 | (delta.uiMode&UI_MODE_NIGHT_MASK); 391 } 392 } 393 394 if (delta.seq != 0) { 395 seq = delta.seq; 396 } 397 398 return changed; 399 } 400 401 /** 402 * Return a bit mask of the differences between this Configuration 403 * object and the given one. Does not change the values of either. Any 404 * undefined fields in <var>delta</var> are ignored. 405 * @return Returns a bit mask indicating which configuration 406 * values has changed, containing any combination of 407 * {@link android.content.pm.ActivityInfo#CONFIG_FONT_SCALE 408 * PackageManager.ActivityInfo.CONFIG_FONT_SCALE}, 409 * {@link android.content.pm.ActivityInfo#CONFIG_MCC 410 * PackageManager.ActivityInfo.CONFIG_MCC}, 411 * {@link android.content.pm.ActivityInfo#CONFIG_MNC 412 * PackageManager.ActivityInfo.CONFIG_MNC}, 413 * {@link android.content.pm.ActivityInfo#CONFIG_LOCALE 414 * PackageManager.ActivityInfo.CONFIG_LOCALE}, 415 * {@link android.content.pm.ActivityInfo#CONFIG_TOUCHSCREEN 416 * PackageManager.ActivityInfo.CONFIG_TOUCHSCREEN}, 417 * {@link android.content.pm.ActivityInfo#CONFIG_KEYBOARD 418 * PackageManager.ActivityInfo.CONFIG_KEYBOARD}, 419 * {@link android.content.pm.ActivityInfo#CONFIG_NAVIGATION 420 * PackageManager.ActivityInfo.CONFIG_NAVIGATION}, 421 * {@link android.content.pm.ActivityInfo#CONFIG_ORIENTATION 422 * PackageManager.ActivityInfo.CONFIG_ORIENTATION}, or 423 * {@link android.content.pm.ActivityInfo#CONFIG_SCREEN_LAYOUT 424 * PackageManager.ActivityInfo.CONFIG_SCREEN_LAYOUT}. 425 */ 426 public int diff(Configuration delta) { 427 int changed = 0; 428 if (delta.fontScale > 0 && fontScale != delta.fontScale) { 429 changed |= ActivityInfo.CONFIG_FONT_SCALE; 430 } 431 if (delta.mcc != 0 && mcc != delta.mcc) { 432 changed |= ActivityInfo.CONFIG_MCC; 433 } 434 if (delta.mnc != 0 && mnc != delta.mnc) { 435 changed |= ActivityInfo.CONFIG_MNC; 436 } 437 if (delta.locale != null 438 && (locale == null || !locale.equals(delta.locale))) { 439 changed |= ActivityInfo.CONFIG_LOCALE; 440 } 441 if (delta.touchscreen != TOUCHSCREEN_UNDEFINED 442 && touchscreen != delta.touchscreen) { 443 changed |= ActivityInfo.CONFIG_TOUCHSCREEN; 444 } 445 if (delta.keyboard != KEYBOARD_UNDEFINED 446 && keyboard != delta.keyboard) { 447 changed |= ActivityInfo.CONFIG_KEYBOARD; 448 } 449 if (delta.keyboardHidden != KEYBOARDHIDDEN_UNDEFINED 450 && keyboardHidden != delta.keyboardHidden) { 451 changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 452 } 453 if (delta.hardKeyboardHidden != HARDKEYBOARDHIDDEN_UNDEFINED 454 && hardKeyboardHidden != delta.hardKeyboardHidden) { 455 changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 456 } 457 if (delta.navigation != NAVIGATION_UNDEFINED 458 && navigation != delta.navigation) { 459 changed |= ActivityInfo.CONFIG_NAVIGATION; 460 } 461 if (delta.navigationHidden != NAVIGATIONHIDDEN_UNDEFINED 462 && navigationHidden != delta.navigationHidden) { 463 changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 464 } 465 if (delta.orientation != ORIENTATION_UNDEFINED 466 && orientation != delta.orientation) { 467 changed |= ActivityInfo.CONFIG_ORIENTATION; 468 } 469 if (delta.screenLayout != SCREENLAYOUT_SIZE_UNDEFINED 470 && screenLayout != delta.screenLayout) { 471 changed |= ActivityInfo.CONFIG_SCREEN_LAYOUT; 472 } 473 if (delta.uiMode != (UI_MODE_TYPE_UNDEFINED|UI_MODE_NIGHT_UNDEFINED) 474 && uiMode != delta.uiMode) { 475 changed |= ActivityInfo.CONFIG_UI_MODE; 476 } 477 478 return changed; 479 } 480 481 /** 482 * Determine if a new resource needs to be loaded from the bit set of 483 * configuration changes returned by {@link #updateFrom(Configuration)}. 484 * 485 * @param configChanges The mask of changes configurations as returned by 486 * {@link #updateFrom(Configuration)}. 487 * @param interestingChanges The configuration changes that the resource 488 * can handled, as given in {@link android.util.TypedValue#changingConfigurations}. 489 * 490 * @return Return true if the resource needs to be loaded, else false. 491 */ 492 public static boolean needNewResources(int configChanges, int interestingChanges) { 493 return (configChanges & (interestingChanges|ActivityInfo.CONFIG_FONT_SCALE)) != 0; 494 } 495 496 /** 497 * @hide Return true if the sequence of 'other' is better than this. Assumes 498 * that 'this' is your current sequence and 'other' is a new one you have 499 * received some how and want to compare with what you have. 500 */ 501 public boolean isOtherSeqNewer(Configuration other) { 502 if (other == null) { 503 // Sanity check. 504 return false; 505 } 506 if (other.seq == 0) { 507 // If the other sequence is not specified, then we must assume 508 // it is newer since we don't know any better. 509 return true; 510 } 511 if (seq == 0) { 512 // If this sequence is not specified, then we also consider the 513 // other is better. Yes we have a preference for other. Sue us. 514 return true; 515 } 516 int diff = other.seq - seq; 517 if (diff > 0x10000) { 518 // If there has been a sufficiently large jump, assume the 519 // sequence has wrapped around. 520 return false; 521 } 522 return diff > 0; 523 } 524 525 /** 526 * Parcelable methods 527 */ 528 public int describeContents() { 529 return 0; 530 } 531 532 public void writeToParcel(Parcel dest, int flags) { 533 dest.writeFloat(fontScale); 534 dest.writeInt(mcc); 535 dest.writeInt(mnc); 536 if (locale == null) { 537 dest.writeInt(0); 538 } else { 539 dest.writeInt(1); 540 dest.writeString(locale.getLanguage()); 541 dest.writeString(locale.getCountry()); 542 dest.writeString(locale.getVariant()); 543 } 544 if(userSetLocale) { 545 dest.writeInt(1); 546 } else { 547 dest.writeInt(0); 548 } 549 dest.writeInt(touchscreen); 550 dest.writeInt(keyboard); 551 dest.writeInt(keyboardHidden); 552 dest.writeInt(hardKeyboardHidden); 553 dest.writeInt(navigation); 554 dest.writeInt(navigationHidden); 555 dest.writeInt(orientation); 556 dest.writeInt(screenLayout); 557 dest.writeInt(uiMode); 558 dest.writeInt(seq); 559 } 560 561 public void readFromParcel(Parcel source) { 562 fontScale = source.readFloat(); 563 mcc = source.readInt(); 564 mnc = source.readInt(); 565 if (source.readInt() != 0) { 566 locale = new Locale(source.readString(), source.readString(), 567 source.readString()); 568 } 569 userSetLocale = (source.readInt()==1); 570 touchscreen = source.readInt(); 571 keyboard = source.readInt(); 572 keyboardHidden = source.readInt(); 573 hardKeyboardHidden = source.readInt(); 574 navigation = source.readInt(); 575 navigationHidden = source.readInt(); 576 orientation = source.readInt(); 577 screenLayout = source.readInt(); 578 uiMode = source.readInt(); 579 seq = source.readInt(); 580 } 581 582 public static final Parcelable.Creator<Configuration> CREATOR 583 = new Parcelable.Creator<Configuration>() { 584 public Configuration createFromParcel(Parcel source) { 585 return new Configuration(source); 586 } 587 588 public Configuration[] newArray(int size) { 589 return new Configuration[size]; 590 } 591 }; 592 593 /** 594 * Construct this Configuration object, reading from the Parcel. 595 */ 596 private Configuration(Parcel source) { 597 readFromParcel(source); 598 } 599 600 public int compareTo(Configuration that) { 601 int n; 602 float a = this.fontScale; 603 float b = that.fontScale; 604 if (a < b) return -1; 605 if (a > b) return 1; 606 n = this.mcc - that.mcc; 607 if (n != 0) return n; 608 n = this.mnc - that.mnc; 609 if (n != 0) return n; 610 if (this.locale == null) { 611 if (that.locale != null) return 1; 612 } else if (that.locale == null) { 613 return -1; 614 } else { 615 n = this.locale.getLanguage().compareTo(that.locale.getLanguage()); 616 if (n != 0) return n; 617 n = this.locale.getCountry().compareTo(that.locale.getCountry()); 618 if (n != 0) return n; 619 n = this.locale.getVariant().compareTo(that.locale.getVariant()); 620 if (n != 0) return n; 621 } 622 n = this.touchscreen - that.touchscreen; 623 if (n != 0) return n; 624 n = this.keyboard - that.keyboard; 625 if (n != 0) return n; 626 n = this.keyboardHidden - that.keyboardHidden; 627 if (n != 0) return n; 628 n = this.hardKeyboardHidden - that.hardKeyboardHidden; 629 if (n != 0) return n; 630 n = this.navigation - that.navigation; 631 if (n != 0) return n; 632 n = this.navigationHidden - that.navigationHidden; 633 if (n != 0) return n; 634 n = this.orientation - that.orientation; 635 if (n != 0) return n; 636 n = this.screenLayout - that.screenLayout; 637 if (n != 0) return n; 638 n = this.uiMode - that.uiMode; 639 //if (n != 0) return n; 640 return n; 641 } 642 643 public boolean equals(Configuration that) { 644 if (that == null) return false; 645 if (that == this) return true; 646 return this.compareTo(that) == 0; 647 } 648 649 public boolean equals(Object that) { 650 try { 651 return equals((Configuration)that); 652 } catch (ClassCastException e) { 653 } 654 return false; 655 } 656 657 public int hashCode() { 658 return ((int)this.fontScale) + this.mcc + this.mnc 659 + (this.locale != null ? this.locale.hashCode() : 0) 660 + this.touchscreen 661 + this.keyboard + this.keyboardHidden + this.hardKeyboardHidden 662 + this.navigation + this.navigationHidden 663 + this.orientation + this.screenLayout + this.uiMode; 664 } 665} 666