WindowManager.java revision 6018aeec27914f138f36b00d8f00136a87562fd3
1/* 2 * Copyright (C) 2006 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.view; 18 19import android.app.Presentation; 20import android.content.Context; 21import android.content.pm.ActivityInfo; 22import android.graphics.PixelFormat; 23import android.os.IBinder; 24import android.os.Parcel; 25import android.os.Parcelable; 26import android.text.TextUtils; 27import android.util.Log; 28 29 30/** 31 * The interface that apps use to talk to the window manager. 32 * <p> 33 * Use <code>Context.getSystemService(Context.WINDOW_SERVICE)</code> to get one of these. 34 * </p><p> 35 * Each window manager instance is bound to a particular {@link Display}. 36 * To obtain a {@link WindowManager} for a different display, use 37 * {@link Context#createDisplayContext} to obtain a {@link Context} for that 38 * display, then use <code>Context.getSystemService(Context.WINDOW_SERVICE)</code> 39 * to get the WindowManager. 40 * </p><p> 41 * The simplest way to show a window on another display is to create a 42 * {@link Presentation}. The presentation will automatically obtain a 43 * {@link WindowManager} and {@link Context} for that display. 44 * </p> 45 * 46 * @see android.content.Context#getSystemService 47 * @see android.content.Context#WINDOW_SERVICE 48 */ 49public interface WindowManager extends ViewManager { 50 /** 51 * Exception that is thrown when trying to add view whose 52 * {@link WindowManager.LayoutParams} {@link WindowManager.LayoutParams#token} 53 * is invalid. 54 */ 55 public static class BadTokenException extends RuntimeException { 56 public BadTokenException() { 57 } 58 59 public BadTokenException(String name) { 60 super(name); 61 } 62 } 63 64 /** 65 * Exception that is thrown when calling {@link #addView} to a secondary display that cannot 66 * be found. See {@link android.app.Presentation} for more information on secondary displays. 67 */ 68 public static class InvalidDisplayException extends RuntimeException { 69 public InvalidDisplayException() { 70 } 71 72 public InvalidDisplayException(String name) { 73 super(name); 74 } 75 } 76 77 /** 78 * Returns the {@link Display} upon which this {@link WindowManager} instance 79 * will create new windows. 80 * <p> 81 * Despite the name of this method, the display that is returned is not 82 * necessarily the primary display of the system (see {@link Display#DEFAULT_DISPLAY}). 83 * The returned display could instead be a secondary display that this 84 * window manager instance is managing. Think of it as the display that 85 * this {@link WindowManager} instance uses by default. 86 * </p><p> 87 * To create windows on a different display, you need to obtain a 88 * {@link WindowManager} for that {@link Display}. (See the {@link WindowManager} 89 * class documentation for more information.) 90 * </p> 91 * 92 * @return The display that this window manager is managing. 93 */ 94 public Display getDefaultDisplay(); 95 96 /** 97 * Special variation of {@link #removeView} that immediately invokes 98 * the given view hierarchy's {@link View#onDetachedFromWindow() 99 * View.onDetachedFromWindow()} methods before returning. This is not 100 * for normal applications; using it correctly requires great care. 101 * 102 * @param view The view to be removed. 103 */ 104 public void removeViewImmediate(View view); 105 106 public static class LayoutParams extends ViewGroup.LayoutParams 107 implements Parcelable { 108 /** 109 * X position for this window. With the default gravity it is ignored. 110 * When using {@link Gravity#LEFT} or {@link Gravity#START} or {@link Gravity#RIGHT} or 111 * {@link Gravity#END} it provides an offset from the given edge. 112 */ 113 @ViewDebug.ExportedProperty 114 public int x; 115 116 /** 117 * Y position for this window. With the default gravity it is ignored. 118 * When using {@link Gravity#TOP} or {@link Gravity#BOTTOM} it provides 119 * an offset from the given edge. 120 */ 121 @ViewDebug.ExportedProperty 122 public int y; 123 124 /** 125 * Indicates how much of the extra space will be allocated horizontally 126 * to the view associated with these LayoutParams. Specify 0 if the view 127 * should not be stretched. Otherwise the extra pixels will be pro-rated 128 * among all views whose weight is greater than 0. 129 */ 130 @ViewDebug.ExportedProperty 131 public float horizontalWeight; 132 133 /** 134 * Indicates how much of the extra space will be allocated vertically 135 * to the view associated with these LayoutParams. Specify 0 if the view 136 * should not be stretched. Otherwise the extra pixels will be pro-rated 137 * among all views whose weight is greater than 0. 138 */ 139 @ViewDebug.ExportedProperty 140 public float verticalWeight; 141 142 /** 143 * The general type of window. There are three main classes of 144 * window types: 145 * <ul> 146 * <li> <strong>Application windows</strong> (ranging from 147 * {@link #FIRST_APPLICATION_WINDOW} to 148 * {@link #LAST_APPLICATION_WINDOW}) are normal top-level application 149 * windows. For these types of windows, the {@link #token} must be 150 * set to the token of the activity they are a part of (this will 151 * normally be done for you if {@link #token} is null). 152 * <li> <strong>Sub-windows</strong> (ranging from 153 * {@link #FIRST_SUB_WINDOW} to 154 * {@link #LAST_SUB_WINDOW}) are associated with another top-level 155 * window. For these types of windows, the {@link #token} must be 156 * the token of the window it is attached to. 157 * <li> <strong>System windows</strong> (ranging from 158 * {@link #FIRST_SYSTEM_WINDOW} to 159 * {@link #LAST_SYSTEM_WINDOW}) are special types of windows for 160 * use by the system for specific purposes. They should not normally 161 * be used by applications, and a special permission is required 162 * to use them. 163 * </ul> 164 * 165 * @see #TYPE_BASE_APPLICATION 166 * @see #TYPE_APPLICATION 167 * @see #TYPE_APPLICATION_STARTING 168 * @see #TYPE_APPLICATION_PANEL 169 * @see #TYPE_APPLICATION_MEDIA 170 * @see #TYPE_APPLICATION_SUB_PANEL 171 * @see #TYPE_APPLICATION_ATTACHED_DIALOG 172 * @see #TYPE_STATUS_BAR 173 * @see #TYPE_SEARCH_BAR 174 * @see #TYPE_PHONE 175 * @see #TYPE_SYSTEM_ALERT 176 * @see #TYPE_KEYGUARD 177 * @see #TYPE_TOAST 178 * @see #TYPE_SYSTEM_OVERLAY 179 * @see #TYPE_PRIORITY_PHONE 180 * @see #TYPE_STATUS_BAR_PANEL 181 * @see #TYPE_SYSTEM_DIALOG 182 * @see #TYPE_KEYGUARD_DIALOG 183 * @see #TYPE_SYSTEM_ERROR 184 * @see #TYPE_INPUT_METHOD 185 * @see #TYPE_INPUT_METHOD_DIALOG 186 */ 187 @ViewDebug.ExportedProperty(mapping = { 188 @ViewDebug.IntToString(from = TYPE_BASE_APPLICATION, to = "TYPE_BASE_APPLICATION"), 189 @ViewDebug.IntToString(from = TYPE_APPLICATION, to = "TYPE_APPLICATION"), 190 @ViewDebug.IntToString(from = TYPE_APPLICATION_STARTING, to = "TYPE_APPLICATION_STARTING"), 191 @ViewDebug.IntToString(from = TYPE_APPLICATION_PANEL, to = "TYPE_APPLICATION_PANEL"), 192 @ViewDebug.IntToString(from = TYPE_APPLICATION_MEDIA, to = "TYPE_APPLICATION_MEDIA"), 193 @ViewDebug.IntToString(from = TYPE_APPLICATION_SUB_PANEL, to = "TYPE_APPLICATION_SUB_PANEL"), 194 @ViewDebug.IntToString(from = TYPE_APPLICATION_ATTACHED_DIALOG, to = "TYPE_APPLICATION_ATTACHED_DIALOG"), 195 @ViewDebug.IntToString(from = TYPE_APPLICATION_MEDIA_OVERLAY, to = "TYPE_APPLICATION_MEDIA_OVERLAY"), 196 @ViewDebug.IntToString(from = TYPE_STATUS_BAR, to = "TYPE_STATUS_BAR"), 197 @ViewDebug.IntToString(from = TYPE_SEARCH_BAR, to = "TYPE_SEARCH_BAR"), 198 @ViewDebug.IntToString(from = TYPE_PHONE, to = "TYPE_PHONE"), 199 @ViewDebug.IntToString(from = TYPE_SYSTEM_ALERT, to = "TYPE_SYSTEM_ALERT"), 200 @ViewDebug.IntToString(from = TYPE_KEYGUARD, to = "TYPE_KEYGUARD"), 201 @ViewDebug.IntToString(from = TYPE_TOAST, to = "TYPE_TOAST"), 202 @ViewDebug.IntToString(from = TYPE_SYSTEM_OVERLAY, to = "TYPE_SYSTEM_OVERLAY"), 203 @ViewDebug.IntToString(from = TYPE_PRIORITY_PHONE, to = "TYPE_PRIORITY_PHONE"), 204 @ViewDebug.IntToString(from = TYPE_SYSTEM_DIALOG, to = "TYPE_SYSTEM_DIALOG"), 205 @ViewDebug.IntToString(from = TYPE_KEYGUARD_DIALOG, to = "TYPE_KEYGUARD_DIALOG"), 206 @ViewDebug.IntToString(from = TYPE_SYSTEM_ERROR, to = "TYPE_SYSTEM_ERROR"), 207 @ViewDebug.IntToString(from = TYPE_INPUT_METHOD, to = "TYPE_INPUT_METHOD"), 208 @ViewDebug.IntToString(from = TYPE_INPUT_METHOD_DIALOG, to = "TYPE_INPUT_METHOD_DIALOG"), 209 @ViewDebug.IntToString(from = TYPE_WALLPAPER, to = "TYPE_WALLPAPER"), 210 @ViewDebug.IntToString(from = TYPE_STATUS_BAR_PANEL, to = "TYPE_STATUS_BAR_PANEL"), 211 @ViewDebug.IntToString(from = TYPE_SECURE_SYSTEM_OVERLAY, to = "TYPE_SECURE_SYSTEM_OVERLAY"), 212 @ViewDebug.IntToString(from = TYPE_DRAG, to = "TYPE_DRAG"), 213 @ViewDebug.IntToString(from = TYPE_STATUS_BAR_SUB_PANEL, to = "TYPE_STATUS_BAR_SUB_PANEL"), 214 @ViewDebug.IntToString(from = TYPE_POINTER, to = "TYPE_POINTER"), 215 @ViewDebug.IntToString(from = TYPE_NAVIGATION_BAR, to = "TYPE_NAVIGATION_BAR"), 216 @ViewDebug.IntToString(from = TYPE_VOLUME_OVERLAY, to = "TYPE_VOLUME_OVERLAY"), 217 @ViewDebug.IntToString(from = TYPE_BOOT_PROGRESS, to = "TYPE_BOOT_PROGRESS"), 218 @ViewDebug.IntToString(from = TYPE_HIDDEN_NAV_CONSUMER, to = "TYPE_HIDDEN_NAV_CONSUMER"), 219 @ViewDebug.IntToString(from = TYPE_DREAM, to = "TYPE_DREAM"), 220 @ViewDebug.IntToString(from = TYPE_NAVIGATION_BAR_PANEL, to = "TYPE_NAVIGATION_BAR_PANEL"), 221 @ViewDebug.IntToString(from = TYPE_DISPLAY_OVERLAY, to = "TYPE_DISPLAY_OVERLAY"), 222 @ViewDebug.IntToString(from = TYPE_MAGNIFICATION_OVERLAY, to = "TYPE_MAGNIFICATION_OVERLAY") 223 }) 224 public int type; 225 226 /** 227 * Start of window types that represent normal application windows. 228 */ 229 public static final int FIRST_APPLICATION_WINDOW = 1; 230 231 /** 232 * Window type: an application window that serves as the "base" window 233 * of the overall application; all other application windows will 234 * appear on top of it. 235 * In multiuser systems shows only on the owning user's window. 236 */ 237 public static final int TYPE_BASE_APPLICATION = 1; 238 239 /** 240 * Window type: a normal application window. The {@link #token} must be 241 * an Activity token identifying who the window belongs to. 242 * In multiuser systems shows only on the owning user's window. 243 */ 244 public static final int TYPE_APPLICATION = 2; 245 246 /** 247 * Window type: special application window that is displayed while the 248 * application is starting. Not for use by applications themselves; 249 * this is used by the system to display something until the 250 * application can show its own windows. 251 * In multiuser systems shows on all users' windows. 252 */ 253 public static final int TYPE_APPLICATION_STARTING = 3; 254 255 /** 256 * End of types of application windows. 257 */ 258 public static final int LAST_APPLICATION_WINDOW = 99; 259 260 /** 261 * Start of types of sub-windows. The {@link #token} of these windows 262 * must be set to the window they are attached to. These types of 263 * windows are kept next to their attached window in Z-order, and their 264 * coordinate space is relative to their attached window. 265 */ 266 public static final int FIRST_SUB_WINDOW = 1000; 267 268 /** 269 * Window type: a panel on top of an application window. These windows 270 * appear on top of their attached window. 271 */ 272 public static final int TYPE_APPLICATION_PANEL = FIRST_SUB_WINDOW; 273 274 /** 275 * Window type: window for showing media (e.g. video). These windows 276 * are displayed behind their attached window. 277 */ 278 public static final int TYPE_APPLICATION_MEDIA = FIRST_SUB_WINDOW+1; 279 280 /** 281 * Window type: a sub-panel on top of an application window. These 282 * windows are displayed on top their attached window and any 283 * {@link #TYPE_APPLICATION_PANEL} panels. 284 */ 285 public static final int TYPE_APPLICATION_SUB_PANEL = FIRST_SUB_WINDOW+2; 286 287 /** Window type: like {@link #TYPE_APPLICATION_PANEL}, but layout 288 * of the window happens as that of a top-level window, <em>not</em> 289 * as a child of its container. 290 */ 291 public static final int TYPE_APPLICATION_ATTACHED_DIALOG = FIRST_SUB_WINDOW+3; 292 293 /** 294 * Window type: window for showing overlays on top of media windows. 295 * These windows are displayed between TYPE_APPLICATION_MEDIA and the 296 * application window. They should be translucent to be useful. This 297 * is a big ugly hack so: 298 * @hide 299 */ 300 public static final int TYPE_APPLICATION_MEDIA_OVERLAY = FIRST_SUB_WINDOW+4; 301 302 /** 303 * End of types of sub-windows. 304 */ 305 public static final int LAST_SUB_WINDOW = 1999; 306 307 /** 308 * Start of system-specific window types. These are not normally 309 * created by applications. 310 */ 311 public static final int FIRST_SYSTEM_WINDOW = 2000; 312 313 /** 314 * Window type: the status bar. There can be only one status bar 315 * window; it is placed at the top of the screen, and all other 316 * windows are shifted down so they are below it. 317 * In multiuser systems shows on all users' windows. 318 */ 319 public static final int TYPE_STATUS_BAR = FIRST_SYSTEM_WINDOW; 320 321 /** 322 * Window type: the search bar. There can be only one search bar 323 * window; it is placed at the top of the screen. 324 * In multiuser systems shows on all users' windows. 325 */ 326 public static final int TYPE_SEARCH_BAR = FIRST_SYSTEM_WINDOW+1; 327 328 /** 329 * Window type: phone. These are non-application windows providing 330 * user interaction with the phone (in particular incoming calls). 331 * These windows are normally placed above all applications, but behind 332 * the status bar. 333 * In multiuser systems shows on all users' windows. 334 */ 335 public static final int TYPE_PHONE = FIRST_SYSTEM_WINDOW+2; 336 337 /** 338 * Window type: system window, such as low power alert. These windows 339 * are always on top of application windows. 340 * In multiuser systems shows only on the owning user's window. 341 */ 342 public static final int TYPE_SYSTEM_ALERT = FIRST_SYSTEM_WINDOW+3; 343 344 /** 345 * Window type: keyguard window. 346 * In multiuser systems shows on all users' windows. 347 */ 348 public static final int TYPE_KEYGUARD = FIRST_SYSTEM_WINDOW+4; 349 350 /** 351 * Window type: transient notifications. 352 * In multiuser systems shows only on the owning user's window. 353 */ 354 public static final int TYPE_TOAST = FIRST_SYSTEM_WINDOW+5; 355 356 /** 357 * Window type: system overlay windows, which need to be displayed 358 * on top of everything else. These windows must not take input 359 * focus, or they will interfere with the keyguard. 360 * In multiuser systems shows only on the owning user's window. 361 */ 362 public static final int TYPE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+6; 363 364 /** 365 * Window type: priority phone UI, which needs to be displayed even if 366 * the keyguard is active. These windows must not take input 367 * focus, or they will interfere with the keyguard. 368 * In multiuser systems shows on all users' windows. 369 */ 370 public static final int TYPE_PRIORITY_PHONE = FIRST_SYSTEM_WINDOW+7; 371 372 /** 373 * Window type: panel that slides out from the status bar 374 * In multiuser systems shows on all users' windows. 375 */ 376 public static final int TYPE_SYSTEM_DIALOG = FIRST_SYSTEM_WINDOW+8; 377 378 /** 379 * Window type: dialogs that the keyguard shows 380 * In multiuser systems shows on all users' windows. 381 */ 382 public static final int TYPE_KEYGUARD_DIALOG = FIRST_SYSTEM_WINDOW+9; 383 384 /** 385 * Window type: internal system error windows, appear on top of 386 * everything they can. 387 * In multiuser systems shows only on the owning user's window. 388 */ 389 public static final int TYPE_SYSTEM_ERROR = FIRST_SYSTEM_WINDOW+10; 390 391 /** 392 * Window type: internal input methods windows, which appear above 393 * the normal UI. Application windows may be resized or panned to keep 394 * the input focus visible while this window is displayed. 395 * In multiuser systems shows only on the owning user's window. 396 */ 397 public static final int TYPE_INPUT_METHOD = FIRST_SYSTEM_WINDOW+11; 398 399 /** 400 * Window type: internal input methods dialog windows, which appear above 401 * the current input method window. 402 * In multiuser systems shows only on the owning user's window. 403 */ 404 public static final int TYPE_INPUT_METHOD_DIALOG= FIRST_SYSTEM_WINDOW+12; 405 406 /** 407 * Window type: wallpaper window, placed behind any window that wants 408 * to sit on top of the wallpaper. 409 * In multiuser systems shows only on the owning user's window. 410 */ 411 public static final int TYPE_WALLPAPER = FIRST_SYSTEM_WINDOW+13; 412 413 /** 414 * Window type: panel that slides out from over the status bar 415 * In multiuser systems shows on all users' windows. 416 */ 417 public static final int TYPE_STATUS_BAR_PANEL = FIRST_SYSTEM_WINDOW+14; 418 419 /** 420 * Window type: secure system overlay windows, which need to be displayed 421 * on top of everything else. These windows must not take input 422 * focus, or they will interfere with the keyguard. 423 * 424 * This is exactly like {@link #TYPE_SYSTEM_OVERLAY} except that only the 425 * system itself is allowed to create these overlays. Applications cannot 426 * obtain permission to create secure system overlays. 427 * 428 * In multiuser systems shows only on the owning user's window. 429 * @hide 430 */ 431 public static final int TYPE_SECURE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+15; 432 433 /** 434 * Window type: the drag-and-drop pseudowindow. There is only one 435 * drag layer (at most), and it is placed on top of all other windows. 436 * In multiuser systems shows only on the owning user's window. 437 * @hide 438 */ 439 public static final int TYPE_DRAG = FIRST_SYSTEM_WINDOW+16; 440 441 /** 442 * Window type: panel that slides out from under the status bar 443 * In multiuser systems shows on all users' windows. 444 * @hide 445 */ 446 public static final int TYPE_STATUS_BAR_SUB_PANEL = FIRST_SYSTEM_WINDOW+17; 447 448 /** 449 * Window type: (mouse) pointer 450 * In multiuser systems shows on all users' windows. 451 * @hide 452 */ 453 public static final int TYPE_POINTER = FIRST_SYSTEM_WINDOW+18; 454 455 /** 456 * Window type: Navigation bar (when distinct from status bar) 457 * In multiuser systems shows on all users' windows. 458 * @hide 459 */ 460 public static final int TYPE_NAVIGATION_BAR = FIRST_SYSTEM_WINDOW+19; 461 462 /** 463 * Window type: The volume level overlay/dialog shown when the user 464 * changes the system volume. 465 * In multiuser systems shows on all users' windows. 466 * @hide 467 */ 468 public static final int TYPE_VOLUME_OVERLAY = FIRST_SYSTEM_WINDOW+20; 469 470 /** 471 * Window type: The boot progress dialog, goes on top of everything 472 * in the world. 473 * In multiuser systems shows on all users' windows. 474 * @hide 475 */ 476 public static final int TYPE_BOOT_PROGRESS = FIRST_SYSTEM_WINDOW+21; 477 478 /** 479 * Window type: Fake window to consume touch events when the navigation 480 * bar is hidden. 481 * In multiuser systems shows on all users' windows. 482 * @hide 483 */ 484 public static final int TYPE_HIDDEN_NAV_CONSUMER = FIRST_SYSTEM_WINDOW+22; 485 486 /** 487 * Window type: Dreams (screen saver) window, just above keyguard. 488 * In multiuser systems shows only on the owning user's window. 489 * @hide 490 */ 491 public static final int TYPE_DREAM = FIRST_SYSTEM_WINDOW+23; 492 493 /** 494 * Window type: Navigation bar panel (when navigation bar is distinct from status bar) 495 * In multiuser systems shows on all users' windows. 496 * @hide 497 */ 498 public static final int TYPE_NAVIGATION_BAR_PANEL = FIRST_SYSTEM_WINDOW+24; 499 500 /** 501 * Window type: Behind the universe of the real windows. 502 * In multiuser systems shows on all users' windows. 503 * @hide 504 */ 505 public static final int TYPE_UNIVERSE_BACKGROUND = FIRST_SYSTEM_WINDOW+25; 506 507 /** 508 * Window type: Display overlay window. Used to simulate secondary display devices. 509 * In multiuser systems shows on all users' windows. 510 * @hide 511 */ 512 public static final int TYPE_DISPLAY_OVERLAY = FIRST_SYSTEM_WINDOW+26; 513 514 /** 515 * Window type: Magnification overlay window. Used to highlight the magnified 516 * portion of a display when accessibility magnification is enabled. 517 * In multiuser systems shows on all users' windows. 518 * @hide 519 */ 520 public static final int TYPE_MAGNIFICATION_OVERLAY = FIRST_SYSTEM_WINDOW+27; 521 522 /** 523 * Window type: Recents. Same layer as {@link #TYPE_SYSTEM_DIALOG} but only appears on 524 * one user's screen. 525 * In multiuser systems shows on all users' windows. 526 * @hide 527 */ 528 public static final int TYPE_RECENTS_OVERLAY = FIRST_SYSTEM_WINDOW+28; 529 530 /** 531 * End of types of system windows. 532 */ 533 public static final int LAST_SYSTEM_WINDOW = 2999; 534 535 /** @deprecated this is ignored, this value is set automatically when needed. */ 536 @Deprecated 537 public static final int MEMORY_TYPE_NORMAL = 0; 538 /** @deprecated this is ignored, this value is set automatically when needed. */ 539 @Deprecated 540 public static final int MEMORY_TYPE_HARDWARE = 1; 541 /** @deprecated this is ignored, this value is set automatically when needed. */ 542 @Deprecated 543 public static final int MEMORY_TYPE_GPU = 2; 544 /** @deprecated this is ignored, this value is set automatically when needed. */ 545 @Deprecated 546 public static final int MEMORY_TYPE_PUSH_BUFFERS = 3; 547 548 /** 549 * @deprecated this is ignored 550 */ 551 @Deprecated 552 public int memoryType; 553 554 /** Window flag: as long as this window is visible to the user, allow 555 * the lock screen to activate while the screen is on. 556 * This can be used independently, or in combination with 557 * {@link #FLAG_KEEP_SCREEN_ON} and/or {@link #FLAG_SHOW_WHEN_LOCKED} */ 558 public static final int FLAG_ALLOW_LOCK_WHILE_SCREEN_ON = 0x00000001; 559 560 /** Window flag: everything behind this window will be dimmed. 561 * Use {@link #dimAmount} to control the amount of dim. */ 562 public static final int FLAG_DIM_BEHIND = 0x00000002; 563 564 /** Window flag: blur everything behind this window. 565 * @deprecated Blurring is no longer supported. */ 566 @Deprecated 567 public static final int FLAG_BLUR_BEHIND = 0x00000004; 568 569 /** Window flag: this window won't ever get key input focus, so the 570 * user can not send key or other button events to it. Those will 571 * instead go to whatever focusable window is behind it. This flag 572 * will also enable {@link #FLAG_NOT_TOUCH_MODAL} whether or not that 573 * is explicitly set. 574 * 575 * <p>Setting this flag also implies that the window will not need to 576 * interact with 577 * a soft input method, so it will be Z-ordered and positioned 578 * independently of any active input method (typically this means it 579 * gets Z-ordered on top of the input method, so it can use the full 580 * screen for its content and cover the input method if needed. You 581 * can use {@link #FLAG_ALT_FOCUSABLE_IM} to modify this behavior. */ 582 public static final int FLAG_NOT_FOCUSABLE = 0x00000008; 583 584 /** Window flag: this window can never receive touch events. */ 585 public static final int FLAG_NOT_TOUCHABLE = 0x00000010; 586 587 /** Window flag: Even when this window is focusable (its 588 * {@link #FLAG_NOT_FOCUSABLE is not set), allow any pointer events 589 * outside of the window to be sent to the windows behind it. Otherwise 590 * it will consume all pointer events itself, regardless of whether they 591 * are inside of the window. */ 592 public static final int FLAG_NOT_TOUCH_MODAL = 0x00000020; 593 594 /** Window flag: When set, if the device is asleep when the touch 595 * screen is pressed, you will receive this first touch event. Usually 596 * the first touch event is consumed by the system since the user can 597 * not see what they are pressing on. 598 */ 599 public static final int FLAG_TOUCHABLE_WHEN_WAKING = 0x00000040; 600 601 /** Window flag: as long as this window is visible to the user, keep 602 * the device's screen turned on and bright. */ 603 public static final int FLAG_KEEP_SCREEN_ON = 0x00000080; 604 605 /** Window flag: place the window within the entire screen, ignoring 606 * decorations around the border (a.k.a. the status bar). The 607 * window must correctly position its contents to take the screen 608 * decoration into account. This flag is normally set for you 609 * by Window as described in {@link Window#setFlags}. */ 610 public static final int FLAG_LAYOUT_IN_SCREEN = 0x00000100; 611 612 /** Window flag: allow window to extend outside of the screen. */ 613 public static final int FLAG_LAYOUT_NO_LIMITS = 0x00000200; 614 615 /** Window flag: Hide all screen decorations (e.g. status bar) while 616 * this window is displayed. This allows the window to use the entire 617 * display space for itself -- the status bar will be hidden when 618 * an app window with this flag set is on the top layer. */ 619 public static final int FLAG_FULLSCREEN = 0x00000400; 620 621 /** Window flag: Override {@link #FLAG_FULLSCREEN and force the 622 * screen decorations (such as status bar) to be shown. */ 623 public static final int FLAG_FORCE_NOT_FULLSCREEN = 0x00000800; 624 625 /** Window flag: turn on dithering when compositing this window to 626 * the screen. 627 * @deprecated This flag is no longer used. */ 628 @Deprecated 629 public static final int FLAG_DITHER = 0x00001000; 630 631 /** Window flag: don't allow screen shots while this window is 632 * displayed. Maps to Surface.SECURE. */ 633 public static final int FLAG_SECURE = 0x00002000; 634 635 /** Window flag: a special mode where the layout parameters are used 636 * to perform scaling of the surface when it is composited to the 637 * screen. */ 638 public static final int FLAG_SCALED = 0x00004000; 639 640 /** Window flag: intended for windows that will often be used when the user is 641 * holding the screen against their face, it will aggressively filter the event 642 * stream to prevent unintended presses in this situation that may not be 643 * desired for a particular window, when such an event stream is detected, the 644 * application will receive a CANCEL motion event to indicate this so applications 645 * can handle this accordingly by taking no action on the event 646 * until the finger is released. */ 647 public static final int FLAG_IGNORE_CHEEK_PRESSES = 0x00008000; 648 649 /** Window flag: a special option only for use in combination with 650 * {@link #FLAG_LAYOUT_IN_SCREEN}. When requesting layout in the 651 * screen your window may appear on top of or behind screen decorations 652 * such as the status bar. By also including this flag, the window 653 * manager will report the inset rectangle needed to ensure your 654 * content is not covered by screen decorations. This flag is normally 655 * set for you by Window as described in {@link Window#setFlags}.*/ 656 public static final int FLAG_LAYOUT_INSET_DECOR = 0x00010000; 657 658 /** Window flag: invert the state of {@link #FLAG_NOT_FOCUSABLE} with 659 * respect to how this window interacts with the current method. That 660 * is, if FLAG_NOT_FOCUSABLE is set and this flag is set, then the 661 * window will behave as if it needs to interact with the input method 662 * and thus be placed behind/away from it; if FLAG_NOT_FOCUSABLE is 663 * not set and this flag is set, then the window will behave as if it 664 * doesn't need to interact with the input method and can be placed 665 * to use more space and cover the input method. 666 */ 667 public static final int FLAG_ALT_FOCUSABLE_IM = 0x00020000; 668 669 /** Window flag: if you have set {@link #FLAG_NOT_TOUCH_MODAL}, you 670 * can set this flag to receive a single special MotionEvent with 671 * the action 672 * {@link MotionEvent#ACTION_OUTSIDE MotionEvent.ACTION_OUTSIDE} for 673 * touches that occur outside of your window. Note that you will not 674 * receive the full down/move/up gesture, only the location of the 675 * first down as an ACTION_OUTSIDE. 676 */ 677 public static final int FLAG_WATCH_OUTSIDE_TOUCH = 0x00040000; 678 679 /** Window flag: special flag to let windows be shown when the screen 680 * is locked. This will let application windows take precedence over 681 * key guard or any other lock screens. Can be used with 682 * {@link #FLAG_KEEP_SCREEN_ON} to turn screen on and display windows 683 * directly before showing the key guard window. Can be used with 684 * {@link #FLAG_DISMISS_KEYGUARD} to automatically fully dismisss 685 * non-secure keyguards. This flag only applies to the top-most 686 * full-screen window. 687 */ 688 public static final int FLAG_SHOW_WHEN_LOCKED = 0x00080000; 689 690 /** Window flag: ask that the system wallpaper be shown behind 691 * your window. The window surface must be translucent to be able 692 * to actually see the wallpaper behind it; this flag just ensures 693 * that the wallpaper surface will be there if this window actually 694 * has translucent regions. 695 */ 696 public static final int FLAG_SHOW_WALLPAPER = 0x00100000; 697 698 /** Window flag: when set as a window is being added or made 699 * visible, once the window has been shown then the system will 700 * poke the power manager's user activity (as if the user had woken 701 * up the device) to turn the screen on. */ 702 public static final int FLAG_TURN_SCREEN_ON = 0x00200000; 703 704 /** Window flag: when set the window will cause the keyguard to 705 * be dismissed, only if it is not a secure lock keyguard. Because such 706 * a keyguard is not needed for security, it will never re-appear if 707 * the user navigates to another window (in contrast to 708 * {@link #FLAG_SHOW_WHEN_LOCKED}, which will only temporarily 709 * hide both secure and non-secure keyguards but ensure they reappear 710 * when the user moves to another UI that doesn't hide them). 711 * If the keyguard is currently active and is secure (requires an 712 * unlock pattern) than the user will still need to confirm it before 713 * seeing this window, unless {@link #FLAG_SHOW_WHEN_LOCKED} has 714 * also been set. 715 */ 716 public static final int FLAG_DISMISS_KEYGUARD = 0x00400000; 717 718 /** Window flag: when set the window will accept for touch events 719 * outside of its bounds to be sent to other windows that also 720 * support split touch. When this flag is not set, the first pointer 721 * that goes down determines the window to which all subsequent touches 722 * go until all pointers go up. When this flag is set, each pointer 723 * (not necessarily the first) that goes down determines the window 724 * to which all subsequent touches of that pointer will go until that 725 * pointer goes up thereby enabling touches with multiple pointers 726 * to be split across multiple windows. 727 */ 728 public static final int FLAG_SPLIT_TOUCH = 0x00800000; 729 730 /** 731 * <p>Indicates whether this window should be hardware accelerated. 732 * Requesting hardware acceleration does not guarantee it will happen.</p> 733 * 734 * <p>This flag can be controlled programmatically <em>only</em> to enable 735 * hardware acceleration. To enable hardware acceleration for a given 736 * window programmatically, do the following:</p> 737 * 738 * <pre> 739 * Window w = activity.getWindow(); // in Activity's onCreate() for instance 740 * w.setFlags(WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED, 741 * WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED); 742 * </pre> 743 * 744 * <p>It is important to remember that this flag <strong>must</strong> 745 * be set before setting the content view of your activity or dialog.</p> 746 * 747 * <p>This flag cannot be used to disable hardware acceleration after it 748 * was enabled in your manifest using 749 * {@link android.R.attr#hardwareAccelerated}. If you need to selectively 750 * and programmatically disable hardware acceleration (for automated testing 751 * for instance), make sure it is turned off in your manifest and enable it 752 * on your activity or dialog when you need it instead, using the method 753 * described above.</p> 754 * 755 * <p>This flag is automatically set by the system if the 756 * {@link android.R.attr#hardwareAccelerated android:hardwareAccelerated} 757 * XML attribute is set to true on an activity or on the application.</p> 758 */ 759 public static final int FLAG_HARDWARE_ACCELERATED = 0x01000000; 760 761 // ----- HIDDEN FLAGS. 762 // These start at the high bit and go down. 763 764 /** Window flag: Enable touches to slide out of a window into neighboring 765 * windows in mid-gesture instead of being captured for the duration of 766 * the gesture. 767 * 768 * This flag changes the behavior of touch focus for this window only. 769 * Touches can slide out of the window but they cannot necessarily slide 770 * back in (unless the other window with touch focus permits it). 771 * 772 * {@hide} 773 */ 774 public static final int FLAG_SLIPPERY = 0x04000000; 775 776 /** 777 * Flag for a window belonging to an activity that responds to {@link KeyEvent#KEYCODE_MENU} 778 * and therefore needs a Menu key. For devices where Menu is a physical button this flag is 779 * ignored, but on devices where the Menu key is drawn in software it may be hidden unless 780 * this flag is set. 781 * 782 * (Note that Action Bars, when available, are the preferred way to offer additional 783 * functions otherwise accessed via an options menu.) 784 * 785 * {@hide} 786 */ 787 public static final int FLAG_NEEDS_MENU_KEY = 0x08000000; 788 789 /** Window flag: special flag to limit the size of the window to be 790 * original size ([320x480] x density). Used to create window for applications 791 * running under compatibility mode. 792 * 793 * {@hide} */ 794 public static final int FLAG_COMPATIBLE_WINDOW = 0x20000000; 795 796 /** Window flag: a special option intended for system dialogs. When 797 * this flag is set, the window will demand focus unconditionally when 798 * it is created. 799 * {@hide} */ 800 public static final int FLAG_SYSTEM_ERROR = 0x40000000; 801 802 /** 803 * Various behavioral options/flags. Default is none. 804 * 805 * @see #FLAG_ALLOW_LOCK_WHILE_SCREEN_ON 806 * @see #FLAG_DIM_BEHIND 807 * @see #FLAG_NOT_FOCUSABLE 808 * @see #FLAG_NOT_TOUCHABLE 809 * @see #FLAG_NOT_TOUCH_MODAL 810 * @see #FLAG_TOUCHABLE_WHEN_WAKING 811 * @see #FLAG_KEEP_SCREEN_ON 812 * @see #FLAG_LAYOUT_IN_SCREEN 813 * @see #FLAG_LAYOUT_NO_LIMITS 814 * @see #FLAG_FULLSCREEN 815 * @see #FLAG_FORCE_NOT_FULLSCREEN 816 * @see #FLAG_SECURE 817 * @see #FLAG_SCALED 818 * @see #FLAG_IGNORE_CHEEK_PRESSES 819 * @see #FLAG_LAYOUT_INSET_DECOR 820 * @see #FLAG_ALT_FOCUSABLE_IM 821 * @see #FLAG_WATCH_OUTSIDE_TOUCH 822 * @see #FLAG_SHOW_WHEN_LOCKED 823 * @see #FLAG_SHOW_WALLPAPER 824 * @see #FLAG_TURN_SCREEN_ON 825 * @see #FLAG_DISMISS_KEYGUARD 826 * @see #FLAG_SPLIT_TOUCH 827 * @see #FLAG_HARDWARE_ACCELERATED 828 */ 829 @ViewDebug.ExportedProperty(flagMapping = { 830 @ViewDebug.FlagToString(mask = FLAG_ALLOW_LOCK_WHILE_SCREEN_ON, equals = FLAG_ALLOW_LOCK_WHILE_SCREEN_ON, 831 name = "FLAG_ALLOW_LOCK_WHILE_SCREEN_ON"), 832 @ViewDebug.FlagToString(mask = FLAG_DIM_BEHIND, equals = FLAG_DIM_BEHIND, 833 name = "FLAG_DIM_BEHIND"), 834 @ViewDebug.FlagToString(mask = FLAG_BLUR_BEHIND, equals = FLAG_BLUR_BEHIND, 835 name = "FLAG_BLUR_BEHIND"), 836 @ViewDebug.FlagToString(mask = FLAG_NOT_FOCUSABLE, equals = FLAG_NOT_FOCUSABLE, 837 name = "FLAG_NOT_FOCUSABLE"), 838 @ViewDebug.FlagToString(mask = FLAG_NOT_TOUCHABLE, equals = FLAG_NOT_TOUCHABLE, 839 name = "FLAG_NOT_TOUCHABLE"), 840 @ViewDebug.FlagToString(mask = FLAG_NOT_TOUCH_MODAL, equals = FLAG_NOT_TOUCH_MODAL, 841 name = "FLAG_NOT_TOUCH_MODAL"), 842 @ViewDebug.FlagToString(mask = FLAG_TOUCHABLE_WHEN_WAKING, equals = FLAG_TOUCHABLE_WHEN_WAKING, 843 name = "FLAG_TOUCHABLE_WHEN_WAKING"), 844 @ViewDebug.FlagToString(mask = FLAG_KEEP_SCREEN_ON, equals = FLAG_KEEP_SCREEN_ON, 845 name = "FLAG_KEEP_SCREEN_ON"), 846 @ViewDebug.FlagToString(mask = FLAG_LAYOUT_IN_SCREEN, equals = FLAG_LAYOUT_IN_SCREEN, 847 name = "FLAG_LAYOUT_IN_SCREEN"), 848 @ViewDebug.FlagToString(mask = FLAG_LAYOUT_NO_LIMITS, equals = FLAG_LAYOUT_NO_LIMITS, 849 name = "FLAG_LAYOUT_NO_LIMITS"), 850 @ViewDebug.FlagToString(mask = FLAG_FULLSCREEN, equals = FLAG_FULLSCREEN, 851 name = "FLAG_FULLSCREEN"), 852 @ViewDebug.FlagToString(mask = FLAG_FORCE_NOT_FULLSCREEN, equals = FLAG_FORCE_NOT_FULLSCREEN, 853 name = "FLAG_FORCE_NOT_FULLSCREEN"), 854 @ViewDebug.FlagToString(mask = FLAG_DITHER, equals = FLAG_DITHER, 855 name = "FLAG_DITHER"), 856 @ViewDebug.FlagToString(mask = FLAG_SECURE, equals = FLAG_SECURE, 857 name = "FLAG_SECURE"), 858 @ViewDebug.FlagToString(mask = FLAG_SCALED, equals = FLAG_SCALED, 859 name = "FLAG_SCALED"), 860 @ViewDebug.FlagToString(mask = FLAG_IGNORE_CHEEK_PRESSES, equals = FLAG_IGNORE_CHEEK_PRESSES, 861 name = "FLAG_IGNORE_CHEEK_PRESSES"), 862 @ViewDebug.FlagToString(mask = FLAG_LAYOUT_INSET_DECOR, equals = FLAG_LAYOUT_INSET_DECOR, 863 name = "FLAG_LAYOUT_INSET_DECOR"), 864 @ViewDebug.FlagToString(mask = FLAG_ALT_FOCUSABLE_IM, equals = FLAG_ALT_FOCUSABLE_IM, 865 name = "FLAG_ALT_FOCUSABLE_IM"), 866 @ViewDebug.FlagToString(mask = FLAG_WATCH_OUTSIDE_TOUCH, equals = FLAG_WATCH_OUTSIDE_TOUCH, 867 name = "FLAG_WATCH_OUTSIDE_TOUCH"), 868 @ViewDebug.FlagToString(mask = FLAG_SHOW_WHEN_LOCKED, equals = FLAG_SHOW_WHEN_LOCKED, 869 name = "FLAG_SHOW_WHEN_LOCKED"), 870 @ViewDebug.FlagToString(mask = FLAG_SHOW_WALLPAPER, equals = FLAG_SHOW_WALLPAPER, 871 name = "FLAG_SHOW_WALLPAPER"), 872 @ViewDebug.FlagToString(mask = FLAG_TURN_SCREEN_ON, equals = FLAG_TURN_SCREEN_ON, 873 name = "FLAG_TURN_SCREEN_ON"), 874 @ViewDebug.FlagToString(mask = FLAG_DISMISS_KEYGUARD, equals = FLAG_DISMISS_KEYGUARD, 875 name = "FLAG_DISMISS_KEYGUARD"), 876 @ViewDebug.FlagToString(mask = FLAG_SPLIT_TOUCH, equals = FLAG_SPLIT_TOUCH, 877 name = "FLAG_SPLIT_TOUCH"), 878 @ViewDebug.FlagToString(mask = FLAG_HARDWARE_ACCELERATED, equals = FLAG_HARDWARE_ACCELERATED, 879 name = "FLAG_HARDWARE_ACCELERATED") 880 }) 881 public int flags; 882 883 /** 884 * If the window has requested hardware acceleration, but this is not 885 * allowed in the process it is in, then still render it as if it is 886 * hardware accelerated. This is used for the starting preview windows 887 * in the system process, which don't need to have the overhead of 888 * hardware acceleration (they are just a static rendering), but should 889 * be rendered as such to match the actual window of the app even if it 890 * is hardware accelerated. 891 * Even if the window isn't hardware accelerated, still do its rendering 892 * as if it was. 893 * Like {@link #FLAG_HARDWARE_ACCELERATED} except for trusted system windows 894 * that need hardware acceleration (e.g. LockScreen), where hardware acceleration 895 * is generally disabled. This flag must be specified in addition to 896 * {@link #FLAG_HARDWARE_ACCELERATED} to enable hardware acceleration for system 897 * windows. 898 * 899 * @hide 900 */ 901 public static final int PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED = 0x00000001; 902 903 /** 904 * In the system process, we globally do not use hardware acceleration 905 * because there are many threads doing UI there and they conflict. 906 * If certain parts of the UI that really do want to use hardware 907 * acceleration, this flag can be set to force it. This is basically 908 * for the lock screen. Anyone else using it, you are probably wrong. 909 * 910 * @hide 911 */ 912 public static final int PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED = 0x00000002; 913 914 /** 915 * By default, wallpapers are sent new offsets when the wallpaper is scrolled. Wallpapers 916 * may elect to skip these notifications if they are not doing anything productive with 917 * them (they do not affect the wallpaper scrolling operation) by calling 918 * {@link 919 * android.service.wallpaper.WallpaperService.Engine#setOffsetNotificationsEnabled(boolean)}. 920 * 921 * @hide 922 */ 923 public static final int PRIVATE_FLAG_WANTS_OFFSET_NOTIFICATIONS = 0x00000004; 924 925 /** 926 * This is set for a window that has explicitly specified its 927 * FLAG_NEEDS_MENU_KEY, so we know the value on this window is the 928 * appropriate one to use. If this is not set, we should look at 929 * windows behind it to determine the appropriate value. 930 * 931 * @hide 932 */ 933 public static final int PRIVATE_FLAG_SET_NEEDS_MENU_KEY = 0x00000008; 934 935 /** In a multiuser system if this flag is set and the owner is a system process then this 936 * window will appear on all user screens. This overrides the default behavior of window 937 * types that normally only appear on the owning user's screen. Refer to each window type 938 * to determine its default behavior. 939 * 940 * {@hide} */ 941 public static final int PRIVATE_FLAG_SHOW_FOR_ALL_USERS = 0x00000010; 942 943 /** 944 * Control flags that are private to the platform. 945 * @hide 946 */ 947 public int privateFlags; 948 949 /** 950 * Given a particular set of window manager flags, determine whether 951 * such a window may be a target for an input method when it has 952 * focus. In particular, this checks the 953 * {@link #FLAG_NOT_FOCUSABLE} and {@link #FLAG_ALT_FOCUSABLE_IM} 954 * flags and returns true if the combination of the two corresponds 955 * to a window that needs to be behind the input method so that the 956 * user can type into it. 957 * 958 * @param flags The current window manager flags. 959 * 960 * @return Returns true if such a window should be behind/interact 961 * with an input method, false if not. 962 */ 963 public static boolean mayUseInputMethod(int flags) { 964 switch (flags&(FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM)) { 965 case 0: 966 case FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM: 967 return true; 968 } 969 return false; 970 } 971 972 /** 973 * Mask for {@link #softInputMode} of the bits that determine the 974 * desired visibility state of the soft input area for this window. 975 */ 976 public static final int SOFT_INPUT_MASK_STATE = 0x0f; 977 978 /** 979 * Visibility state for {@link #softInputMode}: no state has been specified. 980 */ 981 public static final int SOFT_INPUT_STATE_UNSPECIFIED = 0; 982 983 /** 984 * Visibility state for {@link #softInputMode}: please don't change the state of 985 * the soft input area. 986 */ 987 public static final int SOFT_INPUT_STATE_UNCHANGED = 1; 988 989 /** 990 * Visibility state for {@link #softInputMode}: please hide any soft input 991 * area when normally appropriate (when the user is navigating 992 * forward to your window). 993 */ 994 public static final int SOFT_INPUT_STATE_HIDDEN = 2; 995 996 /** 997 * Visibility state for {@link #softInputMode}: please always hide any 998 * soft input area when this window receives focus. 999 */ 1000 public static final int SOFT_INPUT_STATE_ALWAYS_HIDDEN = 3; 1001 1002 /** 1003 * Visibility state for {@link #softInputMode}: please show the soft 1004 * input area when normally appropriate (when the user is navigating 1005 * forward to your window). 1006 */ 1007 public static final int SOFT_INPUT_STATE_VISIBLE = 4; 1008 1009 /** 1010 * Visibility state for {@link #softInputMode}: please always make the 1011 * soft input area visible when this window receives input focus. 1012 */ 1013 public static final int SOFT_INPUT_STATE_ALWAYS_VISIBLE = 5; 1014 1015 /** 1016 * Mask for {@link #softInputMode} of the bits that determine the 1017 * way that the window should be adjusted to accommodate the soft 1018 * input window. 1019 */ 1020 public static final int SOFT_INPUT_MASK_ADJUST = 0xf0; 1021 1022 /** Adjustment option for {@link #softInputMode}: nothing specified. 1023 * The system will try to pick one or 1024 * the other depending on the contents of the window. 1025 */ 1026 public static final int SOFT_INPUT_ADJUST_UNSPECIFIED = 0x00; 1027 1028 /** Adjustment option for {@link #softInputMode}: set to allow the 1029 * window to be resized when an input 1030 * method is shown, so that its contents are not covered by the input 1031 * method. This can <em>not</em> be combined with 1032 * {@link #SOFT_INPUT_ADJUST_PAN}; if 1033 * neither of these are set, then the system will try to pick one or 1034 * the other depending on the contents of the window. 1035 */ 1036 public static final int SOFT_INPUT_ADJUST_RESIZE = 0x10; 1037 1038 /** Adjustment option for {@link #softInputMode}: set to have a window 1039 * pan when an input method is 1040 * shown, so it doesn't need to deal with resizing but just panned 1041 * by the framework to ensure the current input focus is visible. This 1042 * can <em>not</em> be combined with {@link #SOFT_INPUT_ADJUST_RESIZE}; if 1043 * neither of these are set, then the system will try to pick one or 1044 * the other depending on the contents of the window. 1045 */ 1046 public static final int SOFT_INPUT_ADJUST_PAN = 0x20; 1047 1048 /** Adjustment option for {@link #softInputMode}: set to have a window 1049 * not adjust for a shown input method. The window will not be resized, 1050 * and it will not be panned to make its focus visible. 1051 */ 1052 public static final int SOFT_INPUT_ADJUST_NOTHING = 0x30; 1053 1054 /** 1055 * Bit for {@link #softInputMode}: set when the user has navigated 1056 * forward to the window. This is normally set automatically for 1057 * you by the system, though you may want to set it in certain cases 1058 * when you are displaying a window yourself. This flag will always 1059 * be cleared automatically after the window is displayed. 1060 */ 1061 public static final int SOFT_INPUT_IS_FORWARD_NAVIGATION = 0x100; 1062 1063 /** 1064 * Desired operating mode for any soft input area. May be any combination 1065 * of: 1066 * 1067 * <ul> 1068 * <li> One of the visibility states 1069 * {@link #SOFT_INPUT_STATE_UNSPECIFIED}, {@link #SOFT_INPUT_STATE_UNCHANGED}, 1070 * {@link #SOFT_INPUT_STATE_HIDDEN}, {@link #SOFT_INPUT_STATE_ALWAYS_VISIBLE}, or 1071 * {@link #SOFT_INPUT_STATE_VISIBLE}. 1072 * <li> One of the adjustment options 1073 * {@link #SOFT_INPUT_ADJUST_UNSPECIFIED}, 1074 * {@link #SOFT_INPUT_ADJUST_RESIZE}, or 1075 * {@link #SOFT_INPUT_ADJUST_PAN}. 1076 */ 1077 public int softInputMode; 1078 1079 /** 1080 * Placement of window within the screen as per {@link Gravity}. Both 1081 * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int, 1082 * android.graphics.Rect) Gravity.apply} and 1083 * {@link Gravity#applyDisplay(int, android.graphics.Rect, android.graphics.Rect) 1084 * Gravity.applyDisplay} are used during window layout, with this value 1085 * given as the desired gravity. For example you can specify 1086 * {@link Gravity#DISPLAY_CLIP_HORIZONTAL Gravity.DISPLAY_CLIP_HORIZONTAL} and 1087 * {@link Gravity#DISPLAY_CLIP_VERTICAL Gravity.DISPLAY_CLIP_VERTICAL} here 1088 * to control the behavior of 1089 * {@link Gravity#applyDisplay(int, android.graphics.Rect, android.graphics.Rect) 1090 * Gravity.applyDisplay}. 1091 * 1092 * @see Gravity 1093 */ 1094 public int gravity; 1095 1096 /** 1097 * The horizontal margin, as a percentage of the container's width, 1098 * between the container and the widget. See 1099 * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int, 1100 * android.graphics.Rect) Gravity.apply} for how this is used. This 1101 * field is added with {@link #x} to supply the <var>xAdj</var> parameter. 1102 */ 1103 public float horizontalMargin; 1104 1105 /** 1106 * The vertical margin, as a percentage of the container's height, 1107 * between the container and the widget. See 1108 * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int, 1109 * android.graphics.Rect) Gravity.apply} for how this is used. This 1110 * field is added with {@link #y} to supply the <var>yAdj</var> parameter. 1111 */ 1112 public float verticalMargin; 1113 1114 /** 1115 * The desired bitmap format. May be one of the constants in 1116 * {@link android.graphics.PixelFormat}. Default is OPAQUE. 1117 */ 1118 public int format; 1119 1120 /** 1121 * A style resource defining the animations to use for this window. 1122 * This must be a system resource; it can not be an application resource 1123 * because the window manager does not have access to applications. 1124 */ 1125 public int windowAnimations; 1126 1127 /** 1128 * An alpha value to apply to this entire window. 1129 * An alpha of 1.0 means fully opaque and 0.0 means fully transparent 1130 */ 1131 public float alpha = 1.0f; 1132 1133 /** 1134 * When {@link #FLAG_DIM_BEHIND} is set, this is the amount of dimming 1135 * to apply. Range is from 1.0 for completely opaque to 0.0 for no 1136 * dim. 1137 */ 1138 public float dimAmount = 1.0f; 1139 1140 /** 1141 * Default value for {@link #screenBrightness} and {@link #buttonBrightness} 1142 * indicating that the brightness value is not overridden for this window 1143 * and normal brightness policy should be used. 1144 */ 1145 public static final float BRIGHTNESS_OVERRIDE_NONE = -1.0f; 1146 1147 /** 1148 * Value for {@link #screenBrightness} and {@link #buttonBrightness} 1149 * indicating that the screen or button backlight brightness should be set 1150 * to the lowest value when this window is in front. 1151 */ 1152 public static final float BRIGHTNESS_OVERRIDE_OFF = 0.0f; 1153 1154 /** 1155 * Value for {@link #screenBrightness} and {@link #buttonBrightness} 1156 * indicating that the screen or button backlight brightness should be set 1157 * to the hightest value when this window is in front. 1158 */ 1159 public static final float BRIGHTNESS_OVERRIDE_FULL = 1.0f; 1160 1161 /** 1162 * This can be used to override the user's preferred brightness of 1163 * the screen. A value of less than 0, the default, means to use the 1164 * preferred screen brightness. 0 to 1 adjusts the brightness from 1165 * dark to full bright. 1166 */ 1167 public float screenBrightness = BRIGHTNESS_OVERRIDE_NONE; 1168 1169 /** 1170 * This can be used to override the standard behavior of the button and 1171 * keyboard backlights. A value of less than 0, the default, means to 1172 * use the standard backlight behavior. 0 to 1 adjusts the brightness 1173 * from dark to full bright. 1174 */ 1175 public float buttonBrightness = BRIGHTNESS_OVERRIDE_NONE; 1176 1177 /** 1178 * Identifier for this window. This will usually be filled in for 1179 * you. 1180 */ 1181 public IBinder token = null; 1182 1183 /** 1184 * Name of the package owning this window. 1185 */ 1186 public String packageName = null; 1187 1188 /** 1189 * Specific orientation value for a window. 1190 * May be any of the same values allowed 1191 * for {@link android.content.pm.ActivityInfo#screenOrientation}. 1192 * If not set, a default value of 1193 * {@link android.content.pm.ActivityInfo#SCREEN_ORIENTATION_UNSPECIFIED} 1194 * will be used. 1195 */ 1196 public int screenOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; 1197 1198 /** 1199 * Control the visibility of the status bar. 1200 * 1201 * @see View#STATUS_BAR_VISIBLE 1202 * @see View#STATUS_BAR_HIDDEN 1203 */ 1204 public int systemUiVisibility; 1205 1206 /** 1207 * @hide 1208 * The ui visibility as requested by the views in this hierarchy. 1209 * the combined value should be systemUiVisibility | subtreeSystemUiVisibility. 1210 */ 1211 public int subtreeSystemUiVisibility; 1212 1213 /** 1214 * Get callbacks about the system ui visibility changing. 1215 * 1216 * TODO: Maybe there should be a bitfield of optional callbacks that we need. 1217 * 1218 * @hide 1219 */ 1220 public boolean hasSystemUiListeners; 1221 1222 /** 1223 * When this window has focus, disable touch pad pointer gesture processing. 1224 * The window will receive raw position updates from the touch pad instead 1225 * of pointer movements and synthetic touch events. 1226 * 1227 * @hide 1228 */ 1229 public static final int INPUT_FEATURE_DISABLE_POINTER_GESTURES = 0x00000001; 1230 1231 /** 1232 * Does not construct an input channel for this window. The channel will therefore 1233 * be incapable of receiving input. 1234 * 1235 * @hide 1236 */ 1237 public static final int INPUT_FEATURE_NO_INPUT_CHANNEL = 0x00000002; 1238 1239 /** 1240 * When this window has focus, does not call user activity for all input events so 1241 * the application will have to do it itself. Should only be used by 1242 * the keyguard and phone app. 1243 * <p> 1244 * Should only be used by the keyguard and phone app. 1245 * </p> 1246 * 1247 * @hide 1248 */ 1249 public static final int INPUT_FEATURE_DISABLE_USER_ACTIVITY = 0x00000004; 1250 1251 /** 1252 * Control special features of the input subsystem. 1253 * 1254 * @see #INPUT_FEATURE_DISABLE_TOUCH_PAD_GESTURES 1255 * @see #INPUT_FEATURE_NO_INPUT_CHANNEL 1256 * @see #INPUT_FEATURE_DISABLE_USER_ACTIVITY 1257 * @hide 1258 */ 1259 public int inputFeatures; 1260 1261 /** 1262 * Sets the number of milliseconds before the user activity timeout occurs 1263 * when this window has focus. A value of -1 uses the standard timeout. 1264 * A value of 0 uses the minimum support display timeout. 1265 * <p> 1266 * This property can only be used to reduce the user specified display timeout; 1267 * it can never make the timeout longer than it normally would be. 1268 * </p><p> 1269 * Should only be used by the keyguard and phone app. 1270 * </p> 1271 * 1272 * @hide 1273 */ 1274 public long userActivityTimeout = -1; 1275 1276 public LayoutParams() { 1277 super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 1278 type = TYPE_APPLICATION; 1279 format = PixelFormat.OPAQUE; 1280 } 1281 1282 public LayoutParams(int _type) { 1283 super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 1284 type = _type; 1285 format = PixelFormat.OPAQUE; 1286 } 1287 1288 public LayoutParams(int _type, int _flags) { 1289 super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 1290 type = _type; 1291 flags = _flags; 1292 format = PixelFormat.OPAQUE; 1293 } 1294 1295 public LayoutParams(int _type, int _flags, int _format) { 1296 super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 1297 type = _type; 1298 flags = _flags; 1299 format = _format; 1300 } 1301 1302 public LayoutParams(int w, int h, int _type, int _flags, int _format) { 1303 super(w, h); 1304 type = _type; 1305 flags = _flags; 1306 format = _format; 1307 } 1308 1309 public LayoutParams(int w, int h, int xpos, int ypos, int _type, 1310 int _flags, int _format) { 1311 super(w, h); 1312 x = xpos; 1313 y = ypos; 1314 type = _type; 1315 flags = _flags; 1316 format = _format; 1317 } 1318 1319 public final void setTitle(CharSequence title) { 1320 if (null == title) 1321 title = ""; 1322 1323 mTitle = TextUtils.stringOrSpannedString(title); 1324 } 1325 1326 public final CharSequence getTitle() { 1327 return mTitle; 1328 } 1329 1330 public int describeContents() { 1331 return 0; 1332 } 1333 1334 public void writeToParcel(Parcel out, int parcelableFlags) { 1335 out.writeInt(width); 1336 out.writeInt(height); 1337 out.writeInt(x); 1338 out.writeInt(y); 1339 out.writeInt(type); 1340 out.writeInt(flags); 1341 out.writeInt(privateFlags); 1342 out.writeInt(softInputMode); 1343 out.writeInt(gravity); 1344 out.writeFloat(horizontalMargin); 1345 out.writeFloat(verticalMargin); 1346 out.writeInt(format); 1347 out.writeInt(windowAnimations); 1348 out.writeFloat(alpha); 1349 out.writeFloat(dimAmount); 1350 out.writeFloat(screenBrightness); 1351 out.writeFloat(buttonBrightness); 1352 out.writeStrongBinder(token); 1353 out.writeString(packageName); 1354 TextUtils.writeToParcel(mTitle, out, parcelableFlags); 1355 out.writeInt(screenOrientation); 1356 out.writeInt(systemUiVisibility); 1357 out.writeInt(subtreeSystemUiVisibility); 1358 out.writeInt(hasSystemUiListeners ? 1 : 0); 1359 out.writeInt(inputFeatures); 1360 out.writeLong(userActivityTimeout); 1361 } 1362 1363 public static final Parcelable.Creator<LayoutParams> CREATOR 1364 = new Parcelable.Creator<LayoutParams>() { 1365 public LayoutParams createFromParcel(Parcel in) { 1366 return new LayoutParams(in); 1367 } 1368 1369 public LayoutParams[] newArray(int size) { 1370 return new LayoutParams[size]; 1371 } 1372 }; 1373 1374 1375 public LayoutParams(Parcel in) { 1376 width = in.readInt(); 1377 height = in.readInt(); 1378 x = in.readInt(); 1379 y = in.readInt(); 1380 type = in.readInt(); 1381 flags = in.readInt(); 1382 privateFlags = in.readInt(); 1383 softInputMode = in.readInt(); 1384 gravity = in.readInt(); 1385 horizontalMargin = in.readFloat(); 1386 verticalMargin = in.readFloat(); 1387 format = in.readInt(); 1388 windowAnimations = in.readInt(); 1389 alpha = in.readFloat(); 1390 dimAmount = in.readFloat(); 1391 screenBrightness = in.readFloat(); 1392 buttonBrightness = in.readFloat(); 1393 token = in.readStrongBinder(); 1394 packageName = in.readString(); 1395 mTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 1396 screenOrientation = in.readInt(); 1397 systemUiVisibility = in.readInt(); 1398 subtreeSystemUiVisibility = in.readInt(); 1399 hasSystemUiListeners = in.readInt() != 0; 1400 inputFeatures = in.readInt(); 1401 userActivityTimeout = in.readLong(); 1402 } 1403 1404 @SuppressWarnings({"PointlessBitwiseExpression"}) 1405 public static final int LAYOUT_CHANGED = 1<<0; 1406 public static final int TYPE_CHANGED = 1<<1; 1407 public static final int FLAGS_CHANGED = 1<<2; 1408 public static final int FORMAT_CHANGED = 1<<3; 1409 public static final int ANIMATION_CHANGED = 1<<4; 1410 public static final int DIM_AMOUNT_CHANGED = 1<<5; 1411 public static final int TITLE_CHANGED = 1<<6; 1412 public static final int ALPHA_CHANGED = 1<<7; 1413 public static final int MEMORY_TYPE_CHANGED = 1<<8; 1414 public static final int SOFT_INPUT_MODE_CHANGED = 1<<9; 1415 public static final int SCREEN_ORIENTATION_CHANGED = 1<<10; 1416 public static final int SCREEN_BRIGHTNESS_CHANGED = 1<<11; 1417 /** {@hide} */ 1418 public static final int BUTTON_BRIGHTNESS_CHANGED = 1<<12; 1419 /** {@hide} */ 1420 public static final int SYSTEM_UI_VISIBILITY_CHANGED = 1<<13; 1421 /** {@hide} */ 1422 public static final int SYSTEM_UI_LISTENER_CHANGED = 1<<14; 1423 /** {@hide} */ 1424 public static final int INPUT_FEATURES_CHANGED = 1<<15; 1425 /** {@hide} */ 1426 public static final int PRIVATE_FLAGS_CHANGED = 1<<16; 1427 /** {@hide} */ 1428 public static final int USER_ACTIVITY_TIMEOUT_CHANGED = 1<<17; 1429 /** {@hide} */ 1430 public static final int EVERYTHING_CHANGED = 0xffffffff; 1431 1432 // internal buffer to backup/restore parameters under compatibility mode. 1433 private int[] mCompatibilityParamsBackup = null; 1434 1435 public final int copyFrom(LayoutParams o) { 1436 int changes = 0; 1437 1438 if (width != o.width) { 1439 width = o.width; 1440 changes |= LAYOUT_CHANGED; 1441 } 1442 if (height != o.height) { 1443 height = o.height; 1444 changes |= LAYOUT_CHANGED; 1445 } 1446 if (x != o.x) { 1447 x = o.x; 1448 changes |= LAYOUT_CHANGED; 1449 } 1450 if (y != o.y) { 1451 y = o.y; 1452 changes |= LAYOUT_CHANGED; 1453 } 1454 if (horizontalWeight != o.horizontalWeight) { 1455 horizontalWeight = o.horizontalWeight; 1456 changes |= LAYOUT_CHANGED; 1457 } 1458 if (verticalWeight != o.verticalWeight) { 1459 verticalWeight = o.verticalWeight; 1460 changes |= LAYOUT_CHANGED; 1461 } 1462 if (horizontalMargin != o.horizontalMargin) { 1463 horizontalMargin = o.horizontalMargin; 1464 changes |= LAYOUT_CHANGED; 1465 } 1466 if (verticalMargin != o.verticalMargin) { 1467 verticalMargin = o.verticalMargin; 1468 changes |= LAYOUT_CHANGED; 1469 } 1470 if (type != o.type) { 1471 type = o.type; 1472 changes |= TYPE_CHANGED; 1473 } 1474 if (flags != o.flags) { 1475 flags = o.flags; 1476 changes |= FLAGS_CHANGED; 1477 } 1478 if (privateFlags != o.privateFlags) { 1479 privateFlags = o.privateFlags; 1480 changes |= PRIVATE_FLAGS_CHANGED; 1481 } 1482 if (softInputMode != o.softInputMode) { 1483 softInputMode = o.softInputMode; 1484 changes |= SOFT_INPUT_MODE_CHANGED; 1485 } 1486 if (gravity != o.gravity) { 1487 gravity = o.gravity; 1488 changes |= LAYOUT_CHANGED; 1489 } 1490 if (format != o.format) { 1491 format = o.format; 1492 changes |= FORMAT_CHANGED; 1493 } 1494 if (windowAnimations != o.windowAnimations) { 1495 windowAnimations = o.windowAnimations; 1496 changes |= ANIMATION_CHANGED; 1497 } 1498 if (token == null) { 1499 // NOTE: token only copied if the recipient doesn't 1500 // already have one. 1501 token = o.token; 1502 } 1503 if (packageName == null) { 1504 // NOTE: packageName only copied if the recipient doesn't 1505 // already have one. 1506 packageName = o.packageName; 1507 } 1508 if (!mTitle.equals(o.mTitle)) { 1509 mTitle = o.mTitle; 1510 changes |= TITLE_CHANGED; 1511 } 1512 if (alpha != o.alpha) { 1513 alpha = o.alpha; 1514 changes |= ALPHA_CHANGED; 1515 } 1516 if (dimAmount != o.dimAmount) { 1517 dimAmount = o.dimAmount; 1518 changes |= DIM_AMOUNT_CHANGED; 1519 } 1520 if (screenBrightness != o.screenBrightness) { 1521 screenBrightness = o.screenBrightness; 1522 changes |= SCREEN_BRIGHTNESS_CHANGED; 1523 } 1524 if (buttonBrightness != o.buttonBrightness) { 1525 buttonBrightness = o.buttonBrightness; 1526 changes |= BUTTON_BRIGHTNESS_CHANGED; 1527 } 1528 1529 if (screenOrientation != o.screenOrientation) { 1530 screenOrientation = o.screenOrientation; 1531 changes |= SCREEN_ORIENTATION_CHANGED; 1532 } 1533 1534 if (systemUiVisibility != o.systemUiVisibility 1535 || subtreeSystemUiVisibility != o.subtreeSystemUiVisibility) { 1536 systemUiVisibility = o.systemUiVisibility; 1537 subtreeSystemUiVisibility = o.subtreeSystemUiVisibility; 1538 changes |= SYSTEM_UI_VISIBILITY_CHANGED; 1539 } 1540 1541 if (hasSystemUiListeners != o.hasSystemUiListeners) { 1542 hasSystemUiListeners = o.hasSystemUiListeners; 1543 changes |= SYSTEM_UI_LISTENER_CHANGED; 1544 } 1545 1546 if (inputFeatures != o.inputFeatures) { 1547 inputFeatures = o.inputFeatures; 1548 changes |= INPUT_FEATURES_CHANGED; 1549 } 1550 1551 if (userActivityTimeout != o.userActivityTimeout) { 1552 userActivityTimeout = o.userActivityTimeout; 1553 changes |= USER_ACTIVITY_TIMEOUT_CHANGED; 1554 } 1555 1556 return changes; 1557 } 1558 1559 @Override 1560 public String debug(String output) { 1561 output += "Contents of " + this + ":"; 1562 Log.d("Debug", output); 1563 output = super.debug(""); 1564 Log.d("Debug", output); 1565 Log.d("Debug", ""); 1566 Log.d("Debug", "WindowManager.LayoutParams={title=" + mTitle + "}"); 1567 return ""; 1568 } 1569 1570 @Override 1571 public String toString() { 1572 StringBuilder sb = new StringBuilder(256); 1573 sb.append("WM.LayoutParams{"); 1574 sb.append("("); 1575 sb.append(x); 1576 sb.append(','); 1577 sb.append(y); 1578 sb.append(")("); 1579 sb.append((width== MATCH_PARENT ?"fill":(width==WRAP_CONTENT?"wrap":width))); 1580 sb.append('x'); 1581 sb.append((height== MATCH_PARENT ?"fill":(height==WRAP_CONTENT?"wrap":height))); 1582 sb.append(")"); 1583 if (horizontalMargin != 0) { 1584 sb.append(" hm="); 1585 sb.append(horizontalMargin); 1586 } 1587 if (verticalMargin != 0) { 1588 sb.append(" vm="); 1589 sb.append(verticalMargin); 1590 } 1591 if (gravity != 0) { 1592 sb.append(" gr=#"); 1593 sb.append(Integer.toHexString(gravity)); 1594 } 1595 if (softInputMode != 0) { 1596 sb.append(" sim=#"); 1597 sb.append(Integer.toHexString(softInputMode)); 1598 } 1599 sb.append(" ty="); 1600 sb.append(type); 1601 sb.append(" fl=#"); 1602 sb.append(Integer.toHexString(flags)); 1603 if (privateFlags != 0) { 1604 sb.append(" pfl=0x").append(Integer.toHexString(privateFlags)); 1605 } 1606 if (format != PixelFormat.OPAQUE) { 1607 sb.append(" fmt="); 1608 sb.append(format); 1609 } 1610 if (windowAnimations != 0) { 1611 sb.append(" wanim=0x"); 1612 sb.append(Integer.toHexString(windowAnimations)); 1613 } 1614 if (screenOrientation != ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) { 1615 sb.append(" or="); 1616 sb.append(screenOrientation); 1617 } 1618 if (alpha != 1.0f) { 1619 sb.append(" alpha="); 1620 sb.append(alpha); 1621 } 1622 if (screenBrightness != BRIGHTNESS_OVERRIDE_NONE) { 1623 sb.append(" sbrt="); 1624 sb.append(screenBrightness); 1625 } 1626 if (buttonBrightness != BRIGHTNESS_OVERRIDE_NONE) { 1627 sb.append(" bbrt="); 1628 sb.append(buttonBrightness); 1629 } 1630 if ((flags & FLAG_COMPATIBLE_WINDOW) != 0) { 1631 sb.append(" compatible=true"); 1632 } 1633 if (systemUiVisibility != 0) { 1634 sb.append(" sysui=0x"); 1635 sb.append(Integer.toHexString(systemUiVisibility)); 1636 } 1637 if (subtreeSystemUiVisibility != 0) { 1638 sb.append(" vsysui=0x"); 1639 sb.append(Integer.toHexString(subtreeSystemUiVisibility)); 1640 } 1641 if (hasSystemUiListeners) { 1642 sb.append(" sysuil="); 1643 sb.append(hasSystemUiListeners); 1644 } 1645 if (inputFeatures != 0) { 1646 sb.append(" if=0x").append(Integer.toHexString(inputFeatures)); 1647 } 1648 if (userActivityTimeout >= 0) { 1649 sb.append(" userActivityTimeout=").append(userActivityTimeout); 1650 } 1651 sb.append('}'); 1652 return sb.toString(); 1653 } 1654 1655 /** 1656 * Scale the layout params' coordinates and size. 1657 * @hide 1658 */ 1659 public void scale(float scale) { 1660 x = (int) (x * scale + 0.5f); 1661 y = (int) (y * scale + 0.5f); 1662 if (width > 0) { 1663 width = (int) (width * scale + 0.5f); 1664 } 1665 if (height > 0) { 1666 height = (int) (height * scale + 0.5f); 1667 } 1668 } 1669 1670 /** 1671 * Backup the layout parameters used in compatibility mode. 1672 * @see LayoutParams#restore() 1673 */ 1674 void backup() { 1675 int[] backup = mCompatibilityParamsBackup; 1676 if (backup == null) { 1677 // we backup 4 elements, x, y, width, height 1678 backup = mCompatibilityParamsBackup = new int[4]; 1679 } 1680 backup[0] = x; 1681 backup[1] = y; 1682 backup[2] = width; 1683 backup[3] = height; 1684 } 1685 1686 /** 1687 * Restore the layout params' coordinates, size and gravity 1688 * @see LayoutParams#backup() 1689 */ 1690 void restore() { 1691 int[] backup = mCompatibilityParamsBackup; 1692 if (backup != null) { 1693 x = backup[0]; 1694 y = backup[1]; 1695 width = backup[2]; 1696 height = backup[3]; 1697 } 1698 } 1699 1700 private CharSequence mTitle = ""; 1701 } 1702} 1703