WindowManager.java revision 7eec10e6c99c30d5ee061fec08ac89ad4254ac32
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.content.pm.ActivityInfo; 20import android.graphics.PixelFormat; 21import android.os.IBinder; 22import android.os.Parcel; 23import android.os.Parcelable; 24import android.text.TextUtils; 25import android.util.Log; 26 27 28/** 29 * The interface that apps use to talk to the window manager. 30 * <p> 31 * Use <code>Context.getSystemService(Context.WINDOW_SERVICE)</code> to get one of these. 32 * 33 * @see android.content.Context#getSystemService 34 * @see android.content.Context#WINDOW_SERVICE 35 */ 36public interface WindowManager extends ViewManager { 37 /** 38 * Exception that is thrown when trying to add view whose 39 * {@link WindowManager.LayoutParams} {@link WindowManager.LayoutParams#token} 40 * is invalid. 41 */ 42 public static class BadTokenException extends RuntimeException { 43 public BadTokenException() { 44 } 45 46 public BadTokenException(String name) { 47 super(name); 48 } 49 } 50 51 /** 52 * Use this method to get the default Display object. 53 * 54 * @return default Display object 55 */ 56 public Display getDefaultDisplay(); 57 58 /** 59 * Special variation of {@link #removeView} that immediately invokes 60 * the given view hierarchy's {@link View#onDetachedFromWindow() 61 * View.onDetachedFromWindow()} methods before returning. This is not 62 * for normal applications; using it correctly requires great care. 63 * 64 * @param view The view to be removed. 65 */ 66 public void removeViewImmediate(View view); 67 68 /** 69 * Return true if this window manager is configured to request hardware 70 * accelerated windows. This does <em>not</em> guarantee that they will 71 * actually be accelerated, since that depends on the device supporting them. 72 * @hide 73 */ 74 public boolean isHardwareAccelerated(); 75 76 public static class LayoutParams extends ViewGroup.LayoutParams 77 implements Parcelable { 78 /** 79 * X position for this window. With the default gravity it is ignored. 80 * When using {@link Gravity#LEFT} or {@link Gravity#RIGHT} it provides 81 * an offset from the given edge. 82 */ 83 @ViewDebug.ExportedProperty 84 public int x; 85 86 /** 87 * Y position for this window. With the default gravity it is ignored. 88 * When using {@link Gravity#TOP} or {@link Gravity#BOTTOM} it provides 89 * an offset from the given edge. 90 */ 91 @ViewDebug.ExportedProperty 92 public int y; 93 94 /** 95 * Indicates how much of the extra space will be allocated horizontally 96 * to the view associated with these LayoutParams. Specify 0 if the view 97 * should not be stretched. Otherwise the extra pixels will be pro-rated 98 * among all views whose weight is greater than 0. 99 */ 100 @ViewDebug.ExportedProperty 101 public float horizontalWeight; 102 103 /** 104 * Indicates how much of the extra space will be allocated vertically 105 * to the view associated with these LayoutParams. Specify 0 if the view 106 * should not be stretched. Otherwise the extra pixels will be pro-rated 107 * among all views whose weight is greater than 0. 108 */ 109 @ViewDebug.ExportedProperty 110 public float verticalWeight; 111 112 /** 113 * The general type of window. There are three main classes of 114 * window types: 115 * <ul> 116 * <li> <strong>Application windows</strong> (ranging from 117 * {@link #FIRST_APPLICATION_WINDOW} to 118 * {@link #LAST_APPLICATION_WINDOW}) are normal top-level application 119 * windows. For these types of windows, the {@link #token} must be 120 * set to the token of the activity they are a part of (this will 121 * normally be done for you if {@link #token} is null). 122 * <li> <strong>Sub-windows</strong> (ranging from 123 * {@link #FIRST_SUB_WINDOW} to 124 * {@link #LAST_SUB_WINDOW}) are associated with another top-level 125 * window. For these types of windows, the {@link #token} must be 126 * the token of the window it is attached to. 127 * <li> <strong>System windows</strong> (ranging from 128 * {@link #FIRST_SYSTEM_WINDOW} to 129 * {@link #LAST_SYSTEM_WINDOW}) are special types of windows for 130 * use by the system for specific purposes. They should not normally 131 * be used by applications, and a special permission is required 132 * to use them. 133 * </ul> 134 * 135 * @see #TYPE_BASE_APPLICATION 136 * @see #TYPE_APPLICATION 137 * @see #TYPE_APPLICATION_STARTING 138 * @see #TYPE_APPLICATION_PANEL 139 * @see #TYPE_APPLICATION_MEDIA 140 * @see #TYPE_APPLICATION_SUB_PANEL 141 * @see #TYPE_APPLICATION_ATTACHED_DIALOG 142 * @see #TYPE_STATUS_BAR 143 * @see #TYPE_SEARCH_BAR 144 * @see #TYPE_PHONE 145 * @see #TYPE_SYSTEM_ALERT 146 * @see #TYPE_KEYGUARD 147 * @see #TYPE_TOAST 148 * @see #TYPE_SYSTEM_OVERLAY 149 * @see #TYPE_PRIORITY_PHONE 150 * @see #TYPE_STATUS_BAR_PANEL 151 * @see #TYPE_SYSTEM_DIALOG 152 * @see #TYPE_KEYGUARD_DIALOG 153 * @see #TYPE_SYSTEM_ERROR 154 * @see #TYPE_INPUT_METHOD 155 * @see #TYPE_INPUT_METHOD_DIALOG 156 */ 157 @ViewDebug.ExportedProperty(mapping = { 158 @ViewDebug.IntToString(from = TYPE_BASE_APPLICATION, to = "TYPE_BASE_APPLICATION"), 159 @ViewDebug.IntToString(from = TYPE_APPLICATION, to = "TYPE_APPLICATION"), 160 @ViewDebug.IntToString(from = TYPE_APPLICATION_STARTING, to = "TYPE_APPLICATION_STARTING"), 161 @ViewDebug.IntToString(from = TYPE_APPLICATION_PANEL, to = "TYPE_APPLICATION_PANEL"), 162 @ViewDebug.IntToString(from = TYPE_APPLICATION_MEDIA, to = "TYPE_APPLICATION_MEDIA"), 163 @ViewDebug.IntToString(from = TYPE_APPLICATION_SUB_PANEL, to = "TYPE_APPLICATION_SUB_PANEL"), 164 @ViewDebug.IntToString(from = TYPE_APPLICATION_ATTACHED_DIALOG, to = "TYPE_APPLICATION_ATTACHED_DIALOG"), 165 @ViewDebug.IntToString(from = TYPE_STATUS_BAR, to = "TYPE_STATUS_BAR"), 166 @ViewDebug.IntToString(from = TYPE_SEARCH_BAR, to = "TYPE_SEARCH_BAR"), 167 @ViewDebug.IntToString(from = TYPE_PHONE, to = "TYPE_PHONE"), 168 @ViewDebug.IntToString(from = TYPE_SYSTEM_ALERT, to = "TYPE_SYSTEM_ALERT"), 169 @ViewDebug.IntToString(from = TYPE_KEYGUARD, to = "TYPE_KEYGUARD"), 170 @ViewDebug.IntToString(from = TYPE_TOAST, to = "TYPE_TOAST"), 171 @ViewDebug.IntToString(from = TYPE_SYSTEM_OVERLAY, to = "TYPE_SYSTEM_OVERLAY"), 172 @ViewDebug.IntToString(from = TYPE_PRIORITY_PHONE, to = "TYPE_PRIORITY_PHONE"), 173 @ViewDebug.IntToString(from = TYPE_STATUS_BAR_PANEL, to = "TYPE_STATUS_BAR_PANEL"), 174 @ViewDebug.IntToString(from = TYPE_SYSTEM_DIALOG, to = "TYPE_SYSTEM_DIALOG"), 175 @ViewDebug.IntToString(from = TYPE_KEYGUARD_DIALOG, to = "TYPE_KEYGUARD_DIALOG"), 176 @ViewDebug.IntToString(from = TYPE_SYSTEM_ERROR, to = "TYPE_SYSTEM_ERROR"), 177 @ViewDebug.IntToString(from = TYPE_INPUT_METHOD, to = "TYPE_INPUT_METHOD"), 178 @ViewDebug.IntToString(from = TYPE_INPUT_METHOD_DIALOG, to = "TYPE_INPUT_METHOD_DIALOG"), 179 @ViewDebug.IntToString(from = TYPE_SECURE_SYSTEM_OVERLAY, to = "TYPE_SECURE_SYSTEM_OVERLAY") 180 }) 181 public int type; 182 183 /** 184 * Start of window types that represent normal application windows. 185 */ 186 public static final int FIRST_APPLICATION_WINDOW = 1; 187 188 /** 189 * Window type: an application window that serves as the "base" window 190 * of the overall application; all other application windows will 191 * appear on top of it. 192 */ 193 public static final int TYPE_BASE_APPLICATION = 1; 194 195 /** 196 * Window type: a normal application window. The {@link #token} must be 197 * an Activity token identifying who the window belongs to. 198 */ 199 public static final int TYPE_APPLICATION = 2; 200 201 /** 202 * Window type: special application window that is displayed while the 203 * application is starting. Not for use by applications themselves; 204 * this is used by the system to display something until the 205 * application can show its own windows. 206 */ 207 public static final int TYPE_APPLICATION_STARTING = 3; 208 209 /** 210 * End of types of application windows. 211 */ 212 public static final int LAST_APPLICATION_WINDOW = 99; 213 214 /** 215 * Start of types of sub-windows. The {@link #token} of these windows 216 * must be set to the window they are attached to. These types of 217 * windows are kept next to their attached window in Z-order, and their 218 * coordinate space is relative to their attached window. 219 */ 220 public static final int FIRST_SUB_WINDOW = 1000; 221 222 /** 223 * Window type: a panel on top of an application window. These windows 224 * appear on top of their attached window. 225 */ 226 public static final int TYPE_APPLICATION_PANEL = FIRST_SUB_WINDOW; 227 228 /** 229 * Window type: window for showing media (e.g. video). These windows 230 * are displayed behind their attached window. 231 */ 232 public static final int TYPE_APPLICATION_MEDIA = FIRST_SUB_WINDOW+1; 233 234 /** 235 * Window type: a sub-panel on top of an application window. These 236 * windows are displayed on top their attached window and any 237 * {@link #TYPE_APPLICATION_PANEL} panels. 238 */ 239 public static final int TYPE_APPLICATION_SUB_PANEL = FIRST_SUB_WINDOW+2; 240 241 /** Window type: like {@link #TYPE_APPLICATION_PANEL}, but layout 242 * of the window happens as that of a top-level window, <em>not</em> 243 * as a child of its container. 244 */ 245 public static final int TYPE_APPLICATION_ATTACHED_DIALOG = FIRST_SUB_WINDOW+3; 246 247 /** 248 * Window type: window for showing overlays on top of media windows. 249 * These windows are displayed between TYPE_APPLICATION_MEDIA and the 250 * application window. They should be translucent to be useful. This 251 * is a big ugly hack so: 252 * @hide 253 */ 254 public static final int TYPE_APPLICATION_MEDIA_OVERLAY = FIRST_SUB_WINDOW+4; 255 256 /** 257 * End of types of sub-windows. 258 */ 259 public static final int LAST_SUB_WINDOW = 1999; 260 261 /** 262 * Start of system-specific window types. These are not normally 263 * created by applications. 264 */ 265 public static final int FIRST_SYSTEM_WINDOW = 2000; 266 267 /** 268 * Window type: the status bar. There can be only one status bar 269 * window; it is placed at the top of the screen, and all other 270 * windows are shifted down so they are below it. 271 */ 272 public static final int TYPE_STATUS_BAR = FIRST_SYSTEM_WINDOW; 273 274 /** 275 * Window type: the search bar. There can be only one search bar 276 * window; it is placed at the top of the screen. 277 */ 278 public static final int TYPE_SEARCH_BAR = FIRST_SYSTEM_WINDOW+1; 279 280 /** 281 * Window type: phone. These are non-application windows providing 282 * user interaction with the phone (in particular incoming calls). 283 * These windows are normally placed above all applications, but behind 284 * the status bar. 285 */ 286 public static final int TYPE_PHONE = FIRST_SYSTEM_WINDOW+2; 287 288 /** 289 * Window type: system window, such as low power alert. These windows 290 * are always on top of application windows. 291 */ 292 public static final int TYPE_SYSTEM_ALERT = FIRST_SYSTEM_WINDOW+3; 293 294 /** 295 * Window type: keyguard window. 296 */ 297 public static final int TYPE_KEYGUARD = FIRST_SYSTEM_WINDOW+4; 298 299 /** 300 * Window type: transient notifications. 301 */ 302 public static final int TYPE_TOAST = FIRST_SYSTEM_WINDOW+5; 303 304 /** 305 * Window type: system overlay windows, which need to be displayed 306 * on top of everything else. These windows must not take input 307 * focus, or they will interfere with the keyguard. 308 */ 309 public static final int TYPE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+6; 310 311 /** 312 * Window type: priority phone UI, which needs to be displayed even if 313 * the keyguard is active. These windows must not take input 314 * focus, or they will interfere with the keyguard. 315 */ 316 public static final int TYPE_PRIORITY_PHONE = FIRST_SYSTEM_WINDOW+7; 317 318 /** 319 * Window type: panel that slides out from the status bar 320 */ 321 public static final int TYPE_SYSTEM_DIALOG = FIRST_SYSTEM_WINDOW+8; 322 323 /** 324 * Window type: dialogs that the keyguard shows 325 */ 326 public static final int TYPE_KEYGUARD_DIALOG = FIRST_SYSTEM_WINDOW+9; 327 328 /** 329 * Window type: internal system error windows, appear on top of 330 * everything they can. 331 */ 332 public static final int TYPE_SYSTEM_ERROR = FIRST_SYSTEM_WINDOW+10; 333 334 /** 335 * Window type: internal input methods windows, which appear above 336 * the normal UI. Application windows may be resized or panned to keep 337 * the input focus visible while this window is displayed. 338 */ 339 public static final int TYPE_INPUT_METHOD = FIRST_SYSTEM_WINDOW+11; 340 341 /** 342 * Window type: internal input methods dialog windows, which appear above 343 * the current input method window. 344 */ 345 public static final int TYPE_INPUT_METHOD_DIALOG= FIRST_SYSTEM_WINDOW+12; 346 347 /** 348 * Window type: wallpaper window, placed behind any window that wants 349 * to sit on top of the wallpaper. 350 */ 351 public static final int TYPE_WALLPAPER = FIRST_SYSTEM_WINDOW+13; 352 353 /** 354 * Window type: panel that slides out from the status bar 355 */ 356 public static final int TYPE_STATUS_BAR_PANEL = FIRST_SYSTEM_WINDOW+14; 357 358 /** 359 * Window type: secure system overlay windows, which need to be displayed 360 * on top of everything else. These windows must not take input 361 * focus, or they will interfere with the keyguard. 362 * 363 * This is exactly like {@link #TYPE_SYSTEM_OVERLAY} except that only the 364 * system itself is allowed to create these overlays. Applications cannot 365 * obtain permission to create secure system overlays. 366 * @hide 367 */ 368 public static final int TYPE_SECURE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+15; 369 370 /** 371 * Window type: the drag-and-drop pseudowindow. There is only one 372 * drag layer (at most), and it is placed on top of all other windows. 373 * @hide 374 */ 375 public static final int TYPE_DRAG = FIRST_SYSTEM_WINDOW+16; 376 377 /** 378 * End of types of system windows. 379 */ 380 public static final int LAST_SYSTEM_WINDOW = 2999; 381 382 /** 383 * Specifies what type of memory buffers should be used by this window. 384 * Default is normal. 385 * 386 * @see #MEMORY_TYPE_NORMAL 387 * @see #MEMORY_TYPE_PUSH_BUFFERS 388 */ 389 public int memoryType; 390 391 /** Memory type: The window's surface is allocated in main memory. */ 392 public static final int MEMORY_TYPE_NORMAL = 0; 393 /** Memory type: The window's surface is configured to be accessible 394 * by DMA engines and hardware accelerators. 395 * @deprecated this is ignored, this value is set automatically when needed. 396 */ 397 @Deprecated 398 public static final int MEMORY_TYPE_HARDWARE = 1; 399 /** Memory type: The window's surface is configured to be accessible 400 * by graphics accelerators. 401 * @deprecated this is ignored, this value is set automatically when needed. 402 */ 403 @Deprecated 404 public static final int MEMORY_TYPE_GPU = 2; 405 /** Memory type: The window's surface doesn't own its buffers and 406 * therefore cannot be locked. Instead the buffers are pushed to 407 * it through native binder calls. */ 408 public static final int MEMORY_TYPE_PUSH_BUFFERS = 3; 409 410 /** 411 * Various behavioral options/flags. Default is none. 412 * 413 * @see #FLAG_BLUR_BEHIND 414 * @see #FLAG_DIM_BEHIND 415 * @see #FLAG_NOT_FOCUSABLE 416 * @see #FLAG_NOT_TOUCHABLE 417 * @see #FLAG_NOT_TOUCH_MODAL 418 * @see #FLAG_LAYOUT_IN_SCREEN 419 * @see #FLAG_DITHER 420 * @see #FLAG_KEEP_SCREEN_ON 421 * @see #FLAG_FULLSCREEN 422 * @see #FLAG_FORCE_NOT_FULLSCREEN 423 * @see #FLAG_IGNORE_CHEEK_PRESSES 424 * @see #FLAG_HARDWARE_ACCELERATED 425 */ 426 @ViewDebug.ExportedProperty(flagMapping = { 427 @ViewDebug.FlagToString(mask = FLAG_BLUR_BEHIND, equals = FLAG_BLUR_BEHIND, 428 name = "FLAG_BLUR_BEHIND"), 429 @ViewDebug.FlagToString(mask = FLAG_DIM_BEHIND, equals = FLAG_DIM_BEHIND, 430 name = "FLAG_DIM_BEHIND"), 431 @ViewDebug.FlagToString(mask = FLAG_NOT_FOCUSABLE, equals = FLAG_NOT_FOCUSABLE, 432 name = "FLAG_NOT_FOCUSABLE"), 433 @ViewDebug.FlagToString(mask = FLAG_NOT_TOUCHABLE, equals = FLAG_NOT_TOUCHABLE, 434 name = "FLAG_NOT_TOUCHABLE"), 435 @ViewDebug.FlagToString(mask = FLAG_NOT_TOUCH_MODAL, equals = FLAG_NOT_TOUCH_MODAL, 436 name = "FLAG_NOT_TOUCH_MODAL"), 437 @ViewDebug.FlagToString(mask = FLAG_LAYOUT_IN_SCREEN, equals = FLAG_LAYOUT_IN_SCREEN, 438 name = "FLAG_LAYOUT_IN_SCREEN"), 439 @ViewDebug.FlagToString(mask = FLAG_DITHER, equals = FLAG_DITHER, 440 name = "FLAG_DITHER"), 441 @ViewDebug.FlagToString(mask = FLAG_TURN_SCREEN_ON, equals = FLAG_TURN_SCREEN_ON, 442 name = "FLAG_TURN_SCREEN_ON"), 443 @ViewDebug.FlagToString(mask = FLAG_KEEP_SCREEN_ON, equals = FLAG_KEEP_SCREEN_ON, 444 name = "FLAG_KEEP_SCREEN_ON"), 445 @ViewDebug.FlagToString(mask = FLAG_SHOW_WHEN_LOCKED, equals = FLAG_SHOW_WHEN_LOCKED, 446 name = "FLAG_SHOW_WHEN_LOCKED"), 447 @ViewDebug.FlagToString(mask = FLAG_ALLOW_LOCK_WHILE_SCREEN_ON, equals = FLAG_ALLOW_LOCK_WHILE_SCREEN_ON, 448 name = "FLAG_ALLOW_LOCK_WHILE_SCREEN_ON"), 449 @ViewDebug.FlagToString(mask = FLAG_DISMISS_KEYGUARD, equals = FLAG_DISMISS_KEYGUARD, 450 name = "FLAG_DISMISS_KEYGUARD"), 451 @ViewDebug.FlagToString(mask = FLAG_FULLSCREEN, equals = FLAG_FULLSCREEN, 452 name = "FLAG_FULLSCREEN"), 453 @ViewDebug.FlagToString(mask = FLAG_FORCE_NOT_FULLSCREEN, 454 equals = FLAG_FORCE_NOT_FULLSCREEN, name = "FLAG_FORCE_NOT_FULLSCREEN"), 455 @ViewDebug.FlagToString(mask = FLAG_IGNORE_CHEEK_PRESSES, 456 equals = FLAG_IGNORE_CHEEK_PRESSES, name = "FLAG_IGNORE_CHEEK_PRESSES"), 457 @ViewDebug.FlagToString(mask = FLAG_HARDWARE_ACCELERATED, 458 equals = FLAG_HARDWARE_ACCELERATED, name = "FLAG_HARDWARE_ACCELERATED") 459 }) 460 public int flags; 461 462 /** Window flag: as long as this window is visible to the user, allow 463 * the lock screen to activate while the screen is on. 464 * This can be used independently, or in combination with 465 * {@link #FLAG_KEEP_SCREEN_ON} and/or {@link #FLAG_SHOW_WHEN_LOCKED} */ 466 public static final int FLAG_ALLOW_LOCK_WHILE_SCREEN_ON = 0x00000001; 467 468 /** Window flag: everything behind this window will be dimmed. 469 * Use {@link #dimAmount} to control the amount of dim. */ 470 public static final int FLAG_DIM_BEHIND = 0x00000002; 471 472 /** Window flag: blur everything behind this window. */ 473 public static final int FLAG_BLUR_BEHIND = 0x00000004; 474 475 /** Window flag: this window won't ever get key input focus, so the 476 * user can not send key or other button events to it. Those will 477 * instead go to whatever focusable window is behind it. This flag 478 * will also enable {@link #FLAG_NOT_TOUCH_MODAL} whether or not that 479 * is explicitly set. 480 * 481 * <p>Setting this flag also implies that the window will not need to 482 * interact with 483 * a soft input method, so it will be Z-ordered and positioned 484 * independently of any active input method (typically this means it 485 * gets Z-ordered on top of the input method, so it can use the full 486 * screen for its content and cover the input method if needed. You 487 * can use {@link #FLAG_ALT_FOCUSABLE_IM} to modify this behavior. */ 488 public static final int FLAG_NOT_FOCUSABLE = 0x00000008; 489 490 /** Window flag: this window can never receive touch events. */ 491 public static final int FLAG_NOT_TOUCHABLE = 0x00000010; 492 493 /** Window flag: Even when this window is focusable (its 494 * {@link #FLAG_NOT_FOCUSABLE is not set), allow any pointer events 495 * outside of the window to be sent to the windows behind it. Otherwise 496 * it will consume all pointer events itself, regardless of whether they 497 * are inside of the window. */ 498 public static final int FLAG_NOT_TOUCH_MODAL = 0x00000020; 499 500 /** Window flag: When set, if the device is asleep when the touch 501 * screen is pressed, you will receive this first touch event. Usually 502 * the first touch event is consumed by the system since the user can 503 * not see what they are pressing on. 504 */ 505 public static final int FLAG_TOUCHABLE_WHEN_WAKING = 0x00000040; 506 507 /** Window flag: as long as this window is visible to the user, keep 508 * the device's screen turned on and bright. */ 509 public static final int FLAG_KEEP_SCREEN_ON = 0x00000080; 510 511 /** Window flag: place the window within the entire screen, ignoring 512 * decorations around the border (a.k.a. the status bar). The 513 * window must correctly position its contents to take the screen 514 * decoration into account. This flag is normally set for you 515 * by Window as described in {@link Window#setFlags}. */ 516 public static final int FLAG_LAYOUT_IN_SCREEN = 0x00000100; 517 518 /** Window flag: allow window to extend outside of the screen. */ 519 public static final int FLAG_LAYOUT_NO_LIMITS = 0x00000200; 520 521 /** Window flag: Hide all screen decorations (e.g. status bar) while 522 * this window is displayed. This allows the window to use the entire 523 * display space for itself -- the status bar will be hidden when 524 * an app window with this flag set is on the top layer. */ 525 public static final int FLAG_FULLSCREEN = 0x00000400; 526 527 /** Window flag: Override {@link #FLAG_FULLSCREEN and force the 528 * screen decorations (such as status bar) to be shown. */ 529 public static final int FLAG_FORCE_NOT_FULLSCREEN = 0x00000800; 530 531 /** Window flag: turn on dithering when compositing this window to 532 * the screen. */ 533 public static final int FLAG_DITHER = 0x00001000; 534 535 /** Window flag: don't allow screen shots while this window is 536 * displayed. */ 537 public static final int FLAG_SECURE = 0x00002000; 538 539 /** Window flag: a special mode where the layout parameters are used 540 * to perform scaling of the surface when it is composited to the 541 * screen. */ 542 public static final int FLAG_SCALED = 0x00004000; 543 544 /** Window flag: intended for windows that will often be used when the user is 545 * holding the screen against their face, it will aggressively filter the event 546 * stream to prevent unintended presses in this situation that may not be 547 * desired for a particular window, when such an event stream is detected, the 548 * application will receive a CANCEL motion event to indicate this so applications 549 * can handle this accordingly by taking no action on the event 550 * until the finger is released. */ 551 public static final int FLAG_IGNORE_CHEEK_PRESSES = 0x00008000; 552 553 /** Window flag: a special option only for use in combination with 554 * {@link #FLAG_LAYOUT_IN_SCREEN}. When requesting layout in the 555 * screen your window may appear on top of or behind screen decorations 556 * such as the status bar. By also including this flag, the window 557 * manager will report the inset rectangle needed to ensure your 558 * content is not covered by screen decorations. This flag is normally 559 * set for you by Window as described in {@link Window#setFlags}.*/ 560 public static final int FLAG_LAYOUT_INSET_DECOR = 0x00010000; 561 562 /** Window flag: invert the state of {@link #FLAG_NOT_FOCUSABLE} with 563 * respect to how this window interacts with the current method. That 564 * is, if FLAG_NOT_FOCUSABLE is set and this flag is set, then the 565 * window will behave as if it needs to interact with the input method 566 * and thus be placed behind/away from it; if FLAG_NOT_FOCUSABLE is 567 * not set and this flag is set, then the window will behave as if it 568 * doesn't need to interact with the input method and can be placed 569 * to use more space and cover the input method. 570 */ 571 public static final int FLAG_ALT_FOCUSABLE_IM = 0x00020000; 572 573 /** Window flag: if you have set {@link #FLAG_NOT_TOUCH_MODAL}, you 574 * can set this flag to receive a single special MotionEvent with 575 * the action 576 * {@link MotionEvent#ACTION_OUTSIDE MotionEvent.ACTION_OUTSIDE} for 577 * touches that occur outside of your window. Note that you will not 578 * receive the full down/move/up gesture, only the location of the 579 * first down as an ACTION_OUTSIDE. 580 */ 581 public static final int FLAG_WATCH_OUTSIDE_TOUCH = 0x00040000; 582 583 /** Window flag: special flag to let windows be shown when the screen 584 * is locked. This will let application windows take precedence over 585 * key guard or any other lock screens. Can be used with 586 * {@link #FLAG_KEEP_SCREEN_ON} to turn screen on and display windows 587 * directly before showing the key guard window. Can be used with 588 * {@link #FLAG_DISMISS_KEYGUARD} to automatically fully dismisss 589 * non-secure keyguards. This flag only applies to the top-most 590 * full-screen window. 591 */ 592 public static final int FLAG_SHOW_WHEN_LOCKED = 0x00080000; 593 594 /** Window flag: ask that the system wallpaper be shown behind 595 * your window. The window surface must be translucent to be able 596 * to actually see the wallpaper behind it; this flag just ensures 597 * that the wallpaper surface will be there if this window actually 598 * has translucent regions. 599 */ 600 public static final int FLAG_SHOW_WALLPAPER = 0x00100000; 601 602 /** Window flag: when set as a window is being added or made 603 * visible, once the window has been shown then the system will 604 * poke the power manager's user activity (as if the user had woken 605 * up the device) to turn the screen on. */ 606 public static final int FLAG_TURN_SCREEN_ON = 0x00200000; 607 608 /** Window flag: when set the window will cause the keyguard to 609 * be dismissed, only if it is not a secure lock keyguard. Because such 610 * a keyguard is not needed for security, it will never re-appear if 611 * the user navigates to another window (in contrast to 612 * {@link #FLAG_SHOW_WHEN_LOCKED}, which will only temporarily 613 * hide both secure and non-secure keyguards but ensure they reappear 614 * when the user moves to another UI that doesn't hide them). 615 * If the keyguard is currently active and is secure (requires an 616 * unlock pattern) than the user will still need to confirm it before 617 * seeing this window, unless {@link #FLAG_SHOW_WHEN_LOCKED} has 618 * also been set. 619 */ 620 public static final int FLAG_DISMISS_KEYGUARD = 0x00400000; 621 622 /** Window flag: when set the window will accept for touch events 623 * outside of its bounds to be sent to other windows that also 624 * support split touch. When this flag is not set, the first pointer 625 * that goes down determines the window to which all subsequent touches 626 * go until all pointers go up. When this flag is set, each pointer 627 * (not necessarily the first) that goes down determines the window 628 * to which all subsequent touches of that pointer will go until that 629 * pointer goes up thereby enabling touches with multiple pointers 630 * to be split across multiple windows. 631 * 632 * {@hide} */ 633 public static final int FLAG_SPLIT_TOUCH = 0x00800000; 634 635 /** 636 * Flag for a window belonging to an activity that responds to {@link KeyEvent#KEYCODE_MENU} 637 * and therefore needs a Menu key. For devices where Menu is a physical button this flag is 638 * ignored, but on devices where the Menu key is drawn in software it may be hidden unless 639 * this flag is set. 640 * 641 * (Note that Action Bars, when available, are the preferred way to offer additional 642 * functions otherwise accessed via an options menu.) 643 * 644 * {@hide} 645 */ 646 public static final int FLAG_NEEDS_MENU_KEY = 0x01000000; 647 648 /** Window flag: *sigh* The lock screen wants to continue running its 649 * animation while it is fading. A kind-of hack to allow this. Maybe 650 * in the future we just make this the default behavior. 651 * 652 * {@hide} */ 653 public static final int FLAG_KEEP_SURFACE_WHILE_ANIMATING = 0x10000000; 654 655 /** Window flag: special flag to limit the size of the window to be 656 * original size ([320x480] x density). Used to create window for applications 657 * running under compatibility mode. 658 * 659 * {@hide} */ 660 public static final int FLAG_COMPATIBLE_WINDOW = 0x20000000; 661 662 /** Window flag: a special option intended for system dialogs. When 663 * this flag is set, the window will demand focus unconditionally when 664 * it is created. 665 * {@hide} */ 666 public static final int FLAG_SYSTEM_ERROR = 0x40000000; 667 668 /** 669 * Indicates whether this window should be hardware accelerated. 670 * Requesting hardware acceleration does not guarantee it will happen. 671 */ 672 public static final int FLAG_HARDWARE_ACCELERATED = 0x80000000; 673 674 /** 675 * Given a particular set of window manager flags, determine whether 676 * such a window may be a target for an input method when it has 677 * focus. In particular, this checks the 678 * {@link #FLAG_NOT_FOCUSABLE} and {@link #FLAG_ALT_FOCUSABLE_IM} 679 * flags and returns true if the combination of the two corresponds 680 * to a window that needs to be behind the input method so that the 681 * user can type into it. 682 * 683 * @param flags The current window manager flags. 684 * 685 * @return Returns true if such a window should be behind/interact 686 * with an input method, false if not. 687 */ 688 public static boolean mayUseInputMethod(int flags) { 689 switch (flags&(FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM)) { 690 case 0: 691 case FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM: 692 return true; 693 } 694 return false; 695 } 696 697 /** 698 * Mask for {@link #softInputMode} of the bits that determine the 699 * desired visibility state of the soft input area for this window. 700 */ 701 public static final int SOFT_INPUT_MASK_STATE = 0x0f; 702 703 /** 704 * Visibility state for {@link #softInputMode}: no state has been specified. 705 */ 706 public static final int SOFT_INPUT_STATE_UNSPECIFIED = 0; 707 708 /** 709 * Visibility state for {@link #softInputMode}: please don't change the state of 710 * the soft input area. 711 */ 712 public static final int SOFT_INPUT_STATE_UNCHANGED = 1; 713 714 /** 715 * Visibility state for {@link #softInputMode}: please hide any soft input 716 * area when normally appropriate (when the user is navigating 717 * forward to your window). 718 */ 719 public static final int SOFT_INPUT_STATE_HIDDEN = 2; 720 721 /** 722 * Visibility state for {@link #softInputMode}: please always hide any 723 * soft input area when this window receives focus. 724 */ 725 public static final int SOFT_INPUT_STATE_ALWAYS_HIDDEN = 3; 726 727 /** 728 * Visibility state for {@link #softInputMode}: please show the soft 729 * input area when normally appropriate (when the user is navigating 730 * forward to your window). 731 */ 732 public static final int SOFT_INPUT_STATE_VISIBLE = 4; 733 734 /** 735 * Visibility state for {@link #softInputMode}: please always make the 736 * soft input area visible when this window receives input focus. 737 */ 738 public static final int SOFT_INPUT_STATE_ALWAYS_VISIBLE = 5; 739 740 /** 741 * Mask for {@link #softInputMode} of the bits that determine the 742 * way that the window should be adjusted to accommodate the soft 743 * input window. 744 */ 745 public static final int SOFT_INPUT_MASK_ADJUST = 0xf0; 746 747 /** Adjustment option for {@link #softInputMode}: nothing specified. 748 * The system will try to pick one or 749 * the other depending on the contents of the window. 750 */ 751 public static final int SOFT_INPUT_ADJUST_UNSPECIFIED = 0x00; 752 753 /** Adjustment option for {@link #softInputMode}: set to allow the 754 * window to be resized when an input 755 * method is shown, so that its contents are not covered by the input 756 * method. This can <em>not</em> be combined with 757 * {@link #SOFT_INPUT_ADJUST_PAN}; if 758 * neither of these are set, then the system will try to pick one or 759 * the other depending on the contents of the window. 760 */ 761 public static final int SOFT_INPUT_ADJUST_RESIZE = 0x10; 762 763 /** Adjustment option for {@link #softInputMode}: set to have a window 764 * pan when an input method is 765 * shown, so it doesn't need to deal with resizing but just panned 766 * by the framework to ensure the current input focus is visible. This 767 * can <em>not</em> be combined with {@link #SOFT_INPUT_ADJUST_RESIZE}; if 768 * neither of these are set, then the system will try to pick one or 769 * the other depending on the contents of the window. 770 */ 771 public static final int SOFT_INPUT_ADJUST_PAN = 0x20; 772 773 /** Adjustment option for {@link #softInputMode}: set to have a window 774 * not adjust for a shown input method. The window will not be resized, 775 * and it will not be panned to make its focus visible. 776 */ 777 public static final int SOFT_INPUT_ADJUST_NOTHING = 0x30; 778 779 /** 780 * Bit for {@link #softInputMode}: set when the user has navigated 781 * forward to the window. This is normally set automatically for 782 * you by the system, though you may want to set it in certain cases 783 * when you are displaying a window yourself. This flag will always 784 * be cleared automatically after the window is displayed. 785 */ 786 public static final int SOFT_INPUT_IS_FORWARD_NAVIGATION = 0x100; 787 788 /** 789 * Desired operating mode for any soft input area. May any combination 790 * of: 791 * 792 * <ul> 793 * <li> One of the visibility states 794 * {@link #SOFT_INPUT_STATE_UNSPECIFIED}, {@link #SOFT_INPUT_STATE_UNCHANGED}, 795 * {@link #SOFT_INPUT_STATE_HIDDEN}, {@link #SOFT_INPUT_STATE_ALWAYS_VISIBLE}, or 796 * {@link #SOFT_INPUT_STATE_VISIBLE}. 797 * <li> One of the adjustment options 798 * {@link #SOFT_INPUT_ADJUST_UNSPECIFIED}, 799 * {@link #SOFT_INPUT_ADJUST_RESIZE}, or 800 * {@link #SOFT_INPUT_ADJUST_PAN}. 801 */ 802 public int softInputMode; 803 804 /** 805 * Placement of window within the screen as per {@link Gravity}. Both 806 * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int, 807 * android.graphics.Rect) Gravity.apply} and 808 * {@link Gravity#applyDisplay(int, android.graphics.Rect, android.graphics.Rect) 809 * Gravity.applyDisplay} are used during window layout, with this value 810 * given as the desired gravity. For example you can specify 811 * {@link Gravity#DISPLAY_CLIP_HORIZONTAL Gravity.DISPLAY_CLIP_HORIZONTAL} and 812 * {@link Gravity#DISPLAY_CLIP_VERTICAL Gravity.DISPLAY_CLIP_VERTICAL} here 813 * to control the behavior of 814 * {@link Gravity#applyDisplay(int, android.graphics.Rect, android.graphics.Rect) 815 * Gravity.applyDisplay}. 816 * 817 * @see Gravity 818 */ 819 public int gravity; 820 821 /** 822 * The horizontal margin, as a percentage of the container's width, 823 * between the container and the widget. See 824 * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int, 825 * android.graphics.Rect) Gravity.apply} for how this is used. This 826 * field is added with {@link #x} to supply the <var>xAdj</var> parameter. 827 */ 828 public float horizontalMargin; 829 830 /** 831 * The vertical margin, as a percentage of the container's height, 832 * between the container and the widget. See 833 * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int, 834 * android.graphics.Rect) Gravity.apply} for how this is used. This 835 * field is added with {@link #y} to supply the <var>yAdj</var> parameter. 836 */ 837 public float verticalMargin; 838 839 /** 840 * The desired bitmap format. May be one of the constants in 841 * {@link android.graphics.PixelFormat}. Default is OPAQUE. 842 */ 843 public int format; 844 845 /** 846 * A style resource defining the animations to use for this window. 847 * This must be a system resource; it can not be an application resource 848 * because the window manager does not have access to applications. 849 */ 850 public int windowAnimations; 851 852 /** 853 * An alpha value to apply to this entire window. 854 * An alpha of 1.0 means fully opaque and 0.0 means fully transparent 855 */ 856 public float alpha = 1.0f; 857 858 /** 859 * When {@link #FLAG_DIM_BEHIND} is set, this is the amount of dimming 860 * to apply. Range is from 1.0 for completely opaque to 0.0 for no 861 * dim. 862 */ 863 public float dimAmount = 1.0f; 864 865 /** 866 * Default value for {@link #screenBrightness} and {@link #buttonBrightness} 867 * indicating that the brightness value is not overridden for this window 868 * and normal brightness policy should be used. 869 */ 870 public static final float BRIGHTNESS_OVERRIDE_NONE = -1.0f; 871 872 /** 873 * Value for {@link #screenBrightness} and {@link #buttonBrightness} 874 * indicating that the screen or button backlight brightness should be set 875 * to the lowest value when this window is in front. 876 */ 877 public static final float BRIGHTNESS_OVERRIDE_OFF = 0.0f; 878 879 /** 880 * Value for {@link #screenBrightness} and {@link #buttonBrightness} 881 * indicating that the screen or button backlight brightness should be set 882 * to the hightest value when this window is in front. 883 */ 884 public static final float BRIGHTNESS_OVERRIDE_FULL = 1.0f; 885 886 /** 887 * This can be used to override the user's preferred brightness of 888 * the screen. A value of less than 0, the default, means to use the 889 * preferred screen brightness. 0 to 1 adjusts the brightness from 890 * dark to full bright. 891 */ 892 public float screenBrightness = BRIGHTNESS_OVERRIDE_NONE; 893 894 /** 895 * This can be used to override the standard behavior of the button and 896 * keyboard backlights. A value of less than 0, the default, means to 897 * use the standard backlight behavior. 0 to 1 adjusts the brightness 898 * from dark to full bright. 899 */ 900 public float buttonBrightness = BRIGHTNESS_OVERRIDE_NONE; 901 902 /** 903 * Identifier for this window. This will usually be filled in for 904 * you. 905 */ 906 public IBinder token = null; 907 908 /** 909 * Name of the package owning this window. 910 */ 911 public String packageName = null; 912 913 /** 914 * Specific orientation value for a window. 915 * May be any of the same values allowed 916 * for {@link android.content.pm.ActivityInfo#screenOrientation}. 917 * If not set, a default value of 918 * {@link android.content.pm.ActivityInfo#SCREEN_ORIENTATION_UNSPECIFIED} 919 * will be used. 920 */ 921 public int screenOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; 922 923 924 public LayoutParams() { 925 super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 926 type = TYPE_APPLICATION; 927 format = PixelFormat.OPAQUE; 928 } 929 930 public LayoutParams(int _type) { 931 super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 932 type = _type; 933 format = PixelFormat.OPAQUE; 934 } 935 936 public LayoutParams(int _type, int _flags) { 937 super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 938 type = _type; 939 flags = _flags; 940 format = PixelFormat.OPAQUE; 941 } 942 943 public LayoutParams(int _type, int _flags, int _format) { 944 super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 945 type = _type; 946 flags = _flags; 947 format = _format; 948 } 949 950 public LayoutParams(int w, int h, int _type, int _flags, int _format) { 951 super(w, h); 952 type = _type; 953 flags = _flags; 954 format = _format; 955 } 956 957 public LayoutParams(int w, int h, int xpos, int ypos, int _type, 958 int _flags, int _format) { 959 super(w, h); 960 x = xpos; 961 y = ypos; 962 type = _type; 963 flags = _flags; 964 format = _format; 965 } 966 967 public final void setTitle(CharSequence title) { 968 if (null == title) 969 title = ""; 970 971 mTitle = TextUtils.stringOrSpannedString(title); 972 } 973 974 public final CharSequence getTitle() { 975 return mTitle; 976 } 977 978 public int describeContents() { 979 return 0; 980 } 981 982 public void writeToParcel(Parcel out, int parcelableFlags) { 983 out.writeInt(width); 984 out.writeInt(height); 985 out.writeInt(x); 986 out.writeInt(y); 987 out.writeInt(type); 988 out.writeInt(memoryType); 989 out.writeInt(flags); 990 out.writeInt(softInputMode); 991 out.writeInt(gravity); 992 out.writeFloat(horizontalMargin); 993 out.writeFloat(verticalMargin); 994 out.writeInt(format); 995 out.writeInt(windowAnimations); 996 out.writeFloat(alpha); 997 out.writeFloat(dimAmount); 998 out.writeFloat(screenBrightness); 999 out.writeFloat(buttonBrightness); 1000 out.writeStrongBinder(token); 1001 out.writeString(packageName); 1002 TextUtils.writeToParcel(mTitle, out, parcelableFlags); 1003 out.writeInt(screenOrientation); 1004 } 1005 1006 public static final Parcelable.Creator<LayoutParams> CREATOR 1007 = new Parcelable.Creator<LayoutParams>() { 1008 public LayoutParams createFromParcel(Parcel in) { 1009 return new LayoutParams(in); 1010 } 1011 1012 public LayoutParams[] newArray(int size) { 1013 return new LayoutParams[size]; 1014 } 1015 }; 1016 1017 1018 public LayoutParams(Parcel in) { 1019 width = in.readInt(); 1020 height = in.readInt(); 1021 x = in.readInt(); 1022 y = in.readInt(); 1023 type = in.readInt(); 1024 memoryType = in.readInt(); 1025 flags = in.readInt(); 1026 softInputMode = in.readInt(); 1027 gravity = in.readInt(); 1028 horizontalMargin = in.readFloat(); 1029 verticalMargin = in.readFloat(); 1030 format = in.readInt(); 1031 windowAnimations = in.readInt(); 1032 alpha = in.readFloat(); 1033 dimAmount = in.readFloat(); 1034 screenBrightness = in.readFloat(); 1035 buttonBrightness = in.readFloat(); 1036 token = in.readStrongBinder(); 1037 packageName = in.readString(); 1038 mTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 1039 screenOrientation = in.readInt(); 1040 } 1041 1042 @SuppressWarnings({"PointlessBitwiseExpression"}) 1043 public static final int LAYOUT_CHANGED = 1<<0; 1044 public static final int TYPE_CHANGED = 1<<1; 1045 public static final int FLAGS_CHANGED = 1<<2; 1046 public static final int FORMAT_CHANGED = 1<<3; 1047 public static final int ANIMATION_CHANGED = 1<<4; 1048 public static final int DIM_AMOUNT_CHANGED = 1<<5; 1049 public static final int TITLE_CHANGED = 1<<6; 1050 public static final int ALPHA_CHANGED = 1<<7; 1051 public static final int MEMORY_TYPE_CHANGED = 1<<8; 1052 public static final int SOFT_INPUT_MODE_CHANGED = 1<<9; 1053 public static final int SCREEN_ORIENTATION_CHANGED = 1<<10; 1054 public static final int SCREEN_BRIGHTNESS_CHANGED = 1<<11; 1055 /** {@hide} */ 1056 public static final int BUTTON_BRIGHTNESS_CHANGED = 1<<12; 1057 1058 // internal buffer to backup/restore parameters under compatibility mode. 1059 private int[] mCompatibilityParamsBackup = null; 1060 1061 public final int copyFrom(LayoutParams o) { 1062 int changes = 0; 1063 1064 if (width != o.width) { 1065 width = o.width; 1066 changes |= LAYOUT_CHANGED; 1067 } 1068 if (height != o.height) { 1069 height = o.height; 1070 changes |= LAYOUT_CHANGED; 1071 } 1072 if (x != o.x) { 1073 x = o.x; 1074 changes |= LAYOUT_CHANGED; 1075 } 1076 if (y != o.y) { 1077 y = o.y; 1078 changes |= LAYOUT_CHANGED; 1079 } 1080 if (horizontalWeight != o.horizontalWeight) { 1081 horizontalWeight = o.horizontalWeight; 1082 changes |= LAYOUT_CHANGED; 1083 } 1084 if (verticalWeight != o.verticalWeight) { 1085 verticalWeight = o.verticalWeight; 1086 changes |= LAYOUT_CHANGED; 1087 } 1088 if (horizontalMargin != o.horizontalMargin) { 1089 horizontalMargin = o.horizontalMargin; 1090 changes |= LAYOUT_CHANGED; 1091 } 1092 if (verticalMargin != o.verticalMargin) { 1093 verticalMargin = o.verticalMargin; 1094 changes |= LAYOUT_CHANGED; 1095 } 1096 if (type != o.type) { 1097 type = o.type; 1098 changes |= TYPE_CHANGED; 1099 } 1100 if (memoryType != o.memoryType) { 1101 memoryType = o.memoryType; 1102 changes |= MEMORY_TYPE_CHANGED; 1103 } 1104 if (flags != o.flags) { 1105 flags = o.flags; 1106 changes |= FLAGS_CHANGED; 1107 } 1108 if (softInputMode != o.softInputMode) { 1109 softInputMode = o.softInputMode; 1110 changes |= SOFT_INPUT_MODE_CHANGED; 1111 } 1112 if (gravity != o.gravity) { 1113 gravity = o.gravity; 1114 changes |= LAYOUT_CHANGED; 1115 } 1116 if (horizontalMargin != o.horizontalMargin) { 1117 horizontalMargin = o.horizontalMargin; 1118 changes |= LAYOUT_CHANGED; 1119 } 1120 if (verticalMargin != o.verticalMargin) { 1121 verticalMargin = o.verticalMargin; 1122 changes |= LAYOUT_CHANGED; 1123 } 1124 if (format != o.format) { 1125 format = o.format; 1126 changes |= FORMAT_CHANGED; 1127 } 1128 if (windowAnimations != o.windowAnimations) { 1129 windowAnimations = o.windowAnimations; 1130 changes |= ANIMATION_CHANGED; 1131 } 1132 if (token == null) { 1133 // NOTE: token only copied if the recipient doesn't 1134 // already have one. 1135 token = o.token; 1136 } 1137 if (packageName == null) { 1138 // NOTE: packageName only copied if the recipient doesn't 1139 // already have one. 1140 packageName = o.packageName; 1141 } 1142 if (!mTitle.equals(o.mTitle)) { 1143 mTitle = o.mTitle; 1144 changes |= TITLE_CHANGED; 1145 } 1146 if (alpha != o.alpha) { 1147 alpha = o.alpha; 1148 changes |= ALPHA_CHANGED; 1149 } 1150 if (dimAmount != o.dimAmount) { 1151 dimAmount = o.dimAmount; 1152 changes |= DIM_AMOUNT_CHANGED; 1153 } 1154 if (screenBrightness != o.screenBrightness) { 1155 screenBrightness = o.screenBrightness; 1156 changes |= SCREEN_BRIGHTNESS_CHANGED; 1157 } 1158 if (buttonBrightness != o.buttonBrightness) { 1159 buttonBrightness = o.buttonBrightness; 1160 changes |= BUTTON_BRIGHTNESS_CHANGED; 1161 } 1162 1163 if (screenOrientation != o.screenOrientation) { 1164 screenOrientation = o.screenOrientation; 1165 changes |= SCREEN_ORIENTATION_CHANGED; 1166 } 1167 1168 return changes; 1169 } 1170 1171 @Override 1172 public String debug(String output) { 1173 output += "Contents of " + this + ":"; 1174 Log.d("Debug", output); 1175 output = super.debug(""); 1176 Log.d("Debug", output); 1177 Log.d("Debug", ""); 1178 Log.d("Debug", "WindowManager.LayoutParams={title=" + mTitle + "}"); 1179 return ""; 1180 } 1181 1182 @Override 1183 public String toString() { 1184 StringBuilder sb = new StringBuilder(256); 1185 sb.append("WM.LayoutParams{"); 1186 sb.append("("); 1187 sb.append(x); 1188 sb.append(','); 1189 sb.append(y); 1190 sb.append(")("); 1191 sb.append((width== MATCH_PARENT ?"fill":(width==WRAP_CONTENT?"wrap":width))); 1192 sb.append('x'); 1193 sb.append((height== MATCH_PARENT ?"fill":(height==WRAP_CONTENT?"wrap":height))); 1194 sb.append(")"); 1195 if (horizontalMargin != 0) { 1196 sb.append(" hm="); 1197 sb.append(horizontalMargin); 1198 } 1199 if (verticalMargin != 0) { 1200 sb.append(" vm="); 1201 sb.append(verticalMargin); 1202 } 1203 if (gravity != 0) { 1204 sb.append(" gr=#"); 1205 sb.append(Integer.toHexString(gravity)); 1206 } 1207 if (softInputMode != 0) { 1208 sb.append(" sim=#"); 1209 sb.append(Integer.toHexString(softInputMode)); 1210 } 1211 sb.append(" ty="); 1212 sb.append(type); 1213 sb.append(" fl=#"); 1214 sb.append(Integer.toHexString(flags)); 1215 sb.append(" fmt="); 1216 sb.append(format); 1217 if (windowAnimations != 0) { 1218 sb.append(" wanim=0x"); 1219 sb.append(Integer.toHexString(windowAnimations)); 1220 } 1221 if (screenOrientation != ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) { 1222 sb.append(" or="); 1223 sb.append(screenOrientation); 1224 } 1225 if (alpha != 1.0f) { 1226 sb.append(" alpha="); 1227 sb.append(alpha); 1228 } 1229 if (screenBrightness != BRIGHTNESS_OVERRIDE_NONE) { 1230 sb.append(" sbrt="); 1231 sb.append(screenBrightness); 1232 } 1233 if (buttonBrightness != BRIGHTNESS_OVERRIDE_NONE) { 1234 sb.append(" bbrt="); 1235 sb.append(buttonBrightness); 1236 } 1237 if ((flags & FLAG_COMPATIBLE_WINDOW) != 0) { 1238 sb.append(" compatible=true"); 1239 } 1240 sb.append('}'); 1241 return sb.toString(); 1242 } 1243 1244 /** 1245 * Scale the layout params' coordinates and size. 1246 * @hide 1247 */ 1248 public void scale(float scale) { 1249 x = (int) (x * scale + 0.5f); 1250 y = (int) (y * scale + 0.5f); 1251 if (width > 0) { 1252 width = (int) (width * scale + 0.5f); 1253 } 1254 if (height > 0) { 1255 height = (int) (height * scale + 0.5f); 1256 } 1257 } 1258 1259 /** 1260 * Backup the layout parameters used in compatibility mode. 1261 * @see LayoutParams#restore() 1262 */ 1263 void backup() { 1264 int[] backup = mCompatibilityParamsBackup; 1265 if (backup == null) { 1266 // we backup 4 elements, x, y, width, height 1267 backup = mCompatibilityParamsBackup = new int[4]; 1268 } 1269 backup[0] = x; 1270 backup[1] = y; 1271 backup[2] = width; 1272 backup[3] = height; 1273 } 1274 1275 /** 1276 * Restore the layout params' coordinates, size and gravity 1277 * @see LayoutParams#backup() 1278 */ 1279 void restore() { 1280 int[] backup = mCompatibilityParamsBackup; 1281 if (backup != null) { 1282 x = backup[0]; 1283 y = backup[1]; 1284 width = backup[2]; 1285 height = backup[3]; 1286 } 1287 } 1288 1289 private CharSequence mTitle = ""; 1290 } 1291} 1292