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