Java tutorial
/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.content.pm; import android.annotation.IntDef; import android.annotation.TestApi; import android.annotation.UnsupportedAppUsage; import android.content.Intent; import android.content.res.Configuration; import android.content.res.Configuration.NativeConfig; import android.content.res.TypedArray; import android.os.Parcel; import android.os.Parcelable; import android.util.Printer; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; /** * Information you can retrieve about a particular application * activity or receiver. This corresponds to information collected * from the AndroidManifest.xml's <activity> and * <receiver> tags. */ public class ActivityInfo extends ComponentInfo implements Parcelable { // NOTE: When adding new data members be sure to update the copy-constructor, Parcel // constructor, and writeToParcel. /** * A style resource identifier (in the package's resources) of this * activity's theme. From the "theme" attribute or, if not set, 0. */ public int theme; /** * Constant corresponding to <code>standard</code> in * the {@link android.R.attr#launchMode} attribute. */ public static final int LAUNCH_MULTIPLE = 0; /** * Constant corresponding to <code>singleTop</code> in * the {@link android.R.attr#launchMode} attribute. */ public static final int LAUNCH_SINGLE_TOP = 1; /** * Constant corresponding to <code>singleTask</code> in * the {@link android.R.attr#launchMode} attribute. */ public static final int LAUNCH_SINGLE_TASK = 2; /** * Constant corresponding to <code>singleInstance</code> in * the {@link android.R.attr#launchMode} attribute. */ public static final int LAUNCH_SINGLE_INSTANCE = 3; /** * The launch mode style requested by the activity. From the * {@link android.R.attr#launchMode} attribute, one of * {@link #LAUNCH_MULTIPLE}, * {@link #LAUNCH_SINGLE_TOP}, {@link #LAUNCH_SINGLE_TASK}, or * {@link #LAUNCH_SINGLE_INSTANCE}. */ public int launchMode; /** * Constant corresponding to <code>none</code> in * the {@link android.R.attr#documentLaunchMode} attribute. */ public static final int DOCUMENT_LAUNCH_NONE = 0; /** * Constant corresponding to <code>intoExisting</code> in * the {@link android.R.attr#documentLaunchMode} attribute. */ public static final int DOCUMENT_LAUNCH_INTO_EXISTING = 1; /** * Constant corresponding to <code>always</code> in * the {@link android.R.attr#documentLaunchMode} attribute. */ public static final int DOCUMENT_LAUNCH_ALWAYS = 2; /** * Constant corresponding to <code>never</code> in * the {@link android.R.attr#documentLaunchMode} attribute. */ public static final int DOCUMENT_LAUNCH_NEVER = 3; /** * The document launch mode style requested by the activity. From the * {@link android.R.attr#documentLaunchMode} attribute, one of * {@link #DOCUMENT_LAUNCH_NONE}, {@link #DOCUMENT_LAUNCH_INTO_EXISTING}, * {@link #DOCUMENT_LAUNCH_ALWAYS}. * * <p>Modes DOCUMENT_LAUNCH_ALWAYS * and DOCUMENT_LAUNCH_INTO_EXISTING are equivalent to {@link * android.content.Intent#FLAG_ACTIVITY_NEW_DOCUMENT * Intent.FLAG_ACTIVITY_NEW_DOCUMENT} with and without {@link * android.content.Intent#FLAG_ACTIVITY_MULTIPLE_TASK * Intent.FLAG_ACTIVITY_MULTIPLE_TASK} respectively. */ public int documentLaunchMode; /** * Constant corresponding to <code>persistRootOnly</code> in * the {@link android.R.attr#persistableMode} attribute. */ public static final int PERSIST_ROOT_ONLY = 0; /** * Constant corresponding to <code>doNotPersist</code> in * the {@link android.R.attr#persistableMode} attribute. */ public static final int PERSIST_NEVER = 1; /** * Constant corresponding to <code>persistAcrossReboots</code> in * the {@link android.R.attr#persistableMode} attribute. */ public static final int PERSIST_ACROSS_REBOOTS = 2; /** * Value indicating how this activity is to be persisted across * reboots for restoring in the Recents list. * {@link android.R.attr#persistableMode} */ public int persistableMode; /** * The maximum number of tasks rooted at this activity that can be in the recent task list. * Refer to {@link android.R.attr#maxRecents}. */ public int maxRecents; /** * Optional name of a permission required to be able to access this * Activity. From the "permission" attribute. */ public String permission; /** * The affinity this activity has for another task in the system. The * string here is the name of the task, often the package name of the * overall package. If null, the activity has no affinity. Set from the * {@link android.R.attr#taskAffinity} attribute. */ public String taskAffinity; /** * If this is an activity alias, this is the real activity class to run * for it. Otherwise, this is null. */ public String targetActivity; /** * Token used to string together multiple events within a single launch action. * @hide */ public String launchToken; /** * Activity can not be resized and always occupies the fullscreen area with all windows fully * visible. * @hide */ public static final int RESIZE_MODE_UNRESIZEABLE = 0; /** * Activity didn't explicitly request to be resizeable, but we are making it resizeable because * of the SDK version it targets. Only affects apps with target SDK >= N where the app is * implied to be resizeable if it doesn't explicitly set the attribute to any value. * @hide */ public static final int RESIZE_MODE_RESIZEABLE_VIA_SDK_VERSION = 1; /** * Activity explicitly requested to be resizeable. * @hide */ @TestApi public static final int RESIZE_MODE_RESIZEABLE = 2; /** * Activity is resizeable and supported picture-in-picture mode. This flag is now deprecated * since activities do not need to be resizeable to support picture-in-picture. * See {@link #FLAG_SUPPORTS_PICTURE_IN_PICTURE}. * * @hide * @deprecated */ public static final int RESIZE_MODE_RESIZEABLE_AND_PIPABLE_DEPRECATED = 3; /** * Activity does not support resizing, but we are forcing it to be resizeable. Only affects * certain pre-N apps where we force them to be resizeable. * @hide */ public static final int RESIZE_MODE_FORCE_RESIZEABLE = 4; /** * Activity does not support resizing, but we are forcing it to be resizeable as long * as the size remains landscape. * @hide */ public static final int RESIZE_MODE_FORCE_RESIZABLE_LANDSCAPE_ONLY = 5; /** * Activity does not support resizing, but we are forcing it to be resizeable as long * as the size remains portrait. * @hide */ public static final int RESIZE_MODE_FORCE_RESIZABLE_PORTRAIT_ONLY = 6; /** * Activity does not support resizing, but we are forcing it to be resizeable as long * as the bounds remain in the same orientation as they are. * @hide */ public static final int RESIZE_MODE_FORCE_RESIZABLE_PRESERVE_ORIENTATION = 7; /** * Value indicating if the resizing mode the activity supports. * See {@link android.R.attr#resizeableActivity}. * @hide */ @UnsupportedAppUsage public int resizeMode = RESIZE_MODE_RESIZEABLE; /** * Value indicating the maximum aspect ratio the activity supports. * <p> * 0 means unset. * @See {@link android.R.attr#maxAspectRatio}. * @hide */ public float maxAspectRatio; /** * Name of the VrListenerService component to run for this activity. * @see android.R.attr#enableVrMode * @hide */ public String requestedVrComponent; /** * Value for {@link #colorMode} indicating that the activity should use the * default color mode (sRGB, low dynamic range). * * @see android.R.attr#colorMode */ public static final int COLOR_MODE_DEFAULT = 0; /** * Value of {@link #colorMode} indicating that the activity should use a * wide color gamut if the presentation display supports it. * * @see android.R.attr#colorMode */ public static final int COLOR_MODE_WIDE_COLOR_GAMUT = 1; /** * Value of {@link #colorMode} indicating that the activity should use a * high dynamic range if the presentation display supports it. * * @see android.R.attr#colorMode */ public static final int COLOR_MODE_HDR = 2; /** @hide */ @IntDef(prefix = { "COLOR_MODE_" }, value = { COLOR_MODE_DEFAULT, COLOR_MODE_WIDE_COLOR_GAMUT, COLOR_MODE_HDR, }) @Retention(RetentionPolicy.SOURCE) public @interface ColorMode { } /** * The color mode requested by this activity. The target display may not be * able to honor the request. */ @ColorMode public int colorMode = COLOR_MODE_DEFAULT; /** * Bit in {@link #flags} indicating whether this activity is able to * run in multiple processes. If * true, the system may instantiate it in the some process as the * process starting it in order to conserve resources. If false, the * default, it always runs in {@link #processName}. Set from the * {@link android.R.attr#multiprocess} attribute. */ public static final int FLAG_MULTIPROCESS = 0x0001; /** * Bit in {@link #flags} indicating that, when the activity's task is * relaunched from home, this activity should be finished. * Set from the * {@link android.R.attr#finishOnTaskLaunch} attribute. */ public static final int FLAG_FINISH_ON_TASK_LAUNCH = 0x0002; /** * Bit in {@link #flags} indicating that, when the activity is the root * of a task, that task's stack should be cleared each time the user * re-launches it from home. As a result, the user will always * return to the original activity at the top of the task. * This flag only applies to activities that * are used to start the root of a new task. Set from the * {@link android.R.attr#clearTaskOnLaunch} attribute. */ public static final int FLAG_CLEAR_TASK_ON_LAUNCH = 0x0004; /** * Bit in {@link #flags} indicating that, when the activity is the root * of a task, that task's stack should never be cleared when it is * relaunched from home. Set from the * {@link android.R.attr#alwaysRetainTaskState} attribute. */ public static final int FLAG_ALWAYS_RETAIN_TASK_STATE = 0x0008; /** * Bit in {@link #flags} indicating that the activity's state * is not required to be saved, so that if there is a failure the * activity will not be removed from the activity stack. Set from the * {@link android.R.attr#stateNotNeeded} attribute. */ public static final int FLAG_STATE_NOT_NEEDED = 0x0010; /** * Bit in {@link #flags} that indicates that the activity should not * appear in the list of recently launched activities. Set from the * {@link android.R.attr#excludeFromRecents} attribute. */ public static final int FLAG_EXCLUDE_FROM_RECENTS = 0x0020; /** * Bit in {@link #flags} that indicates that the activity can be moved * between tasks based on its task affinity. Set from the * {@link android.R.attr#allowTaskReparenting} attribute. */ public static final int FLAG_ALLOW_TASK_REPARENTING = 0x0040; /** * Bit in {@link #flags} indicating that, when the user navigates away * from an activity, it should be finished. * Set from the * {@link android.R.attr#noHistory} attribute. */ public static final int FLAG_NO_HISTORY = 0x0080; /** * Bit in {@link #flags} indicating that, when a request to close system * windows happens, this activity is finished. * Set from the * {@link android.R.attr#finishOnCloseSystemDialogs} attribute. */ public static final int FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS = 0x0100; /** * Value for {@link #flags}: true when the application's rendering should * be hardware accelerated. */ public static final int FLAG_HARDWARE_ACCELERATED = 0x0200; /** * Value for {@link #flags}: true when the application can be displayed for all users * regardless of if the user of the application is the current user. Set from the * {@link android.R.attr#showForAllUsers} attribute. * @hide */ @UnsupportedAppUsage public static final int FLAG_SHOW_FOR_ALL_USERS = 0x0400; /** * Bit in {@link #flags} corresponding to an immersive activity * that wishes not to be interrupted by notifications. * Applications that hide the system notification bar with * {@link android.view.WindowManager.LayoutParams#FLAG_FULLSCREEN} * may still be interrupted by high-priority notifications; for example, an * incoming phone call may use * {@link android.app.Notification#fullScreenIntent fullScreenIntent} * to present a full-screen in-call activity to the user, pausing the * current activity as a side-effect. An activity with * {@link #FLAG_IMMERSIVE} set, however, will not be interrupted; the * notification may be shown in some other way (such as a small floating * "toast" window). * * Note that this flag will always reflect the Activity's * <code>android:immersive</code> manifest definition, even if the Activity's * immersive state is changed at runtime via * {@link android.app.Activity#setImmersive(boolean)}. * * @see android.app.Notification#FLAG_HIGH_PRIORITY * @see android.app.Activity#setImmersive(boolean) */ public static final int FLAG_IMMERSIVE = 0x0800; /** * Bit in {@link #flags}: If set, a task rooted at this activity will have its * baseIntent replaced by the activity immediately above this. Each activity may further * relinquish its identity to the activity above it using this flag. Set from the * {@link android.R.attr#relinquishTaskIdentity} attribute. */ public static final int FLAG_RELINQUISH_TASK_IDENTITY = 0x1000; /** * Bit in {@link #flags} indicating that tasks started with this activity are to be * removed from the recent list of tasks when the last activity in the task is finished. * Corresponds to {@link android.R.attr#autoRemoveFromRecents} */ public static final int FLAG_AUTO_REMOVE_FROM_RECENTS = 0x2000; /** * Bit in {@link #flags} indicating that this activity can start is creation/resume * while the previous activity is still pausing. Corresponds to * {@link android.R.attr#resumeWhilePausing} */ public static final int FLAG_RESUME_WHILE_PAUSING = 0x4000; /** * Bit in {@link #flags} indicating that this activity should be run with VR mode enabled. * * {@see android.app.Activity#setVrMode(boolean)}. */ public static final int FLAG_ENABLE_VR_MODE = 0x8000; /** * Bit in {@link #flags} indicating if the activity is always focusable regardless of if it is * in a task/stack whose activities are normally not focusable. * See android.R.attr#alwaysFocusable. * @hide */ public static final int FLAG_ALWAYS_FOCUSABLE = 0x40000; /** * Bit in {@link #flags} indicating if the activity is visible to instant * applications. The activity is visible if it's either implicitly or * explicitly exposed. * @hide */ public static final int FLAG_VISIBLE_TO_INSTANT_APP = 0x100000; /** * Bit in {@link #flags} indicating if the activity is implicitly visible * to instant applications. Implicitly visible activities are those that * implement certain intent-filters: * <ul> * <li>action {@link Intent#CATEGORY_BROWSABLE}</li> * <li>action {@link Intent#ACTION_SEND}</li> * <li>action {@link Intent#ACTION_SENDTO}</li> * <li>action {@link Intent#ACTION_SEND_MULTIPLE}</li> * </ul> * @hide */ public static final int FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP = 0x200000; /** * Bit in {@link #flags} indicating if the activity supports picture-in-picture mode. * See {@link android.R.attr#supportsPictureInPicture}. * @hide */ public static final int FLAG_SUPPORTS_PICTURE_IN_PICTURE = 0x400000; /** * Bit in {@link #flags} indicating if the activity should be shown when locked. * See {@link android.R.attr#showWhenLocked} * @hide */ public static final int FLAG_SHOW_WHEN_LOCKED = 0x800000; /** * Bit in {@link #flags} indicating if the screen should turn on when starting the activity. * See {@link android.R.attr#turnScreenOn} * @hide */ public static final int FLAG_TURN_SCREEN_ON = 0x1000000; /** * @hide Bit in {@link #flags}: If set, this component will only be seen * by the system user. Only works with broadcast receivers. Set from the * android.R.attr#systemUserOnly attribute. */ public static final int FLAG_SYSTEM_USER_ONLY = 0x20000000; /** * Bit in {@link #flags}: If set, a single instance of the receiver will * run for all users on the device. Set from the * {@link android.R.attr#singleUser} attribute. Note that this flag is * only relevant for ActivityInfo structures that are describing receiver * components; it is not applied to activities. */ public static final int FLAG_SINGLE_USER = 0x40000000; /** * @hide Bit in {@link #flags}: If set, this activity may be launched into an * owned ActivityContainer such as that within an ActivityView. If not set and * this activity is launched into such a container a SecurityException will be * thrown. Set from the {@link android.R.attr#allowEmbedded} attribute. */ @UnsupportedAppUsage public static final int FLAG_ALLOW_EMBEDDED = 0x80000000; /** * Options that have been set in the activity declaration in the * manifest. * These include: * {@link #FLAG_MULTIPROCESS}, * {@link #FLAG_FINISH_ON_TASK_LAUNCH}, {@link #FLAG_CLEAR_TASK_ON_LAUNCH}, * {@link #FLAG_ALWAYS_RETAIN_TASK_STATE}, * {@link #FLAG_STATE_NOT_NEEDED}, {@link #FLAG_EXCLUDE_FROM_RECENTS}, * {@link #FLAG_ALLOW_TASK_REPARENTING}, {@link #FLAG_NO_HISTORY}, * {@link #FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS}, * {@link #FLAG_HARDWARE_ACCELERATED}, {@link #FLAG_SINGLE_USER}. */ public int flags; /** @hide */ @IntDef(prefix = { "SCREEN_ORIENTATION_" }, value = { SCREEN_ORIENTATION_UNSET, SCREEN_ORIENTATION_UNSPECIFIED, SCREEN_ORIENTATION_LANDSCAPE, SCREEN_ORIENTATION_PORTRAIT, SCREEN_ORIENTATION_USER, SCREEN_ORIENTATION_BEHIND, SCREEN_ORIENTATION_SENSOR, SCREEN_ORIENTATION_NOSENSOR, SCREEN_ORIENTATION_SENSOR_LANDSCAPE, SCREEN_ORIENTATION_SENSOR_PORTRAIT, SCREEN_ORIENTATION_REVERSE_LANDSCAPE, SCREEN_ORIENTATION_REVERSE_PORTRAIT, SCREEN_ORIENTATION_FULL_SENSOR, SCREEN_ORIENTATION_USER_LANDSCAPE, SCREEN_ORIENTATION_USER_PORTRAIT, SCREEN_ORIENTATION_FULL_USER, SCREEN_ORIENTATION_LOCKED }) @Retention(RetentionPolicy.SOURCE) public @interface ScreenOrientation { } /** * Internal constant used to indicate that the app didn't set a specific orientation value. * Different from {@link #SCREEN_ORIENTATION_UNSPECIFIED} below as the app can set its * orientation to {@link #SCREEN_ORIENTATION_UNSPECIFIED} while this means that the app didn't * set anything. The system will mostly treat this similar to * {@link #SCREEN_ORIENTATION_UNSPECIFIED}. * @hide */ public static final int SCREEN_ORIENTATION_UNSET = -2; /** * Constant corresponding to <code>unspecified</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_UNSPECIFIED = -1; /** * Constant corresponding to <code>landscape</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_LANDSCAPE = 0; /** * Constant corresponding to <code>portrait</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_PORTRAIT = 1; /** * Constant corresponding to <code>user</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_USER = 2; /** * Constant corresponding to <code>behind</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_BEHIND = 3; /** * Constant corresponding to <code>sensor</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_SENSOR = 4; /** * Constant corresponding to <code>nosensor</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_NOSENSOR = 5; /** * Constant corresponding to <code>sensorLandscape</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_SENSOR_LANDSCAPE = 6; /** * Constant corresponding to <code>sensorPortrait</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_SENSOR_PORTRAIT = 7; /** * Constant corresponding to <code>reverseLandscape</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_REVERSE_LANDSCAPE = 8; /** * Constant corresponding to <code>reversePortrait</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_REVERSE_PORTRAIT = 9; /** * Constant corresponding to <code>fullSensor</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_FULL_SENSOR = 10; /** * Constant corresponding to <code>userLandscape</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_USER_LANDSCAPE = 11; /** * Constant corresponding to <code>userPortrait</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_USER_PORTRAIT = 12; /** * Constant corresponding to <code>fullUser</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_FULL_USER = 13; /** * Constant corresponding to <code>locked</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_LOCKED = 14; /** * The preferred screen orientation this activity would like to run in. * From the {@link android.R.attr#screenOrientation} attribute, one of * {@link #SCREEN_ORIENTATION_UNSPECIFIED}, * {@link #SCREEN_ORIENTATION_LANDSCAPE}, * {@link #SCREEN_ORIENTATION_PORTRAIT}, * {@link #SCREEN_ORIENTATION_USER}, * {@link #SCREEN_ORIENTATION_BEHIND}, * {@link #SCREEN_ORIENTATION_SENSOR}, * {@link #SCREEN_ORIENTATION_NOSENSOR}, * {@link #SCREEN_ORIENTATION_SENSOR_LANDSCAPE}, * {@link #SCREEN_ORIENTATION_SENSOR_PORTRAIT}, * {@link #SCREEN_ORIENTATION_REVERSE_LANDSCAPE}, * {@link #SCREEN_ORIENTATION_REVERSE_PORTRAIT}, * {@link #SCREEN_ORIENTATION_FULL_SENSOR}, * {@link #SCREEN_ORIENTATION_USER_LANDSCAPE}, * {@link #SCREEN_ORIENTATION_USER_PORTRAIT}, * {@link #SCREEN_ORIENTATION_FULL_USER}, * {@link #SCREEN_ORIENTATION_LOCKED}, */ @ScreenOrientation public int screenOrientation = SCREEN_ORIENTATION_UNSPECIFIED; /** @hide */ @IntDef(flag = true, prefix = { "CONFIG_" }, value = { CONFIG_MCC, CONFIG_MNC, CONFIG_LOCALE, CONFIG_TOUCHSCREEN, CONFIG_KEYBOARD, CONFIG_KEYBOARD_HIDDEN, CONFIG_NAVIGATION, CONFIG_ORIENTATION, CONFIG_SCREEN_LAYOUT, CONFIG_UI_MODE, CONFIG_SCREEN_SIZE, CONFIG_SMALLEST_SCREEN_SIZE, CONFIG_DENSITY, CONFIG_LAYOUT_DIRECTION, CONFIG_COLOR_MODE, CONFIG_FONT_SCALE, }) @Retention(RetentionPolicy.SOURCE) public @interface Config { } /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle changes to the IMSI MCC. Set from the * {@link android.R.attr#configChanges} attribute. */ public static final int CONFIG_MCC = 0x0001; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle changes to the IMSI MNC. Set from the * {@link android.R.attr#configChanges} attribute. */ public static final int CONFIG_MNC = 0x0002; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle changes to the locale. Set from the * {@link android.R.attr#configChanges} attribute. */ public static final int CONFIG_LOCALE = 0x0004; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle changes to the touchscreen type. Set from the * {@link android.R.attr#configChanges} attribute. */ public static final int CONFIG_TOUCHSCREEN = 0x0008; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle changes to the keyboard type. Set from the * {@link android.R.attr#configChanges} attribute. */ public static final int CONFIG_KEYBOARD = 0x0010; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle changes to the keyboard or navigation being hidden/exposed. * Note that inspite of the name, this applies to the changes to any * hidden states: keyboard or navigation. * Set from the {@link android.R.attr#configChanges} attribute. */ public static final int CONFIG_KEYBOARD_HIDDEN = 0x0020; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle changes to the navigation type. Set from the * {@link android.R.attr#configChanges} attribute. */ public static final int CONFIG_NAVIGATION = 0x0040; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle changes to the screen orientation. Set from the * {@link android.R.attr#configChanges} attribute. */ public static final int CONFIG_ORIENTATION = 0x0080; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle changes to the screen layout. Set from the * {@link android.R.attr#configChanges} attribute. */ public static final int CONFIG_SCREEN_LAYOUT = 0x0100; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle the ui mode. Set from the * {@link android.R.attr#configChanges} attribute. */ public static final int CONFIG_UI_MODE = 0x0200; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle the screen size. Set from the * {@link android.R.attr#configChanges} attribute. This will be * set by default for applications that target an earlier version * than {@link android.os.Build.VERSION_CODES#HONEYCOMB_MR2}... * <b>however</b>, you will not see the bit set here becomes some * applications incorrectly compare {@link #configChanges} against * an absolute value rather than correctly masking out the bits * they are interested in. Please don't do that, thanks. */ public static final int CONFIG_SCREEN_SIZE = 0x0400; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle the smallest screen size. Set from the * {@link android.R.attr#configChanges} attribute. This will be * set by default for applications that target an earlier version * than {@link android.os.Build.VERSION_CODES#HONEYCOMB_MR2}... * <b>however</b>, you will not see the bit set here becomes some * applications incorrectly compare {@link #configChanges} against * an absolute value rather than correctly masking out the bits * they are interested in. Please don't do that, thanks. */ public static final int CONFIG_SMALLEST_SCREEN_SIZE = 0x0800; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle density changes. Set from the * {@link android.R.attr#configChanges} attribute. */ public static final int CONFIG_DENSITY = 0x1000; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle the change to layout direction. Set from the * {@link android.R.attr#configChanges} attribute. */ public static final int CONFIG_LAYOUT_DIRECTION = 0x2000; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle the change to the display color gamut or dynamic * range. Set from the {@link android.R.attr#configChanges} attribute. */ public static final int CONFIG_COLOR_MODE = 0x4000; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle asset path changes. Set from the {@link android.R.attr#configChanges} * attribute. This is not a core resource configuration, but a higher-level value, so its * constant starts at the high bits. * @hide We do not want apps handling this yet, but we do need some kind of bit for diffs. */ public static final int CONFIG_ASSETS_PATHS = 0x80000000; /** * Bit in {@link #configChanges} that indicates that the activity * can itself handle changes to the font scaling factor. Set from the * {@link android.R.attr#configChanges} attribute. This is * not a core resource configuration, but a higher-level value, so its * constant starts at the high bits. */ public static final int CONFIG_FONT_SCALE = 0x40000000; /** * Bit indicating changes to window configuration that isn't exposed to apps. * This is for internal use only and apps don't handle it. * @hide * {@link Configuration}. */ public static final int CONFIG_WINDOW_CONFIGURATION = 0x20000000; /** @hide * Unfortunately the constants for config changes in native code are * different from ActivityInfo. :( Here are the values we should use for the * native side given the bit we have assigned in ActivityInfo. */ public static int[] CONFIG_NATIVE_BITS = new int[] { Configuration.NATIVE_CONFIG_MNC, // MNC Configuration.NATIVE_CONFIG_MCC, // MCC Configuration.NATIVE_CONFIG_LOCALE, // LOCALE Configuration.NATIVE_CONFIG_TOUCHSCREEN, // TOUCH SCREEN Configuration.NATIVE_CONFIG_KEYBOARD, // KEYBOARD Configuration.NATIVE_CONFIG_KEYBOARD_HIDDEN, // KEYBOARD HIDDEN Configuration.NATIVE_CONFIG_NAVIGATION, // NAVIGATION Configuration.NATIVE_CONFIG_ORIENTATION, // ORIENTATION Configuration.NATIVE_CONFIG_SCREEN_LAYOUT, // SCREEN LAYOUT Configuration.NATIVE_CONFIG_UI_MODE, // UI MODE Configuration.NATIVE_CONFIG_SCREEN_SIZE, // SCREEN SIZE Configuration.NATIVE_CONFIG_SMALLEST_SCREEN_SIZE, // SMALLEST SCREEN SIZE Configuration.NATIVE_CONFIG_DENSITY, // DENSITY Configuration.NATIVE_CONFIG_LAYOUTDIR, // LAYOUT DIRECTION Configuration.NATIVE_CONFIG_COLOR_MODE, // COLOR_MODE }; /** * Convert Java change bits to native. * * @hide */ @UnsupportedAppUsage public static @NativeConfig int activityInfoConfigJavaToNative(@Config int input) { int output = 0; for (int i = 0; i < CONFIG_NATIVE_BITS.length; i++) { if ((input & (1 << i)) != 0) { output |= CONFIG_NATIVE_BITS[i]; } } return output; } /** * Convert native change bits to Java. * * @hide */ public static @Config int activityInfoConfigNativeToJava(@NativeConfig int input) { int output = 0; for (int i = 0; i < CONFIG_NATIVE_BITS.length; i++) { if ((input & CONFIG_NATIVE_BITS[i]) != 0) { output |= (1 << i); } } return output; } /** * @hide * Unfortunately some developers (OpenFeint I am looking at you) have * compared the configChanges bit field against absolute values, so if we * introduce a new bit they break. To deal with that, we will make sure * the public field will not have a value that breaks them, and let the * framework call here to get the real value. */ public int getRealConfigChanged() { return applicationInfo.targetSdkVersion < android.os.Build.VERSION_CODES.HONEYCOMB_MR2 ? (configChanges | ActivityInfo.CONFIG_SCREEN_SIZE | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE) : configChanges; } /** * Bit mask of kinds of configuration changes that this activity * can handle itself (without being restarted by the system). * Contains any combination of {@link #CONFIG_FONT_SCALE}, * {@link #CONFIG_MCC}, {@link #CONFIG_MNC}, * {@link #CONFIG_LOCALE}, {@link #CONFIG_TOUCHSCREEN}, * {@link #CONFIG_KEYBOARD}, {@link #CONFIG_NAVIGATION}, * {@link #CONFIG_ORIENTATION}, {@link #CONFIG_SCREEN_LAYOUT}, * {@link #CONFIG_DENSITY}, {@link #CONFIG_LAYOUT_DIRECTION} and * {@link #CONFIG_COLOR_MODE}. * Set from the {@link android.R.attr#configChanges} attribute. */ public int configChanges; /** * The desired soft input mode for this activity's main window. * Set from the {@link android.R.attr#windowSoftInputMode} attribute * in the activity's manifest. May be any of the same values allowed * for {@link android.view.WindowManager.LayoutParams#softInputMode * WindowManager.LayoutParams.softInputMode}. If 0 (unspecified), * the mode from the theme will be used. */ @android.view.WindowManager.LayoutParams.SoftInputModeFlags public int softInputMode; /** * The desired extra UI options for this activity and its main window. * Set from the {@link android.R.attr#uiOptions} attribute in the * activity's manifest. */ public int uiOptions = 0; /** * Flag for use with {@link #uiOptions}. * Indicates that the action bar should put all action items in a separate bar when * the screen is narrow. * <p>This value corresponds to "splitActionBarWhenNarrow" for the {@link #uiOptions} XML * attribute. */ public static final int UIOPTION_SPLIT_ACTION_BAR_WHEN_NARROW = 1; /** * If defined, the activity named here is the logical parent of this activity. */ public String parentActivityName; /** * Screen rotation animation desired by the activity, with values as defined * for {@link android.view.WindowManager.LayoutParams#rotationAnimation}. * * -1 means to use the system default. * * @hide */ public int rotationAnimation = -1; /** @hide */ public static final int LOCK_TASK_LAUNCH_MODE_DEFAULT = 0; /** @hide */ public static final int LOCK_TASK_LAUNCH_MODE_NEVER = 1; /** @hide */ public static final int LOCK_TASK_LAUNCH_MODE_ALWAYS = 2; /** @hide */ public static final int LOCK_TASK_LAUNCH_MODE_IF_WHITELISTED = 3; /** @hide */ public static final String lockTaskLaunchModeToString(int lockTaskLaunchMode) { switch (lockTaskLaunchMode) { case LOCK_TASK_LAUNCH_MODE_DEFAULT: return "LOCK_TASK_LAUNCH_MODE_DEFAULT"; case LOCK_TASK_LAUNCH_MODE_NEVER: return "LOCK_TASK_LAUNCH_MODE_NEVER"; case LOCK_TASK_LAUNCH_MODE_ALWAYS: return "LOCK_TASK_LAUNCH_MODE_ALWAYS"; case LOCK_TASK_LAUNCH_MODE_IF_WHITELISTED: return "LOCK_TASK_LAUNCH_MODE_IF_WHITELISTED"; default: return "unknown=" + lockTaskLaunchMode; } } /** * Value indicating if the activity is to be locked at startup. Takes on the values from * {@link android.R.attr#lockTaskMode}. * @hide */ public int lockTaskLaunchMode; /** * Information about desired position and size of activity on the display when * it is first started. */ public WindowLayout windowLayout; public ActivityInfo() { } public ActivityInfo(ActivityInfo orig) { super(orig); theme = orig.theme; launchMode = orig.launchMode; documentLaunchMode = orig.documentLaunchMode; permission = orig.permission; taskAffinity = orig.taskAffinity; targetActivity = orig.targetActivity; flags = orig.flags; screenOrientation = orig.screenOrientation; configChanges = orig.configChanges; softInputMode = orig.softInputMode; uiOptions = orig.uiOptions; parentActivityName = orig.parentActivityName; maxRecents = orig.maxRecents; lockTaskLaunchMode = orig.lockTaskLaunchMode; windowLayout = orig.windowLayout; resizeMode = orig.resizeMode; requestedVrComponent = orig.requestedVrComponent; rotationAnimation = orig.rotationAnimation; colorMode = orig.colorMode; maxAspectRatio = orig.maxAspectRatio; } /** * Return the theme resource identifier to use for this activity. If * the activity defines a theme, that is used; else, the application * theme is used. * * @return The theme associated with this activity. */ public final int getThemeResource() { return theme != 0 ? theme : applicationInfo.theme; } private String persistableModeToString() { switch (persistableMode) { case PERSIST_ROOT_ONLY: return "PERSIST_ROOT_ONLY"; case PERSIST_NEVER: return "PERSIST_NEVER"; case PERSIST_ACROSS_REBOOTS: return "PERSIST_ACROSS_REBOOTS"; default: return "UNKNOWN=" + persistableMode; } } /** * Returns true if the activity's orientation is fixed. * @hide */ boolean isFixedOrientation() { return isFixedOrientationLandscape() || isFixedOrientationPortrait() || screenOrientation == SCREEN_ORIENTATION_LOCKED; } /** * Returns true if the activity's orientation is fixed to landscape. * @hide */ boolean isFixedOrientationLandscape() { return isFixedOrientationLandscape(screenOrientation); } /** * Returns true if the activity's orientation is fixed to landscape. * @hide */ public static boolean isFixedOrientationLandscape(@ScreenOrientation int orientation) { return orientation == SCREEN_ORIENTATION_LANDSCAPE || orientation == SCREEN_ORIENTATION_SENSOR_LANDSCAPE || orientation == SCREEN_ORIENTATION_REVERSE_LANDSCAPE || orientation == SCREEN_ORIENTATION_USER_LANDSCAPE; } /** * Returns true if the activity's orientation is fixed to portrait. * @hide */ boolean isFixedOrientationPortrait() { return isFixedOrientationPortrait(screenOrientation); } /** * Returns true if the activity's orientation is fixed to portrait. * @hide */ public static boolean isFixedOrientationPortrait(@ScreenOrientation int orientation) { return orientation == SCREEN_ORIENTATION_PORTRAIT || orientation == SCREEN_ORIENTATION_SENSOR_PORTRAIT || orientation == SCREEN_ORIENTATION_REVERSE_PORTRAIT || orientation == SCREEN_ORIENTATION_USER_PORTRAIT; } /** * Returns true if the activity supports picture-in-picture. * @hide */ @UnsupportedAppUsage public boolean supportsPictureInPicture() { return (flags & FLAG_SUPPORTS_PICTURE_IN_PICTURE) != 0; } /** @hide */ @UnsupportedAppUsage public static boolean isResizeableMode(int mode) { return mode == RESIZE_MODE_RESIZEABLE || mode == RESIZE_MODE_FORCE_RESIZEABLE || mode == RESIZE_MODE_FORCE_RESIZABLE_PORTRAIT_ONLY || mode == RESIZE_MODE_FORCE_RESIZABLE_LANDSCAPE_ONLY || mode == RESIZE_MODE_FORCE_RESIZABLE_PRESERVE_ORIENTATION || mode == RESIZE_MODE_RESIZEABLE_VIA_SDK_VERSION; } /** @hide */ public static boolean isPreserveOrientationMode(int mode) { return mode == RESIZE_MODE_FORCE_RESIZABLE_PORTRAIT_ONLY || mode == RESIZE_MODE_FORCE_RESIZABLE_LANDSCAPE_ONLY || mode == RESIZE_MODE_FORCE_RESIZABLE_PRESERVE_ORIENTATION; } /** @hide */ public static String resizeModeToString(int mode) { switch (mode) { case RESIZE_MODE_UNRESIZEABLE: return "RESIZE_MODE_UNRESIZEABLE"; case RESIZE_MODE_RESIZEABLE_VIA_SDK_VERSION: return "RESIZE_MODE_RESIZEABLE_VIA_SDK_VERSION"; case RESIZE_MODE_RESIZEABLE: return "RESIZE_MODE_RESIZEABLE"; case RESIZE_MODE_FORCE_RESIZEABLE: return "RESIZE_MODE_FORCE_RESIZEABLE"; case RESIZE_MODE_FORCE_RESIZABLE_PORTRAIT_ONLY: return "RESIZE_MODE_FORCE_RESIZABLE_PORTRAIT_ONLY"; case RESIZE_MODE_FORCE_RESIZABLE_LANDSCAPE_ONLY: return "RESIZE_MODE_FORCE_RESIZABLE_LANDSCAPE_ONLY"; case RESIZE_MODE_FORCE_RESIZABLE_PRESERVE_ORIENTATION: return "RESIZE_MODE_FORCE_RESIZABLE_PRESERVE_ORIENTATION"; default: return "unknown=" + mode; } } public void dump(Printer pw, String prefix) { dump(pw, prefix, DUMP_FLAG_ALL); } /** @hide */ public void dump(Printer pw, String prefix, int dumpFlags) { super.dumpFront(pw, prefix); if (permission != null) { pw.println(prefix + "permission=" + permission); } if ((dumpFlags & DUMP_FLAG_DETAILS) != 0) { pw.println(prefix + "taskAffinity=" + taskAffinity + " targetActivity=" + targetActivity + " persistableMode=" + persistableModeToString()); } if (launchMode != 0 || flags != 0 || theme != 0) { pw.println(prefix + "launchMode=" + launchMode + " flags=0x" + Integer.toHexString(flags) + " theme=0x" + Integer.toHexString(theme)); } if (screenOrientation != SCREEN_ORIENTATION_UNSPECIFIED || configChanges != 0 || softInputMode != 0) { pw.println(prefix + "screenOrientation=" + screenOrientation + " configChanges=0x" + Integer.toHexString(configChanges) + " softInputMode=0x" + Integer.toHexString(softInputMode)); } if (uiOptions != 0) { pw.println(prefix + " uiOptions=0x" + Integer.toHexString(uiOptions)); } if ((dumpFlags & DUMP_FLAG_DETAILS) != 0) { pw.println(prefix + "lockTaskLaunchMode=" + lockTaskLaunchModeToString(lockTaskLaunchMode)); } if (windowLayout != null) { pw.println(prefix + "windowLayout=" + windowLayout.width + "|" + windowLayout.widthFraction + ", " + windowLayout.height + "|" + windowLayout.heightFraction + ", " + windowLayout.gravity); } pw.println(prefix + "resizeMode=" + resizeModeToString(resizeMode)); if (requestedVrComponent != null) { pw.println(prefix + "requestedVrComponent=" + requestedVrComponent); } if (maxAspectRatio != 0) { pw.println(prefix + "maxAspectRatio=" + maxAspectRatio); } super.dumpBack(pw, prefix, dumpFlags); } public String toString() { return "ActivityInfo{" + Integer.toHexString(System.identityHashCode(this)) + " " + name + "}"; } public int describeContents() { return 0; } public void writeToParcel(Parcel dest, int parcelableFlags) { super.writeToParcel(dest, parcelableFlags); dest.writeInt(theme); dest.writeInt(launchMode); dest.writeInt(documentLaunchMode); dest.writeString(permission); dest.writeString(taskAffinity); dest.writeString(targetActivity); dest.writeString(launchToken); dest.writeInt(flags); dest.writeInt(screenOrientation); dest.writeInt(configChanges); dest.writeInt(softInputMode); dest.writeInt(uiOptions); dest.writeString(parentActivityName); dest.writeInt(persistableMode); dest.writeInt(maxRecents); dest.writeInt(lockTaskLaunchMode); if (windowLayout != null) { dest.writeInt(1); dest.writeInt(windowLayout.width); dest.writeFloat(windowLayout.widthFraction); dest.writeInt(windowLayout.height); dest.writeFloat(windowLayout.heightFraction); dest.writeInt(windowLayout.gravity); dest.writeInt(windowLayout.minWidth); dest.writeInt(windowLayout.minHeight); } else { dest.writeInt(0); } dest.writeInt(resizeMode); dest.writeString(requestedVrComponent); dest.writeInt(rotationAnimation); dest.writeInt(colorMode); dest.writeFloat(maxAspectRatio); } /** * Determines whether the {@link Activity} is considered translucent or floating. * @hide */ @TestApi public static boolean isTranslucentOrFloating(TypedArray attributes) { final boolean isTranslucent = attributes .getBoolean(com.android.internal.R.styleable.Window_windowIsTranslucent, false); final boolean isSwipeToDismiss = !attributes .hasValue(com.android.internal.R.styleable.Window_windowIsTranslucent) && attributes.getBoolean(com.android.internal.R.styleable.Window_windowSwipeToDismiss, false); final boolean isFloating = attributes.getBoolean(com.android.internal.R.styleable.Window_windowIsFloating, false); return isFloating || isTranslucent || isSwipeToDismiss; } /** * Convert the screen orientation constant to a human readable format. * @hide */ public static String screenOrientationToString(int orientation) { switch (orientation) { case SCREEN_ORIENTATION_UNSET: return "SCREEN_ORIENTATION_UNSET"; case SCREEN_ORIENTATION_UNSPECIFIED: return "SCREEN_ORIENTATION_UNSPECIFIED"; case SCREEN_ORIENTATION_LANDSCAPE: return "SCREEN_ORIENTATION_LANDSCAPE"; case SCREEN_ORIENTATION_PORTRAIT: return "SCREEN_ORIENTATION_PORTRAIT"; case SCREEN_ORIENTATION_USER: return "SCREEN_ORIENTATION_USER"; case SCREEN_ORIENTATION_BEHIND: return "SCREEN_ORIENTATION_BEHIND"; case SCREEN_ORIENTATION_SENSOR: return "SCREEN_ORIENTATION_SENSOR"; case SCREEN_ORIENTATION_NOSENSOR: return "SCREEN_ORIENTATION_NOSENSOR"; case SCREEN_ORIENTATION_SENSOR_LANDSCAPE: return "SCREEN_ORIENTATION_SENSOR_LANDSCAPE"; case SCREEN_ORIENTATION_SENSOR_PORTRAIT: return "SCREEN_ORIENTATION_SENSOR_PORTRAIT"; case SCREEN_ORIENTATION_REVERSE_LANDSCAPE: return "SCREEN_ORIENTATION_REVERSE_LANDSCAPE"; case SCREEN_ORIENTATION_REVERSE_PORTRAIT: return "SCREEN_ORIENTATION_REVERSE_PORTRAIT"; case SCREEN_ORIENTATION_FULL_SENSOR: return "SCREEN_ORIENTATION_FULL_SENSOR"; case SCREEN_ORIENTATION_USER_LANDSCAPE: return "SCREEN_ORIENTATION_USER_LANDSCAPE"; case SCREEN_ORIENTATION_USER_PORTRAIT: return "SCREEN_ORIENTATION_USER_PORTRAIT"; case SCREEN_ORIENTATION_FULL_USER: return "SCREEN_ORIENTATION_FULL_USER"; case SCREEN_ORIENTATION_LOCKED: return "SCREEN_ORIENTATION_LOCKED"; default: return Integer.toString(orientation); } } /** * @hide */ public static String colorModeToString(@ColorMode int colorMode) { switch (colorMode) { case COLOR_MODE_DEFAULT: return "COLOR_MODE_DEFAULT"; case COLOR_MODE_WIDE_COLOR_GAMUT: return "COLOR_MODE_WIDE_COLOR_GAMUT"; case COLOR_MODE_HDR: return "COLOR_MODE_HDR"; default: return Integer.toString(colorMode); } } public static final Parcelable.Creator<ActivityInfo> CREATOR = new Parcelable.Creator<ActivityInfo>() { public ActivityInfo createFromParcel(Parcel source) { return new ActivityInfo(source); } public ActivityInfo[] newArray(int size) { return new ActivityInfo[size]; } }; private ActivityInfo(Parcel source) { super(source); theme = source.readInt(); launchMode = source.readInt(); documentLaunchMode = source.readInt(); permission = source.readString(); taskAffinity = source.readString(); targetActivity = source.readString(); launchToken = source.readString(); flags = source.readInt(); screenOrientation = source.readInt(); configChanges = source.readInt(); softInputMode = source.readInt(); uiOptions = source.readInt(); parentActivityName = source.readString(); persistableMode = source.readInt(); maxRecents = source.readInt(); lockTaskLaunchMode = source.readInt(); if (source.readInt() == 1) { windowLayout = new WindowLayout(source); } resizeMode = source.readInt(); requestedVrComponent = source.readString(); rotationAnimation = source.readInt(); colorMode = source.readInt(); maxAspectRatio = source.readFloat(); } /** * Contains information about position and size of the activity on the display. * * Used in freeform mode to set desired position when activity is first launched. * It describes how big the activity wants to be in both width and height, * the minimal allowed size, and the gravity to be applied. * * @attr ref android.R.styleable#AndroidManifestLayout_defaultWidth * @attr ref android.R.styleable#AndroidManifestLayout_defaultHeight * @attr ref android.R.styleable#AndroidManifestLayout_gravity * @attr ref android.R.styleable#AndroidManifestLayout_minWidth * @attr ref android.R.styleable#AndroidManifestLayout_minHeight */ public static final class WindowLayout { public WindowLayout(int width, float widthFraction, int height, float heightFraction, int gravity, int minWidth, int minHeight) { this.width = width; this.widthFraction = widthFraction; this.height = height; this.heightFraction = heightFraction; this.gravity = gravity; this.minWidth = minWidth; this.minHeight = minHeight; } WindowLayout(Parcel source) { width = source.readInt(); widthFraction = source.readFloat(); height = source.readInt(); heightFraction = source.readFloat(); gravity = source.readInt(); minWidth = source.readInt(); minHeight = source.readInt(); } /** * Width of activity in pixels. * * @attr ref android.R.styleable#AndroidManifestLayout_defaultWidth */ public final int width; /** * Width of activity as a fraction of available display width. * If both {@link #width} and this value are set this one will be preferred. * * @attr ref android.R.styleable#AndroidManifestLayout_defaultWidth */ public final float widthFraction; /** * Height of activity in pixels. * * @attr ref android.R.styleable#AndroidManifestLayout_defaultHeight */ public final int height; /** * Height of activity as a fraction of available display height. * If both {@link #height} and this value are set this one will be preferred. * * @attr ref android.R.styleable#AndroidManifestLayout_defaultHeight */ public final float heightFraction; /** * Gravity of activity. * Currently {@link android.view.Gravity#TOP}, {@link android.view.Gravity#BOTTOM}, * {@link android.view.Gravity#LEFT} and {@link android.view.Gravity#RIGHT} are supported. * * @attr ref android.R.styleable#AndroidManifestLayout_gravity */ public final int gravity; /** * Minimal width of activity in pixels to be able to display its content. * * <p><strong>NOTE:</strong> A task's root activity value is applied to all additional * activities launched in the task. That is if the root activity of a task set minimal * width, then the system will set the same minimal width on all other activities in the * task. It will also ignore any other minimal width attributes of non-root activities. * * @attr ref android.R.styleable#AndroidManifestLayout_minWidth */ public final int minWidth; /** * Minimal height of activity in pixels to be able to display its content. * * <p><strong>NOTE:</strong> A task's root activity value is applied to all additional * activities launched in the task. That is if the root activity of a task set minimal * height, then the system will set the same minimal height on all other activities in the * task. It will also ignore any other minimal height attributes of non-root activities. * * @attr ref android.R.styleable#AndroidManifestLayout_minHeight */ public final int minHeight; } }