package android.content.pm; import android.os.Parcel; import android.os.Parcelable; import android.util.Printer; /** * 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 { /** * 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; /** * 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; /** * 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; /** * Options that have been set in the activity declaration in the * manifest: {@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}. */ public int flags; /** * 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>sensor</code> in * the {@link android.R.attr#screenOrientation} attribute. */ public static final int SCREEN_ORIENTATION_NOSENSOR = 5; /** * 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}. */ public int screenOrientation = SCREEN_ORIENTATION_UNSPECIFIED; /** * 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 being hidden/exposed. * 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 font scaling factor. Set from the * {@link android.R.attr#configChanges} attribute. This is * not a core resource configutation, but a higher-level value, so its * constant starts at the high bits. */ public static final int CONFIG_FONT_SCALE = 0x40000000; /** * 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}, and * {@link #CONFIG_ORIENTATION}. 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. */ public int softInputMode; public ActivityInfo() { } public ActivityInfo(ActivityInfo orig) { super(orig); theme = orig.theme; launchMode = orig.launchMode; permission = orig.permission; taskAffinity = orig.taskAffinity; targetActivity = orig.targetActivity; flags = orig.flags; screenOrientation = orig.screenOrientation; configChanges = orig.configChanges; softInputMode = orig.softInputMode; } /** * 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; } public void dump(Printer pw, String prefix) { super.dumpFront(pw, prefix); pw.println(prefix + "permission=" + permission); pw.println(prefix + "taskAffinity=" + taskAffinity + " targetActivity=" + targetActivity); pw.println(prefix + "launchMode=" + launchMode + " flags=0x" + Integer.toHexString(flags) + " theme=0x" + Integer.toHexString(theme)); pw.println(prefix + "screenOrientation=" + screenOrientation + " configChanges=0x" + Integer.toHexString(configChanges) + " softInputMode=0x" + Integer.toHexString(softInputMode)); super.dumpBack(pw, prefix); } 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.writeString(permission); dest.writeString(taskAffinity); dest.writeString(targetActivity); dest.writeInt(flags); dest.writeInt(screenOrientation); dest.writeInt(configChanges); dest.writeInt(softInputMode); } 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(); permission = source.readString(); taskAffinity = source.readString(); targetActivity = source.readString(); flags = source.readInt(); screenOrientation = source.readInt(); configChanges = source.readInt(); softInputMode = source.readInt(); } }