Example usage for android.app ActivityManager getDefaultAppRecentsLimitStatic

List of usage examples for android.app ActivityManager getDefaultAppRecentsLimitStatic

Introduction

In this page you can find the example usage for android.app ActivityManager getDefaultAppRecentsLimitStatic.

Prototype

static public int getDefaultAppRecentsLimitStatic() 

Source Link

Document

Return the default limit on the number of recents that an app can make.

Usage

From source file:android.content.pm.PackageParser.java

private Activity parseActivity(Package owner, Resources res, XmlPullParser parser, AttributeSet attrs,
        int flags, String[] outError, boolean receiver, boolean hardwareAccelerated)
        throws XmlPullParserException, IOException {
    TypedArray sa = res.obtainAttributes(attrs, R.styleable.AndroidManifestActivity);

    if (mParseActivityArgs == null) {
        mParseActivityArgs = new ParseComponentArgs(owner, outError, R.styleable.AndroidManifestActivity_name,
                R.styleable.AndroidManifestActivity_label, R.styleable.AndroidManifestActivity_icon,
                R.styleable.AndroidManifestActivity_logo, R.styleable.AndroidManifestActivity_banner,
                mSeparateProcesses, R.styleable.AndroidManifestActivity_process,
                R.styleable.AndroidManifestActivity_description, R.styleable.AndroidManifestActivity_enabled);
    }/*from  ww  w.  ja  v  a 2  s  . c  o m*/

    mParseActivityArgs.tag = receiver ? "<receiver>" : "<activity>";
    mParseActivityArgs.sa = sa;
    mParseActivityArgs.flags = flags;

    Activity a = new Activity(mParseActivityArgs, new ActivityInfo());
    if (outError[0] != null) {
        sa.recycle();
        return null;
    }

    boolean setExported = sa.hasValue(R.styleable.AndroidManifestActivity_exported);
    if (setExported) {
        a.info.exported = sa.getBoolean(R.styleable.AndroidManifestActivity_exported, false);
    }

    a.info.theme = sa.getResourceId(R.styleable.AndroidManifestActivity_theme, 0);

    a.info.uiOptions = sa.getInt(R.styleable.AndroidManifestActivity_uiOptions,
            a.info.applicationInfo.uiOptions);

    String parentName = sa.getNonConfigurationString(R.styleable.AndroidManifestActivity_parentActivityName,
            Configuration.NATIVE_CONFIG_VERSION);
    if (parentName != null) {
        String parentClassName = buildClassName(a.info.packageName, parentName, outError);
        if (outError[0] == null) {
            a.info.parentActivityName = parentClassName;
        } else {
            Log.e(TAG, "Activity " + a.info.name + " specified invalid parentActivityName " + parentName);
            outError[0] = null;
        }
    }

    String str;
    str = sa.getNonConfigurationString(R.styleable.AndroidManifestActivity_permission, 0);
    if (str == null) {
        a.info.permission = owner.applicationInfo.permission;
    } else {
        a.info.permission = str.length() > 0 ? str.toString().intern() : null;
    }

    str = sa.getNonConfigurationString(R.styleable.AndroidManifestActivity_taskAffinity,
            Configuration.NATIVE_CONFIG_VERSION);
    a.info.taskAffinity = buildTaskAffinityName(owner.applicationInfo.packageName,
            owner.applicationInfo.taskAffinity, str, outError);

    a.info.flags = 0;
    if (sa.getBoolean(R.styleable.AndroidManifestActivity_multiprocess, false)) {
        a.info.flags |= ActivityInfo.FLAG_MULTIPROCESS;
    }

    if (sa.getBoolean(R.styleable.AndroidManifestActivity_finishOnTaskLaunch, false)) {
        a.info.flags |= ActivityInfo.FLAG_FINISH_ON_TASK_LAUNCH;
    }

    if (sa.getBoolean(R.styleable.AndroidManifestActivity_clearTaskOnLaunch, false)) {
        a.info.flags |= ActivityInfo.FLAG_CLEAR_TASK_ON_LAUNCH;
    }

    if (sa.getBoolean(R.styleable.AndroidManifestActivity_noHistory, false)) {
        a.info.flags |= ActivityInfo.FLAG_NO_HISTORY;
    }

    if (sa.getBoolean(R.styleable.AndroidManifestActivity_alwaysRetainTaskState, false)) {
        a.info.flags |= ActivityInfo.FLAG_ALWAYS_RETAIN_TASK_STATE;
    }

    if (sa.getBoolean(R.styleable.AndroidManifestActivity_stateNotNeeded, false)) {
        a.info.flags |= ActivityInfo.FLAG_STATE_NOT_NEEDED;
    }

    if (sa.getBoolean(R.styleable.AndroidManifestActivity_excludeFromRecents, false)) {
        a.info.flags |= ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS;
    }

    if (sa.getBoolean(R.styleable.AndroidManifestActivity_allowTaskReparenting,
            (owner.applicationInfo.flags & ApplicationInfo.FLAG_ALLOW_TASK_REPARENTING) != 0)) {
        a.info.flags |= ActivityInfo.FLAG_ALLOW_TASK_REPARENTING;
    }

    if (sa.getBoolean(R.styleable.AndroidManifestActivity_finishOnCloseSystemDialogs, false)) {
        a.info.flags |= ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS;
    }

    if (sa.getBoolean(R.styleable.AndroidManifestActivity_showOnLockScreen, false)
            || sa.getBoolean(R.styleable.AndroidManifestActivity_showForAllUsers, false)) {
        a.info.flags |= ActivityInfo.FLAG_SHOW_FOR_ALL_USERS;
    }

    if (sa.getBoolean(R.styleable.AndroidManifestActivity_immersive, false)) {
        a.info.flags |= ActivityInfo.FLAG_IMMERSIVE;
    }

    if (sa.getBoolean(R.styleable.AndroidManifestActivity_primaryUserOnly, false)) {
        a.info.flags |= ActivityInfo.FLAG_PRIMARY_USER_ONLY;
    }

    if (!receiver) {
        if (sa.getBoolean(R.styleable.AndroidManifestActivity_hardwareAccelerated, hardwareAccelerated)) {
            a.info.flags |= ActivityInfo.FLAG_HARDWARE_ACCELERATED;
        }

        a.info.launchMode = sa.getInt(R.styleable.AndroidManifestActivity_launchMode,
                ActivityInfo.LAUNCH_MULTIPLE);
        a.info.documentLaunchMode = sa.getInt(R.styleable.AndroidManifestActivity_documentLaunchMode,
                ActivityInfo.DOCUMENT_LAUNCH_NONE);
        a.info.maxRecents = sa.getInt(R.styleable.AndroidManifestActivity_maxRecents,
                ActivityManager.getDefaultAppRecentsLimitStatic());
        a.info.configChanges = sa.getInt(R.styleable.AndroidManifestActivity_configChanges, 0);
        a.info.softInputMode = sa.getInt(R.styleable.AndroidManifestActivity_windowSoftInputMode, 0);

        a.info.persistableMode = sa.getInteger(R.styleable.AndroidManifestActivity_persistableMode,
                ActivityInfo.PERSIST_ROOT_ONLY);

        if (sa.getBoolean(R.styleable.AndroidManifestActivity_allowEmbedded, false)) {
            a.info.flags |= ActivityInfo.FLAG_ALLOW_EMBEDDED;
        }

        if (sa.getBoolean(R.styleable.AndroidManifestActivity_autoRemoveFromRecents, false)) {
            a.info.flags |= ActivityInfo.FLAG_AUTO_REMOVE_FROM_RECENTS;
        }

        if (sa.getBoolean(R.styleable.AndroidManifestActivity_relinquishTaskIdentity, false)) {
            a.info.flags |= ActivityInfo.FLAG_RELINQUISH_TASK_IDENTITY;
        }

        if (sa.getBoolean(R.styleable.AndroidManifestActivity_resumeWhilePausing, false)) {
            a.info.flags |= ActivityInfo.FLAG_RESUME_WHILE_PAUSING;
        }

        a.info.resizeable = sa.getBoolean(R.styleable.AndroidManifestActivity_resizeableActivity, false);
        if (a.info.resizeable) {
            // Fixed screen orientation isn't supported with resizeable activities.
            a.info.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
        } else {
            a.info.screenOrientation = sa.getInt(R.styleable.AndroidManifestActivity_screenOrientation,
                    ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
        }

        a.info.lockTaskLaunchMode = sa.getInt(R.styleable.AndroidManifestActivity_lockTaskMode, 0);
    } else {
        a.info.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
        a.info.configChanges = 0;

        if (sa.getBoolean(R.styleable.AndroidManifestActivity_singleUser, false)) {
            a.info.flags |= ActivityInfo.FLAG_SINGLE_USER;
            if (a.info.exported && (flags & PARSE_IS_PRIVILEGED) == 0) {
                Slog.w(TAG, "Activity exported request ignored due to singleUser: " + a.className + " at "
                        + mArchiveSourcePath + " " + parser.getPositionDescription());
                a.info.exported = false;
                setExported = true;
            }
        }
    }

    sa.recycle();

    if (receiver && (owner.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_CANT_SAVE_STATE) != 0) {
        // A heavy-weight application can not have receives in its main process
        // We can do direct compare because we intern all strings.
        if (a.info.processName == owner.packageName) {
            outError[0] = "Heavy-weight applications can not have receivers in main process";
        }
    }

    if (outError[0] != null) {
        return null;
    }

    int outerDepth = parser.getDepth();
    int type;
    while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
            && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
        if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
            continue;
        }

        if (parser.getName().equals("intent-filter")) {
            ActivityIntentInfo intent = new ActivityIntentInfo(a);
            if (!parseIntent(res, parser, attrs, true, true, intent, outError)) {
                return null;
            }
            if (intent.countActions() == 0) {
                Slog.w(TAG, "No actions in intent filter at " + mArchiveSourcePath + " "
                        + parser.getPositionDescription());
            } else {
                a.intents.add(intent);
            }
        } else if (!receiver && parser.getName().equals("preferred")) {
            ActivityIntentInfo intent = new ActivityIntentInfo(a);
            if (!parseIntent(res, parser, attrs, false, false, intent, outError)) {
                return null;
            }
            if (intent.countActions() == 0) {
                Slog.w(TAG, "No actions in preferred at " + mArchiveSourcePath + " "
                        + parser.getPositionDescription());
            } else {
                if (owner.preferredActivityFilters == null) {
                    owner.preferredActivityFilters = new ArrayList<ActivityIntentInfo>();
                }
                owner.preferredActivityFilters.add(intent);
            }
        } else if (parser.getName().equals("meta-data")) {
            if ((a.metaData = parseMetaData(res, parser, attrs, a.metaData, outError)) == null) {
                return null;
            }
        } else {
            if (!RIGID_PARSER) {
                Slog.w(TAG, "Problem in package " + mArchiveSourcePath + ":");
                if (receiver) {
                    Slog.w(TAG, "Unknown element under <receiver>: " + parser.getName() + " at "
                            + mArchiveSourcePath + " " + parser.getPositionDescription());
                } else {
                    Slog.w(TAG, "Unknown element under <activity>: " + parser.getName() + " at "
                            + mArchiveSourcePath + " " + parser.getPositionDescription());
                }
                XmlUtils.skipCurrentTag(parser);
                continue;
            } else {
                if (receiver) {
                    outError[0] = "Bad element under <receiver>: " + parser.getName();
                } else {
                    outError[0] = "Bad element under <activity>: " + parser.getName();
                }
                return null;
            }
        }
    }

    if (!setExported) {
        a.info.exported = a.intents.size() > 0;
    }

    return a;
}