Java InvariantDeviceProfile类代码示例

import com.android.launcher3.InvariantDeviceProfile; //导入依赖的package包/类
protected GridSizeMigrationTask(Context context, InvariantDeviceProfile idp,
        HashSet<String> validPackages, Point sourceSize, Point targetSize) {
    mContext = context;
    mValidPackages = validPackages;
    mIdp = idp;

    mSrcX = sourceSize.x;
    mSrcY = sourceSize.y;

    mTrgX = targetSize.x;
    mTrgY = targetSize.y;

    mShouldRemoveX = mTrgX < mSrcX;
    mShouldRemoveY = mTrgY < mSrcY;

    // Non-used variables
    mSrcHotseatSize = mDestHotseatSize = -1;
}
 

import com.android.launcher3.InvariantDeviceProfile; //导入依赖的package包/类
public FolderPagedView(Context context, AttributeSet attrs) {
    super(context, attrs);
    LauncherAppState app = LauncherAppState.getInstance();

    InvariantDeviceProfile profile = app.getInvariantDeviceProfile();
    mMaxCountX = profile.numFolderColumns;
    mMaxCountY = profile.numFolderRows;

    mMaxItemsPerPage = mMaxCountX * mMaxCountY;

    mInflater = LayoutInflater.from(context);
    mIconCache = app.getIconCache();

    mIsRtl = Utilities.isRtl(getResources());
    setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES);

    setEdgeGlowColor(getResources().getColor(R.color.folder_edge_effect_color));
    mFocusIndicatorHelper = new ViewGroupFocusHelper(this);
}
 

import com.android.launcher3.InvariantDeviceProfile; //导入依赖的package包/类
public void updateDynamicGridSizeSettingsItem(TextView stateView, Switch settingSwitch) {
    InvariantDeviceProfile.GridSize gridSize = InvariantDeviceProfile.GridSize.getModeForValue(
            SettingsProvider.getIntCustomDefault(mLauncher,
                    SettingsProvider.SETTINGS_UI_DYNAMIC_GRID_SIZE, 0));
    String state = "";

    switch (gridSize) {
        case Comfortable:
            state = mLauncher.getResources().getString(R.string.grid_size_comfortable);
            break;
        case Cozy:
            state = mLauncher.getResources().getString(R.string.grid_size_cozy);
            break;
        case Condensed:
            state = mLauncher.getResources().getString(R.string.grid_size_condensed);
            break;
        case Custom:
            int rows = SettingsProvider.getIntCustomDefault(mLauncher,
                    SettingsProvider.SETTINGS_UI_HOMESCREEN_ROWS, 0);
            int columns = SettingsProvider.getIntCustomDefault(mLauncher,
                    SettingsProvider.SETTINGS_UI_HOMESCREEN_COLUMNS, 0);
            state = rows + " " + "\u00d7" + " " + columns;
            break;
    }
    setStateText(stateView, settingSwitch, state);
}
 

import com.android.launcher3.InvariantDeviceProfile; //导入依赖的package包/类
public WidgetItem(LauncherAppWidgetProviderInfo info, AppWidgetManagerCompat widgetManager) {
    super(info.provider, widgetManager.getUser(info));

    label = Utilities.trim(widgetManager.loadLabel(info));
    widgetInfo = info;
    activityInfo = null;

    InvariantDeviceProfile idv = LauncherAppState.getInstance().getInvariantDeviceProfile();
    spanX = Math.min(info.spanX, idv.numColumns);
    spanY = Math.min(info.spanY, idv.numRows);
}
 

import com.android.launcher3.InvariantDeviceProfile; //导入依赖的package包/类
protected LossyScreenMigrationTask(
        Context context, InvariantDeviceProfile idp, SQLiteDatabase db) {
    // Decrease the rows count by 1
    super(context, idp, getValidPackages(context),
            new Point(idp.numColumns, idp.numRows + 1),
            new Point(idp.numColumns, idp.numRows));

    mDb = db;
    mOriginalItems = new LongArrayMap<>();
    mUpdates = new LongArrayMap<>();
}
 

import com.android.launcher3.InvariantDeviceProfile; //导入依赖的package包/类
@Override
protected void setUp() throws Exception {
    super.setUp();
    mValidPackages = new HashSet<>();
    mValidPackages.add(TEST_PACKAGE);

    mIdp = new InvariantDeviceProfile();
}
 

import com.android.launcher3.InvariantDeviceProfile; //导入依赖的package包/类
/**
 * Apply the widget provider info to the view.
 */
public void applyFromAppWidgetProviderInfo(LauncherAppWidgetProviderInfo info,
        WidgetPreviewLoader loader) {

    InvariantDeviceProfile profile =
            LauncherAppState.getInstance().getInvariantDeviceProfile();
    mInfo = info;
    // TODO(hyunyoungs): setup a cache for these labels.
    mWidgetName.setText(AppWidgetManagerCompat.getInstance(getContext()).loadLabel(info));
    int hSpan = Math.min(info.spanX, profile.numColumns);
    int vSpan = Math.min(info.spanY, profile.numRows);
    mWidgetDims.setText(String.format(mDimensionsFormatString, hSpan, vSpan));
    mWidgetPreviewLoader = loader;
}
 

import com.android.launcher3.InvariantDeviceProfile; //导入依赖的package包/类
/**
 * Migrates the workspace and hotseat in case their sizes changed.
 * @return false if the migration failed.
 */
public static boolean migrateGridIfNeeded(Context context) {
    SharedPreferences prefs = Utilities.getPrefs(context);
    InvariantDeviceProfile idp = LauncherAppState.getInstance().getInvariantDeviceProfile();

    String gridSizeString = getPointString(idp.numColumns, idp.numRows);

    if (gridSizeString.equals(prefs.getString(KEY_MIGRATION_SRC_WORKSPACE_SIZE, "")) &&
            idp.numHotseatIcons != prefs.getInt(KEY_MIGRATION_SRC_HOTSEAT_COUNT, idp.numHotseatIcons)) {
        // Skip if workspace and hotseat sizes have not changed.
        return true;
    }

    long migrationStartTime = System.currentTimeMillis();
    try {
        boolean dbChanged = false;

        HashSet validPackages = getValidPackages(context);
        // Hotseat
        int srcHotseatCount = prefs.getInt(KEY_MIGRATION_SRC_HOTSEAT_COUNT, idp.numHotseatIcons);
        if (srcHotseatCount != idp.numHotseatIcons) {
            // Migrate hotseat.

            dbChanged = new GridSizeMigrationTask(context,
                    LauncherAppState.getInstance().getInvariantDeviceProfile(),
                    validPackages, srcHotseatCount, idp.numHotseatIcons).migrateHotseat();
        }

        // Grid size
        Point targetSize = new Point(idp.numColumns, idp.numRows);
        Point sourceSize = parsePoint(prefs.getString(
                KEY_MIGRATION_SRC_WORKSPACE_SIZE, gridSizeString));

        if (new MultiStepMigrationTask(validPackages, context).migrate(sourceSize, targetSize)) {
            dbChanged = true;
        }

        if (dbChanged) {
            // Make sure we haven't removed everything.
            final Cursor c = context.getContentResolver().query(
                    LauncherSettings.Favorites.CONTENT_URI, null, null, null, null);
            boolean hasData = c.moveToNext();
            c.close();
            if (!hasData) {
                throw new Exception("Removed every thing during grid resize");
            }
        }

        return true;
    } catch (Exception e) {
        Log.e(TAG, "Error during grid migration", e);

        return false;
    } finally {
        Log.v(TAG, "Workspace migration completed in "
                + (System.currentTimeMillis() - migrationStartTime));

        // Save current configuration, so that the migration does not run again.
        prefs.edit()
                .putString(KEY_MIGRATION_SRC_WORKSPACE_SIZE, gridSizeString)
                .putInt(KEY_MIGRATION_SRC_HOTSEAT_COUNT, idp.numHotseatIcons)
                .apply();
    }
}