Java Code Examples for android.graphics.drawable.Icon#TYPE_BITMAP

@Nullable
private static Drawable maybeLoadDrawable(Icon icon) {
    if (icon == null) {
        return null;
    }
    switch (icon.getType()) {
        case Icon.TYPE_BITMAP:
            return new BitmapDrawable(Resources.getSystem(), icon.getBitmap());
        case Icon.TYPE_ADAPTIVE_BITMAP:
            return new AdaptiveIconDrawable(null,
                    new BitmapDrawable(Resources.getSystem(), icon.getBitmap()));
        case Icon.TYPE_DATA:
            return new BitmapDrawable(
                    Resources.getSystem(),
                    BitmapFactory.decodeByteArray(
                            icon.getDataBytes(), icon.getDataOffset(), icon.getDataLength()));
    }
    return null;
}
 

/**
 * @hide
 */
public static Icon validateIcon(Icon icon) {
    switch (icon.getType()) {
        case Icon.TYPE_RESOURCE:
        case Icon.TYPE_BITMAP:
        case Icon.TYPE_ADAPTIVE_BITMAP:
            break; // OK
        default:
            throw getInvalidIconException();
    }
    if (icon.hasTint()) {
        throw new IllegalArgumentException("Icons with tints are not supported");
    }

    return icon;
}
 

void saveIconAndFixUpShortcutLocked(ShortcutInfo shortcut) {
    if (shortcut.hasIconFile() || shortcut.hasIconResource()) {
        return;
    }

    final long token = injectClearCallingIdentity();
    try {
        // Clear icon info on the shortcut.
        removeIconLocked(shortcut);

        final Icon icon = shortcut.getIcon();
        if (icon == null) {
            return; // has no icon
        }
        int maxIconDimension = mMaxIconDimension;
        Bitmap bitmap;
        try {
            switch (icon.getType()) {
                case Icon.TYPE_RESOURCE: {
                    injectValidateIconResPackage(shortcut, icon);

                    shortcut.setIconResourceId(icon.getResId());
                    shortcut.addFlags(ShortcutInfo.FLAG_HAS_ICON_RES);
                    return;
                }
                case Icon.TYPE_BITMAP:
                    bitmap = icon.getBitmap(); // Don't recycle in this case.
                    break;
                case Icon.TYPE_ADAPTIVE_BITMAP: {
                    bitmap = icon.getBitmap(); // Don't recycle in this case.
                    maxIconDimension *= (1 + 2 * AdaptiveIconDrawable.getExtraInsetFraction());
                    break;
                }
                default:
                    // This shouldn't happen because we've already validated the icon, but
                    // just in case.
                    throw ShortcutInfo.getInvalidIconException();
            }
            mShortcutBitmapSaver.saveBitmapLocked(shortcut,
                    maxIconDimension, mIconPersistFormat, mIconPersistQuality);
        } finally {
            // Once saved, we won't use the original icon information, so null it out.
            shortcut.clearIcon();
        }
    } finally {
        injectRestoreCallingIdentity(token);
    }
}
 

/**
 * Returns the icon for this shortcut, without any badging for the profile.
 *
 * <p>The calling launcher application must be allowed to access the shortcut information,
 * as defined in {@link #hasShortcutHostPermission()}.
 *
 * @param density The preferred density of the icon, zero for default density. Use
 * density DPI values from {@link DisplayMetrics}.
 *
 * @return The drawable associated with the shortcut.
 * @throws IllegalStateException when the user is locked, or when the {@code user} user
 * is locked or not running.
 *
 * @see ShortcutManager
 * @see #getShortcutBadgedIconDrawable(ShortcutInfo, int)
 * @see DisplayMetrics
 */
public Drawable getShortcutIconDrawable(@NonNull ShortcutInfo shortcut, int density) {
    if (shortcut.hasIconFile()) {
        final ParcelFileDescriptor pfd = getShortcutIconFd(shortcut);
        if (pfd == null) {
            return null;
        }
        try {
            final Bitmap bmp = BitmapFactory.decodeFileDescriptor(pfd.getFileDescriptor());
            if (bmp != null) {
                BitmapDrawable dr = new BitmapDrawable(mContext.getResources(), bmp);
                if (shortcut.hasAdaptiveBitmap()) {
                    return new AdaptiveIconDrawable(null, dr);
                } else {
                    return dr;
                }
            }
            return null;
        } finally {
            try {
                pfd.close();
            } catch (IOException ignore) {
            }
        }
    } else if (shortcut.hasIconResource()) {
        return loadDrawableResourceFromPackage(shortcut.getPackage(),
                shortcut.getIconResourceId(), shortcut.getUserHandle(), density);
    } else if (shortcut.getIcon() != null) {
        // This happens if a shortcut is pending-approval.
        final Icon icon = shortcut.getIcon();
        switch (icon.getType()) {
            case Icon.TYPE_RESOURCE: {
                return loadDrawableResourceFromPackage(shortcut.getPackage(),
                        icon.getResId(), shortcut.getUserHandle(), density);
            }
            case Icon.TYPE_BITMAP:
            case Icon.TYPE_ADAPTIVE_BITMAP: {
                return icon.loadDrawable(mContext);
            }
            default:
                return null; // Shouldn't happen though.
        }
    } else {
        return null; // Has no icon.
    }
}