Android工具类之创建删除快捷图标

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/** * 创建删除快捷图标 * <p/> * 需要权限: com.android.launcher.permission.INSTALL_SHORTCUT * com.android.launcher.permission.UNINSTALL_SHORTCUT */public final class ShortCutUtil {    /**     * Don't let anyone instantiate this class.     */    private ShortCutUtil() {        throw new Error("Do not need instantiate!");    }    /**     * 检测是否存在快捷键     *     * @param activity Activity     * @return 是否存在桌面图标     */    public static boolean hasShortcut(Activity activity) {        boolean isInstallShortcut = false;        final ContentResolver cr = activity.getContentResolver();        final String AUTHORITY = "com.android.launcher.settings";        final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY                + "/favorites?notify=true");        Cursor c = cr.query(CONTENT_URI,                new String[]{"title", "iconResource"}, "title=?",                new String[]{activity.getString(R.string.app_name).trim()},                null);        if (c != null && c.getCount() > 0) {            isInstallShortcut = true;        }        return isInstallShortcut;    }    /**     * 为程序创建桌面快捷方式     *     * @param activity Activity     * @param res      res     */    public static void addShortcut(Activity activity, int res) {        Intent shortcut = new Intent(                "com.android.launcher.action.INSTALL_SHORTCUT");        // 快捷方式的名称        shortcut.putExtra(Intent.EXTRA_SHORTCUT_NAME,                activity.getString(R.string.app_name));        // 不允许重复创建        shortcut.putExtra("duplicate", false);        Intent shortcutIntent = new Intent(Intent.ACTION_MAIN);        shortcutIntent.setClassName(activity, activity.getClass().getName());        shortcut.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);        // 快捷方式的图标        Intent.ShortcutIconResource iconRes = Intent.ShortcutIconResource.fromContext(                activity, res);        shortcut.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, iconRes);        activity.sendBroadcast(shortcut);    }    /**     * 删除程序的快捷方式     *     * @param activity Activity     */    public static void delShortcut(Activity activity) {        Intent shortcut = new Intent(                "com.android.launcher.action.UNINSTALL_SHORTCUT");        // 快捷方式的名称        shortcut.putExtra(Intent.EXTRA_SHORTCUT_NAME,                activity.getString(R.string.app_name));        String appClass = activity.getPackageName() + "."                + activity.getLocalClassName();        ComponentName comp = new ComponentName(activity.getPackageName(),                appClass);        shortcut.putExtra(Intent.EXTRA_SHORTCUT_INTENT, new Intent(                Intent.ACTION_MAIN).setComponent(comp));        activity.sendBroadcast(shortcut);    }}
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