根据包名获取应用图标和名称

private Drawable getIcon(String pakgename) {        PackageManager pm = getPackageManager();        try {            appInfo = pm.getApplicationInfo(pakgename, PackageManager.GET_META_DATA);////// 应用名称// pm.getApplicationLabel(appInfo)//应用图标            appIcon = pm.getApplicationIcon(appInfo);            return appIcon;        } catch (PackageManager.NameNotFoundException e) {            e.printStackTrace();        }        return null;    }