String channelId = null;
        try {
            ApplicationInfo applicationInfo = getApplicationContext().getPackageManager().getApplicationInfo(getPackageName(), PackageManager.GET_META_DATA);
            if (applicationInfo != null) {
                if (applicationInfo.metaData != null) {
                    channelId = applicationInfo.metaData.getString("UMENG_CHANNEL"
 
);
                }
            }
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        MobclickAgent. startWithConfigure(new MobclickAgent.UMAnalyticsConfig(getApplicationContext(),"appkey",channelId));