获取AndroidManifest文件中的meta值

获取meta值的方法

private String getChannel(String metaName) {
    try {
        ApplicationInfo info=this.getPackageManager().getApplicationInfo(getPackageName(), PackageManager.GET_META_DATA);
        if (info != null) {
            return info.metaData.getString(metaName);
        } else {
            return "empty";
        }    
} catch (PackageManager.NameNotFoundException e) {
        return "NameNotFoundException";
    }
}