Android - 获取mate-data

getMetaData.java

  public static void getMetaDataOfActivity(){
    //在Activity应用<meta-data>元素。

    ActivityInfo info = this.getPackageManager()

            .getActivityInfo(getComponentName(),PackageManager.GET_META_DATA);

    info.metaData.getString("meta_name");
  
  }


 
  public static void getMetaDataOfApplicaiton(){
      //在application应用<meta-data>元素。

    ApplicationInfo appInfo = this.getPackageManager()

            .getApplicationInfo(getPackageName(),PackageManager.GET_META_DATA);

    appInfo.metaData.getString("meta_name");
  }


 
  public static void getMetaDataOfService(){
   //在service应用<meta-data>元素。

    ComponentName cn = new ComponentName(this, MetaDataService.class);

    ServiceInfo info = this.getPackageManager().getServiceInfo(cn, PackageManager.GET_META_DATA);

    info.metaData.getString("meta_name");
  }
   
 public static void getMetaDataOfReceiver(){
 
    //在receiver应用<meta-data>元素。

    ComponentName cn = new ComponentName(context, MetaDataReceiver.class);

    ActivityInfo info = context.getPackageManager().getReceiverInfo(cn, PackageManager.GET_META_DATA);

    info.metaData.getString("meta_name");
 }