android 广播,manifest.xml注册，代码编写

1.种

private void downloadBr(File file) {

  // 广播出去，由广播接收器来处理下载完成的文件

  Intent sendIntent = new Intent("com.test.downloadComplete");

  // 把下载好的文件的保存地址加进Intent

  sendIntent.putExtra("downloadFile", file.getPath());

  sendBroadcast(sendIntent);

 }

<receiver android:name="com.yuxin.mhealth.ui.dbmanager.DownLoadBR" >

            <intent-filter>

                <action android:name="com.test.downloadComplete" >

                </action>

            </intent-filter>

        </receiver>

2种

public  static  void start(Context context,String fileUrl,String name){

  Intent downloadIntent = new Intent(context, DownloadFileService.class);

        Bundle bundle = new Bundle();

        bundle.putString("url", fileUrl);

        bundle.putString("fileName", name);

        downloadIntent.putExtras(bundle);

        context.startService(downloadIntent);

 }

<service android:name="com.yuxin.mhealth.ui.dbmanager.DownloadFileService" >

        </service>