Question

解决方案：需要API 11，请参阅下面的答案！

简单问题：使用实施的DownloadManager下载文件后，通知消失。下载后如何强制通知保留？

我尝试使用VISIBILITY_VISIBLE_NOTIFY_COMPLETED，但我不知道如何使用它

感谢任何帮助解决这个问题;）

编辑：代码

public class BgDL extends Activity {

private DownloadManager mgr = null;
private long id;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    //setContentView(R.layout.main);

    mgr = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);

    Request request = new Request(Uri.parse(getIntent().getStringExtra("URL")));

    id = mgr.enqueue(request
            .setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, "UPDATE")
            .setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI|DownloadManager.Request.NETWORK_MOBILE)
            .setAllowedOverRoaming(false)
            .setTitle("APP update")
            .setDescription("New version "+getIntent().getDoubleExtra("OV", 0.0))


    );

   registerReceiver(receiver, new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE));

}
BroadcastReceiver receiver = new BroadcastReceiver () {


      public void onReceive(Context context, Intent intent) {
        String action = intent.getAction();
        if (action.equals(mgr.ACTION_DOWNLOAD_COMPLETE) ){
            unregisterReceiver(receiver);
            finishActivity(99);
        }
      }


};

}

Answer 1

在您的请求中添加正确的标记：

Request request = new Request(Uri.parse(getIntent().getStringExtra("URL")));

request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);

参考：

http://developer.android.com/reference/android/app/DownloadManager.Request.html#setNotificationVisibility(int)

控制下载管理器在下载运行或完成下载时是否发布系统通知。如果启用，下载管理器将通过系统NotificationManager发布有关下载的通知。默认情况下，仅在下载正在进行时才会显示通知。

http://developer.android.com/reference/android/app/DownloadManager.Request.html#VISIBILITY_VISIBLE_NOTIFY_COMPLETED

此下载可见，并在进行中和完成后显示在通知中。

通知消失 - Android DownloadManager

1 个答案: