firebase存储中的java在保存照片之前，我需要发送两次照片

2 年，4 月 Questions & Answers 87

（抱歉我的英语）（抱歉，如果这个问题与编程无关，我是新手）所以我正在制作一个聊天应用程序，但当我尝试发送照片时，它不会发送，只有当我发送两次后，它才会保存在数据库中

以下是我在logcat中得到的警告：

06-17 17:12:27.685 927-1000/? E/WifiConfigStore: updateConfiguration freq=2442 BSSID=f4:f2:6d:67:54:e8 RSSI=-59 "TP-LINK_54E8"WPA_PSK06-17 17:12:27.831 10830-11008/com.google.firebase.udacity.friendlychat E/StorageException: StorageException has occurred.
Object does not exist at location.
 Code: -13010 HttpResult: 404
{  "error": {    "code": 404,    "message": "Not Found.  Could not get object"  }}
java.io.IOException: {  "error": {    "code": 404,    "message": "Not Found.  Could not get object"  }}
    at bha.a(:com.google.安卓.gms.dynamite_dynamitemodulesc@12685024@12.6.85 (040406-197041431):147)
    at bha.a(:com.google.安卓.gms.dynamite_dynamitemodulesc@12685024@12.6.85 (040406-197041431):119)
    at bgu.onTransact(:com.google.安卓.gms.dynamite_dynamitemodulesc@12685024@12.6.85 (040406-197041431):7)
    at 安卓.os.Binder.transact(Binder.java:392)
    at com.google.安卓.gms.internal.firebase_storage.zza.transactAndReadExceptionReturnVoid(Unknown Source)
    at com.google.安卓.gms.internal.firebase_storage.zzm.zze(Unknown Source)
    at com.google.安卓.gms.internal.firebase_storage.zzq.zza(Unknown Source)
    at com.google.安卓.gms.internal.firebase_storage.zzf.zza(Unknown Source)
    at com.google.firebase.storage.zzc.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
    at java.lang.Thread.run(Thread.java:818)06-17 17:12:28.091 927-927/? E/WifiTrafficPoller: TRAFFIC_STATS_POLL true Token 1236 num clients 10
 packet count Tx=1047457 Rx=3285705 06-17 17:12:29.092 927-927/? E/WifiTrafficPoller: TRAFFIC_STATS_POLL true Token 1236 num clients 10
 packet count Tx=1047458 Rx=3285706

下面是代码：

protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
    super.onActivityResult(requestCode, resultCode, data);
    if (requestCode == RC_PHOTO_PICKER && resultCode == RESULT_OK) 
    {
        Uri selectedImageUri = data.getData();
        StorageReference photoRef = mSRreference.child(selectedImageUri.toString());
        photoRef.putFile(selectedImageUri);
        photoRef.getDownloadUrl().addOnSuccessListener(
            new OnSuccessListener<Uri>()

            @Override
            public void onSuccess(Uri uri)
            {
                Message m = new Message(null, mUsername, uri.toString());
                mDbReference.push().setValue(m);
            }
        );
    }
}

这里

Uri selectedImageUri = data.getData(); StorageReference photoRef = mSRreference.child(selectedImageUri.toString()); photoRef.putFile(selectedImageUri).addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() { @Override public void onSuccess(UploadTask.TaskSnapshot taskSnapshot){ //taskSnapshot.getDownloadUrl() Message m = new Message(null, mUsername, taskSnapshot.getDownloadUrl().toString()); mDbReference.push().setValue(m); } }).addOnFailureListener(new OnFailureListener() { @Override public void onFailure(@NonNull Exception e) { } });

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firebase存储中的java在保存照片之前，我需要发送两次照片

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