無法從Android中的Firebase Storge獲取下載URL。我得到:com.google.android.gms.tasks.zzn@而不是網址下載鏈接。我的代碼:storageReference.getDownloadUrl().addOnSuccessListener(new OnSuccessListener<Uri>() {@Override public void onSuccess(Uri uri) { uri1=uri; downloadURL =uri.toString(); // Got the download URL for 'users/me/profile.png' } }).addOnFailureListener(new OnFailureListener() { @Override public void onFailure(@NonNull Exception exception) { // Handle any errors } }); if(uri1==null&&downloadURL==null){ Toast.makeText(MainActivity.this, "error", Toast.LENGTH_SHORT).show(); }else if(uri1==null){ Toast.makeText(MainActivity.this, ""+downloadURL, Toast.LENGTH_SHORT).show(); }else if(downloadURL==null) { Toast.makeText(MainActivity.this, "" + uri1, Toast.LENGTH_SHORT).show(); }
1 回答

森林海
TA貢獻2011條經驗 獲得超2個贊
為了獲取URL,您需要附加一個偵聽器。因此,為解決此問題,請使用以下代碼:
ref.getDownloadUrl().addOnSuccessListener(new OnSuccessListener<Uri>() {
@Override
public void onSuccess(Uri uri) {
String uri = uri.toString();
Log.d("TAG", uri);
}).addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception exception) {
// Handle Errors
}
});
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