java - String downloadThumbUri = uploadTask.getResult().getStorage().getDownloadUrl().toString(); 不适用于 UploadTasks
问题描述
如何获取下载 URI?
String downloadThumbUri = uploadTask.getResult().getStorage().getDownloadUrl().toString();
不管用。
我正在使用 Bitmap 压缩图像以将其用作缩略图。这是代码:
ByteArrayOutputStream baos = new ByteArrayOutputStream();
compressedImageFile.compress(Bitmap.CompressFormat.JPEG, 100, baos);
byte[] thumbData = baos.toByteArray();
final UploadTask uploadTask = storageReference.child("post_images/thumbs").child(randomName + ".jpg").putBytes(thumbData);
uploadTask.addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
@Override
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
//Toast.makeText(NewPostActivity.this,"Thumbnail was uploaded ",Toast.LENGTH_LONG).show();
String downloadThumbUri = uploadTask.getResult().getStorage().getDownloadUrl().toString();
Map<String,Object> postMap = new HashMap<>();
postMap.put("image url",downloadUri);
postMap.put("thumb",downloadThumbUri);
postMap.put("desc",desc);
postMap.put("user_id",current_user_id);
postMap.put("timestamp",FieldValue.serverTimestamp());
firebaseFirestore.collection("Posts").add(postMap).addOnCompleteListener(new OnCompleteListener<DocumentReference>() {
@Override
public void onComplete(@NonNull Task<DocumentReference> task) {
if(task.isSuccessful()){
newPostProgress.setVisibility(View.INVISIBLE);
Toast.makeText(NewPostActivity.this,"Post was added ",Toast.LENGTH_LONG).show();
Intent mainIntent = new Intent(NewPostActivity.this,MainActivity.class);
startActivity(mainIntent);
finish();
}
}
})
}
}
解决方案
使用以下代码获取下载 uri 并存储在 Firestore 中。把它放在onSucess里面
uploadTask.getDownloadUrl().addOnCompleteListener(new OnCompleteListener<Uri>() {
@Override
public void onComplete(@NonNull Task<Uri> task) {
String downloadThumbUri = task.getResult().toString();
Map<String,Object> postMap = new HashMap<>();
postMap.put("image url",downloadUri);
postMap.put("thumb",downloadThumbUri);
postMap.put("desc",desc);
postMap.put("user_id",current_user_id);
postMap.put("timestamp",FieldValue.serverTimestamp());
firebaseFirestore.collection("Posts").add(postMap).addOnCompleteListener(new OnCompleteListener<DocumentReference>() {
@Override
public void onComplete(@NonNull Task<DocumentReference> task) {
if(task.isSuccessful()){
newPostProgress.setVisibility(View.INVISIBLE);
Toast.makeText(NewPostActivity.this,"Post was added ",Toast.LENGTH_LONG).show();
Intent mainIntent = new Intent(NewPostActivity.this,MainActivity.class);
startActivity(mainIntent);
finish();
}
});
}
})
.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
progressBar.setVisibility(View.GONE);
Toast.makeText(ProfileActivity.this, "aaa "+e.getMessage(), Toast.LENGTH_SHORT).show();
}
});
推荐阅读
- json - 如何在 Go 中处理嵌套的 JSON 数据
- laravel - 如何路由视图和 css 中的所有图像以在 Laravel 中使用 IMGIX url?
- php - 如何解析在另一个文件夹中定义的 PHP 类
- flutter - 错误:在 _SomeWidget 小部件上方找不到正确的 Provider<>
- sql - 在连接列的多个值上连接两个表
- sql - 运行带有时间戳作为字符串的 sql 查询的 Azure ADF 管道错误
- sublimetext3 - Sublime Text 索引花费比平时更长的时间
- c++ - 我试图了解使用 MPI 库和 C++ 语言的并行代码和顺序代码之间的区别
- javascript - Chrome 扩展 chrome.storage.sync.get 未定义
- python-3.x - 儒略日数到python中的本地日期时间