Java 将图像上载到Firebase存储并在Firebase数据库中存储链接
我正在将一个图像上载到firebase,我想将其url存储到数据库中 我的图像上载到Firebase存储中,名称存储在Firebase数据库中 但在ImageUrl“com.google.android.gms.tasks”中。zzu@5ef6ed8“存储这种url 我应该做哪些更改来存储正确的url 请提供完整的代码 这是我上传的照片Java 将图像上载到Firebase存储并在Firebase数据库中存储链接,java,android,firebase,firebase-realtime-database,firebase-storage,Java,Android,Firebase,Firebase Realtime Database,Firebase Storage,我正在将一个图像上载到firebase,我想将其url存储到数据库中 我的图像上载到Firebase存储中,名称存储在Firebase数据库中 但在ImageUrl“com.google.android.gms.tasks”中。zzu@5ef6ed8“存储这种url 我应该做哪些更改来存储正确的url 请提供完整的代码 这是我上传的照片 package com.namandevloper.satyampublic; import androidx.annotation.NonNull; imp
package com.namandevloper.satyampublic;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import android.app.ProgressDialog;
import android.content.ContentResolver;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.webkit.MimeTypeMap;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;
import com.google.android.gms.tasks.OnFailureListener;
import com.google.android.gms.tasks.OnSuccessListener;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.storage.FirebaseStorage;
import com.google.firebase.storage.OnProgressListener;
import com.google.firebase.storage.StorageReference;
import com.google.firebase.storage.UploadTask;
import com.squareup.picasso.Picasso;
public class Upload_Photos extends AppCompatActivity {
private static final int PICK_IMAGE_REQUEST = 1;
private ImageView imageView;
private EditText name;
private Button uploadbutton;
private Uri imageuri;
private StorageReference mStorageref;
private DatabaseReference mDatabaseref;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_upload__photos);
imageView = findViewById(R.id.image);
name = findViewById(R.id.name);
uploadbutton = findViewById(R.id.btn_upload);
mStorageref = FirebaseStorage.getInstance().getReference("Upload Photos");
mDatabaseref = FirebaseDatabase.getInstance().getReference("Upload Photos");
imageView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
openfilechooser();
}
});
uploadbutton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
uploadfile();
}
});
}
private String getFileExtension(Uri uri){
ContentResolver cr = getContentResolver();
MimeTypeMap mime = MimeTypeMap.getSingleton();
return mime.getExtensionFromMimeType(cr.getType(uri));
}
private void uploadfile() {
final ProgressDialog progressDialog = new ProgressDialog(this);
progressDialog.setTitle("Uploading");
progressDialog.show();
if (imageuri !=null){
StorageReference filereference = mStorageref.child(System.currentTimeMillis()+
"."+getFileExtension(imageuri));
filereference.putFile(imageuri)
.addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
@Override
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
Toast.makeText(Upload_Photos.this, "Upload Successfully", Toast.LENGTH_SHORT).show();
Upload upload = new Upload(name.getText().toString().trim(),taskSnapshot.getMetadata().getReference().getDownloadUrl()
.toString());
progressDialog.show();
String uploadId = mDatabaseref.push().getKey();
mDatabaseref.child(uploadId).setValue(upload);
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.dismiss();
}
})
.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
}
})
.addOnProgressListener(new OnProgressListener<UploadTask.TaskSnapshot>() {
@Override
public void onProgress(UploadTask.TaskSnapshot taskSnapshot) {
double progress = (100.0*taskSnapshot.getBytesTransferred())/taskSnapshot.getTotalByteCount();
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.setMessage("Uploaded " +(int)progress+"%");
}
});
}else
Toast.makeText(this, "Please Select a Image", Toast.LENGTH_SHORT).show();
}
private void openfilechooser() {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(intent,PICK_IMAGE_REQUEST);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == PICK_IMAGE_REQUEST && resultCode == RESULT_OK && data !=null &&
data.getData()!=null){
imageuri = data.getData();
Picasso .get().load(imageuri).into(imageView);
}
}
}
这是我的活动上传照片
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:padding="16dp"
android:layout_height="match_parent"
tools:context=".Upload_Photos">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Click Image to Upload"
android:layout_centerHorizontal="true"
android:layout_marginTop="50dp"
android:textSize="22dp"
android:textStyle="bold"
/>
<ImageView
android:id="@+id/image"
android:layout_width="380dp"
android:layout_height="249dp"
android:layout_centerHorizontal="true"
android:layout_marginTop="100dp"
android:src="@drawable/click" />
<EditText
android:id="@+id/name"
android:layout_width="354dp"
android:layout_height="66dp"
android:layout_centerHorizontal="true"
android:layout_marginTop="400dp"
android:hint="Image Name" />
<Button
android:id="@+id/btn_upload"
android:layout_width="249dp"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="500dp"
android:background="@android:color/holo_red_dark"
android:text="Upload"
android:textColor="@android:color/white"
android:textStyle="bold" />
</RelativeLayout>
这就是我的数据库的外观
您必须调用侦听器才能从firebase存储获取下载uri。使用以下代码来完成此操作。阅读
filereference.putFile(imageuri)
.addOnSuccessListener(新的OnSuccessListener(){
@凌驾
成功时公共无效(UploadTask.TaskSnapshot TaskSnapshot){
Toast.makeText(上传照片,这是“上传成功”,Toast.LENGTH\u SHORT.show();
filepath.getDownloadUrl().addOnSuccessListener(新OnSuccessListener()){
@凌驾
成功时的公共无效(Uri){
Uri downloadUrl=Uri;
Upload Upload=新上载(name.getText().toString().trim(),downloadUrl.toString());
progressDialog.show();
字符串uploadId=mDatabaseref.push().getKey();
mDatabaseref.child(uploadId).setValue(upload);
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.disclose();
}
});
}
})
.addOnFailureListener(新的OnFailureListener(){
@凌驾
public void onFailure(@NonNull异常e){
}
})
.addOnProgressListener(新的OnProgressListener(){
@凌驾
public void onProgress(UploadTask.TaskSnapshot TaskSnapshot){
双进度=(100.0*taskSnapshot.GetByTestTransferred())/taskSnapshot.getTotalByteCount();
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.setMessage(“上传”+(int)进度+“%”;
}
});
当我使用filepath时,它显示无法解析符号;当我使用filereference时,它在底部显示2-3个错误。我该怎么办?请在更正后将整个代码发送给我,或者我可以亲自与您交谈吗?@user9157668请使用更新的代码是的,我使用了它,但它下面的所有内容都给了我错误。请输入完整的代码。请解释您得到的错误。addOnProgressListener(new OnProgressListener(){给出错误无法解决的方法。请您在其他平台上与我交谈好吗?
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:padding="16dp"
android:layout_height="match_parent"
tools:context=".Upload_Photos">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Click Image to Upload"
android:layout_centerHorizontal="true"
android:layout_marginTop="50dp"
android:textSize="22dp"
android:textStyle="bold"
/>
<ImageView
android:id="@+id/image"
android:layout_width="380dp"
android:layout_height="249dp"
android:layout_centerHorizontal="true"
android:layout_marginTop="100dp"
android:src="@drawable/click" />
<EditText
android:id="@+id/name"
android:layout_width="354dp"
android:layout_height="66dp"
android:layout_centerHorizontal="true"
android:layout_marginTop="400dp"
android:hint="Image Name" />
<Button
android:id="@+id/btn_upload"
android:layout_width="249dp"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="500dp"
android:background="@android:color/holo_red_dark"
android:text="Upload"
android:textColor="@android:color/white"
android:textStyle="bold" />
</RelativeLayout>
filereference.putFile(imageuri)
.addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
@Override
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
Toast.makeText(Upload_Photos.this, "Upload Successfully", Toast.LENGTH_SHORT).show();
filepath.getDownloadUrl().addOnSuccessListener(new OnSuccessListener<Uri>() {
@Override
public void onSuccess(Uri uri) {
Uri downloadUrl = uri;
Upload upload = new Upload(name.getText().toString().trim(),downloadUrl.toString());
progressDialog.show();
String uploadId = mDatabaseref.push().getKey();
mDatabaseref.child(uploadId).setValue(upload);
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.dismiss();
}
});
}
})
.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
}
})
.addOnProgressListener(new OnProgressListener<UploadTask.TaskSnapshot>() {
@Override
public void onProgress(UploadTask.TaskSnapshot taskSnapshot) {
double progress = (100.0*taskSnapshot.getBytesTransferred())/taskSnapshot.getTotalByteCount();
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.setMessage("Uploaded " +(int)progress+"%");
}
});