Java 错误:找不到符号方法getDownloadUrl()
我还是个编程新手。我正在申请一份大学工作。然而,我遇到了这个错误。我不知道怎样才能修好它。这个问题: 错误:找不到符号方法Java 错误:找不到符号方法getDownloadUrl(),java,android,firebase,firebase-storage,Java,Android,Firebase,Firebase Storage,我还是个编程新手。我正在申请一份大学工作。然而,我遇到了这个错误。我不知道怎样才能修好它。这个问题: 错误:找不到符号方法getDownloadUrl() 如何解决此错误 这是我的密码: package com.valcirjr98.logindj; $public class ProfileActivity extends AppCompatActivity { private static final int CHOOSE_IMAGE = 101; TextView
getDownloadUrl()
如何解决此错误
这是我的密码:
package com.valcirjr98.logindj;
$public class ProfileActivity extends AppCompatActivity {
private static final int CHOOSE_IMAGE = 101;
TextView textView;
ImageView imageView;
EditText editText;
Uri uriProfileImage;
ProgressBar progressBar;
String profileImageUrl;
FirebaseAuth mAuth;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_profile);
mAuth = FirebaseAuth.getInstance();
Toolbar toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
editText = (EditText) findViewById(R.id.editTextDisplayName);
imageView = (ImageView) findViewById(R.id.imageView);
progressBar = (ProgressBar) findViewById(R.id.progressbar);
textView = (TextView) findViewById(R.id.textViewVerified);
imageView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
showImageChooser();
}
});
loadUserInformation();
findViewById(R.id.buttonSave).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
saveUserInformation();
}
});
}
@Override
protected void onStart() {
super.onStart();
if (mAuth.getCurrentUser() == null) {
finish();
startActivity(new Intent(this, MainActivity.class));
}
}
private void loadUserInformation() {
final FirebaseUser user = mAuth.getCurrentUser();
if (user != null) {
if (user.getPhotoUrl() != null) {
Glide.with(this)
.load(user.getPhotoUrl().toString())
.into(imageView);
}
if (user.getDisplayName() != null) {
editText.setText(user.getDisplayName());
}
if (user.isEmailVerified()) {
textView.setText("Email Verified");
} else {
textView.setText("Email Not Verified (Click to Verify)");
textView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
user.sendEmailVerification().addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task) {
Toast.makeText(ProfileActivity.this, "Verification Email Sent", Toast.LENGTH_SHORT).show();
}
});
}
});
}
}
}
private void saveUserInformation() {
String displayName = editText.getText().toString();
if (displayName.isEmpty()) {
editText.setError("Name required");
editText.requestFocus();
return;
}
FirebaseUser user = mAuth.getCurrentUser();
if (user != null && profileImageUrl != null) {
UserProfileChangeRequest profile = new UserProfileChangeRequest.Builder()
.setDisplayName(displayName)
.setPhotoUri(Uri.parse(profileImageUrl))
.build();
user.updateProfile(profile)
.addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task) {
if (task.isSuccessful()) {
Toast.makeText(ProfileActivity.this, "Profile Updated", Toast.LENGTH_SHORT).show();
}
}
});
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == CHOOSE_IMAGE && resultCode == RESULT_OK && data != null && data.getData() != null) {
uriProfileImage = data.getData();
try {
Bitmap bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), uriProfileImage);
imageView.setImageBitmap(bitmap);
uploadImageToFirebaseStorage();
} catch (IOException e) {
e.printStackTrace();
}
}
}
private void uploadImageToFirebaseStorage() {
StorageReference profileImageRef =
FirebaseStorage.getInstance().getReference("profilepics/" + System.currentTimeMillis() + ".jpg");
if (uriProfileImage != null) {
progressBar.setVisibility(View.VISIBLE);
profileImageRef.putFile(uriProfileImage)
.addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
@Override
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
progressBar.setVisibility(View.GONE);
profileImageUrl = taskSnapshot.getDownloadUrl().toString();
}
})
.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
progressBar.setVisibility(View.GONE);
Toast.makeText(ProfileActivity.this, e.getMessage(), Toast.LENGTH_SHORT).show();
}
});
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.menuLogout:
FirebaseAuth.getInstance().signOut();
finish();
startActivity(new Intent(this, MainActivity.class));
break;
}
return true;
}
private void showImageChooser() {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Select Profile Image"), CHOOSE_IMAGE);
}
}
package com.valcirjr98.logindj;
$public class ProfileActivity扩展了AppCompatActivity{
私有静态最终int选择_IMAGE=101;
文本视图文本视图;
图像视图图像视图;
编辑文本编辑文本;
Uri图像;
ProgressBar ProgressBar;
字符串profileImageUrl;
FirebaseAuth mAuth;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_profile);
mAuth=FirebaseAuth.getInstance();
Toolbar Toolbar=findviewbyd(R.id.Toolbar);
设置支持操作栏(工具栏);
editText=(editText)findViewById(R.id.editTextDisplayName);
imageView=(imageView)findViewById(R.id.imageView);
progressBar=(progressBar)findViewById(R.id.progressBar);
textView=(textView)findViewById(R.id.textViewVerified);
imageView.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图){
showImageChooser();
}
});
loadUserInformation();
findviewbyd(R.id.buttonSave).setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图){
saveUserInformation();
}
});
}
@凌驾
受保护的void onStart(){
super.onStart();
if(mAuth.getCurrentUser()==null){
完成();
startActivity(新意图(this,MainActivity.class));
}
}
私有void loadUserInformation(){
最终FirebaseUser=mAuth.getCurrentUser();
如果(用户!=null){
if(user.getPhotoUrl()!=null){
用(这个)滑翔
.load(user.getPhotoUrl().toString())
.进入(图像视图);
}
if(user.getDisplayName()!=null){
editText.setText(user.getDisplayName());
}
if(user.isEmailVerified()){
textView.setText(“电子邮件验证”);
}否则{
setText(“电子邮件未验证(单击验证)”;
textView.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图){
user.sendEmailVerification().addOnCompleteListener(新的OnCompleteListener()){
@凌驾
未完成的公共void(@NonNull任务){
Toast.makeText(ProfileActivity.this,“已发送验证电子邮件”,Toast.LENGTH_SHORT.show();
}
});
}
});
}
}
}
私有void saveUserInformation(){
字符串displayName=editText.getText().toString();
if(displayName.isEmpty()){
editText.setError(“需要名称”);
editText.requestFocus();
返回;
}
FirebaseUser=mAuth.getCurrentUser();
if(user!=null&&profileImageUrl!=null){
UserProfileChangeRequest配置文件=新的UserProfileChangeRequest.Builder()
.setDisplayName(displayName)
.setPhotoUri(Uri.parse(profileImageUrl))
.build();
user.updateProfile(配置文件)
.addOnCompleteListener(新的OnCompleteListener(){
@凌驾
未完成的公共void(@NonNull任务){
if(task.issusccessful()){
Toast.makeText(ProfileActivity.this,“配置文件更新”,Toast.LENGTH_SHORT.show();
}
}
});
}
}
@凌驾
受保护的void onActivityResult(int请求代码、int结果代码、意图数据){
super.onActivityResult(请求代码、结果代码、数据);
if(requestCode==CHOOSE_IMAGE&&resultCode==RESULT_OK&&data!=null&&data.getData()!=null){
uriProfileImage=data.getData();
试一试{
位图Bitmap=MediaStore.Images.Media.getBitmap(getContentResolver(),uriProfileImage);
设置图像位图(位图);
上载ImageToFireBaseStorage();
}捕获(IOE异常){
e、 printStackTrace();
}
}
}
私有void上传ImageToFireBaseStorage(){
StorageReference配置文件ImageRef=
FirebaseStorage.getInstance().getReference(“profilepics/”+System.currentTimeMillis()+”.jpg”);
if(uriProfileImage!=null){
progressBar.setVisibility(View.VISIBLE);
profileImageRef.putFile(uriProfileImage)
.addOnSuccessListener(新的OnSuccessListener(){
@凌驾
成功时公共无效(UploadTask.TaskSnapshot TaskSnapshot){
progressBar.setVisibility(View.GONE);
profileImageUrl=taskSnapshot.getDownloadUrl().toString();
}
})
.addOnFailureListener(新的OnFailureListener(){
@凌驾
public void onFailure(@NonNull异常e){
progressBar.setVisibility(View.GONE);
Toast.makeText(ProfileActivity.this,e.getMessage(),Toast.LENGTH_SHORT).show();
}
profileImageRef.putFile(uriProfileImage).addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
@Override
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
profileImageUrl= taskSnapshot.getDownloadUrl().toString();
}
});
profileImageRef.putFile(uriProfileImage).addOnCompleteListener(new OnCompleteListener<UploadTask.TaskSnapshot>() {
@Override
public void onComplete(@NonNull Task<UploadTask.TaskSnapshot> task) {
if (task.isSuccessful() && task != null) {
profileImageUrl = task.getResult().getDownloadUrl().toString();
}
}
});