import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import de.hdodenhof.circleimageview.CircleImageView;
import android.app.ProgressDialog;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
import com.google.firebase.storage.FirebaseStorage;
import com.google.firebase.storage.StorageReference;
import com.google.firebase.storage.UploadTask;
import com.theartofdev.edmodo.cropper.CropImage;
import com.theartofdev.edmodo.cropper.CropImageView;
import java.util.HashMap;
public class SettingsActivity extends AppCompatActivity {
private Button UpdateAccountSettings;
private EditText userName, userStatus;
private CircleImageView userProfileImage;
private ProgressDialog loadingBar;
private String currentUserID;
private FirebaseAuth mAuth;
private DatabaseReference RootRef;
private final static int GalleryPick = 1;
private StorageReference UserProfileImagesRef;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_settings);
mAuth = FirebaseAuth.getInstance();
currentUserID = mAuth.getCurrentUser().getUid();
RootRef = FirebaseDatabase.getInstance().getReference();
UserProfileImagesRef = FirebaseStorage.getInstance().getReference().child("Profile Images");
InitializeFields();
userName.setVisibility(View.INVISIBLE);
UpdateAccountSettings.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
UpdateSettings();
}
});
RetrieveUserInfo();
userProfileImage.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent galleryIntent = new Intent();
galleryIntent.setAction(Intent.ACTION_GET_CONTENT);
galleryIntent.setType("image/*");
startActivityForResult(galleryIntent, GalleryPick);
}
});
}
private void InitializeFields() {
UpdateAccountSettings = (Button) findViewById(R.id.update_settings_button);
userName = (EditText) findViewById(R.id.set_user_name);
userStatus = (EditText) findViewById(R.id.set_profile_status);
userProfileImage = (CircleImageView) findViewById(R.id.set_profile_image);
loadingBar = new ProgressDialog(this);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == GalleryPick && resultCode == RESULT_OK && data != null) {
Uri ImageUri = data.getData();
CropImage.activity()
.setGuidelines(CropImageView.Guidelines.ON)
.setAspectRatio(1, 1)
.start(this);
}
if (requestCode == CropImage.CROP_IMAGE_ACTIVITY_REQUEST_CODE)
{
CropImage.ActivityResult result = CropImage.getActivityResult(data);
if (resultCode == RESULT_OK)
{
loadingBar.setTitle("Set Profile Image");
loadingBar.setMessage("Please wait, your profile image is updating...");
loadingBar.setCanceledOnTouchOutside(false);
loadingBar.show();
Uri resultUri = result.getUri();
StorageReference filePath = UserProfileImagesRef.child(currentUserID + ".jpg");
filePath.putFile(resultUri).addOnCompleteListener(new OnCompleteListener<UploadTask.TaskSnapshot>()
{
@Override
public void onComplete(@NonNull Task<UploadTask.TaskSnapshot> task)
{
if (task.isSuccessful())
{
Toast.makeText(SettingsActivity.this, "Profile Image uploaded Successfully...", Toast.LENGTH_SHORT).show();
} else
{
String message = task.getException().toString();
Toast.makeText(SettingsActivity.this, "Error: " + message, Toast.LENGTH_SHORT).show();
}
}
});
}
}
}
private void UpdateSettings ()
{
String setUserName = userName.getText().toString();
String setStatus = userStatus.getText().toString();
if (TextUtils.isEmpty(setUserName)) {
Toast.makeText(this, "Please write your user name first....", Toast.LENGTH_SHORT).show();
}
if (TextUtils.isEmpty(setStatus)) {
Toast.makeText(this, "Please write your status....", Toast.LENGTH_SHORT).show();
} else {
HashMap<String, Object> profileMap = new HashMap<>();
profileMap.put("uid", currentUserID);
profileMap.put("name", setUserName);
profileMap.put("status", setStatus);
RootRef.child("Users").child(currentUserID).setValue(profileMap)
.addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task) {
if (task.isSuccessful()) {
SendUserToMainActivity();
Toast.makeText(SettingsActivity.this, "Profile Updated Successfully...", Toast.LENGTH_SHORT).show();
String downloadUrl = task.getResult().getDownloadUrl().toString();
RootRef.child("Users").child(currentUserID).child("image")
.setValue(downloadUrl)
.addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task) {
if (task.isSuccessful())
{
Toast.makeText(SettingsActivity.this, "Image save in Database, Successfully...", Toast.LENGTH_SHORT).show();
loadingBar.dismiss();
}
else
{
String message = task.getException().toString();
Toast.makeText(SettingsActivity.this, "Error: " + message, Toast.LENGTH_SHORT).show();
loadingBar.dismiss();
}
}
});
}
else
{
String message = task.getException().toString();
Toast.makeText(SettingsActivity.this, "Error: " + message, Toast.LENGTH_SHORT).show();
loadingBar.dismiss();
}
}
});
}
}
private void RetrieveUserInfo () {
RootRef.child("Users").child(currentUserID)
.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
if ((dataSnapshot.exists()) && (dataSnapshot.hasChild("name") && (dataSnapshot.hasChild("image")))) {
String retrieveUserName = dataSnapshot.child("name").getValue().toString();
String retrievesStatus = dataSnapshot.child("status").getValue().toString();
String retrieveProfileImage = dataSnapshot.child("image").getValue().toString();
userName.setText(retrieveUserName);
userStatus.setText(retrievesStatus);
} else if ((dataSnapshot.exists()) && (dataSnapshot.hasChild("name"))) {
String retrieveUserName = dataSnapshot.child("name").getValue().toString();
String retrievesStatus = dataSnapshot.child("status").getValue().toString();
userName.setText(retrieveUserName);
userStatus.setText(retrievesStatus);
} else {
userName.setVisibility(View.VISIBLE);
Toast.makeText(SettingsActivity.this, "Please set & update your profile information...", Toast.LENGTH_SHORT).show();
}
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
}
});
}
private void SendUserToMainActivity ()
{
Intent mainIntent = new Intent(SettingsActivity.this, MainActivity.class);
mainIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(mainIntent);
finish();
}
}
无法解决此问题（字符串downloadUrl = task.getResult（）。getDownloadUrl（）。toString（）;），任何人都无法详细解释下一步该怎么做。搜索解决方案至少3个小时，但仍然无法获取。 尝试更改TaskSnapshot，但现在我对自己编写代码的代码感到困惑。我一直在遵循youtube指南，到3年前为止，到目前为止仍然不知何故。