我正在尝试在AlertDialog.Builder的builder.setPositiveButton方法中放置一些代码.

问题是我收到以下错误：无法解析方法’addOnCompletionListener(匿名android.content.DialogInterface.OnClickListener,匿名com.google.android.gms.tasks.OnCompletionListener< com.google.firebase.auth.AuthResult> )

这是代码：

@H_403_6@AlertDialog.Builder builder = new AlertDialog.Builder(SignUpActivity.this); builder.setTitle("Title"); builder.setView(R.layout.customlayout); builder.setPositiveButton("Continue",new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialogInterface,int i) { //error from below line mAuth.createUserWithEmailAndPassword(userEmail.getText().toString(),userPassword.getText().toString()) .addOnCompleteListener(this,new OnCompleteListener<AuthResult>() { @Override public void onComplete(@NonNull Task<AuthResult> task) { Log.d("signUpSuccessful","createUserWithEmail:onComplete:" + task.isSuccessful()); // If sign in fails,display a message to the user. If sign in succeeds // the auth state listener will be notified and logic to handle the // signed in user can be handled in the listener. if (!task.isSuccessful()) { Snackbar snackbar = Snackbar .make(coordinatorLayout,"Sign up Failed. Please retry.",Snackbar.LENGTH_SHORT); snackbar.show(); } // ... } }); //upto this line } }); AlertDialog dialog = builder.create(); dialog.show();

这有什么不对？

请告诉我.