java - 在firebase上注册失败java android studio
问题描述
我对此很陌生,并试图了解为什么我的代码不起作用。
没有错误,但以下不起作用
- 除了“身份验证失败!”之外,没有任何吐司可以工作。
- 当我正确注册时,根据我的所有限制,它会因课程的第 90 行错误而崩溃
- 一旦我在firebase网站上注册没有信息显示,在身份验证下,用户选项卡
下面的代码,请帮助
package com.mz4466.photowar;
import android.annotation.SuppressLint;
import android.content.Intent;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
import android.text.method.PasswordTransformationMethod;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
public class RegisterActivity extends AppCompatActivity {
DatabaseHelper db;
EditText mTextUsername;
EditText mTextPassword;
EditText mTextCnfPassword;
Button mButtonRegister;
TextView mTextViewLogin;
private FirebaseAuth mAuth;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
db = new DatabaseHelper(this);
mAuth = FirebaseAuth.getInstance();
mTextUsername = (EditText)findViewById(R.id.edittext_email);
mTextPassword = (EditText)findViewById(R.id.edittext_password);
mTextPassword.setTransformationMethod(new AsteriskPasswordTransformationMethod());
mTextCnfPassword = (EditText)findViewById(R.id.edittext_cnf_password);
mTextCnfPassword.setTransformationMethod(new AsteriskPasswordTransformationMethod());
mButtonRegister = (Button)findViewById(R.id.button_register);
mTextViewLogin = (TextView)findViewById(R.id.textview_login);
mTextViewLogin.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent LoginIntent = new Intent(RegisterActivity.this,LoginActivity.class);
startActivity(LoginIntent);
}
});
mButtonRegister.setOnClickListener(new View.OnClickListener() {
@SuppressLint("ShowToast")
@Override
public void onClick(View view) {
String email = mTextUsername.getText().toString().trim();
String pwd = mTextPassword.getText().toString().trim();
String cnf_pwd = mTextCnfPassword.getText().toString().trim();
if (TextUtils.isEmpty(email)){
Toast.makeText(RegisterActivity.this, "Please enter email", Toast.LENGTH_SHORT);
return;
}
if (TextUtils.isEmpty(pwd)) {
Toast.makeText(RegisterActivity.this, "Please enter password", Toast.LENGTH_SHORT);
return;
}
if (TextUtils.isEmpty(cnf_pwd)) {
Toast.makeText(RegisterActivity.this, "Please enter confirm password", Toast.LENGTH_SHORT);
return;
}
if (pwd.length()<6){
Toast.makeText(RegisterActivity.this, "Minimum 6 digit", Toast.LENGTH_SHORT);
return;
}
if(pwd.equals(cnf_pwd)){
mAuth.createUserWithEmailAndPassword(email, pwd)
.addOnCompleteListener(RegisterActivity.this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if (!task.isSuccessful()) {
startActivity(new Intent(getApplicationContext(),HomeActivity.class));
Toast.makeText(RegisterActivity.this,"You have registered!",Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(RegisterActivity.this,"Authentication Failed!",Toast.LENGTH_SHORT).show();
}
}
});
}
else{
Toast.makeText(RegisterActivity.this,"Password is not matching",Toast.LENGTH_SHORT).show();
}
}
});
}
public class AsteriskPasswordTransformationMethod extends PasswordTransformationMethod {
@Override
public CharSequence getTransformation(CharSequence source, View view) {
return new PasswordCharSequence(source);
}
private class PasswordCharSequence implements CharSequence {
private CharSequence mSource;
public PasswordCharSequence(CharSequence source) {
mSource = source; // Store char sequence
}
public char charAt(int index) {
return '*'; // This is the important part
}
public int length() {
return mSource.length(); // Return default
}
public CharSequence subSequence(int start, int end) {
return mSource.subSequence(start, end); // Return default
}
}
}
}
活动是
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:layout_height="match_parent"
android:background="@color/primary_light"
android:orientation="vertical"
android:gravity="center_horizontal"
tools:context="com.mz4466.photowar.RegisterActivity">
<ImageView
android:layout_width="wrap_content"
android:layout_height="250dp"
android:layout_marginTop="30sp"
app:srcCompat="@drawable/logo"/>
<EditText
android:id="@+id/edittext_email"
android:layout_width="206dp"
android:layout_height="40dp"
android:layout_marginTop="10dp"
android:paddingLeft="2dp"
android:background="#ffffff"
android:drawableLeft="@drawable/username"
android:hint="@string/email"/>
<EditText
android:id="@+id/edittext_password"
android:layout_width="206dp"
android:layout_height="40dp"
android:layout_marginTop="20dp"
android:background="#ffffff"
android:drawableLeft="@drawable/password"
android:hint="@string/password"/>
<EditText
android:id="@+id/edittext_cnf_password"
android:layout_width="206dp"
android:layout_height="40dp"
android:layout_marginTop="20dp"
android:background="#ffffff"
android:drawableLeft="@drawable/password"
android:hint="@string/confirm_password"/>
<Button
android:id="@+id/button_register"
android:layout_width="206dp"
android:layout_height="40dp"
android:layout_marginTop="20dp"
android:background="@color/accent"
android:textColor="@color/primary_text"
android:text="@string/register"/>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_marginTop="10dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="35dp"
android:textColor="@color/primary_text"
android:text="@string/already_registered"/>
<TextView
android:id="@+id/textview_login"
android:layout_width="wrap_content"
android:layout_height="35dp"
android:paddingLeft="10dp"
android:textStyle="bold"
android:textColor="@color/primary_text"
android:textSize="16sp"
android:text="@string/login"/>
</LinearLayout>
</LinearLayout>
解决方案
尝试这个:
mAuth.createUserWithEmailAndPassword(email, pwd)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if (!task.isSuccessful()) {
Toast.makeText(RegisterActivity.this,"Authentication Failed!",Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(RegisterActivity.this,"You have registered!",Toast.LENGTH_SHORT).show();
Intent intent = new Intent(RegisterActivity.this,HomeActivity.class);
startActivity(intent);
}
}
});
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