Question

我正在向youtube学习如何使用android studio从firebase创建用户。我正确地遵循了istruction，但我遇到了问题。问题是，.createUserWithEmailAndPassword语法。似乎创建用户的任务不起作用，但在日志中没有显示任何错误。我已经在stackoverflow.com上提供了什么建议，但问题仍然存在。请帮我解决这个问题。谢谢

的AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.ahmadfaza.newfoodorderclient">
<uses-permission android:name="android.permission.INTERNET"/>
<application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:roundIcon="@mipmap/ic_launcher_round"
    android:supportsRtl="true"
    android:theme="@style/AppTheme">
    <activity
        android:name=".MainActivity"
        android:label="@string/app_name"
        android:theme="@style/AppTheme.NoActionBar">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
</application>

</manifest>

content_main.xml

<?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:orientation="vertical"
    android:layout_height="match_parent"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:context="com.example.ahmadfaza.newfoodorderclient.MainActivity"
    tools:showIn="@layout/activity_main">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Sign Up"
        />
    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Enter email"
        android:id="@+id/editEmail"
        />
    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Enter password"
        android:id="@+id/editPass"
        />
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Sign Up"
        android:onClick="signupButtonClicked"
        />
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Already have an account ?"
        android:layout_marginTop="250dp"
        />
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Sign In"
        android:onClick="signinButtonClicked"
        />
</LinearLayout>

MainActivity.java

package com.example.ahmadfaza.newfoodorderclient;

import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.text.TextUtils;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
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.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;

public class MainActivity extends AppCompatActivity {
    private EditText email,pass;
    private DatabaseReference mDatabase;
    private FirebaseAuth mAuth;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        email = (EditText) findViewById(R.id.editEmail);
        pass = (EditText) findViewById(R.id.editPass);
        mAuth = FirebaseAuth.getInstance();
        mDatabase = FirebaseDatabase.getInstance().getReference().child("users");
    }

    public void signupButtonClicked(View view)
    {
        final String email_text = email.getText().toString().trim();
        final String pass_text = pass.getText().toString().trim();

        if(!TextUtils.isEmpty(email_text) && !TextUtils.isEmpty(pass_text))
        {
            mAuth.createUserWithEmailAndPassword(email_text,pass_text).addOnCompleteListener(new OnCompleteListener<AuthResult>() {
                public void onComplete(@NonNull Task<AuthResult> task) {
                    if(task.isSuccessful())
                    {
                        String user_id = mAuth.getCurrentUser().getUid();
                        DatabaseReference current_user = mDatabase.child(user_id);
                        current_user.child("Name").setValue(email_text);
                    }
                }
            });
        }
    }
}

Android Firebase创建的用户任务不显示错误但无法正常工作

0 个答案: