Android 单击按钮时无法继续执行下一个活动
我试图在点击按钮时打开下一页,同时存储已输入的值。但是每次我点击按钮,我都会从else语句中得到消息。我哪里出错了 这是我的班级代码:Android 单击按钮时无法继续执行下一个活动,android,Android,我试图在点击按钮时打开下一页,同时存储已输入的值。但是每次我点击按钮,我都会从else语句中得到消息。我哪里出错了 这是我的班级代码: package com.example.wirespeed_systems.k_mart; import android.content.Intent; import android.support.annotation.NonNull; import android.support.design.widget.TextInputEditText; impor
package com.example.wirespeed_systems.k_mart;
import android.content.Intent;
import android.support.annotation.NonNull;
import android.support.design.widget.TextInputEditText;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
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;
public class RegisterActivity extends AppCompatActivity {
private TextInputEditText mDisplayName;
private TextInputEditText mEmail;
private TextInputEditText mPassword;
private Button mCreateBtn;
private FirebaseAuth mAuth;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
mAuth = FirebaseAuth.getInstance();
mDisplayName = (TextInputEditText)findViewById(R.id.reg_disName);
mEmail = (TextInputEditText)findViewById(R.id.reg_email);
mPassword = (TextInputEditText)findViewById(R.id.reg_password);
mCreateBtn = (Button)findViewById(R.id.reg_create);
mCreateBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String display_name = mDisplayName.getText().toString();
String email = mEmail.getText().toString();
String password = mPassword.getText().toString();
registerUser(display_name,email,password);
}
});
}
private void registerUser(String display_name, String email, String password) {
mAuth.createUserWithEmailAndPassword(email, password)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if (task.isSuccessful()) {
Intent mainIntent = new Intent(RegisterActivity.this, MainActivity.class);
startActivity(mainIntent);
finish();
} else {
Toast.makeText(RegisterActivity.this, "Authentication failed.",
Toast.LENGTH_SHORT).show();
}
}
});
}
}
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout 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"
tools:context=".RegisterActivity">
<android.support.design.widget.TextInputLayout
android:id="@+id/textInputLayout"
android:layout_width="368dp"
android:layout_height="44dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="160dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<android.support.design.widget.TextInputEditText
android:id="@+id/reg_disName"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/display_name" />
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/textInputLayout2"
android:layout_width="368dp"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="36dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textInputLayout">
<android.support.design.widget.TextInputEditText
android:id="@+id/reg_email"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/email" />
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/textInputLayout3"
android:layout_width="368dp"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="36dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textInputLayout2">
<android.support.design.widget.TextInputEditText
android:id="@+id/reg_password"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/password" />
</android.support.design.widget.TextInputLayout>
<Button
android:id="@+id/reg_create"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginTop="32dp"
android:text="@string/create_account"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textInputLayout3" />
</android.support.constraint.ConstraintLayout>
package com.example.wirespeed\u systems.k\u mart;
导入android.content.Intent;
导入android.support.annotation.NonNull;
导入android.support.design.widget.text输入文本;
导入android.support.v7.app.AppActivity;
导入android.os.Bundle;
导入android.view.view;
导入android.widget.Button;
导入android.widget.Toast;
导入com.google.android.gms.tasks.OnCompleteListener;
导入com.google.android.gms.tasks.Task;
导入com.google.firebase.auth.AuthResult;
导入com.google.firebase.auth.FirebaseAuth;
公共类注册活动扩展了AppCompatActivity{
私有文本输入文本mDisplayName;
私有文本输入文本mEmail;
私有文本输入文本mPassword;
专用按钮mCreateBtn;
私人消防队;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity\u寄存器);
mAuth=FirebaseAuth.getInstance();
mDisplayName=(textInputItemText)findViewById(R.id.reg\u disName);
mEmail=(textinputtext)findviewbyd(R.id.reg_电子邮件);
mPassword=(textinputtext)findviewbyd(R.id.reg\u密码);
mCreateBtn=(按钮)findViewById(R.id.reg\u create);
mCreateBtn.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图v){
String display_name=mDisplayName.getText().toString();
字符串email=mEmail.getText().toString();
字符串密码=mPassword.getText().toString();
注册服务器(显示名称、电子邮件、密码);
}
});
}
私有无效注册表服务器(字符串显示\名称、字符串电子邮件、字符串密码){
mAuth.createUserWithEmailAndPassword(电子邮件,密码)
.addOnCompleteListener(这是新的OnCompleteListener(){
@凌驾
未完成的公共void(@NonNull任务){
if(task.issusccessful()){
Intent maintent=新的Intent(RegisterActivity.this,MainActivity.class);
星触觉(主旨);
完成();
}否则{
Toast.makeText(RegisterActivity.this,“身份验证失败”,
吐司。长度(短)。show();
}
}
});
}
}
这是我的活动类代码:
package com.example.wirespeed_systems.k_mart;
import android.content.Intent;
import android.support.annotation.NonNull;
import android.support.design.widget.TextInputEditText;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
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;
public class RegisterActivity extends AppCompatActivity {
private TextInputEditText mDisplayName;
private TextInputEditText mEmail;
private TextInputEditText mPassword;
private Button mCreateBtn;
private FirebaseAuth mAuth;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
mAuth = FirebaseAuth.getInstance();
mDisplayName = (TextInputEditText)findViewById(R.id.reg_disName);
mEmail = (TextInputEditText)findViewById(R.id.reg_email);
mPassword = (TextInputEditText)findViewById(R.id.reg_password);
mCreateBtn = (Button)findViewById(R.id.reg_create);
mCreateBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String display_name = mDisplayName.getText().toString();
String email = mEmail.getText().toString();
String password = mPassword.getText().toString();
registerUser(display_name,email,password);
}
});
}
private void registerUser(String display_name, String email, String password) {
mAuth.createUserWithEmailAndPassword(email, password)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if (task.isSuccessful()) {
Intent mainIntent = new Intent(RegisterActivity.this, MainActivity.class);
startActivity(mainIntent);
finish();
} else {
Toast.makeText(RegisterActivity.this, "Authentication failed.",
Toast.LENGTH_SHORT).show();
}
}
});
}
}
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout 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"
tools:context=".RegisterActivity">
<android.support.design.widget.TextInputLayout
android:id="@+id/textInputLayout"
android:layout_width="368dp"
android:layout_height="44dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="160dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<android.support.design.widget.TextInputEditText
android:id="@+id/reg_disName"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/display_name" />
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/textInputLayout2"
android:layout_width="368dp"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="36dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textInputLayout">
<android.support.design.widget.TextInputEditText
android:id="@+id/reg_email"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/email" />
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/textInputLayout3"
android:layout_width="368dp"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="36dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textInputLayout2">
<android.support.design.widget.TextInputEditText
android:id="@+id/reg_password"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/password" />
</android.support.design.widget.TextInputLayout>
<Button
android:id="@+id/reg_create"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginTop="32dp"
android:text="@string/create_account"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textInputLayout3" />
</android.support.constraint.ConstraintLayout>
当我运行此代码时,它应该存储信息并打开MainActivity。有4种可能: 第一个: 将此添加到依赖项中
implementation 'com.google.firebase:firebase-core:16.0.3'
implementation 'com.google.firebase:firebase-auth:16.0.3'
第二个:
更改:
mAuth.createUserWithEmailAndPassword(email, password)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
......
mAuth.createUserWithEmailAndPassword(电子邮件,密码)
.addOnCompleteListener(这是新的OnCompleteListener(){
@凌驾
......
致:
mAuth.createUserWithEmailAndPassword(电子邮件,密码)
.addOnCompleteListener(RegisterActivity.this,新的OnCompleteListener(){
@凌驾
......
第三个:
尝试提供一个强密码,例如“JohnDoe@12345“因为你必须满足谷歌的密码复杂性标准
第四个:
检查您是否已添加Internet权限:
<uses-permission ....... INTERNET>
在你的舱单上
希望有些东西能起作用。请尝试并让我知道:)您是否得到“身份验证失败”是的。但我希望它打开下一个活动,而不是身份验证失败。您可以显示您的依赖项吗?
依赖项{implementation fileTree(dir:'libs',include:['*.jar'])实现'com.android.support:appcompat-v7:28.0.0-rc01'implementation'com.android.support:design:28.0.0-rc01'implementation'com.android.support.constraint:constraint布局:1.1.2'implementation'com.google.firebase:firebase auth:11.6.0'testImplementation'junit:junit:junit:4.12'androidTestImplementation'com.android.support.test:runner:1.0.2'androidTestImplementation'com.android.support.test.espresso:espresso core:3.0.2'}
要了解问题,请在Toast“getTokenInterface.faild”(“faildIs:+task.getException());之后写这行代码查看logcat并搜索faildIs,然后打印错误以了解问题您是否尝试了最新的依赖项版本…根据文档,您的其他编码似乎是正确的,除了依赖项版本..请使用最新版本。此外,检查您是否添加了Internet权限..有时我们会忘记..哈哈..:D