点击注册会导致Android应用崩溃

Question

当电子邮件和密码字段为空时，单击注册会使应用程序崩溃，但是当名称字段为空时，它可以正常工作，这似乎是问题所在？

xml文件：

 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:gravity="center_vertical|center_horizontal"
android:orientation="vertical"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.zachmarcelo.softcash.LoginActivity"
android:background="#fff"
>

<!-- Login progress -->
<ImageView
    android:layout_width="match_parent"
    android:layout_height="47dp"
    android:layout_marginBottom="20dp"
    android:visibility="visible"
    app:srcCompat="@drawable/icon_ewallet_" />

<ProgressBar
    android:id="@+id/login_progress"
    style="?android:attr/progressBarStyleLarge"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_marginBottom="8dp"
    android:visibility="gone" />

<ScrollView
    android:id="@+id/login_form"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_gravity="center">

    <LinearLayout
        android:id="@+id/email_login_form"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_vertical|center_horizontal"
        android:orientation="vertical">

        <android.support.design.widget.TextInputLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:textColorHint="@color/colorHint" >

            <EditText
                android:id="@+id/reg_username"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="Name"
                android:inputType="text"
                android:textSize="20sp"
                android:textColor="@android:color/background_dark"
                />
        </android.support.design.widget.TextInputLayout>

        <android.support.design.widget.TextInputLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:theme="@style/TextLabel"
            android:textColorHint="@color/colorHint">

            <EditText
                android:id="@+id/reg_email"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:backgroundTint="@android:color/darker_gray"
                android:hint="Email"
                android:maxLines="1"
                android:singleLine="true"
                android:textColor="@android:color/background_dark"
                android:inputType="textEmailAddress"
                />

        </android.support.design.widget.TextInputLayout>

        <android.support.design.widget.TextInputLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:theme="@style/TextLabel"
            android:textColorHint="@color/colorHint">

            <EditText
                android:id="@+id/reg_password"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:backgroundTint="@android:color/background_dark"
                android:hint="Password"
                android:imeActionId="6"
                android:imeActionLabel="@string/action_sign_in_short"
                android:imeOptions="actionUnspecified"
                android:inputType="textPassword"
                android:maxLines="1"
                android:singleLine="true"
                android:textColor="@android:color/background_dark" />

        </android.support.design.widget.TextInputLayout>

        <Button
            android:id="@+id/register"
            style="?android:textAppearanceSmall"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="16dp"
            android:background="@color/colorAccent"
            android:gravity="center"
            android:paddingLeft="20sp"
            android:paddingRight="20sp"
            android:text="Register"
            android:textStyle="bold"
            android:layout_marginBottom="20dp"/>

        <TextView
            android:id="@+id/signin"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center"
            android:text="Already have an account?"
            android:textAlignment="center"
            android:textColor="@color/colorPrimary"
            android:textSize="12dp" />

    </LinearLayout>
</ScrollView>
<ProgressBar
    android:id="@+id/progressBar"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_centerHorizontal="true"
    android:layout_centerVertical="true" />

代码：

package com.example.zachmarcelo.softcash;

import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.design.widget.TextInputEditText;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.util.Patterns;
import android.view.View;
import android.view.WindowManager;
import android.widget.AutoCompleteTextView;
import android.widget.EditText;
import android.widget.ProgressBar;
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.FirebaseDatabase;

public class RegisterActivity extends AppCompatActivity implements 
View.OnClickListener {
 private EditText reg_password,
  reg_username,
  reg_email;
 private FirebaseAuth mAuth;
 private ProgressBar progressBar;

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_register);
    progressBar = new ProgressBar(getApplicationContext());
    reg_password = findViewById(R.id.reg_password);
    reg_email    = findViewById(R.id.reg_email);
    reg_username = findViewById(R.id.reg_username);
    progressBar = findViewById(R.id.progressBar);
    progressBar.setVisibility(View.GONE);
    mAuth = FirebaseAuth.getInstance();
    findViewById(R.id.register).setOnClickListener(this);
    findViewById(R.id.signin).setOnClickListener(this);
}

@Override
protected void onStart() {
    super.onStart();

    if (mAuth.getCurrentUser() != null) {
        Intent i = new Intent(RegisterActivity.this, HomeActivity.class);
        startActivity(i);
        finish();
    }
}

private void registerUser() {
    final String username = reg_username.getText().toString().trim();
    final String email = reg_email.getText().toString().trim();
    String password = reg_password.getText().toString().trim();


    if (username.equals("")) {
        reg_username.setError(getString(R.string.input_error_name));
        reg_username.requestFocus();
        return;
    }
    if (email.equals("")) {
        reg_email.setError(getString(R.string.input_error_email));
        reg_email.requestFocus();
        return;
    }else{
        if (!Patterns.EMAIL_ADDRESS.matcher(email).matches()) {
            reg_email.setError(getString(R.string.input_error_email_invalid));
            reg_email.requestFocus();
            return;
        }
    }

    if (password.equals("")) {
        reg_password.setError(getString(R.string.input_error_password));
        reg_password.requestFocus();
        return;
    }else{
    if (password.length() < 8) {
            reg_password.setError(getString(R.string.input_error_password_length));
            reg_password.requestFocus();
            return;
        }
    }

        progressBar.setVisibility(View.VISIBLE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE,
                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);

        mAuth.createUserWithEmailAndPassword(email, password)
                .addOnCompleteListener(new OnCompleteListener<AuthResult>() {
                    @Override
                    public void onComplete(@NonNull Task<AuthResult> task) {

                        if (task.isSuccessful()) {

                            User user = new User(
                                    username,
                                    email
                            );

                            FirebaseDatabase.getInstance().getReference("Users")
                                    .child(FirebaseAuth.getInstance().getCurrentUser().getUid())
                                    .setValue(user).addOnCompleteListener(new OnCompleteListener<Void>() {
                                @Override
                                public void onComplete(@NonNull Task<Void> task) {
                                    progressBar.setVisibility(View.GONE);
                                    getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
                                    if (task.isSuccessful()) {
                                        Toast.makeText(RegisterActivity.this, getString(R.string.registration_success), Toast.LENGTH_LONG).show();
                                        Intent i = new Intent(RegisterActivity.this, LoginActivity.class);
                                        startActivity(i);
                                        finish();
                                    } else {
                                        Toast.makeText(RegisterActivity.this, getString(R.string.registration_failed), Toast.LENGTH_LONG).show();
                                    }
                                }
                            });

                        } else {
                            Toast.makeText(RegisterActivity.this, task.getException().getMessage(), Toast.LENGTH_LONG).show();
                        }
                    }
                });


}

@Override
public void onClick(View view) {
    switch (view.getId()){
        case R.id.register:
                registerUser();
            break;
        case R.id.signin:
                Intent i = new Intent(this, LoginActivity.class);
                startActivity(i);
                finish();
            break;
    }

}

}

错误日志：

09-03 13:25:24.942 15875-15875/com.example.zachmarcelo.softcash E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.zachmarcelo.softcash, PID: 15875
android.view.InflateException: Binary XML file line #17: Binary XML file line #17: Error inflating class TextView
Caused by: android.view.InflateException: Binary XML file line #17: Error inflating class TextView
Caused by: java.lang.UnsupportedOperationException: Failed to resolve attribute at index 4: TypedValue{t=0x2/d=0x1010099 a=1}
at android.content.res.TypedArray.getColor(TypedArray.java:492)
at android.widget.TextView.<init>(TextView.java:955)
at android.widget.TextView.<init>(TextView.java:872)
at android.support.v7.widget.AppCompatTextView.<init>(AppCompatTextView.java:75)
at android.support.v7.widget.AppCompatTextView.<init>(AppCompatTextView.java:71)
at android.support.v7.app.AppCompatViewInflater.createView(AppCompatViewInflater.java:103)
at android.support.v7.app.AppCompatDelegateImplV9.createView(AppCompatDelegateImplV9.java:1024)
at android.support.v7.app.AppCompatDelegateImplV9.onCreateView(AppCompatDelegateImplV9.java:1081)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:783)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:741)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at android.widget.Editor.showError(Editor.java:505)
at android.widget.Editor.onFocusChanged(Editor.java:1237)
at android.widget.TextView.onFocusChanged(TextView.java:9821)
at android.view.View.handleFocusGainInternal(View.java:6631)
at android.view.View.requestFocusNoSearch(View.java:10890)
at android.view.View.requestFocus(View.java:10869)
at android.view.View.requestFocus(View.java:10836)
at android.view.View.requestFocus(View.java:10778)
at com.example.zachmarcelo.softcash.RegisterActivity.registerUser(RegisterActivity.java:74)
at com.example.zachmarcelo.softcash.RegisterActivity.onClick(RegisterActivity.java:143)
at android.view.View.performClick(View.java:6291)
at android.view.View$PerformClick.run(View.java:24931)
at android.os.Handler.handleCallback(Handler.java:808)
at android.os.Handler.dispatchMessage(Handler.java:101)
at android.os.Looper.loop(Looper.java:166)
at android.app.ActivityThread.main(ActivityThread.java:7425)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:245)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:921)

这就是应该发生的情况：（在名称文本中完美运行，但在其他Edittext中却不行）

screenshot of mobile app

任何帮助将不胜感激：D

Answer 1

我的猜测是，它与您放入@style/TextLabel中的内容有关。

如果密码或电子邮件有误，您将以编程方式请求关注。很好，但是当这种情况发生时，您的样式中的某些内容正在寻找不存在的颜色资源。这就是导致错误的原因。

Answer 2

错误似乎与textview的getColor（）方法有关，您的原色有问题，请检查一下。