java - onClick Sign Up 方法包含 onClick Datepicker，如何使其工作？

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使用 Firebase 通过注册/注册保存用户信息。然后我遇到了障碍......

我正在为 onClick 使用 switch case，其中一个用于 registerpage() 方法，该方法采用按钮形式，另一个用于通过 进入下一个 Activity TextView 。但在 registerpage() 方法中，有一个 onClick DatePicker (用于选择 dateOfBirth) 。但是 DatePicker 的 onClick 不起作用。这是我的代码。谢谢。

注册页面.java

package com.example.sportsbuddyz;

import android.app.DatePickerDialog;
import android.app.ProgressDialog;
import android.content.Intent;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.media.tv.TvContract;
import android.nfc.Tag;
import android.support.annotation.NonNull;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.util.Patterns;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
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.OnFailureListener;
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;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;

import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;

public class registerPage extends AppCompatActivity implements View.OnClickListener {

    EditText jEmailEt, jPasswordEt;
    Button jSignUpBtn;
    ProgressDialog progressDialog;
    private FirebaseAuth mAuth;
    TextView jAccountExist;

    EditText jName, jStudentID, jPhoneNumber, jAddress;
    TextView jDOB, jAutoAge;

    DatePickerDialog.OnDateSetListener mDateSetListener;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.registerpage);

        jEmailEt = findViewById(R.id.emailEt);
        jPasswordEt = findViewById(R.id.passwordEt);
        //jSignUpBtn = findViewById(R.id.signupBtn);
        mAuth = FirebaseAuth.getInstance();
        //jAccountExist = findViewById(R.id.accountExist);

        jName = findViewById(R.id.nameEt);
        jStudentID = findViewById(R.id.studentIDEt);
        jPhoneNumber = findViewById(R.id.phoneEt);
        jAddress = findViewById(R.id.addressEt);

        jDOB = findViewById(R.id.DOB);
        jAutoAge = findViewById(R.id.AgeAuto);

        ActionBar actionBar = getSupportActionBar();
        actionBar.setTitle("Sign Up Account");

        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setDisplayShowHomeEnabled(true);

        progressDialog = new ProgressDialog(this);
        progressDialog.setMessage("Progressing User...");


        findViewById(R.id.signupBtn).setOnClickListener(this);
        findViewById(R.id.accountExist).setOnClickListener(this);
        findViewById(R.id.DOB).setOnClickListener(this);

    }


    @Override
    public void onClick(View view){
        switch (view.getId()){

            //CASE 1 -- SignUp Button
            case R.id.signupBtn:{
                    registerUser();
            }
            break;

            //CASE 2 -- AccountExist(Text)
            case R.id.accountExist: {
                startActivity(new Intent(registerPage.this, loginPage.class));
                finish();
            }
            break;
        }
    }

    private void registerUser(){
        progressDialog.show();

        String email = jEmailEt.getText().toString().trim();
        String password = jPasswordEt.getText().toString().trim();
        String name = jName.getText().toString().trim();
        String studentID = jStudentID.getText().toString().trim();
        String phoneNo = jPhoneNumber.getText().toString().trim();
        String address = jAddress.getText().toString().trim();


        if (email.isEmpty()) {
            jEmailEt.setError("Email must not be empty");
            jEmailEt.setFocusable(true);
            return;
        }
        if (!Patterns.EMAIL_ADDRESS.matcher(email).matches()) {
            jEmailEt.setError("Invalid Email");
            jEmailEt.setFocusable(true);
            return;
        }
        if (password.isEmpty()) {
            jPasswordEt.setError("Password must not be empty");
            jPasswordEt.setFocusable(true);
            return;
        }
        if (password.length() < 6) {
            jPasswordEt.setError("Password must be at least 6 digit");
            jPasswordEt.setFocusable(true);
            return;
        }
        if (name.isEmpty()) {
            jName.setError("Name must not be empty");
            jName.setFocusable(true);
            return;
        }
        if (studentID.isEmpty()) {
            jStudentID.setError("Student ID must not be empty");
            jStudentID.setFocusable(true);
            return;
        }
        if (phoneNo.isEmpty()) {
            jPhoneNumber.setError("Phone Number must not be empty");
            jPhoneNumber.setFocusable(true);
            return;
        }
        if (address.isEmpty()) {
            jAddress.setError("Address must not be empty");
            jAddress.setFocusable(true);
            return;
        }

        jDOB.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Calendar calendar = Calendar.getInstance();
                int year = calendar.get(Calendar.YEAR);
                int month = calendar.get(Calendar.MONTH);
                int day = calendar.get(Calendar.DAY_OF_MONTH);

                DatePickerDialog datePickerDialog = new DatePickerDialog(registerPage.this, android.R.style.Theme_Holo_Dialog_MinWidth, mDateSetListener, year, month, day);
                datePickerDialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
                datePickerDialog.show();

            }
        });

        mDateSetListener = new DatePickerDialog.OnDateSetListener() {
            @Override
            public void onDateSet(DatePicker view, int year, int month, int day) {

                month = month + 1;
                String dobDate = day + "/" + month + "/" + year;
                jDOB.setText(dobDate);

                jAutoAge.setText(getAge(year, month, day));
            }
        };



        mAuth.createUserWithEmailAndPassword(email, password)
                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
                    @Override
                    public void onComplete(@NonNull Task<AuthResult> task) {
                        if (task.isSuccessful()) {
                            // Sign in success, dismiss dialog & start register activity
                            progressDialog.dismiss();

                            //User userDetail = new User(email, name, studentID, phoneNo, address);

                            FirebaseUser user = mAuth.getCurrentUser();
                            //Get User email and UID from auth
                            String email = user.getEmail();
                            String uid = user.getUid();
                            String name = jName.getText().toString().trim();
                            String studentID = jStudentID.getText().toString().trim();
                            String phoneNo = jPhoneNumber.getText().toString().trim();
                            String address = jAddress.getText().toString().trim();
                            String DOB = jDOB.getText().toString().trim();
                            String Age = jAutoAge.getText().toString().trim();

                            //User is registered store user info in Firebase realtime database also
                            HashMap<Object,String> hashMap = new HashMap<>();
                            //Put Info in HashMap
                            hashMap.put("email",email);
                            hashMap.put("uid",uid);
                            hashMap.put("name", name);
                            hashMap.put("studentID", studentID);
                            hashMap.put("phone",phoneNo);
                            hashMap.put("address",address);
                            hashMap.put("Date Of Birth", DOB);
                            hashMap.put("Age",Age);
                            hashMap.put("image","");
                            hashMap.put("cover","");
                            //Firebase database instance
                            FirebaseDatabase database = FirebaseDatabase.getInstance();
                            //path to store user data named "Users"
                            DatabaseReference reference = database.getReference("Users");
                            //Put data within HashMap in database
                            reference.child(uid).setValue(hashMap);

                            Toast.makeText(registerPage.this, "Registered..\n"+user.getEmail(), Toast.LENGTH_SHORT).show();
                            startActivity(new Intent(registerPage.this, dashBoard.class));
                            finish();
                        } else {
                            // If sign in fails, display a message to the user.
                            progressDialog.dismiss();
                            Toast.makeText(registerPage.this, "Authentication failed.",
                                    Toast.LENGTH_SHORT).show();
                        }

                    }
                }).addOnFailureListener(new OnFailureListener() {
            @Override
            public void onFailure(@NonNull Exception e) {
                progressDialog.dismiss();
                Toast.makeText(registerPage.this, ""+e.getMessage(), Toast.LENGTH_SHORT).show();
            }
        });
    }

    private String getAge(int year, int month, int day){

        Calendar dob = Calendar.getInstance();
        Calendar today = Calendar.getInstance();

        dob.set(year, month, day);

        int age = today.get(Calendar.YEAR) - dob.get(Calendar.YEAR);

        if (today.get(Calendar.DAY_OF_YEAR) < dob.get(Calendar.DAY_OF_YEAR)){
            age--;
        }

        Integer ageInt = new Integer(age);
        String ageS = ageInt.toString();

        return ageS;
    }

    @Override
    public boolean onSupportNavigateUp(){
        onBackPressed();
        return super.onSupportNavigateUp();
    }

    @Override
    public void onPointerCaptureChanged(boolean hasCapture) {

    }
}

注册页面.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    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=".registerPage">


    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">
            <!--Confirm Sign Up Button-->
            <Button
                android:id="@+id/signupBtn"
                style="@style/Widget.AppCompat.Button.Small"
                android:layout_width="163dp"
                android:layout_height="47dp"
                android:layout_centerHorizontal="true"
                android:background="@drawable/loginbutton"
                android:text="Sign Up"
                android:layout_below="@id/accountExist"
                android:layout_margin="10dp"
                android:textAllCaps="false"
                android:textStyle="bold" />

            <!--EmailAddress-->
            <android.support.design.widget.TextInputLayout
                android:id="@+id/emailTIL"
                android:layout_width="325dp"
                android:layout_height="wrap_content"
                android:layout_centerHorizontal="true"
                android:layout_marginTop="120dp">
                <EditText
                    android:id="@+id/emailEt"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:hint="Email Address"
                    android:inputType="textEmailAddress" />
            </android.support.design.widget.TextInputLayout>


            <!--Password-->
            <android.support.design.widget.TextInputLayout
                android:id="@+id/passwordTIL"
                android:layout_width="325dp"
                android:layout_height="wrap_content"
                android:layout_centerVertical="true"
                android:layout_centerHorizontal="true"
                android:layout_below="@+id/emailTIL"
                app:passwordToggleEnabled="true">
                <EditText
                    android:id="@+id/passwordEt"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:hint="Password"
                    android:inputType="textPassword" />
            </android.support.design.widget.TextInputLayout>

            <!--Name-->
            <android.support.design.widget.TextInputLayout
                android:id="@+id/nameTIL"
                android:layout_width="325dp"
                android:layout_height="wrap_content"
                android:layout_centerVertical="true"
                android:layout_centerHorizontal="true"
                android:layout_below="@+id/passwordTIL"
                app:passwordToggleEnabled="true">
                <EditText
                    android:id="@+id/nameEt"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:hint="Full Name"
                    android:inputType="textPersonName" />
            </android.support.design.widget.TextInputLayout>

            <!--Student ID-->
            <android.support.design.widget.TextInputLayout
                android:id="@+id/studentIDTIL"
                android:layout_width="325dp"
                android:layout_height="wrap_content"
                android:layout_centerVertical="true"
                android:layout_centerHorizontal="true"
                android:layout_below="@+id/nameTIL"
                app:passwordToggleEnabled="true">
                <EditText
                    android:id="@+id/studentIDEt"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:hint="Student ID" />
            </android.support.design.widget.TextInputLayout>

            <!--Phone Number-->
            <android.support.design.widget.TextInputLayout
                android:id="@+id/phoneTIL"
                android:layout_width="325dp"
                android:layout_height="wrap_content"
                android:layout_centerVertical="true"
                android:layout_centerHorizontal="true"
                android:layout_below="@+id/studentIDTIL"
                app:passwordToggleEnabled="true">
                <EditText
                    android:id="@+id/phoneEt"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:hint="Phone No."
                    android:inputType="phone" />
            </android.support.design.widget.TextInputLayout>

            <!--DOB-->
            <TextView
                android:id="@+id/DOB"
                android:layout_width="150dp"
                android:layout_height="50dp"
                android:layout_marginBottom="140dp"
                android:textAlignment="center"
                android:hint="Date of Birth"
                android:layout_below="@+id/addressTIL"
                android:layout_marginTop="10dp"
                android:layout_marginLeft="30dp"
                android:textSize="20dp"/>

            <!--Age-->
            <TextView
                android:id="@+id/AgeAuto"
                android:layout_width="150dp"
                android:layout_height="50dp"
                android:layout_marginBottom="140dp"
                android:textAlignment="center"
                android:hint="Age"
                android:layout_toRightOf="@+id/DOB"
                android:layout_below="@id/addressTIL"
                android:layout_margin="10dp"
                android:layout_marginLeft="10dp"
                android:textSize="20dp"/>

            <!--Address-->
            <android.support.design.widget.TextInputLayout
                android:id="@+id/addressTIL"
                android:layout_width="325dp"
                android:layout_height="wrap_content"
                android:layout_centerVertical="true"
                android:layout_centerHorizontal="true"
                android:layout_below="@+id/phoneTIL"
                app:passwordToggleEnabled="true">
                <EditText
                    android:id="@+id/addressEt"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:hint="Address"
                    android:inputType="textShortMessage"/>
            </android.support.design.widget.TextInputLayout>

            <!--Already Register? Login now-->
            <TextView
                android:id="@+id/accountExist"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="140dp"
                android:textAlignment="center"
                android:text="Already have account? Login now"
                android:layout_below="@+id/AgeAuto"
                android:layout_margin="10dp"/>

        </RelativeLayout>

    </ScrollView>

</RelativeLayout>

Answer 1

您注册了两次点击监听器

xml中的onClick和java代码中的setOnClickListener

所以你必须删除其中一个..在你的情况下删除 onClickListener 并将你的代码放在 switch case 中

@Override
public void onClick(View view){
    switch (view.getId()){
    case R.id.DOB:
            Calendar calendar = Calendar.getInstance();
            int year = calendar.get(Calendar.YEAR);
            int month = calendar.get(Calendar.MONTH);
            int day = calendar.get(Calendar.DAY_OF_MONTH);

            DatePickerDialog datePickerDialog = new DatePickerDialog(registerPage.this, android.R.style.Theme_Holo_Dialog_MinWidth, mDateSetListener, year, month, day);
            datePickerDialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
            datePickerDialog.show();
    break;
    }
}