小编Adr*_*rià的帖子

我得到一个说"必须实现OnFragmentInteractionListener,我已经拥有它...

我看过这里提出的每一个问题,没有人帮助过我.

有人可以帮帮我吗？

错误:

FATAL EXCEPTION: main
     Process: com.example.android.navigationdrawer, PID: 5916
     java.lang.RuntimeException: com.example.android.navigationdrawer.MainActivity@3aefae64 must implement OnFragmentInteractionListener
         at com.example.android.navigationdrawer.FragmentCamera.onAttach(FragmentCamera.java:83)
         at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1019)
         at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1248)
         at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:738)
         at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1613)
         at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:517)
         at android.os.Handler.handleCallback(Handler.java:739)
         at android.os.Handler.dispatchMessage(Handler.java:95)
         at android.os.Looper.loop(Looper.java:135)
         at android.app.ActivityThread.main(ActivityThread.java:5930)
         at java.lang.reflect.Method.invoke(Native Method)
         at java.lang.reflect.Method.invoke(Method.java:372)
         at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1405)
         at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1200)    

主要活动(扩展到OnFragmentInteractionListener)

package com.example.android.navigationdrawer;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.NavigationView;
import android.support.design.widget.Snackbar;
import android.support.v4.app.Fragment;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageView; …

我正在使用PHP和MySQL(PHPMyAdmin)创建一个注册表单,当我在浏览器(Mozilla Firefox)上打开页面时,我得到了

解析错误:语法错误,第71行意外的$ end

<?php

require('config.php');

if(isset($_POST['submit'])){

    //Verificació
    $email1 = $_POST['email1'];
    $email2 = $_POST['email2'];
    $pass1 = $_POST['pass1'];
    $pass2 = $_POST['pass2'];

    if($email1 == $email2){
        if ($pass1 == $pass2){
            //Tot bé!

            $name = mysql_escape_string($_POST['name']);
            $lname = mysql_escape_string($_POST['lname']);
            $email1 = mysql_escape_string($email1);
            $email2 = mysql_escape_string($email2);
            $pass1 = mysql_escape_string($pass1);
            $pass2 = mysql_escape_string($pass2);



        }else{
            die("Sorry, your passwords didn't match");
        }
    }else{
        die("Sorry, your emails didn't match");
    }


}else{

    echo <<<EOD

    <form action='register.php' method='POST'>
    First name:<input type='text' name='name' /><br/>
    Last name:<input type='text' name='lName' /><br/>
    Username:<input type='text' name='username' …