<?php\r\necho \"Hello, World\";\r\n?>\r\n<\/code><\/pre>\n\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306b\u304a\u3044\u3066\uff1a<\/p>\n
\n- ?php starts opening tag for any PHP script.<\/li>\n
- ?> means closing tag like closing bracket in Java.<\/li>\n<\/ul>\n
\u6ce8\u610f\uff1a\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001PHP\u3092\u77e5\u3063\u3066\u3044\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3082\u3057MAC\u3092\u304a\u4f7f\u3044\u306e\u5834\u5408\u306f\u3001Applications->Xampp->htdocs\u306b\u79fb\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u3053\u3067\u65b0\u3057\u3044\u30d5\u30a9\u30eb\u30c0\u3092\u4f5c\u6210\u3057\u3001\u4f8b\u3048\u3070test_android\u3068\u540d\u4ed8\u3051\u3001\u4ee5\u524d\u306b\u4f5c\u6210\u3055\u308c\u305ftest.php\u3092\u30b3\u30d4\u30fc\u30a2\u30f3\u30c9\u30da\u30fc\u30b9\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u3057\u3066\u3001\u6b21\u306bhttps:\/\/localhost\/test_android\/test.php\u3068\u3044\u3046URL\u3092\u958b\u3044\u3066\u304f\u3060\u3055\u3044\u3002\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n
MySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/h3>\n
https:\/\/localhost\/phpmyadmin \u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066 phpMyAdmin \u3092\u8d77\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6b21\u306b\u3001\u30d8\u30c3\u30c0\u30fc\u306e\u4e00\u756a\u5de6\u306b\u3042\u308b\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u300d\u30bf\u30d6\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9069\u5f53\u306a\u540d\u524d\u3092\u5165\u529b\u3057\u3001\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u65b0\u3057\u304f\u4f5c\u6210\u3055\u308c\u305f\u7a7a\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u5de6\u5074\u306e\u30b5\u30a4\u30c9\u30d0\u30fc\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u65b0\u3057\u304f\u4f5c\u6210\u3057\u305f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u300cusers\u300d\u3068\u3044\u3046\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u306e\u30af\u30a8\u30ea\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u3067\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
CREATE TABLE `firstDB`.`users` (\r\n `id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,\r\n `username` VARCHAR( 20 ) NOT NULL ,\r\n `password` VARCHAR( 20 ) NOT NULL\r\n)\r\n<\/code><\/pre>\n\u30c6\u30fc\u30d6\u30eb\u304c\u6b63\u5e38\u306b\u4f5c\u6210\u3055\u308c\u305f\u5834\u5408\u3001\u3053\u306e\u3088\u3046\u306a\u753b\u9762\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
PHP\u3068MySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u63a5\u7d9a<\/h3>\n
PHP\u30b9\u30af\u30ea\u30d7\u30c8\u3092MySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306b\u306f\u30013\u3064\u306e\u5165\u529b\u5024\u304c\u5fc5\u8981\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u3001XAMPP\u30b5\u30fc\u30d0\u30fc\u306e\u305f\u3081\u306e\u5165\u529b\u3068\u305d\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n
\n- Host name: localhost<\/li>\n
- MySQL user name : root<\/li>\n
- MySQL password : It is blank. \u201c\u201d<\/li>\n<\/ul>\n
htdocs->test-android\u30d5\u30a9\u30eb\u30c0\u306btest-connect.php\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f5c\u6210\u3057\u3066\u8ffd\u52a0\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
<?php\r\n$host=\"localhost\";\r\n$user=\"root\";\r\n$password=\"\";\r\n$con=mysql_connect($host,$user,$password);\r\nif($con) {\r\n echo '<h1>Connected to MySQL<\/h1>';\r\n} else {\r\n echo '<h1>MySQL Server is not connected<\/h1>';\r\n}\r\n?>\r\n<\/code><\/pre>\nmysql_connect()\u306f\u3001\u4e0a\u8a18\u306b\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3055\u308c\u305f\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u3066MySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306ePHP\u306e\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u3067\u3059\u3002https:\/\/localhost\/test_android\/test-connect.php\u3092\u5b9f\u884c\u3057\u3066\u3001\u305d\u306e\u51fa\u529b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u63a5\u7d9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001XAMPP\u30b5\u30fc\u30d0\u30fc\u3092\u518d\u8d77\u52d5\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u30a2\u30f3\u30c9\u30ed\u30a4\u30c9\u30ed\u30b0\u30a4\u30f3\u767b\u9332\u30a2\u30d7\u30ea<\/h3>\n
PHP\u3068MySQL\u306e\u57fa\u672c\u7684\u306a\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306b\u3064\u3044\u3066\u8a71\u3057\u5408\u3063\u305f\u306e\u3067\u3001Android\u306e\u30ed\u30b0\u30a4\u30f3\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u90e8\u5206\u306b\u5165\u308a\u307e\u3057\u3087\u3046\u3002\u79c1\u305f\u3061\u306f\u30b5\u30a4\u30f3\u30a4\u30f3\/\u767b\u9332\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u3092\u884c\u3044\u307e\u3059\u3002\u7c21\u5358\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u767b\u9332\u6642\u306b\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u91cd\u8907\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u30a2\u30d7\u30ea\u306e\u30ed\u30b8\u30c3\u30af\u306b\u98db\u3076\u524d\u306b\u3001PHP\u30b9\u30af\u30ea\u30d7\u30c8\u3068MySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f5c\u696d\u3057\u307e\u3057\u3087\u3046\u3002\u307e\u305a\u3001\u4e0a\u8a18\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6587\u8108\u3067\u3001\u30c6\u30fc\u30d6\u30eb”user”\u3092\u524a\u9664\u3057\u3001\u65b0\u3057\u3044\u3082\u306e\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
CREATE TABLE IF NOT EXISTS `firstDB`.`users` (\r\n`id` int(20) NOT NULL AUTO_INCREMENT PRIMARY KEY,\r\n`username` varchar(70) NOT NULL,\r\n`password` varchar(40) NOT NULL,\r\n`email` varchar(50) NOT NULL,\r\n`created_at` datetime NOT NULL,\r\n`updated_at` datetime DEFAULT NULL\r\n\r\n)\r\n<\/code><\/pre>\n\u4ee5\u4e0b\u306f\u3001htdocs->test_android\u30d5\u30a9\u30eb\u30c0\u306b\u30b3\u30d4\u30fc\uff06\u30da\u30fc\u30b9\u30c8\u3067\u304d\u308bPHP\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3059\u3002config.php<\/p>\n
<?php\r\n define(\"DB_HOST\", \"localhost\");\r\n define(\"DB_USER\", \"root\");\r\n define(\"DB_PASSWORD\", \"\");\r\n define(\"DB_NAME\", \"firstDB\");\r\n ?>\r\n<\/code><\/pre>\n\u4ee5\u4e0b\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002 db-connect.php<\/p>\n
<?php\r\n \r\n include_once 'config.php';\r\n \r\n class DbConnect{\r\n \r\n private $connect;\r\n \r\n public function __construct(){\r\n \r\n $this->connect = mysqli_connect(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);\r\n \r\n if (mysqli_connect_errno($this->connect)){\r\n echo \"Unable to connect to MySQL Database: \" . mysqli_connect_error();\r\n }\r\n }\r\n \r\n public function getDb(){\r\n return $this->connect;\r\n }\r\n }\r\n ?>\r\n<\/code><\/pre>\n\u6b21\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u3059\u3079\u3066\u306e\u4e3b\u8981\u306a\u6a5f\u80fd\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002user.php<\/p>\n
<?php\r\n \r\n include_once 'db-connect.php';\r\n \r\n class User{\r\n \r\n private $db;\r\n \r\n private $db_table = \"users\";\r\n \r\n public function __construct(){\r\n $this->db = new DbConnect();\r\n }\r\n \r\n public function isLoginExist($username, $password){\r\n \r\n $query = \"select * from \".$this->db_table.\" where username = '$username' AND password = '$password' Limit 1\";\r\n \r\n $result = mysqli_query($this->db->getDb(), $query);\r\n \r\n if(mysqli_num_rows($result) > 0){\r\n \r\n mysqli_close($this->db->getDb());\r\n \r\n \r\n return true;\r\n \r\n }\r\n \r\n mysqli_close($this->db->getDb());\r\n \r\n return false;\r\n \r\n }\r\n \r\n public function isEmailUsernameExist($username, $email){\r\n \r\n $query = \"select * from \".$this->db_table.\" where username = '$username' AND email = '$email'\";\r\n \r\n $result = mysqli_query($this->db->getDb(), $query);\r\n \r\n if(mysqli_num_rows($result) > 0){\r\n \r\n mysqli_close($this->db->getDb());\r\n \r\n return true;\r\n \r\n }\r\n \r\n return false;\r\n \r\n }\r\n \r\n public function isValidEmail($email){\r\n return filter_var($email, FILTER_VALIDATE_EMAIL) !== false;\r\n }\r\n \r\n public function createNewRegisterUser($username, $password, $email){\r\n \r\n $isExisting = $this->isEmailUsernameExist($username, $email);\r\n \r\n if($isExisting){\r\n \r\n $json['success'] = 0;\r\n $json['message'] = \"Error in registering. Probably the username\/email already exists\";\r\n }\r\n \r\n else{\r\n \r\n $isValid = $this->isValidEmail($email);\r\n \r\n if($isValid)\r\n {\r\n $query = \"insert into \".$this->db_table.\" (username, password, email, created_at, updated_at) values ('$username', '$password', '$email', NOW(), NOW())\";\r\n \r\n $inserted = mysqli_query($this->db->getDb(), $query);\r\n \r\n if($inserted == 1){\r\n \r\n $json['success'] = 1;\r\n $json['message'] = \"Successfully registered the user\";\r\n \r\n }else{\r\n \r\n $json['success'] = 0;\r\n $json['message'] = \"Error in registering. Probably the username\/email already exists\";\r\n \r\n }\r\n \r\n mysqli_close($this->db->getDb());\r\n }\r\n else{\r\n $json['success'] = 0;\r\n $json['message'] = \"Error in registering. Email Address is not valid\";\r\n }\r\n \r\n }\r\n \r\n return $json;\r\n \r\n }\r\n \r\n public function loginUsers($username, $password){\r\n \r\n $json = array();\r\n \r\n $canUserLogin = $this->isLoginExist($username, $password);\r\n \r\n if($canUserLogin){\r\n \r\n $json['success'] = 1;\r\n $json['message'] = \"Successfully logged in\";\r\n \r\n }else{\r\n $json['success'] = 0;\r\n $json['message'] = \"Incorrect details\";\r\n }\r\n return $json;\r\n }\r\n }\r\n ?>\r\n<\/code><\/pre>\n\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001$json\u306b\u306fJSONObjects\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u6b21\u306ePHP\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u6700\u521d\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u3082\u306e\u3067\u3059\u3002index.php<\/p>\n
<?php\r\n \r\n require_once 'user.php';\r\n \r\n $username = \"\";\r\n \r\n $password = \"\";\r\n \r\n $email = \"\";\r\n \r\n if(isset($_POST['username'])){\r\n \r\n $username = $_POST['username'];\r\n \r\n }\r\n \r\n if(isset($_POST['password'])){\r\n \r\n $password = $_POST['password'];\r\n \r\n }\r\n \r\n if(isset($_POST['email'])){\r\n \r\n $email = $_POST['email'];\r\n \r\n }\r\n \r\n $userObject = new User();\r\n \r\n \/\/ Registration\r\n \r\n if(!empty($username) && !empty($password) && !empty($email)){\r\n \r\n $hashed_password = md5($password);\r\n \r\n $json_registration = $userObject->createNewRegisterUser($username, $hashed_password, $email);\r\n \r\n echo json_encode($json_registration);\r\n \r\n }\r\n \r\n \/\/ Login\r\n \r\n if(!empty($username) && !empty($password) && empty($email)){\r\n \r\n $hashed_password = md5($password);\r\n \r\n $json_array = $userObject->loginUsers($username, $hashed_password);\r\n \r\n echo json_encode($json_array);\r\n }\r\n ?>\r\n<\/code><\/pre>\n\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u30e1\u30fc\u30eb\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u7a7a\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u3082\u3057\u7a7a\u3067\u3042\u308c\u3070\u3001\u79c1\u305f\u3061\u306fPHP\u30b9\u30af\u30ea\u30d7\u30c8\u5185\u306e\u30ed\u30b0\u30a4\u30f3\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f\u3001\u767b\u9332\u95a2\u6570\u306b\u9032\u307f\u307e\u3059\u3002JSON\u30ec\u30b9\u30dd\u30f3\u30b9\u306f\u3001success\uff080\u307e\u305f\u306f1\uff09\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u3044\u30462\u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
\n- The md5() function uses the RSA Data Security, Inc. MD5 Message-Digest Algorithm to create a hash string of the password.<\/li>\n
- To check if the email address is a valid we\u2019ve implemented a isValidEmail() method. FILTER_VALIDATE_EMAIL works on PHP versions 5.2.0+<\/li>\n<\/ul>\n
\u30a2\u30f3\u30c9\u30ed\u30a4\u30c9\u306e\u30ed\u30b0\u30a4\u30f3\u767b\u9332\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u69cb\u9020<\/h3>\n
\u3053\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5185\u3067HTTP\u547c\u3073\u51fa\u3057\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b3\u3064\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002JSONParser\u30af\u30e9\u30b9\u306f\u3001POST\u304a\u3088\u3073GET\u306eHTTP\u547c\u3073\u51fa\u3057\u3092localhost\u306b\u5bfe\u3057\u3066\u5b9f\u884c\u3057\u3001\u305d\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u3092JSONObject\u306e\u5f62\u5f0f\u3067\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
\u30a2\u30f3\u30c9\u30ed\u30a4\u30c9\u306e\u30ed\u30b0\u30a4\u30f3\u767b\u9332\u30b3\u30fc\u30c9<\/h3>\n
\u4ee5\u4e0b\u306b\u3001activity_main.xml\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n<ScrollView xmlns:android=\"https:\/\/schemas.android.com\/apk\/res\/android\"\r\n android:layout_width=\"fill_parent\"\r\n android:layout_height=\"fill_parent\"\r\n android:fillViewport=\"true\">\r\n\r\n <RelativeLayout\r\n android:layout_width=\"match_parent\"\r\n android:layout_height=\"wrap_content\">\r\n\r\n <LinearLayout\r\n android:orientation=\"vertical\"\r\n android:layout_width=\"match_parent\"\r\n android:layout_height=\"wrap_content\"\r\n android:layout_centerInParent=\"true\"\r\n android:paddingLeft=\"24dp\"\r\n android:paddingRight=\"24dp\"\r\n android:id=\"@+id\/linearLayout\">\r\n\r\n <EditText android:id=\"@+id\/editName\"\r\n android:layout_width=\"match_parent\"\r\n android:layout_height=\"wrap_content\"\r\n android:hint=\"Username\"\r\n android:textColor=\"#FF192133\"\r\n android:textColorHint=\"#A0192133\"\r\n android:fontFamily=\"sans-serif-light\"\r\n android:focusable=\"true\"\r\n android:focusableInTouchMode=\"true\" \/>\r\n\r\n <EditText android:id=\"@+id\/editPassword\"\r\n android:layout_width=\"match_parent\"\r\n android:layout_height=\"wrap_content\"\r\n android:inputType=\"textPassword\"\r\n android:textColor=\"#FF192133\"\r\n android:textColorHint=\"#A0192133\"\r\n android:fontFamily=\"sans-serif-light\"\r\n android:hint=\"Password\"\r\n android:focusable=\"true\"\r\n android:focusableInTouchMode=\"true\" \/>\r\n\r\n <EditText android:id=\"@+id\/editEmail\"\r\n android:layout_width=\"match_parent\"\r\n android:layout_height=\"wrap_content\"\r\n android:inputType=\"textEmailAddress\"\r\n android:textColor=\"#FF192133\"\r\n android:visibility=\"gone\"\r\n android:textColorHint=\"#A0192133\"\r\n android:fontFamily=\"sans-serif-light\"\r\n android:hint=\"Email\"\r\n android:focusable=\"true\"\r\n android:focusableInTouchMode=\"true\" \/>\r\n\r\n <Button\r\n android:layout_width=\"match_parent\"\r\n android:layout_height=\"wrap_content\"\r\n android:id=\"@+id\/btnSignIn\"\r\n android:text=\"SIGN IN\"\r\n android:textStyle=\"bold\"\r\n \/>\r\n\r\n <Button\r\n android:layout_width=\"match_parent\"\r\n android:layout_height=\"wrap_content\"\r\n android:id=\"@+id\/btnRegister\"\r\n android:text=\"REGISTER\"\r\n android:textStyle=\"bold\"\r\n \/>\r\n\r\n <\/LinearLayout>\r\n\r\n <\/RelativeLayout>\r\n\r\n<\/ScrollView>\r\n<\/code><\/pre>\n\u4ee5\u4e0b\u306bMainActivity.java\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
package com.scdev.loginphpmysql;\r\n\r\nimport android.content.Intent;\r\nimport android.content.SharedPreferences;\r\nimport android.graphics.Color;\r\nimport android.os.AsyncTask;\r\nimport android.support.v7.app.AppCompatActivity;\r\nimport android.os.Bundle;\r\nimport android.util.Log;\r\nimport android.view.View;\r\nimport android.widget.Button;\r\nimport android.widget.EditText;\r\nimport android.widget.Toast;\r\n\r\nimport org.apache.http.NameValuePair;\r\nimport org.apache.http.message.BasicNameValuePair;\r\nimport org.json.JSONException;\r\nimport org.json.JSONObject;\r\n\r\nimport java.util.ArrayList;\r\n\r\npublic class MainActivity extends AppCompatActivity {\r\n\r\n\r\n EditText editEmail, editPassword, editName;\r\n Button btnSignIn, btnRegister;\r\n\r\n String URL= \"https:\/\/10.0.3.2\/test_android\/index.php\";\r\n\r\n JSONParser jsonParser=new JSONParser();\r\n\r\n int i=0;\r\n\r\n @Override\r\n protected void onCreate(Bundle savedInstanceState) {\r\n super.onCreate(savedInstanceState);\r\n setContentView(R.layout.activity_main);\r\n\r\n editEmail=(EditText)findViewById(R.id.editEmail);\r\n editName=(EditText)findViewById(R.id.editName);\r\n editPassword=(EditText)findViewById(R.id.editPassword);\r\n\r\n btnSignIn=(Button)findViewById(R.id.btnSignIn);\r\n btnRegister=(Button)findViewById(R.id.btnRegister);\r\n\r\n btnSignIn.setOnClickListener(new View.OnClickListener() {\r\n @Override\r\n public void onClick(View view) {\r\n AttemptLogin attemptLogin= new AttemptLogin();\r\n attemptLogin.execute(editName.getText().toString(),editPassword.getText().toString(),\"\");\r\n }\r\n });\r\n\r\n btnRegister.setOnClickListener(new View.OnClickListener() {\r\n @Override\r\n public void onClick(View view) {\r\n\r\n if(i==0)\r\n {\r\n i=1;\r\n editEmail.setVisibility(View.VISIBLE);\r\n btnSignIn.setVisibility(View.GONE);\r\n btnRegister.setText(\"CREATE ACCOUNT\");\r\n }\r\n else{\r\n\r\n btnRegister.setText(\"REGISTER\");\r\n editEmail.setVisibility(View.GONE);\r\n btnSignIn.setVisibility(View.VISIBLE);\r\n i=0;\r\n\r\n AttemptLogin attemptLogin= new AttemptLogin();\r\n attemptLogin.execute(editName.getText().toString(),editPassword.getText().toString(),editEmail.getText().toString());\r\n\r\n }\r\n\r\n }\r\n });\r\n\r\n\r\n }\r\n\r\n private class AttemptLogin extends AsyncTask<String, String, JSONObject> {\r\n\r\n @Override\r\n\r\n protected void onPreExecute() {\r\n\r\n super.onPreExecute();\r\n\r\n }\r\n\r\n @Override\r\n\r\n protected JSONObject doInBackground(String... args) {\r\n\r\n\r\n\r\n String email = args[2];\r\n String password = args[1];\r\n String name= args[0];\r\n\r\n ArrayList params = new ArrayList();\r\n params.add(new BasicNameValuePair(\"username\", name));\r\n params.add(new BasicNameValuePair(\"password\", password));\r\n if(email.length()>0)\r\n params.add(new BasicNameValuePair(\"email\",email));\r\n\r\n JSONObject json = jsonParser.makeHttpRequest(URL, \"POST\", params);\r\n\r\n\r\n return json;\r\n\r\n }\r\n\r\n protected void onPostExecute(JSONObject result) {\r\n\r\n \/\/ dismiss the dialog once product deleted\r\n \/\/Toast.makeText(getApplicationContext(),result,Toast.LENGTH_LONG).show();\r\n\r\n try {\r\n if (result != null) {\r\n Toast.makeText(getApplicationContext(),result.getString(\"message\"),Toast.LENGTH_LONG).show();\r\n } else {\r\n Toast.makeText(getApplicationContext(), \"Unable to retrieve any data from server\", Toast.LENGTH_LONG).show();\r\n }\r\n } catch (JSONException e) {\r\n e.printStackTrace();\r\n }\r\n\r\n\r\n }\r\n\r\n }\r\n}\r\n<\/code><\/pre>\n\u306a\u304b\u306a\u304b\u5927\u304d\u306a\u30b3\u30fc\u30c9\u3067\u3059\u306d\uff01\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u304b\u3089\u91cd\u8981\u306a\u63a8\u8ad6\u3092\u5f15\u304d\u51fa\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
\n- \n
https:\/\/10.0.3.2\u306f\u3001localhost\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002\u3053\u306e\u30a2\u30c9\u30ec\u30b9\u306f\u3001Genymotion\u30a8\u30df\u30e5\u30ec\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306e\u307f\u6a5f\u80fd\u3057\u307e\u3059\u3002AVD\u30a8\u30df\u30e5\u30ec\u30fc\u30bf\u3067\u306f\u3001\u6539\u5584\u3055\u308c\u305fhttps:\/\/10.0.2.2\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u81ea\u5206\u306e\u30c7\u30d0\u30a4\u30b9\u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306eWIFI\u30a2\u30c9\u30ec\u30b9\u3092\u4ee3\u308f\u308a\u306b\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4f8b\uff1ahttps:\/\/192.168.0.143\u3002<\/ol>\n<\/li>\n<\/ol>\n <\/p>\n
\n- \n
REGISTER\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u308b\u3068\u3001SIGN IN\u30dc\u30bf\u30f3\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u7684\u306b\u975e\u8868\u793a\u306b\u3057\u3001\u4ee3\u308f\u308a\u306b\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5165\u529b\u30c6\u30ad\u30b9\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/ol>\n<\/li>\n<\/ol>\n <\/p>\n
\n- \n
AttemptLogin\u30af\u30e9\u30b9\u306f\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u30ed\u30fc\u30ab\u30eb\u30db\u30b9\u30c8\u3078\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30afHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u540d\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3001\u304a\u3088\u3073\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u3001ArrayList\u306b\u8ffd\u52a0\u3055\u308c\u3001JSONParser\u30af\u30e9\u30b9\u306emakeHttpRequest(URL, “POST”, params);\u30e1\u30bd\u30c3\u30c9\u306b\u6e21\u3055\u308c\u307e\u3059\u3002<\/ol>\n<\/li>\n<\/ol>\n <\/p>\n
onPostExecute\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u8fd4\u3055\u308c\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u6587\u5b57\u5217\u3092Toast\u30e1\u30c3\u30bb\u30fc\u30b8\u3067\u8868\u793a\u3057\u307e\u3059\u3002<\/ol>\n\u4ee5\u4e0b\u306bJSONParser.java\u30af\u30e9\u30b9\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
package com.scdev.loginphpmysql;\r\n\r\nimport android.util.Log;\r\n\r\nimport org.apache.http.HttpEntity;\r\nimport org.apache.http.HttpResponse;\r\nimport org.apache.http.NameValuePair;\r\nimport org.apache.http.client.ClientProtocolException;\r\nimport org.apache.http.client.HttpClient;\r\nimport org.apache.http.client.entity.UrlEncodedFormEntity;\r\nimport org.apache.http.client.methods.HttpGet;\r\nimport org.apache.http.client.methods.HttpPost;\r\nimport org.apache.http.client.utils.URLEncodedUtils;\r\nimport org.apache.http.impl.client.DefaultHttpClient;\r\nimport org.json.JSONArray;\r\nimport org.json.JSONException;\r\nimport org.json.JSONObject;\r\n\r\nimport java.io.BufferedReader;\r\nimport java.io.IOException;\r\nimport java.io.InputStream;\r\nimport java.io.InputStreamReader;\r\nimport java.io.UnsupportedEncodingException;\r\nimport java.util.ArrayList;\r\n\r\n\/**\r\n * Created by anupamchugh on 29\/08\/16.\r\n *\/\r\npublic class JSONParser {\r\n\r\n static InputStream is = null;\r\n static JSONObject jObj = null;\r\n static JSONArray jArr = null;\r\n static String json = \"\";\r\n static String error = \"\";\r\n\r\n \/\/ constructor\r\n public JSONParser() {\r\n\r\n }\r\n\r\n \/\/ function get json from url\r\n \/\/ by making HTTP POST or GET mehtod\r\n public JSONObject makeHttpRequest(String url, String method,\r\n ArrayList params) {\r\n\r\n \/\/ Making HTTP request\r\n try {\r\n\r\n \/\/ check for request method\r\n if(method.equals(\"POST\")){\r\n \/\/ request method is POST\r\n \/\/ defaultHttpClient\r\n HttpClient httpClient = new DefaultHttpClient();\r\n HttpPost httpPost = new HttpPost(url);\r\n httpPost.setEntity(new UrlEncodedFormEntity(params));\r\n try {\r\n Log.e(\"API123\", \" \" +convertStreamToString(httpPost.getEntity().getContent()));\r\n Log.e(\"API123\",httpPost.getURI().toString());\r\n } catch (Exception e) {\r\n e.printStackTrace();\r\n }\r\n\r\n HttpResponse httpResponse = httpClient.execute(httpPost);\r\n Log.e(\"API123\",\"\"+httpResponse.getStatusLine().getStatusCode());\r\n error= String.valueOf(httpResponse.getStatusLine().getStatusCode());\r\n HttpEntity httpEntity = httpResponse.getEntity();\r\n is = httpEntity.getContent();\r\n\r\n }else if(method.equals(\"GET\")){\r\n \/\/ request method is GET\r\n DefaultHttpClient httpClient = new DefaultHttpClient();\r\n String paramString = URLEncodedUtils.format(params, \"utf-8\");\r\n url += \"?\" + paramString;\r\n HttpGet httpGet = new HttpGet(url);\r\n\r\n HttpResponse httpResponse = httpClient.execute(httpGet);\r\n HttpEntity httpEntity = httpResponse.getEntity();\r\n is = httpEntity.getContent();\r\n }\r\n\r\n } catch (UnsupportedEncodingException e) {\r\n e.printStackTrace();\r\n } catch (ClientProtocolException e) {\r\n e.printStackTrace();\r\n } catch (IOException e) {\r\n e.printStackTrace();\r\n }\r\n\r\n try {\r\n BufferedReader reader = new BufferedReader(new InputStreamReader(\r\n is, \"iso-8859-1\"), 8);\r\n StringBuilder sb = new StringBuilder();\r\n String line = null;\r\n while ((line = reader.readLine()) != null) {\r\n sb.append(line + \"\\n\");\r\n }\r\n is.close();\r\n json = sb.toString();\r\n Log.d(\"API123\",json);\r\n } catch (Exception e) {\r\n Log.e(\"Buffer Error\", \"Error converting result \" + e.toString());\r\n }\r\n\r\n \/\/ try to parse the string to a JSON object\r\n try {\r\n jObj = new JSONObject(json);\r\n jObj.put(\"error_code\",error);\r\n } catch (JSONException e) {\r\n Log.e(\"JSON Parser\", \"Error parsing data \" + e.toString());\r\n }\r\n\r\n \/\/ return JSON String\r\n return jObj;\r\n\r\n }\r\n\r\n private String convertStreamToString(InputStream is) throws Exception {\r\n BufferedReader reader = new BufferedReader(new InputStreamReader(is));\r\n StringBuilder sb = new StringBuilder();\r\n String line = null;\r\n while ((line = reader.readLine()) != null) {\r\n sb.append(line);\r\n }\r\n is.close();\r\n return sb.toString();\r\n }\r\n}\r\n<\/code><\/pre>\n\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001makeHttpRequest\u95a2\u6570\u306b\u6e21\u3055\u308c\u308b\u7b2c2\u5f15\u6570\u306b\u5fdc\u3058\u3066\u3001HTTPPost\u307e\u305f\u306fHTTPGet\u306e\u5bfe\u5fdc\u3059\u308b\u30af\u30e9\u30b9\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
jObj.put(\"error_code\",error);\r\n<\/code><\/pre>\n\u4e0a\u8a18\u3067\u306f\u3001\u6700\u7d42\u7684\u306bMainActivity\u30af\u30e9\u30b9\u306b\u8fd4\u3055\u308c\u308bJSONObject\u306b\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u8fd4\u3055\u308c\u305f\u30ec\u30b9\u30dd\u30f3\u30b9\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002 \u6ce8\u610f\uff1aAndroidManifest.xml\u30d5\u30a1\u30a4\u30eb\u306b\u4ee5\u4e0b\u306e\u6a29\u9650\u3092\u8ffd\u52a0\u3059\u308b\u306e\u3092\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n
<uses-permission android:name=\"android.permission.INTERNET\"\/>\r\n<\/code><\/pre>\n\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u3001\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u6700\u4e0b\u90e8\u306b\u30b3\u30e1\u30f3\u30c8\u3092\u6295\u7a3f\u3057\u3001”\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u306b\u5931\u6557\u3057\u307e\u3057\u305f”\u3068\u3044\u3046\u30c8\u30fc\u30b9\u30c8\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002Android 6.0\u4ee5\u964d\u3067\u306f\u3001Manifest.xml\u30d5\u30a1\u30a4\u30eb\u306eapplication\u30bf\u30b0\u306b\u6b21\u306e\u5c5e\u6027\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1aandroid:usesCleartextTraffic=”true” \u306a\u305c\u305d\u3046\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u305d\u308c\u306f\u30a8\u30df\u30e5\u30ec\u30fc\u30bf\u30fc\/\u30c7\u30d0\u30a4\u30b9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304cHTTP\u901a\u4fe1\u3092\u3059\u308b\u305f\u3081\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u6700\u65b0\u306eAndroid Q\u30a8\u30df\u30e5\u30ec\u30fc\u30bf\u30fc\u304b\u3089\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30ad\u30e3\u30d7\u30c1\u30e3\u3067\u51fa\u529b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5909\u66f4\u3055\u308c\u305fAndroidManifest.xml\u30d5\u30a1\u30a4\u30eb\u3092\u6301\u3064\u6700\u65b0\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306f\u30ea\u30f3\u30af\u3068GitHub\u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u66f4\u65b0\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u52d5\u4f5c\u7d50\u679c\u306f\u3001\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n
\u30a2\u30f3\u30c9\u30ed\u30a4\u30c9\u306e\u30e6\u30fc\u30b6\u30fc\u767b\u9332<\/h4>\n
\u4ee5\u4e0b\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u306f\u3001\u65b0\u3057\u3044\u30e6\u30fc\u30b6\u30fc\u3092\u767b\u9332\u3057\u3001\u305d\u308c\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002\u767b\u9332\u6642\u306b\u5165\u529b\u3057\u305f\u8a8d\u8a3c\u60c5\u5831\u3092\u4f7f\u7528\u3057\u3066\u30ed\u30b0\u30a4\u30f3\u3057\u307e\u3059\u3002<\/p>\n
![\"Android](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/6564996edaa94e2bdf7c0e85\/51-0.gif\" "\\"\\"")
<\/div>\n\u4e0b\u8a18\u306e\u30ea\u30f3\u30af\u304b\u3089\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u306f\u3001PHP\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u6301\u3059\u308btest_android\u30d5\u30a9\u30eb\u30c0\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u3092xampp->htdocs\u30d5\u30a9\u30eb\u30c0\u306b\u30b3\u30d4\u30fc\u3057\u3066\u304f\u3060\u3055\u3044\uff01\u5e78\u904b\u3092\u7948\u308a\u307e\u3059\u3002<\/p>\n
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