code format, phpdocs and dependencies update

composer.json

@@ -1,34 +1,42 @@
 {
-    "name": "tufanbarisyildirim/php-apk-parser",
-    "type": "library",
-    "description": "Read basic info about an application from .apk file.",
-    "keywords": ["apk", "parser", "android"],
-    "homepage": "https://github.com/tufanbarisyildirim/php-apk-parser",
-    "license": "MIT",
-    "authors": [
-        {
-            "name": "Tufan Baris YILDIRIM",
-            "email": "tufanbarisyildirim@gmail.com",
-            "homepage": "http://tufanbarisyildirim.com",
-            "role": "Developer"
-        }
-    ],
-    "require": {
-        "php": ">=5.3.0"
-    },
-    "require-dev": {
-        "phpunit/phpunit": "3.7.*"
-    },
-    "repositories": [
-        {
-            "type": "vcs",
-            "url": "https://github.com/tufanbarisyildirim/php-apk-parser.git"
-        }
-    ],
-    "autoload": {
-        "psr-0": {
-            "ApkParser": "lib"
-        }
-    },
-    "minimum-stability": "dev"
+  "name": "tufanbarisyildirim/php-apk-parser",
+  "type": "library",
+  "description": "Read basic info about an application from .apk file.",
+  "keywords": [
+    "apk",
+    "parser",
+    "android"
+  ],
+  "homepage": "https://github.com/tufanbarisyildirim/php-apk-parser",
+  "license": "MIT",
+  "authors": [
+    {
+      "name": "Tufan Baris YILDIRIM",
+      "email": "tufanbarisyildirim@gmail.com",
+      "homepage": "http://tufanbarisyildirim.com",
+      "role": "Developer"
+    }
+  ],
+  "require": {
+    "php": ">=5.3.0",
+    "ext-simplexml": "*",
+    "ext-json": "*",
+    "ext-libxml": "*",
+    "ext-mbstring": "*"
+  },
+  "require-dev": {
+    "phpunit/phpunit": "3.7.*"
+  },
+  "repositories": [
+    {
+      "type": "vcs",
+      "url": "https://github.com/tufanbarisyildirim/php-apk-parser.git"
+    }
+  ],
+  "autoload": {
+    "psr-0": {
+      "ApkParser": "lib"
+    }
+  },
+  "minimum-stability": "dev"
 }

lib/ApkParser/Application.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace ApkParser;
 
 /**
@@ -9,7 +10,6 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
-
 class Application
 {
     /**
@@ -54,7 +54,7 @@ public function getLabel()
     public function getAttr($attrName)
     {
         $attr = get_object_vars($this->application);
-        return (string)$attr['@attributes'][$attrName];
+        return isset($attr['@attributes']) && isset($attr['@attributes'][$attrName]) ? (string)$attr['@attributes'][$attrName] : null;
     }
 
     /**

lib/ApkParser/Config.php

@@ -7,7 +7,9 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+
 namespace ApkParser;
+
 /**
  * Class Config
  * @package ApkParser
@@ -28,8 +30,8 @@ class Config
     public function __construct(array $config = array())
     {
         $this->config = array_merge(array(
-            'tmp_path' => sys_get_temp_dir(),
-            'jar_path' => __DIR__ . '/Dex/dedexer.jar',
+            'tmp_path'      => sys_get_temp_dir(),
+            'jar_path'      => __DIR__ . '/Dex/dedexer.jar',
             'manifest_only' => false
         ), $config);
     }

lib/ApkParser/Exceptions/ApkException.php

@@ -1,6 +1,15 @@
 <?php
+
 namespace ApkParser\Exceptions;
 
+/**
+ * This file is part of the Apk Parser package.
+ *
+ * (c) Tufan Baris Yildirim <tufanbarisyildirim@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
 class ApkException extends \Exception
 {
 

lib/ApkParser/Exceptions/FileNotFoundException.php

@@ -1,6 +1,15 @@
 <?php
+
 namespace ApkParser\Exceptions;
 
+/**
+ * This file is part of the Apk Parser package.
+ *
+ * (c) Tufan Baris Yildirim <tufanbarisyildirim@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
 class FileNotFoundException extends ApkException
 {
 

lib/ApkParser/Exceptions/StreamNotFoundException.php

@@ -1,6 +1,15 @@
 <?php
+
 namespace ApkParser\Exceptions;
 
+/**
+ * This file is part of the Apk Parser package.
+ *
+ * (c) Tufan Baris Yildirim <tufanbarisyildirim@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
 class StreamNotFoundException extends ApkException
 {
 

lib/ApkParser/Exceptions/XmlParserException.php

@@ -1,19 +1,27 @@
 <?php
-/**
- * Created by mcfedr on 1/15/16 12:04
- */
 
 namespace ApkParser\Exceptions;
 
-use Exception;
 
+/**
+ * This file is part of the Apk Parser package.
+ *
+ * (c) Tufan Baris Yildirim <tufanbarisyildirim@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
 class XmlParserException extends ApkException
 {
     /**
      * @var \LibXMLError[]
      */
     private $xmlErrors;
 
+    /**
+     * XmlParserException constructor.
+     * @param $xmlstr
+     */
     public function __construct($xmlstr)
     {
         $this->xmlErrors = libxml_get_errors();
@@ -37,7 +45,7 @@ public function __construct($xmlstr)
      */
     private function display_xml_error(\LibXMLError $error, $xml)
     {
-        $return  = $xml[$error->line - 1] . "\n";
+        $return = $xml[$error->line - 1] . "\n";
         $return .= str_repeat('-', $error->column) . "^\n";
 
         switch ($error->level) {

lib/ApkParser/IntentFilter.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace ApkParser;
 
 /**
@@ -9,7 +10,6 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
-
 class IntentFilter
 {
     public $actions = array();