java.net.SocketException: Permission denied (maybe missing INTERNET permission)
这是一个经典错误， Socket不能对外连接，错误不会被报出，调试的时候，能看到Exception, 这个Exception会有非常多变体。
Android默认不同意訪问网络，所以，在AndroidManifest.xml中，须要进行例如以下配置：
<uses-permission android:name="android.permission.INTERNET" />
以加入网络訪问权限。
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Android权限在源码编译生成的文件里：out/target/common/R/android/Manifest.java，详细内容例如以下：
public final class Manifest {
public static final class permission {
//详细代码略去
}
}
下面附Android 权限大全中英对比，以备使用，依据网友提醒可能不全，只是知道了方法，找的也就easy了
android.permission.ACCESS_CHECKIN_PROPERTIES
同意读写訪问”properties”表在checkin数据库中，改值能够改动上传( Allows read/write access to the “properties” table in the checkin database, to change values that get uploaded)
android.permission.ACCESS_COARSE_LOCATION
同意一个程序訪问CellID或WiFi热点来获取粗略的位置(Allows an application to access coarse (e.g., Cell-ID, WiFi) location)
android.permission.ACCESS_FINE_LOCATION
同意一个程序訪问精良位置(如GPS) (Allows an application to access fine (e.g., GPS) location)
android.permission.ACCESS_LOCATION_EXTRA_COMMANDS
同意应用程序訪问额外的位置提供命令(Allows an application to access extra location provider commands)
android.permission.ACCESS_MOCK_LOCATION
同意程序创建模拟位置提供用于測试(Allows an application to create mock location providers for testing)
android.permission.ACCESS_NETWORK_STATE
同意程序訪问有关GSM网络信息(Allows applications to access information about networks)
android.permission.ACCESS_SURFACE_FLINGER
同意程序使用SurfaceFlinger底层特性(Allows an application to use SurfaceFlinger’s low level features)
android.permission.ACCESS_WIFI_STATE
同意程序訪问Wi-Fi网络状态信息(Allows applications to access information about Wi-Fi networks)
android.permission.ADD_SYSTEM_SERVICE
同意程序公布系统级服务(Allows an application to publish system-level services).
android.permission.BATTERY_STATS
同意程序更新手机电池统计信息(Allows an application to update the collected battery statistics)
android.permission.BLUETOOTH
同意程序连接到已配对的蓝牙设备(Allows applications to connect to paired bluetooth devices)
android.permission.BLUETOOTH_ADMIN
同意程序发现和配对蓝牙设备(Allows applications to discover and pair bluetooth devices)
android.permission.BRICK
请求可以禁用设备(很危急)(Required to be able to disable the device (very *erous!).)
android.permission.BROADCAST_PACKAGE_REMOVED
同意程序广播一个提示消息在一个应用程序包已经移除后(Allows an application to broadcast a notification that an application package has been removed)
android.permission.BROADCAST_STICKY
同意一个程序广播经常使用intents(Allows an application to broadcast sticky intents)
android.permission.CALL_PHONE
同意一个程序初始化一个电话拨号不需通过拨号用户界面须要用户确认(Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call being placed.)
android.permission.CALL_PRIVILEGED
同意一个程序拨打不论什么号码，包括紧急号码无需通过拨号用户界面须要用户确认(Allows an application to call any phone number, including emergency numbers, without going through the Dialer user interface for the user to confirm the call being placed)
android.permission.CAMERA
请求訪问使用照相设备(Required to be able to access the camera device. )
android.permission.CHANGE_COMPONENT_ENABLED_STATE
同意一个程序是否改变一个组件或其它的启用或禁用(Allows an application to change whether an application component (other than its own) is enabled or not. )
android.permission.CHANGE_CONFIGURATION
同意一个程序改动当前设置，如本地化(Allows an application to modify the current configuration, such as locale. )
android.permission.CHANGE_NETWORK_STATE
同意程序改变网络连接状态(Allows applications to change network connectivity state)
android.permission.CHANGE_WIFI_STATE
同意程序改变Wi-Fi连接状态(Allows applications to change Wi-Fi connectivity state)
android.permission.CLEAR_APP_CACHE
同意一个程序清楚缓存从全部安装的程序在设备中(Allows an application to clear the caches of all installed applications on the device. )
android.permission.CLEAR_APP_USER_DATA
同意一个程序清除用户设置(Allows an application to clear user data)
android.permission.CONTROL_LOCATION_UPDATES
同意启用禁止位置更新提示从无线模块(Allows enabling/disabling location update notifications from the radio. )
android.permission.DELETE_CACHE_FILES
同意程序删除缓存文件(Allows an application to delete cache files)
android.permission.DELETE_PACKAGES
同意一个程序删除包(Allows an application to delete packages)
android.permission.DEVICE_POWER
同意訪问底层电源管理(Allows low-level access to power management)
android.permission.DIAGNOSTIC
同意程序RW诊断资源(Allows applications to RW to diagnostic resources. )
android.permission.DISABLE_KEYGUARD
同意程序禁用键盘锁(Allows applications to disable the keyguard )
android.permission.DUMP
同意程序返回状态抓取信息从系统服务(Allows an application to retrieve state dump information from system services.)
android.permission.EXPAND_STATUS_BAR
同意一个程序扩展收缩在状态栏,android开发网提示应该是一个类似Windows Mobile中的托盘程序(Allows an application to expand or collapse the status bar. )
android.permission.FACTORY_TEST
作为一个工厂測试程序，执行在root用户(Run as a manufacturer test application, running as the root user. )
android.permission.FLASHLIGHT
訪问闪光灯,android开发网提示HTC Dream不包括闪光灯(Allows access to the flashlight )
android.permission.FORCE_BACK
同意程序强行一个后退操作是否在顶层activities(Allows an application to force a BACK operation on whatever is the top activity. )
android.permission.FOTA_UPDATE
临时不了解这是做什么使用的，android开发网分析可能是一个预留权限.
android.permission.GET_ACCOUNTS
訪问一个帐户列表在Accounts Service中(Allows access to the list of accounts in the Accounts Service)
android.permission.GET_PACKAGE_SIZE
同意一个程序获取不论什么package占用空间容量(Allows an application to find out the space used by any package. )
android.permission.GET_TASKS
同意一个程序获取信息有关当前或近期执行的任务，一个缩略的任务状态，是否活动等等(Allows an application to get information about the currently or recently running tasks: a thumbnail representation of the tasks, what activities are running in it, etc.)
android.permission.HARDWARE_TEST
同意訪问硬件(Allows access to hardware peripherals. )
android.permission.INJECT_EVENTS
同意一个程序截获用户事件如按键、触摸、轨迹球等等到一个时间流，android 开发网提醒算是hook技术吧(Allows an application to inject user events (keys, touch, trackball) into the event stream and deliver them to ANY window.)
android.permission.INSTALL_PACKAGES
同意一个程序安装packages(Allows an application to install packages. )
android.permission.INTERNAL_SYSTEM_WINDOW
同意打开窗体使用系统用户界面(Allows an application to open windows that are for use by parts of the system user interface. )
android.permission.INTERNET
同意程序打开网络套接字(Allows applications to open network sockets)
android.permission.MANAGE_APP_TOKENS
同意程序管理(创建、催后、 z- order默认向z轴推移)程序引用在窗体管理器中(Allows an application to manage (create, destroy, Z-order) application tokens in the window manager. )
android.permission.MASTER_CLEAR眼下还没有明白的解释，android开发网分析可能是清除一切数据，类似硬格机
android.permission.MODIFY_AUDIO_SETTINGS
同意程序改动全局音频设置(Allows an application to modify global audio settings)
android.permission.MODIFY_PHONE_STATE
同意改动话机状态，如电源，人机接口等(Allows modification of the telephony state – power on, mmi, etc. )
android.permission.MOUNT_UNMOUNT_FILESYSTEMS
同意挂载和反挂载文件系统可移动存储(Allows mounting and unmounting file systems for removable storage. )
android.permission.PERSISTENT_ACTIVITY
同意一个程序设置他的activities显示(Allow an application to make its activities persistent. )
android.permission.PROCESS_OUTGOING_CALLS
同意程序监视、改动有关播出电话(Allows an application to monitor, modify, or abort outgoing calls)
android.permission.READ_CALENDAR
同意程序读取用户日历数据(Allows an application to read the user’s calendar data.)
android.permission.READ_CONTACTS
同意程序读取用户联系人数据(Allows an application to read the user’s contacts data.)
android.permission.READ_FRAME_BUFFER
同意程序屏幕波或和很多其它常规的訪问帧缓冲数据(Allows an application to take screen shots and more generally get access to the frame buffer data)
android.permission.READ_INPUT_STATE
同意程序返回当前按键状态(Allows an application to retrieve the current state of keys and switches. )
android.permission.READ_LOGS
同意程序读取底层系统日志文件(Allows an application to read the low-level system log files. )
android.permission.READ_OWNER_DATA
同意程序读取全部者数据(Allows an application to read the owner’s data)
android.permission.READ_SMS
同意程序读取短信息(Allows an application to read SMS messages.)
android.permission.READ_SYNC_SETTINGS
同意程序读取同步设置(Allows applications to read the sync settings)
android.permission.READ_SYNC_STATS
同意程序读取同步状态(Allows applications to read the sync stats)
android.permission.REBOOT
请求可以又一次启动设备(Required to be able to reboot the device. )
android.permission.RECEIVE_BOOT_COMPLETED
同意一个程序接收到 ACTION_BOOT_COMPLETED广播在系统完毕启动(Allows an application to receive the ACTION_BOOT_COMPLETED that is broadcast after the system finishes booting. )
android.permission.RECEIVE_MMS
同意一个程序监控将收到MMS彩信,记录或处理(Allows an application to monitor incoming MMS messages, to record or perform processing on them. )
android.permission.RECEIVE_SMS
同意程序监控一个将收到短信息，记录或处理(Allows an application to monitor incoming SMS messages, to record or perform processing on them.)
android.permission.RECEIVE_WAP_PUSH
同意程序监控将收到WAP PUSH信息(Allows an application to monitor incoming WAP push messages. )
android.permission.RECORD_AUDIO
同意程序录制音频(Allows an application to record audio)
android.permission.REORDER_TASKS
同意程序改变Z轴排列任务(Allows an application to change the Z-order of tasks)
android.permission.RESTART_PACKAGES
同意程序又一次启动其它程序(Allows an application to restart other applications)
android.permission.SEND_SMS
同意程序发送SMS短信(Allows an application to send SMS messages)
android.permission.SET_ACTIVITY_WATCHER
同意程序监控或控制activities已经启动全局系统中Allows an application to watch and control how activities are started globally in the system.
android.permission.SET_ALWAYS_FINISH
同意程序控制是否活动间接完毕在处于后台时Allows an application to control whether activities are immediately finished when put in the background.
android.permission.SET_ANIMATION_SCALE
改动全局信息比例(Modify the global animation scaling factor.)
android.permission.SET_DEBUG_APP
配置一个程序用于调试(Configure an application for debugging.)
android.permission.SET_ORIENTATION
同意底层訪问设置屏幕方向和实际旋转(Allows low-level access to setting the orientation (actually rotation) of the screen.)
android.permission.SET_PREFERRED_APPLICATIONS
同意一个程序改动列表參数PackageManager.addPackageToPreferred() 和PackageManager.removePackageFromPreferred()方法(Allows an application to modify the list of preferred applications with the PackageManager.addPackageToPreferred() and PackageManager.removePackageFromPreferred()
methods.)
android.permission.SET_PROCESS_FOREGROUND
同意程序当前执行程序强行到前台(Allows an application to force any currently running process to be in the foreground.)
android.permission.SET_PROCESS_LIMIT
同意设置最大的执行进程数量(Allows an application to set the maximum number of (not needed) application processes that can be running. )
android.permission.SET_TIME_ZONE
同意程序设置时间区域(Allows applications to set the system time zone)
android.permission.SET_WALLPAPER
同意程序设置壁纸(Allows applications to set the wallpaper )
android.permission.SET_WALLPAPER_HINTS
同意程序设置壁纸hits(Allows applications to set the wallpaper hints)
android.permission.SIGNAL_PERSISTENT_PROCESSES
同意程序请求发送信号到全部显示的进程中(Allow an application to request that a signal be sent to all persistent processes)
android.permission.STATUS_BAR
同意程序打开、关闭或禁用状态栏及图标Allows an application to open, close, or disable the status bar and its icons.
android.permission.SUBSCRIBED_FEEDS_READ
同意一个程序訪问订阅RSS Feed内容提供(Allows an application to allow access the subscribed feeds ContentProvider. )
android.permission.SUBSCRIBED_FEEDS_WRITE
系统临时保留改设置,android开发网觉得未来版本号会增加该功能。
android.permission.SYSTEM_ALERT_WINDOW
同意一个程序打开窗体使用 TYPE_SYSTEM_ALERT，显示在其它全部程序的顶层(Allows an application to open windows using the type TYPE_SYSTEM_ALERT, shown on top of all other applications. )
android.permission.VIBRATE
同意訪问振动设备(Allows access to the vibrator)
android.permission.WAKE_LOCK
同意使用PowerManager的 WakeLocks保持进程在休眠时从屏幕消失( Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming)
android.permission.WRITE_APN_SETTINGS
同意程序写入API设置(Allows applications to write the apn settings)
android.permission.WRITE_CALENDAR
同意一个程序写入但不读取用户日历数据(Allows an application to write (but not read) the user’s calendar data. )
android.permission.WRITE_CONTACTS
同意程序写入但不读取用户联系人数据(Allows an application to write (but not read) the user’s contacts data. )
android.permission.WRITE_GSERVICES
同意程序改动Google服务地图(Allows an application to modify the Google service map. )
android.permission.WRITE_OWNER_DATA
同意一个程序写入但不读取全部者数据(Allows an application to write (but not read) the owner’s data.)
android.permission.WRITE_SETTINGS
同意程序读取或写入系统设置(Allows an application to read or write the system settings. )
android.permission.WRITE_SMS
同意程序写短信(Allows an application to write SMS messages)
android.permission.WRITE_SYNC_SETTINGS
同意程序写入同步设置(Allows applications to write the sync settings)
android平台上的权限许可分得非常细，假设软件无法正常运行时看看是不是缺少相关的permission声明，终于我们还须要使用 android sign tools签名生成的apk文件。
