is chromebook android device

1. To obtain the battery information of the Android device, register a BroadCastReceiver whose Action is Intent. ACTION_BATTERY_CHANGED. 2. In the BroadcastReceiver onReceive () event, the received Intent. ACTION_BATTERY_CHANGED includes the following information: "Present" (boolean )..."Level" (int )... Remaining battery capacity"Scale" (int )... Maximum battery

Now smartphones (the mobile phones in the broad sense, including mobile devices such as mobile phones, tablets, etc.) are becoming more and more important in life, people use mobile phones much more than computers, because of the portability of mobile phones, so many times we will need to use mobile phone to carry data or files, or for entertainment. For example, when riding a train or a car, to see a movie with a mobile phone is quite good, now the p

When debugging a mobile phoneProgramWhen an error occurs, we can get the error message, When we use a real machine for Android Application debugging, we cannot obtain the debugging information. The error message is as follows: Unable to open log device '/dev/log/main': no such file or directory. This is because ou

Workaround 1:lsusb View the VendorID number, and then add (or modify) the 51-android.rules file under the/etc/udev/rules.d/directory.Add a record:subsystem== "USB", sysfs{idvendor}== "xxxx", mode= "0666" where xxxx is the value obtained by LSUSB viewThe common situation is as follows, I have listed here:# HTCsubsystem== "USB", sysfs{idvendor}== "0bb4", mode= "0666"# Motorolasubsystem== "USB", sysfs{idvendor

user and whether the user is a Mobile user. You can determine the iphone, Android, Windows Mobile, and general Mobile phone systems.*/Function isMobile (){// Determine the iphone and ipad. Do not jump$ UserAgent = $ _ SERVER ['HTTP _ USER_AGENT '];If (strpos ($ userAgent, "iPhone") |Strpos ($ userAgent, "iPad") |Strpos ($ userAgent, "iPod") |Strpos ($ userAgent, "iOS ")){Return false;}// If HTTP_X_WAP_PROF

1. In the Project Tools window, right-click the Res directory and select the New--android Resource Directory menu item.2. Select layout from the Resource type resource type list to keep the main option of the source set intact.3. Select orientation in the list of selected resource features and click the button to move to the selected Resource feature area on the right.4. Confirm the landscape option for the selected screen orientation drop-down list a

Overall access can be mobile data on the Internet get IP also can WiFi access methodpublic static String Getphoneip () { try {for (enumerationWiFi Get IP methodPrivate String inttoip (int IP) {return (IP 0xFF) + "." + ((IP >> 8) 0xFF) + "." + ((IP >> +) 0xFF) + "." + ((IP >> +) 0xFF);} Private String GetIP () {//Get WIFI service Wifimanager Wifimanager = (wifimanager) getsystemservice (context.wifi_service);// Determine if WiFi is turn

Android obtains the IP address of the device. Overall retrieval: You can use mobile data to access the Internet and obtain IP addresses. You can also use WiFi to obtain IP addresses. public static String getPhoneIp() { try { for (Enumeration en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) { NetworkInterface intf = en.nextElement(); for (Enumerat

private void Get1 () { Resources resources = This.getresources (); Displaymetrics DM = Resources.getdisplaymetrics (); int width = dm.widthpixels; int height = dm.heightpixels; LOG.D ("Method 1", Width + "," + height); } private void Get2 () { WindowManager manager = This.getwindowmanager (); Displaymetrics outmetrics = new Displaymetrics (); Manager.getdefaultdisplay (). Getmetrics (outmetrics); int width = outmetrics.widthpixels; int height

JS Judgment(Above JS judgment method, personal test down, on Windows Phone8 will be judged as PC)PHP judgment/** * To determine if it is accessed via mobile phone*/function IsMobile () {//If you have http_x_wap_profile, it must be a mobile device . if(Isset ($_server['Http_x_wap_profile'])) { return true; } //if the VIA message contains a WAP, it must be a mobile

The following are the functions I am using, but it seems that there is something wrong with the iphone. If you have a better solution, you can leave a message and send it to me. Thank you very much. The code is as follows:Copy code // If it is set on the mobile phone, jump to the mobile phone PageIf (isMobile ()){Header ("Location: mobile. php ");Ex

With regard to the use of unit tests, sometimes it is necessary to detect the feasibility and correctness of code logic in the process of writing code, and do not want to run through the device, so you can run the code through unit tests ~1, first build Android studio Android project;2, you can see there are 3 differen

How does the Android project read the JSON string and androidjson string from the local device? If I have such a Demo to write, that is, I already have a JSON string at hand and want to parse it now, how should I store this JSON string in this Android project, to be read successfully. The following three solutions are

: This article describes how to use php to determine whether the client is a mobile device. For more information about PHP tutorials, see. // Determine whether the mobile phone function is_mobile () {$ user_agent = $ _ SERVER ['http _ USER_AGENT ']; $ mobile_agents = Array ("240x320", "acer ", "ACO on", "acs-", "abacho", "ahong", "airness", "alcatel", "amoi", "android