printing from android device

Android application Crash automatically captures logs _ automatically saves Crash logs to the local device, androidcrash After the application crash occurs, you need to view the log to identify the problem. However, once the application is released, you need to find a way to analyze the user's crash log. Therefore, we need to capture logs after the crash occurs and upload them to the server for developers t

If Bluetooth is paired and connected manually, get the connected device:1. Check the connection status:Java code int A2DP = Bluetoothadapter.getprofileconnectionstate (BLUETOOTHPROFILE.A2DP); int headset = bluetoothadapter.getprofileconnectionstate (Bluetoothprofile.headset); int health = bluetoothadapter.getprofileconnectionstate (bluetoothprofile.health); 2, depending on whether there is a connection to obtain the connected d

Relativelayoutxmlns:android= "Http://schemas.android.com/apk/res/android"2 Xmlns:tools= "Http://schemas.android.com/tools"3 Android:layout_width= "Match_parent"4 Android:layout_height= "Match_parent"5 Android:paddingbottom= "@dimen/activity_vertical_margin"6 Android:paddingleft= "@dimen/activity_horizontal_margin"7 Android:paddingright= "@dimen/activity_horizontal_margin"8 Android:paddingtop= "@dimen/activity_vertical_margin"9 Tools:context= "Kempff.

If you ' re has this same issue the problem is probably an out-of-date SDK. As of Android 4.2.2 There is a security feature this requires you to confirm the RSA fingerprint of the Connectin G device. As the following screenshot: Update ADB TOOL 1. Open the SDK Manager and update the tools! Then reboot. 2. OR Donwload the ADB from the link: Http://dl.vmall.com/c0b481awh1 http://pan.baidu.com/wap/album/file

/** * Gets the MAC address of the device * * @param AC * @param callback * After successfully acquiring the MAC address, this method is recalled */public static void Getmacaddress (final Activity AC, Final Simplecallback callback) {final Wifimanager wm = (Wifimanager) AC. Getsystemservice (Service.wifi_servi (CE)//If WiFi is turned on after the boot, the MAC information can be obtained directly. return data immediately. Wifiinfo info = wm.getconnectio

If the API or APK in the Android system is unable to read or write to the USB device, it may not be possible to add read/write USB permissions, which need to be set as follows:1. In the android.hardware.usb.host.xml file, add the following: name="Android.hardware.usb.host" /> 2. In tablet_core_hardware. Add the following content to the XML file name="Android.hardware.usb.host " > 3. Recompile the

First of all, your mobile phone must have root authority, the risk of misoperation should be cautiousPlease turn on the phone's USB debugging, prevent the phone from changing after the inability to start the repair caused by1, if you are on the phone changes, directly using the RE file manager, edit the/system/build.prop file, findro.product.model=k333Ro.product.brand=ssChange intoRo.product.model=iphone7 Gold Local tyrants version ro.product.brand=appleThen save, restart your phone and you can.

Mobile Android, Apple, tablet device detection.

Release date:Updated on: Affected Systems:Google LookoutDescription:--------------------------------------------------------------------------------Bugtraq id: 57130CVE (CAN) ID: CVE-2012-6336Lookout is a security solution for Android systems.Lookout's Missing Device function allows physical attackers to provide arbitrary location information through the general GPS location spoofing program.Link: http://w

We often do this by getting the services that the system has started to determine if the server needs to be restarted.This article describes the services that are started in the Android device and determines if a service is started1. Access to system services according to Activity_serviceActivitymanager = (Activitymanager) getsystemservice (Activity_service);2. Get the service running in the systemRunningli

Use the Adb.exe shell to enter the shell interface and get the information you need with the following commands:)1 //getprop command to get a lot of information yo2 //1. Get the name of the vendor3 Getprop Ro.product.brand4 //2. Device Model5 Getprop Ro.product.model6 //3. Android version7 Getprop ro.build.version.release8 //4. Nic name9 Wifi.interfaceTen //5.Google Glass System version One Ro.build.version

First, the problem phenomenonDownload the official version of the software, the first boot done setupwizard after the screen can not be locked, home and menu keys are not valid, reboot and return to normal.platform:mt6589Android version: 4.2JBBuildtype:userSystem software version: Swl31+umSystem RAM:1GBsecond, the first time to start the execution of the process Three, the problem analysis Iv. Solutions v. Potential problems and risksDetailed analysis process please download the PDF document dir

to introduce theAndroidapi.jnibridge,//need to introduce *Androidapi.JNI.Provider,//need to introduce $Androidapi.helpers;//need to introducePanax Notoginseng - {$R *.FMX} the {$R *. NMXHDPIPH.FMX ANDROID} + //define a Query method A procedureQuerycontact (AName:string; alist:tstrings); the var + Cursorcontactsphone:jcursor; -Selectionstring; $Oprojection:tjavaobjectarray; $Oselectionargs:tjavaobjectarray; - Fieldindex:integer; - begin the ifAlist

void OnPause () { cocos2dxrenderer.setispause (true); Super . OnPause (); Cocos2dxhelper.onpause (); This . Mglsurfaceview.onpause (); }5. Add a line of code in the Volatiletexture::reloadalltextures () method of CCTextureCache.cpp to resume the paused statevoid volatiletexture::reloadalltextures () { true; Cclog ("reload all texture"); ... ... // Intermediate content omitted here false ; // last row pause set to False Ccdirector::shareddirec

In Android, the listening of Bluetooth device buttons is the same as the listening of general system buttons, but it only processes different keyevents. Here we will talk about the value of the previous and next keyevents sent by bluetooth, Listen to and perform corresponding processing. Public Boolean onkeydown (INT keycode, keyevent event) {Switch (keycode) {Case keyevent. keycode_media_next: // imple

Obtain all available Sensors and androidsensors on a device on the Android platform. I was going to write a small app that detects the temperature of a mobile phone. I want to learn about the sensor api, but I can't write the result. After detection, we found that the obtained Sensor is NULL, so we can see that my mobile phone does not have the TYPE_AMBIENT_TEMPERATURE Sensor. So I wrote an APP to list all

Before Android 4.0, you can use the following method to obtain the screen width and height: DisplayMetrics dm = new DisplayMetrics (); GetWindowManager (). getDefaultDisplay (). getMetrics (dm ); Int mScreenW = dm. widthPixels; // obtain the width. Int mScreenH = dm. heightPixels; // get the height In the above method, before 4.0, the total width and total height of the screen are obtained, including the height of the status bar and the height of

( Environment.getexternalstoragedirectory (), System.currenttimemillis () + ". 3gp"); Mediarecorder.setoutputfile ( File.getabsolutepath ());//5. Set the audio encoding Mediarecorder.setaudioencoder (MediaRecorder.AudioEncoder.DEFAULT);//6. Ready to start recording mediarecorder.prepare ();//7. Start recording Mediarecorder.start (); break;}} catch (Exception e) {e.printstacktrace ();}}} The method called when the service is destroyed @overridepublic void OnDestroy () {Super.ondestroy ();//canc

I mac Pro, system version OS X EI Capitan (10.11) produced at the beginning of 2015Previously believed that the Mac shared WiFi can only be given to Apple devices, later found that the original is not. We just need to make the band 6 more 11 (Universal) or (WiFi 5G), very convenient, no need to install any software.Specific operation: Click on the top left corner of the mouse, select "System Preferences", click on the Popup Interface "sharing"; Click on "Internet Sharing", do not tick t

JS to determine whether the device is iOS or Android