set up nearby device android

To solve the Android device fragmentation, introduce a concept density, that is, density. It refers to the number of pixels displayed on a physical screen of a certain size, generally using the dpi (dots per inch, pixel of each inch) as a single such as the device resolution of 240x320, screen physical size of 1.5 inches x2 inches (Diagonal 2.5) Its density can

2014-07-16Environment: COCOS2DX 2.2.4AppDelegate.cpp in FPS set to 60Pdirector->setanimationinterval (1.0/60);Problem: Run on two Android devices. Two FPS is not the samei9100:4.0 system, fps approx. 60, (change FPS to 30, also changes)s5700:2.3 system, fps approx. 80, (change FPS to 30, still 80)This results in the game brush frame, the two machines run at a different speed.Workaround such as the following

Free Library and tool set for Android development, android class libraryA set of free class libraries and tools for Android development, which are classified by directory. Action Bars ActionBarSherlock Extended ActionBar FadingActionBar GlassActionBar V7 appcompat libr

I checked a lot of information and many people mistakenly thought it was the/dev/yourdevice created by the kernel. In the latest kernel, this statement is incorrect. In fact, the kernel is only responsible for creating a large number of directories and files in/sys, The real device nodes are created in the user space. In the Android system, the INIT process is responsible for processing such uevent event

Suppose the API or APK in the Android system cannot read and write to the USB device. may not be added to read and write USB permissions, you need to follow such as the following methods to set up:1. Include the following in the android.hardware.usb.host.xml file, for example name="android.hardware.usb.host"/> 2. In tablet_core_hardware. XML file, such

1. Install MTP Software FirstApt-get Install Mtpfs libmtp-common mtp-tools libmtp-dev libmtp-runtime LIBMTP92. Edit the/etc/fuse.conf file#/etc/fuse.conf-configuration file for Filesystem in userspace (fuse) #Set The maximum number of fuse mounts allowed to nOn-root users. #The default is. #mount_max = 1000# Allow non-root users to specify the Allow_other or allow_root mount Options.user_allow_otherUncomment the last line as shown above3. Check your

ComponentName (this, adminreceiver.class);......private void Startdevicemanager () {Intent localintent = new Intent ("Android.app.action.ADD_DEVICE_ADMIN"); Localintent.putextra ("Android.app.extra.DEVICE_ADMIN", this.componentname); Localintent.putextra ("Android.app.extra.ADD_EXPLANATION", "anti-theft photo assistant"); Startactivityforresult (localintent, 0); }OK, here it is. But the problem comes, dig. No, no, what is this? Search through the source code of

1. Set the environment variables of the android SDKSudo VI ~ /. Bashrc # Set path for Android SDK toolsexport Path = $ path: $ android_sdk_home/platform-toos 2. Exit execution: Source ~ /. Bashrc3. create a udev rule file. Root permission is required. Sudo Su- VI/etc/udev/rules. d/70-android.rules Add the following lin

we usually use mobile phone debugging, often is the hand, can download a jar package can be mapped to the computer Desktop screen, but run comparison card, and then give up, and then, the phone is sometimes not easy to connect data cable, PC and mobile phone (even WiFi) in the same network segment, Can be debugged by wireless!Use the Wireless mode method: One: cmd Open command window: (set ADBD listening port) adb tcpip 5555

Capture the Android device request API When you carry such a large stack of data, how does PHP emulate this data? customerid:801 clientagent:m351#1080*1800 versionid:5.6.2 Model:generic/anyphone Contentformat:json2 userid:412b46585b10a8b8a8aac6e7f92b8811 token:7531756a785967676c4a6371664b33767531452b356b506e Agency:meizustore01 Clienttest:false content-length:609 content-type:application/x-www-form-urlencod

This character device series, mainly with the help of more easy-to-use character device instances, to explain some of the Linux mechanisms, as well as the more commonly used in the drive interrupt, timer, signal volume and other knowledge, due to my own limited knowledge, the arm of the architecture system is not very familiar with, here, generally only talk about, how to use, For some of the original ratio

Start with two open source projects one is Google's Open source project: https://code.google.com/archive/p/android-serialport-api/The other is the open source project we introduced this time: https://github.com/mik3y/usb-serial-for-android　　First step: Get all the plugged-in serial drivers1 Usbmanager manager = (usbmanager) Getsystemservice (context.usb_service); 2 list usbserialprober.getdefaultprober ().

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="And

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 s