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Environment: WIN10 Pro Edition (creator), Android studio 2.3.1 Problem Description: After installing play Android studio after creating a project, after establishing the AVD, you cannot start the AVD when you run the program, specifically:" Waiting for target device to come online ". That is, "wait for the target
1: Preface:We are in the process of Android development, many of the implementation is to the remote server to take data, but not necessarily the current device must be connected to the network Ah, so at this time we are to make judgments,If there is a network, then go to the remote server to get data, if there is no network, give users a small warm hint, at the same time for the user's experience friendly,
This article refers to the blog: http://blog.csdn.net/aurorayqz/article/details/65705300. Here are my actual actions.1. Using Android Device Monitor to view the Data folder under the File Explorer directory, the result is blank. This problem is caused by the incorrect Linux permissions on the Data folder.Workaround: Run-"cmd-" Input: adb shell-"input: Su-" input: chmod 777/data-Input: chmod 777/data/data an
the configuration class is used to describe the information on a mobile device. Sometimes our app needs to get the phone's system information and adjust our app based on the phone's information , so we need to use the Configuration class. (1) get the Configuration ObjectCall the Activity 's method to get the system's Configuration object:Configuration config = getresources (). GetConfiguration ();(2) Obtaining de
Recently in the direction of the camera to deal with the problem, in the Android device orientation problems, there are some questions on the way to write a demo to understand how the Android device orientation is a judgment.Android Device Orientation is the most common use
/* ********************************************************************************* * I.MX6 Android Device Node Permissions * Description: * Android is using UEVENTD to create device node, will resolve ueventd.rc and ueventd.xxx.rc two * files in the devic
Use JavaScript or PHP to detect the code of the Android device. With the return of Steve Jobs and the release of iPad2, it seems that mobile development is becoming increasingly popular. Here we will list some detection methods that can be used in the Android system, the biggest competitor of iOS, with the return of Steve Jobs and the release of iPad2, it seems t
Look at the documentation for Android USB today and find a good gray skill--debug Android device! wirelesslyThis is suitable for troubleshooting Android devices that are unable to connect to the computer through OTG connections, causing logcat information to be viewed and debugged.Connect the
Screen resolution may vary due to the size of different phones. You may have encountered these problems while developing your application:1, why does the picture become smaller or smaller when it is displayed on another phone?2, why is the pattern defined in layout distorted on another phone?3, why does your own custom control size display is not normal?。。。。。。。。。。。。。。。。These are some of the more common device compatibility issues in
[Transfer from]http://blog.csdn.net/kuanxu/article/details/7444874Recently, because you want to debug your code on another Android device, check its log on your native PC. Two machines away from the relatively far, can not be directly connected with the USB, so find a lot of information on the Internet, the most find using the ADB Connect method to solve the problem. The resolution process is as follows:1,
S5pv210 generates several video-related device nodes under/dev/, which are /Dev/video0,/dev/video1,/dev/video2 /Dev/video14,/dev/video21,/dev/video22 Video0, video1, and video2 are closely related to Android camera/overlay Hal. The Hal layer determines the specific functions of these three devices, that is to say, the device driver layer does not define thei
Android provides a user-level lightweight LOG Mechanism. Its implementation runs through Java, JNI, local c/c ++ implementation, Linux kernel driver, and Other Android layers, it is simple and clear enough to explain the case. This series of articles explains the internal implementation mechanism of the LOG mechanism. This article is part 3 of this series, interpreting
() method of the Intent Object , set the action, parameter:Android.intent.action.VIEW Call the Intent object's addcategory () Add type, parameter:Android.intent.category.DEFAULTCall the Intent object's setData (), set the data,Parameters:URI object, get uri object uri.parse ("Package:" +getpackagename ())Call startactivity ()Device_admin_sample.xmlDevice-adminxmlns:android= "Http://schemas.android.com/apk/res/android"> uses-policies> Limit-passwo
Clicking the back key of the device is equivalent to notifying the Android system "I have finished using the activity and I don't need it now." "After receiving the instruction, the system immediately destroys the activity. That is, call OnPause ()->onstop ()->ondestroy () Click on the Home key, equivalent to notify Android "I'll take a look elsewhere and mayb
Specify a debugging device for a Qt-based Android Application in Linux.Specify a debugging device for a Qt-based Android Application in Linux I recently installed Ubuntu Kylin with Chinese and foreign counterparts. Then I switched to the sogou input method, and the encoding felt much better than Microsoft's. Opening Q
Android provides a user-level lightweight LOG Mechanism. Its implementation runs through Java, JNI, local c/c ++ implementation, Linux kernel driver, and Other Android layers, and is simple and clear enough, it is a pretty good case. This series of articles explains the internal implementation mechanism of the LOG mechanism. This article is part 4 of the series. It explains the implementation of the
recent version KitKat or Oracle Java 6来 compiled, so you need to download the installation OpenJDK 7Java 7:for The latest version of Android$ sudo apt-get update$ sudo apt-get install openjdk-7-jdkOptionally, update the default Java version by running:$ sudo update-alternatives --config java$ sudo update-alternatives --config javacCompile: I used the armv7-a-neon default compiler:Printconfig============================================Platform_version
source code needs OPENJDK to compile. The recent version number KitKat or Oracle Java 6来 compiled, so you need to download the installation OpenJDK 7Java 7:for The latest version of Android$ sudo apt-get update$ sudo apt-get install openjdk-7-jdkOptionally, update the default Java version by running:$ sudo update-alternatives --config java$ sudo update-alternatives --config javacCompile: I used the Armv7-a-neon default compilation inside:Printconfig=
There are two ways to create AVD: one is to create it directly on the eclipse platform, and the other is to create it in the command line (both methods are simple) Create AVD in eclispe first On the eclispe menu bar, select the 'window' option and select 'android SDK and AVD Manager' Click new to create AVD. Click new to bring up the create new Android Virtual Device
The examples in this article describe how to modify device permissions in Android. Share to everyone for your reference. Specifically as follows: Sometimes we write the driver, in the upper program to access the device, but the Android code compiled device permissions are r
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