:2107 Dell Computer Corp.
Bus 002 Device 006:id 05c6:9039 Qualcomm, Inc.
2, unplug the USB data cable
Copy Code code as follows:
ubuntu@ubuntu:~$ Lsusb
Bus 001 Device 002:id 8087:0024 Intel Corp. integrated Rate Matching Hub
Bus 002 Device 002:id 8087:0024 Intel Corp. integrated Rate Matching Hub
Bus 001 Device 001:id 1d6b:0002 Linux Foundation 2.0 root Hub
Bus 002 Device 001:id 1d6b:0002 Linux Foundation 2.0 root Hub
QtAndroid details (5): JNI calls Android system functions (2), qtandroidjni
In "QtAndroid details (4): JNI calls Android system functions (1)", we provide some simple examples, demonstrate how to use the Qt JNI class library to access the network status, system resource directory, and current application information. This time, we provide some new examples, which
ListView of common Android UI components (2) -- custom ListView
This article introduces how to select multiple items and filter items in ListView ~
1. Add the following code to the strings. xml file in the res/values Folder:
BasicView5
Settings
Hello world!
Dwight D. Eisenhower
John F. Kennedy
language other than French, Android will load the title from the res/values/strings. xml file.
2. if the device is set to a French language environment, Android will load the title from the res/Values-fr/strings. xml file.
Note that if the device is in a Japanese environment, Android first starts from Res/vaues-Ja/str
Android Address Book Management 2 obtaining call records
The previous blog talked about getting contact information, and this blog is about getting call records.
Package cn. zxw. contact. domain;/*** call record * @ author zhan **/public class CallLogInfo {public String number; public long date; public int type; public CallLogInfo (String number, long date, int type) {super (); this. number = number; thi
Algorithms for image nostalgia:
We use the color matrix to achieve our nostalgic effect. If you do not know how colormatrix works, refer to: Image Color Processing (colormatrix) for Android study notes)
This is the color matrix. We can use the above calculation method to change the value of our color matrix to achieve the desired effect.
The above calculation method can be converted:
M =
In Android, the c
layers that the user passes in the image.
Panorama layer (PanoramaOverlay): points of interest in a panorama. You can customize the icon style.Note: In addition to the pop-up window layer, multiple instances are available for each layer. A Panorama layer is a special layer Used for a panorama.MapView uses a List to manage the covering. You can add or delete a covering to or from a map by adding or removing an instance of the above class or its base class to MapView. getOverlays. After Updating
SDK Access (2) on Android Google play inside payment (In-app billing) Access
Next to the Android Facebook SDK access (1) after finishing the Facebook access process, you can then sort out the access process for Google Play in-app billing payments. Google Play is known as the official Google App Store and an important channel for publishing apps around the w
Intent Object Parsing
Intent can be divided into two groups:
1. Use the component name to clearly point the intent object to the target component (specify the target component name in the component name segment of the intent object ). Generally, developers of other applications do not know the name of the target component. Therefore, an intent object with a clear name is usually used for internal messages of the application, for example, an activity starts a subordinate service or a sister activ
Android note 6. deep understanding of Intent and IntentFilter (2)Deep understanding of Intent and IntentFiler (2) Jiangdg_VIP Http://blog.csdn.net/u012637501In the previous article, we learned more about Intent. Now we will learn how to set these attributes of Intent objects and how to use them to start components. An Intent object is a set of information. We can
In the above "Binder Mechanism 2 of Android system -- Service proxy object (1)", we learned the Service proxy object bpbinder at the C/C ++ layer of the process, and the underlying Processing Method of binder. In this article, we will analyze in depth the creation and use of Service proxy objects at the Java layer of the process.C/C ++ and Java layers of the android
Sencha Study Notes 2: package your first Sencha Android app apk installation package, senchaapk
We have a preliminary impression on sencha through the introduction in the previous translation official Article. At the same time, we also generated the first sample application code framework through this wizard, many people may think that the next step should be based on the detailed information prompted by th
Everyone turned around from eclipse, so they were already familiar with Eclipse's set of shortcut keys. File->settings->keymap–> choose Eclipse and it's done.That said, but the automation hints have changed ctrl+alt+space. Familiar with the alt+/after very not adapt, we can modify1, search for class Name completion to find it.2. Add shortcut keys3. Enter alt+/to press the two keys together. Click OK to get it done.Want to modify the other similar.Ther
(interprocess communication)The Mechanism is similar to that of COM or CORBA,Is based on the interface, but it is lightweight. It uses the proxy class to pass values between the client and the implementation layer.
To use aidl, you need to do two things:
1. Introduce related classes of aidl. 2. Call the class generated by aidl.
Create an aidl ServiceIt is more complex than building a common service,The procedure is as follows::(1) createFiles with t
There are four data storage methods for Android:
1. Shared preferences
It is mainly used to store data in key-value pairs. It is a lightweight storage mechanism and can only store basic data types.
2. Files
Fileinputstream and fileoutputstream are used to operate files. Because files in Android are an applicationProgramPrivate, so other applications canno
Resources in Android refer to non-code parts, such as clips, audios, videos, and characters. Generally, we store native files in assets. For example, MP3 files cannot be directly accessed by Android programs. They must be read as binary streams through the AssetManager class. Layout files are generally stored in the res folder, such as anim, drawable, layout, values, xml, raw, and menu. These resources can
Part 2 code verification
The verification code for various image transformations described in the first section is as follows. A total of 10 cases are listed. To verify a specific situation, you only need to comment out the corresponding code. Images used in the test:
Its size is 162x251.
For the results of each transformation, see the description after the code.
Package COM. pat. testtransformmatrix; import and
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