These two days need to do audio and video playback related things, so the current Android to find the decoder library. Android's own decoder library is not fully supported, so many Third-party players are ffmpeg, most of them are used as decoding
According to foreign media reports, Google's Android system, caused by open source of ROM and hardware products on the fragmentation, has not counted the news. The latest data released by a mobile software developer is a reflection of this situation.
Currently the most popular smartphone operating system for smartphones is Android's mobile operating system, which has received a 70%.1 concern, with iOS and Aliyun's "Cottage Android" being 15.9% and 2.9%, respectively. For this is just launched by
1, for many users, root is not necessary, it is only when you install in the simulator, such as 360 phone guards-the security of the detection application to determine whether you can go to the phone, or the re file Manager-the easy way to call
Mac and win shortcut key differences:
Frequently used shortcuts are those that are not pure Android studio after keymap to eclipse.
Android Studio shortcut key Introduction:
Ctrl+g/ctrl+alt+shift+g: Query variables or functions or
One of the most commonly used bindings in Roboguice is linked bindings, which maps a type to its implementation. Here we use the class in the two-dimensional graphics library of the guide bee as an example, the use of the two-dimensional graphics
Department of Famous Doors Android (4)-Activities (activity), services (service), broadcast (broadcast), broadcast receiver (Broadcastreceiver)
Introduced
Use activity, service, broadcast, broadcastreceiver in Android
Activity-Used to perform
Because I do not have a real machine environment, so I need to simulate in the simulator, so I want to download the source code version of the support simulator, and the goldfish version is specifically provided for the simulator environment.
The
As mentioned earlier, Androidgraphics2dtutorial said it was derived from listactivity. Listview,listview and Gallery are shown in listactivity, and spinner have one thing in common: they are all subclasses of Adapterview. The Adapterview display can
The Device Admin example describes class Deviceadminreceiver,devicepolicymanager and Activitymanager.
Class Devicepolicymanager A number of strategies for managing the definition of an Android device, mainly referring to the length of the password
The main tools needed for the Android development platform are Java Virtual machine jdk, Eclipse, Eclipse plug-in ADT (Android Developer Tool), and the Android Development Kit SDK, the following are the specific installation methods.
A, JDK
The
Share an android debug mode. When waiting for debugger occurs, it will shut down and use a clever solution, androiddebugger.
When android studio is used to develop programs, sometimes the waiting for debugger gets stuck on the interface and the
(Conversion) drawable (ldpi, mdpi, hdpi, xhdpi, and xxhdpi) in the android res folder ),Drawable (ldpi, mdpi, hdpi, xhdpi, and xxhdpi) in the android res folder)
(1) The drawable-hdpi contains high-resolution images, such as WVGA (480x800) and FWVGA
Glide allows you to view images and save images to your mobile phone. glide allows you to view images.
Two Methods: recommended method 1Method 1 downloadOnly
Create an ImageActivity
Public class ImageActivity extends AppCompatActivity {private
Android uses UDP to transmit data, which causes Chinese garbled characters. Android udp
Recently, the company needs to develop towards the smart home industry. We need to use UDP to transmit data and find some information on the Internet. However,
Android-like double-click font amplification and sliding conflict, text display is incomplete, android-like font Amplification
Xml: Android: fillViewport = "true" must be used in scrollview. Otherwise, gravity = "ceter" is used in the nested layout
Configure adb environment variables and adb Environment Variables
Reprinted please indicate the source: http://www.cnblogs.com/cnwutianhao/p/6557571.html
Android Developers often use the adb command to push, pull, install, and view databases.
Use Android-Debug-Database to view the App Database in the browser.
Usage reference:Http://www.jianshu.com/p/89ccae3e590bSource Code address:Https://github.com/amitshekhariitbhu/Android-Debug-DatabaseFeatures:
Add dependency:Add the following code
How to sign an APK ?, APK signature? 1. file used to generate the application Signature
① Default: debug. keystore
> The debug signature application cannot be commercially available in the Android Market. It forces you to use your own signature.>
Android advanced component ----- automatically edit text box, Android ----- text box
The AutoCompleteTextView is inherited from EditText and can be input and edited by users. However, it has its own feature: after a certain number of characters are
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