Android

Build a fully command-line Android build system Step 1 Installing JDK environment With the Android JDK it's best to use the official JDK version instead of the open JDK, and here's how to install JDK 1.7 under Unbuntu. The code is as follows:

Specific steps 1. Open SMS editing (or where you need to enter text), in the input text where the long press, the phone will pop up a menu. 2. Click on the pop-up menu input method options; 3. From the Input method selection list to choose

Today finally a bit of time, to write: for Recyclerview implementation Drop-down refresh and pull load more. Today will be based on the previous two articles:Recyclerview Series (1): Add header and footer for RecyclerviewRecyclerview Series (2): Add

Encountered a dynamic change Seekbar progress bar color and slider color requirements, some according to different progress changes to different colors. How do you do that? We all know set progressdrawable and thumb can, but this set is OK, to

The previous study summed up the usual development of the various data encryption methods, the final will be encrypted binary data for BASE64 encoding, played a two times encryption effect, in fact, Base64 from the strict sense is not a

The difference between XML attribute src and background in ImageView: The background will stretch according to the length given by the ImageView component, and SRC will hold the size of the original image without stretching. SRC is the picture

One, Onnewintent () Override the following methods in Intentactivity: OnCreate onStart onrestart onresume onpause onStop OnDestroy 1, other applications to send intent, to do the following methods: OnCreateOnStartOnresume How to send intent:

Let's look at how Android can shut down, reboot, and in Android, which often requires an administrator level, or root There are several ways to implement Android: The default SDK does not provide the application developer direct Android system

the concept of ZSL The ZSL (zero shutter lag) Chinese name is the time delay photography, is in order to reduce the photo delay, lets the photograph & Echo instantaneous completes one kind of technique. Single Shot When the preview is started,

Android Install kernel module, prompting required key not available Recently, when debugging a driver, loading with Insmod. Ko, the prompt required key not available, the first reaction is the signature problem, the kernel module also began to use

Wrote a long time ago through the browser navigator to judge the browser version or mobile phone type, which introduced the use of Navigator to determine the browser type. Today in this article on the basis of a supplement it! JS to determine the

I don't know how many Android Developers have opinions on the tragic performance of the android Virtual Machine. My opinion is: the speed is too bad! Why are Android virtual machines much slower than iOS and WP7 virtual machines? The reason is as

Recently, I want to see the JNI of Android and I don't want to switch back to Linux. So I have to choose windows + cygwin + ndk, When you start to install the cygwin environment, you generally do not know how to install it. Even after installation,

Introduction Sleep/Wakeup is a very important part in embedded Linux. The embedded device enters sleep state as much as possible to prolong the battery life. this article details how sleep/Wakeup works in Linux, and how to associate this part with

Google Maps API V2 Android mobile phone development in China does not support Google Play service problems-graphic tutorial The use of Google Maps in China is a headache and troublesome. I cannot understand why Google cannot be used as a map of

Android Studio series tutorial 1 download and installation background Android Studio VS Eclipse prepare to download and create the HelloWorld project, androidhelloworld Android Studio series tutorial 1-download and install background Android

Android USB HOST API Android USB HOST API Source Code address: http://developer.android.com/guide/topics/connectivity/usb/host.html Note: It is not very important to translate well. The point is that every sentence will be carefully read during

Project Summary mobile phone number + SMS Verification Code login, mobile phone number verification code First, you need a phone number. Currently, many accounts set the account name to a mobile phone number, and then click the button to obtain the

Why does the GROUP_CONCAT function in MySQL return the BLOB large object type? (Why GROUP_CONCAT returns BLOB ?), Group_concatblob Why does the GROUP_CONCAT function in MySQL return the BLOB large object type? (Why GROUP_CONCAT returns BLOB

Directory[Hide]1 USB Host1.1 document content1.2 related examples1.3API OverviewRequirements for manifest files in Android 1.4Example of 1.4.1Manifest file and resource file1.5 working with accessories1.5.1 device discovery1.5.1.1 use an intent