Mobile Develop

The Android-async-http Open Source Network framework is an asynchronous, callback-based HTTP client built specifically for Android on an Apache basis. All requests take place outside the UI thread, and callback occurs in the thread that created it,

OverviewAt present, Android has become the largest market share of mobile smart device platform, but also become a mobile malicious application of the largest breeding ground, the security of mobile Internet is undoubtedly one of the mainstream

One, generate the. KeyStore signature FileDOS access to the JDK Bin directoryRun the following command:Keytool-genkey-alias android-keyalg rsa-validity 20000-keystore android.keystoreProcess, is there any certainty? Fill in Y, enter(-validity 20000

Although the arc mechanism was added after iOS 5.0, a memory leak might exist due to the complexity of the mutual reference relationship. So it's important to understand the principle.Here's how to use instruments to find memory leaks in programs

In the previous blog, we talked about how to use the APK archive file to get the appropriate information. (It was found that information such as Processname,datadir was not available at the time).Now let's see how to get the information about the

Custom TextView: Public classFirstboldtextviewextendstextview{Private BooleanFirstwordbold =false; PrivateString str; PublicFirstboldtextview (context context, AttributeSet attrs,intDefstyle) { Super(context, attrs, Defstyle); //TODO

In many cases, we need to get some information about it through the apk file. (This apk is not necessarily installed at this time)0. Basic knowledge:A Packagemanager instance can be obtained by Android.content.Context Method Getpackagemanager

After updating Baidu map SDK2.5 version1. If you do not know which version of the previous SDK , you need to request a new Key2. add in info.plist: Bundle Display Name--${product_name}3. The new SDK Static library is implemented with objectc++, you

In the previous blog, we introduced the COCOS2D-X development environment under Windows and the Android development environment under Windows, today we introduce the Android development environment under Cocos2d-x.Before setting up the Android

Terminating app due to uncaught exception ' nsinternalinconsistencyexception ', Reason: ' Could not load NIB in bundle: ' Nsbu Ndle (Loaded) ' with name ' Secondviewcontroller "Check the name of Xib first, there's no mistake.Then enter the Targets->

Android Automation test: Top-down Essentials SummaryFirst, the test method1, functional test Monkeyrunner, Uiautomator2. Random Event Test MonkeySecond, the discovery of the problem3. Monitor memory for Leak tool4. Monitor if there is a ANR log

Creating a dialog-style window is simple and requires steps:1. Call the Popupwindow constructor to create the Popupwindow object2. The Showasdropdown (View v) called Popupwindow is displayed as a drop-down component of the V component: or call

# #Android下屏幕适配* * *: The current app shows the same effect on the same phone. Before the adaptation needs to first determine the current cell phone pixel density type (such as: xhdpi, hdpi, MDPI, etc.),The following is an example of Huawei G700,

We often need to crop the image, in fact, this feature in the Android system has a set of solutions, although the interface and effect is not very good, but the function is undoubtedly the perfect realization. As for how to customize the scheme

iOS development, navigation's return button is English "back", want to change into Chinese "return" or custom text; it was a simple thing to toss for half an hour. It turned out to be confused by the way Leftbarbuttonitem and Rightbarbuttonitem were

Recently in the application of the map, the customer let the map Library of gold, now is finally finished, so all the way, really tasted the sour spicy ah, online gold resources, can say less and less, available resources than the Giant panda also

The following is one of the four services registered for Media server: Mediaplayerservice structure diagram1, the figure does not have the Mediaplayerservice proxy object Bpmediaplayerservice Part, this part refers to the Binder proxy object obtains2

/** take the SD card path **/private String Getsdpath () {File Sddir = Null;boolean sdcardexist = Environment.getexternalstoragestate (). E Quals (Android.os.Environment.MEDIA_MOUNTED);//Determine if the SD card exists if (sdcardexist) {Sddir =

Dogetand theDoPostthe DifferenceGetand thePostis ahttptwo methods of the protocol, plusHead, deletewaitThere are essential differences between the two methods,Getthere is only one flow, and the parameters are appended toURL, the number of sizes is

I am a sophomore, just contact Android, also just applied to the Cnblog blog, said to the Android callback function understanding, Android callback function and C + +, Java, the default constructor, that is, run to a certain code when the code is