Mobile Develop

As we all know, on the Android system, sometimes we encounter so file crash only can play log, but very often do not understand crash where, fortunately, after crash, generally can produce a. dmp file.We are able to get a more specific STATCK trace

One: What is ANRAnr:application not responding, i.e. application unresponsiveII: Type of ANRThere are generally three types of ANR:1:keydispatchtimeout (5 seconds)-- main typeKey or touch events do not respond at a specific time2:broadcasttimeout

the role of recoveryAndroid uses recovery mode, to restore the factory settings, full-scale package OTA upgrade, incremental package upgrade.An upgrade typically performs a custom upgrade by running the Meta-inf/com/google/android/update-script

* * Dynamically set floppy display and hide * @author JPH */public class Mainactivity extends Activity implements Onclicklistener {private Input Methodmanager inputmethodmanager;private Timer timer;private EditText edit; @Override protected void

The activity is actually inherited applicationcontext this class, we can rewrite the following method, the following code: 123456789 public class Activity extends ApplicationContext {        protected void onCreate(Bundle

See this headline, it is expected that very many people will think I'm going to black millet, frankly, in the author's very many people's view, the value of $40 billion is really not cheap, but does not mean that no investors to pay for it, shopping

Recently has been doing a company's Android development framework, including so library, close to the end, the leader asked a demand, the use of the framework of the developers must have our authorization to be able to, but the other release of the

Stack memory: Storage of local variables, high efficiency, short life cycle;Heap Memory: All new objects are stored, the running efficiency is low, the life cycle is long;Code area: The object is loaded only when the method is called, and static and

ImageView's scaletype determines what the image looks like when it is displayed on the view, such as the scale of the zoom, and the overall or partial display of the picture, and so on.The way you set it includes:1. Define android:scaletype= "CENTER"

C # relies on the Mono platform to implement server-side development of Unix platforms is nothing new, and Xarmain company (most of the initial members from the original mono, MonoTouch, Mono for Android members) continue to bring C # advanced to

Permissions Required:android:name= "Com.android.launcher.permission.READ_SETTINGS"/> android:name= "Com.android.launcher.permission.INSTALL_SHORTCUT"/>Call Method:Shortcut.create (this);The shortcut code is as follows: Public classShortCut {/***

We can use Nsoperation and nsoperationqueue for multithreaded development, and the concept of nsoperationqueue is similar to a thread pool, which provides object-oriented syntax compared to nsthread,nsoperation.The process of using nsoperation is to

BrieflyThe Singleton class (Singleton Class) in an object-oriented application always returns its own instance. It provides a global access point for the resources provided by the object. Design patterns related to this type of design are called

First, create an XML file named Gradient_box under the Res/drawable folder:A geometry defined in the shape drawable XML file, defined in the res/drawable/directory, with the file name filename filename called the resource ID of the accessAccessed

In addition to being able to package HTML pages into an app that can be run directly, PhoneGap has one of the biggest advantages of using JavaScript to invoke devices to access hardware information on the device, which can be achieved only by

There is a scene where we want to cut a picture into multiple images. For example, we are in the development of a puzzle game, we must first cut the image.The following is a packaged two class, you can achieve the cutting of the picture. For

Gets the location of the view class interface control to help you add a new control.Gets the relative coordinate position in the parentThis is relatively simple, needless to say, directly call the method of view: GetLeft, GetTop, Getbottom, GetRight

The corresponding alarmmanage has a Alarmmanagerservie service program, the service program is really provide alarm service, it mainly maintains the application registration of the various types of alarm and timely set up the impending alarm to

1 Multi-Threading is what multithreading is a complex concept, the literal meaning is to complete a number of tasks synchronously, improve the use of resources efficiency, from the hardware, operating system, application software from different

first introduce the method of removing the title bar:The first type:Also commonly used when the introduction of a method Requestwindowfeature (window.feature_no_title);//Remove the title barNote This sentence must be written in front of the