Android

Let's see one today. Dynamically implement some effects by rewriting the button, such as rounded rectangles, circles, pressed font changes, background color changes, background images, etc. To illustrate this, this implementation is absolutely not

First you need to understand the task stack:The stack is advanced, the activity is in a different startup mode, and a completely different operation is taken each time he visits him.1. Standard modeAndroid:launchmode= "Standard"/>Each access

Adapt the page to the screen width The code is as follows Copy Code WebSettings websettings= webview.getsettings ();Websettings.setlayoutalgorithm (Layoutalgorithm.single_column); Layoutalgorithm is an

We often in the list of Taobao, will choose the size, style, in a row of buttons set can only select one, we know button buttons is not unique, when we click on a row of buttons we will find this row of plenary was chosen. Let's take a look at how

The android:screenorientation= "Landscape" attribute can be added to the configuration of Androidmanifest.xml activity (which requires an activity that prohibits steering) (landscape is horizontal, Portrait is a vertical screen). For example:

Intent not only can pass a single value, it can also pass objects and data collections. Passes the List data collection. arraylist info = new arraylist ();Info.add (name);Info.add (website);Info.add (Weibo);Intent Intent = new Intent

A good example of the SDK The code is as follows Copy Code Scheduledexecutorservice Scheduler = Executors.newscheduledthreadpool (1);Scheduler.schedulewithfixeddelay (New Runner (), 0, 1, timeunit.seconds);or use

1. Local method of Dalvik VMAndroid.os.Process.killProcess (Android.os.Process.myPid ())//Get PIDSystem.exit (0); Normal Java, C # Standard Exit method, the return value of 0 represents a graceful exit2. Task Manager MethodThe first thing to say is

An android In addition to the good creative and beautiful interface, performance is also a key part of this article is the first time to start the speed issue. The Android app's startup process does not allow users to wait too long, and individuals

When using this framework, we have to configure a Displayimageoptions object as a parameter in Imageloader.getinstance (). DisplayImage (), so it is necessary to explain how the object is prepared. After the explanation, in fact this framework we

Previously in Guo Dashin's blog to see Using the LRUCache algorithm to achieve image caching. Here imitate his ideas, he also wrote a. and add concurrenthashmap> to implement level two cache, because Concurrenthashmap is the thread safety of

Java in the socket communication has been a good example, I just to introduce it into Android, the omission of the inevitable, many places are also worthy of reflection and consideration, master do not have to shoot bricks, can skip this article.

According to the relevant information to solve the following:1, the preparation of Sslsocketfactoryex to replace the original sslsocketfactory, The code is as follows: The code is as follows Copy Code Package

The code is as follows Copy Code private static void Xmlfilecreator (list data) {File Newxmlfile = new file (environment.getexternalstoragedirectory () + "/new.xml");try{if (!newxmlfile.exists ())Newxmlfile.createnewfile ();}catch

EditText the use of regular expressions to check whether the input conforms to the rule The code is as follows Copy Code Import Android.app.Activity; Import Android.os.Bundle; Import Android.view.View; Import

1.AndEngine Source and example code address: Google code:http://code.google.com/p/andengine/ Andengine Home: http://www.andengine.org/ Example Address: http://code.google.com/p/andengineexamples/ 2. Code download First install TORTOISEHG, and

The right to join the access SDcard in Androidmanifest.xml is as follows: The code is as follows Copy Code The code is as follows Copy Code Then we use SDcard to

The Android SDK can be downloaded and configured automatically via the SDK downloader, suitable for the network, fast download, or tools to download the SDK files, manual configuration, suitable for the network is not very good, slow download

Horizontal screen: Find this file The code is as follows Copy Code Froyopackagesappslauncher2reslayout-landworkspace_screen.xml Vertical screen The code is as follows Copy Code