Mobile Develop

The reading and writing of SD cards is the most common operation we have in the process of developing Android applications. The following describes how the SD card reads and writes:1. Get the root directory of the SD card[Java]View Plaincopy

1. Add at the main function of the programsetuid (0);Setgid (0);2. Modify the executable file (because the app does not allow root permission to run when the application is booted)Open the. App, find the executable file in it, copy it, and replace

The eclipse for Java EE downloaded from the official website successfully configured the Tomcat server and then successfully configured the Web project to Tomcat, entering the HTTP://LOCALHOST:8080/project name/ index.jsp (8080 for Tomcat port,

Before summarizing the lock screen code, there are two main ideas to keep in mindA) Keyguardhostview is the interface we are going to show, so no matter what the method, we need to add this keyguardhostview to the window and fill it up, it's all a

Code indentation: left indent command+  ] right indent Toggle the toolbar window: Command + 0 Turn left navigation on or off OPTION + COMMAND + 0 Open or

1, the program clearly uses the following methods to register and release the broadcast:Mcontext.registerreceiver (downloadreceiver, filter); Mcontext.unregisterreceiver (Downloadreceiver);However, there are still some problems in the process of

If you want to reprint please indicate the source: http://blog.csdn.net/itas109QQ Technology Group: 129518033Objective:The exit program used earlier uses finish (), which only exits the current activity. If you have more than one activity, you can't

1 Find out first 2 saving data for the current table 3 updating data for associated tables When inserting an associated data field, in order to detect whether or not to insert the problem repeatedly,   /**     *  query whether there is a name that

Let's talk about why we need to discuss this issue.Now a lot of mobile applications, may be directly embedded in a Web page. The advantages of this: one is the function of the update is convenient, easy to maintain, only need to maintain the

LinearLayout xmlns:android="Http://schemas.android.com/apk/res/android" Android:layout_width="Wrap_content" android:layout_height="Wrap_content"> ListView android:id="@+id/android:list" Android:layout_width="Wrap_content"

Private long exittime = 0;@Overridepublic boolean onKeyDown (int keycode, keyevent event) {if (keycode = = Keyevent.keycode_back && event.getaction () = = Keyevent.action_down) {if ((System.currenttimemillis ()-exittime) > 2000) {Toast.maketext

Android size problem (GO) (2013-01-15 16:55:36) reproduced Tags: gossip Category: LINUX Recent projects in the company have involved screen-adaptive problems. Because of the TV version of the project, the screen

All-in- one sharing, this article collects books, tutorials, tools, information, and weekly resources for Android development that will benefit you at every stage of your Android development journey. Getting Started"Learning Android (Chinese version)

I use HTML5 in the Android Localstorage why can't I read it?There's been a lot of searching on the Internet. 123456789 mainWebView = (WebView)this.findViewById(R.id.mainWebView);        WebSettings settings = mainWebView.getSettings(

in Unity Development will encounter a problem is the use of anroid under the Lightmap will appear scene highlighting, exposure effect, this problem toss for some time, and then find the problem solution. We need to set the following:Set with a lower

Ashamed to say, in the end it seems that they did not do something.Because of the need for work, it is necessary to seamlessly loop multiple Ogg audio simultaneously.I tried to decode the Ogg file in Java at the Java layer, the efficiency is not to

In previous versions of IOS8, we had no problem using cllocationmanager positioning, and recently in the IOS8 system it was not possible to locate .... This is a big problem!1, first define a global variable to record Cllocationmanager object,

Developing Android sometimes comes across the problem of transforming activity into fragment. Originally fragment is the new Android version of the stuff, but since Google is so gracious to provide a compatible package. Then there will always be

First release Source: Https://github.com/chenyoca/AndroidTopicBankExThen the actual application running effect:The final explanation:1, the application is not completed, the application of data is simulated.2, the application depends on other jar

The effect of the normal state:Button-pressed slices:First, in Java for the Picture button to increase the touch monitoring function to achieve the picture switch, the code is as follows:ImageButton BTN =(ImageButton) Findviewbyid (R.id.imagebutton1)