simple compass app for android

after Android 4.4. This shows a simple JS method with return value.function getgreetings () { return 1;}Java code is called with the Evaluatejavascript methodvoid Testevaluatejavascript (WebView WebView) { webview.evaluatejavascript (new valuecallback() { @Override void onreceivevalue (String value) { " Onreceivevalue value= "+ value);}} );Precautions: The result is defined as strin

How can we use html web pages and local apps to transmit data? After research, I found that there are still some methods. I have summarized them and there are several methods. 1. Open the Android local app on the html page 1. Compile a simple html page Insert title here Open app

The example of this article for everyone to share the Android app implementation of multi-language switching function for your reference, the specific content as follows 1. Add multiple language filesadding string.xml files in different languages under different value folders (such as value, Value-en, VALUES-ZH-RTW folders), our project adds three languages in English, Simplified Chinese, and traditional C

ScrollView + Viewpager to achieve Android app main interface effectThe main interface of Android is usually made up of two parts: navigation bar, sliding split screen (I call it myself). Where the sliding split screen is definitely used with the fragment, the specific bearer of the control is Viewpager. There are many controls for navigating the page bar, either

Previous article Android Apidemo sample resolution: App->preferences->launching Preferences uses advanced Preferences The advancedpreferences defined in the.This article describes Advancedpreferences, which is referred to as advanced because it involves a custom preference and refreshes the value of a preference in a worker thread.Preference is a base class that displays in Preferenceactivity (typically sho

When it comes to Android development, there is no need to pull the screen to fit the problem, why should the screen fit? The reason is very simple, because the Android phone-related device model too much (according to statistics, 2012 supported Android devices a total of 3997, 2013 reached 11868, up to 18796 in 2014, n

If you follow the translation in the previous section, you will have a helloworld project. This article describes how to install an android program device or simulator, which can be implemented by using eclipse and command line .. Note that these files and directories are missing: AndroidManifest.xml This configuration List defines some basic program features and its components .. Element: You can useandroid:minSdkVersionAndandroid:ta

the TCP connection is allowed, as configured:Restart the SQL Server service and create a new database called "OpenFire" to start the configuration of the server.Start the server, open the extracted folder, go to the Bin directory, double-click Openfire.exe, wait for the program to run for a while, click the "Launch Admin" button to open the console.The program can choose Chinese language, the next step, come to the database configuration interface, I choose SQL Server here, and then enter the f

extends AsyncTask When you no longer need to locate the service, pay attention to remove the location change listener. // Stop receiving location updates whenever the Activity becomes invisible. @Override protected void onStop() { super.onStop(); mLocationManager.removeUpdates(listener); }In fact, it is relatively simple to let your app locate, mainly divided into 1. Get the posi

Reviews: Remember there was a time when a lot of SRC platform was brushed a large number of app local denial of service vulnerability, mobile security Team Love Beta (ineice.com) found an Android client generic denial of service vulnerability, to see their detailed analysis it.0xr0ot and Xbalien A common local denial of service vulnerability was found when all of the exception types that could lead to the a

Intermediates " Path, the compiled jar Library classes.jar . All you need to do is to import this During the import Classes.jar process, there are two issues that may occur (I use the Eclipse development environment, so I will only explain the issues that this environment encounters).The first problem is to import this jar Library by importing other jars , discovering that the compilation is slow and sometimes not even successful,Eclipse crashes or prompts " Java.lang.OutOfMemoryError:J

In the previous article, Android ApiDemo sample resolution (31): App-> Preferences-> Launching preferences uses the AdvancedPreferences defined in Advanced preferences. This article describes AdvancedPreferences in detail. This example is called Advanced because it involves custom Preference and refreshes the value of a Preference in a work thread. Preference is the base class that is displayed in Preferenc

Weekend bored, then finishing the next few open-source libraries often used, inadvertently found some open interface, so decided to fuse together, do a simple "sexy beauty" Browse app, name, called "Sexy Beach", effect such as the following. (Believe some cock silk men will not be unfamiliar with the name of the word)The project is still relatively simple, the co

I ' ve develop a test application in Xamarin Studio (Android with C #) and wanted to test it on my phone.The application worked just fine in the Device emulator (same OS version) if I install/open it on my phone, it jus t says "TestApplication stopped working" I know from the online search that thousands of issues could cause this error MES Sage but my questions are:is exporting my app on my droid as

of non-continuous integration is not automated, so here is the automation integration based on Jenkins, in fact, uiautomator do integration is very easy, just put the jar package in a fixed directory, and then the shell command execution is done.Then the scheduled task to choose their own, build a failed email alert here is set, above my custom exception class, when the console output my exception class, then will think not to pass, and then trigger email reminders.So far, a more complete proce

The Google online development tool App Inventor makes a simple button click event. by clicking the button, we can change the font color of a label; First, open the development environment address.Http://appinventor.googlelabs.com/ode/Ya.htmlOn the basis of the project created last time. First, let's take a look 1. The first step is to drag and drop controls on our project. Here we can rename the control to

drawing process of friends, please refer to my article "you learn the framework of the Celtics brother" activity interface display full resolution.SummarizeUntil now, we finally know why the Jane book Android client is stuck, and we summarize Due to the multi-tab design, resulting in a serious interface layout, not the system layout, there are more than 14 layers Due to unreasonable interface, the partial layout is redrawn seriously

); (Button) Findviewbyid (R.id.button)). Setonclicklistener (New View.onclicklistener () {@Overridepublic void OnClick ( View v) { Intent i = new Intent ("COM. MESSAGE "); I.addcategory ("receiver"); I.putextra ("message", "haha"); Sendorderedbroadcast (i, "xvtian.gai.receiver");}});}} Androidmanifest.xml:Receive broadcast:Package Com.tt.receiver;import Android.content.broadcastreceiver;import Android.content.context;import Android.content.intent;import Android.util.log;public

We know that many applications are uninstalled and will open the browser, so please give us some feedback on why they were uninstalled, so how do they know?I know a lot of people will think of listening to uninstall the broadcast Android.intent.action.PACKAGE_REMOVED, but you are uninstalled when the process was killed, this broadcast you are too late to accept, there is no way to deal with!The other is to listen to the log that just started unloading, but it may not be able to listen, or too la

Android reinforcement-2. Learn to crack the app before reinforcement and debug the program for modifying the memory value, [All Rights Reserved. For more information, see the source .] Because the company's project requires app reinforcement, after several months of research, I have achieved a complete set of third-party reinforcement solutions such as love encry