is compass app for android

run this method correctly, add the following in your androidmanifest.xml:/*** Determine if the app is running *@paramContext *@return */ Public BooleanIsrun (Context context) {Activitymanager am=(Activitymanager) Context.getsystemservice (Context.activity_service); List); BooleanIsapprunning =false; String My_pkg_name= "Com.ad"; //100 represents the maximum number of tasks taken, info.topactivity i

This article mainly describes several possible reasons why the icon does not appear after the Android app is installed .The program you wrote suddenly disappeared after the installation, can be found in the application installation, but the desktop is no icon, start only from the most recent list of them. Typically thi

= new handler (Looper.getmainlooper ()); maxlight = Getlightness (this);} /** * Set Brightness * * @param context * @param light */void setlight (Activity context, int light) {currentlight = light; Windowmanager.layoutparams locallayoutparams = Context.getwindow (). GetAttributes (); Locallayoutparams.screenbrightness = (light/255.0f); Context.getwindow (). SetAttributes (LocalLayoutParams);} /** * Get Brightness * * @param context * @return */float getlightness (Activity context) {Windowmanage

When the app code is automatically updated, it starts with the following code Intent Intent = new Intent (Intent.action_view); Intent.setdataandtype (Uri.parse ("file://" +constants.sdk_dir+file.separator+constants.sdk_name), "application/Vnd.android.package-archive "); Context.startactivity (Intent); However, in some cases, when using these codes, when the dialog box displays the installation confirmation,

Android adds the screen saver function to the App, which is similar to the advertisement function ., Androidapp When a friend does not perform any operation for every activity in the app for 30 seconds, a screen saver is displayed. The screen saver keeps the screen bright,

Directly on the code, not much to say//In the process to find information about the current app, to determine whether to run in the foregroundPrivateBooleanIsapponforeground () {Activitymanager Activitymanager =(Activitymanager) Getapplicationcontext (). Getsystemservice (Context.activity_service); String PackageName =Getapplicationcontext (). Getpackagename (); List activitymanager.getrunningappprocesses (); if (appprocesses = = null ) return false;

By default, Android app's interface will change with the direction of the phone, when the phone is in the vertical state, the app's interface is also in the vertical state, and when the phone is in a horizontal screen, the app will automatically switch to the horizontal scre

; } return false; Version 4.0 or above, you can use Activitylifecycleif(Build.VERSION.SDK_INT >= 14) {Lifecycle=Newsimpleactivitylifecycle (); Registeractivitylifecyclecallbacks (lifecycle); Public classSimpleactivitylifecycleImplementsApplication.activitylifecyclecallbacks {Private BooleanIsforeground =false;//whether the app is in the front@Override Public voidonactivitycreated (activity activity,

Android determines if an app is an input methodBefore doing an app, need to list all the packages installed in the phone, including system apps, but also need to filter the input method, and then found this method to determine the IME.public static Boolean Isinputmethodapp (context context, String strPkgName) {Packagem

Customer requirements After the headset is pulled out during FM playback, The FM app displays a prompt box Indicating "unplug the headset and stop the FM", and then automatically close Modify fmradioservice. Java1. Add the following import to display the toast /// AAAAA add start Import Android. widget. Toast; /// AAAAA add endpublic class fmradioservice extends

) {toastutils.show (Getapplicationcontext (),"Call Baidu Map failed."); LOG.I ("Baidutoolisavilible", "Not Installed"); } startactivity (Intent); } //not installed, jump to market download the program Else { //Baidu Map is not installed, jump to the App store.Toastutils.show (Getapplicationcontext (), "Baidu maps not installed, jump

In Android, the color of the status bar is the same as that of our App. androidapp In fact, there is nothing. It is a topic. Let's look at the code below: Three important attributes: ColorPrimary ------------ color of the corresponding ActionBar. ColorPrimaryDark -

Public Static Booleanisavilible (Context context, String PackageName) {//Get Packagemanager FinalPackagemanager Packagemanager =Context.getpackagemanager (); //Get package information for all installed programslist); //the package name used to store all installed programsListNewArraylist(); //Remove the package name from pinfo and press it into the PName list if(PackageInfos! =NULL){ for(inti = 0; I ) {String packname=Packageinfos.get (i). PackageName; Packagenames.add (Pack

Android uses Chrome Inspect to debug the H5 App of WebView. The solution (FQ is not required), chromewebview The most comfortable tool for debugging the WebView-based Hybrid App is of course the developer tool that comes with Chrome. Among them, we are familiar with Dom tree

shared between multiple//activities, you must is careful about when you read or write//it in order to keep from stepping on yourself.Sharedpreferences preferences = Getsharedpreferences ("Redirectdata", 0); Mtextpref= Preferences.getstring ("text",NULL); if(Mtextpref! =NULL) {TextView text=(TextView) Findviewbyid (R.id.text); Text.settext (MTEXTPREF); return true; } return false; }Other uses are startactivityforresult. This example

This method is encapsulated in my app that needs to see my app and determine if an activity is running on the phone interfacePackageName is a package name that needs to be judged to be applied, such as Com.xy.tencentIt is also pos

Android app source code is based on the vitamio network TV live broadcasting source code, androidvitamio This project is based on the source code of the vitamio-based online TV live broadcast project. It is also a source code of the