Android development tool Class 01_apputils

1, get the application name;

2. Get Application version information.

1 ImportAndroid.content.Context;2 ImportAndroid.content.pm.PackageInfo;3 ImportAndroid.content.pm.PackageManager;4 Importandroid.content.pm.PackageManager.NameNotFoundException;5 6 //helper classes related to apps7  Public classapputils8 {9 Ten     Privateapputils () One     { A         /*cannot be instantiated*/ -         Throw NewUnsupportedoperationexception ("cannot be instantiated"); -  the     } -  -     /** - * Get application name +      */ -      Public StaticString Getappname (context context) +     { A         Try at         { -Packagemanager Packagemanager =Context.getpackagemanager (); -PackageInfo PackageInfo =Packagemanager.getpackageinfo ( -Context.getpackagename (), 0); -             intLabelres =packageInfo.applicationInfo.labelRes; -             returncontext.getresources (). getString (labelres); in}Catch(namenotfoundexception e) -         { to e.printstacktrace (); +         } -         return NULL; the     } *  $     /**Panax Notoginseng * [Get Application version name information] -      *  the      * @paramContext +      * @returnThe version name of the current app A      */ the      Public StaticString Getversionname (context context) +     { -         Try $         { $Packagemanager Packagemanager =Context.getpackagemanager (); -PackageInfo PackageInfo =Packagemanager.getpackageinfo ( -Context.getpackagename (), 0); the             returnPackageinfo.versionname; - Wuyi}Catch(namenotfoundexception e) the         { - e.printstacktrace (); Wu         } -         return NULL; About     } $  -}

Android development tool Class 01_apputils