homescreen | 易学教程

Going to home screen programmatically

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问题 I want to go to the home screen programmatically in Android when the user clicks on button. How can this be done? 回答1: You can do this through an Intent. Intent startMain = new Intent(Intent.ACTION_MAIN); startMain.addCategory(Intent.CATEGORY_HOME); startMain.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(startMain); This Intent will start the launcher application that the user has defined. Be careful with this because this will look like your application crashed if the user does not

Android create shortcuts on the home screen

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问题 What I want to do is: 1) I\'m inside an activity, there are 2 buttons. If I click the first one a shortcut is created in my home screen. The shortcut open an html page that has been previously downloaded, so I want it to use the default browser but I don\'t want to use internet cause I already have the page. 2)The second button create another shortcut that starts an activity. And i want to pass to the activity some extra arguments (As strings for example)........... Are those things possible?

Change default homepage in root path to servlet with doGet

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问题 I have a small maven (indirectly through Netbeans 8.1 & tomcat setup) And whenever I ran the project it opens the browser with a HelloWord on the root: i.e the page on http://localhost:8084/ is: <html> <head> <title>Start Page</title> <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\"> </head> <body> <h1>Hello World!</h1> </body> </html> I\'ve tried to create a servlet to replace it using: @WebServlet(name = \"HomeServlet\", urlPatterns = {\"/\"}) however, it did not work