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  1. #1
    Registered User
    Join Date
    May 2013
    Posts
    280

    How to use hardware back button of asha 501 series

    I am working on Nokia sdk 1.1 and using lwuit 1.5 specifically making apps for asha 501 series phones.

    My requirement is i want to use hardware back button of phone( the same button which we use to exit app) . I want to handle this to move from my second form to first form in my app.
    I went through some demo examples matching my problem and got the following code.

    Code:
    protected void startApp() throws MIDletStateChangeException {
    		// TODO Auto-generated method stub
    		Display.init(this);
    		 f=new Form("FIRST FORM");
    		 f3=new Form("SECOND FORM");
    		f.setLayout(new BorderLayout());
    		Button b=new Button("CLICK ME");
    		
    		b.addActionListener(new ActionListener() {
    			
    			public void actionPerformed(ActionEvent arg0) {
    				// TODO Auto-generated method stub
    			
    				f3.show();
    				
    			}
    		});
    		
    		  Command c = new Command("Back") {
    	            public void actionPerformed(ActionEvent evt) {
    	                  // do something
    	            	f.show();
    	            }
    	       };
    	       f3.addCommand(c);
    	       f3.setBackCommand(c);
           f.addComponent(BorderLayout.NORTH,b);
    
         
           f.show();
    	}
    But this code is making a back command on form which i press to move to first form but i dont want to go back in this way. I want no such button to be there on form and it should go to previous form on clicking the hardware button(which in my case is exiting my app).

    How to do this?
    Last edited by Manpreet_Singh; 2014-04-10 at 07:03.

  2. #2
    Regular Contributor
    Join Date
    Dec 2012
    Location
    India
    Posts
    271

    Re: How to use hardware back button of asha 501 series

    You need to use the LWUIT provided in the SDK for Asha Series

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