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POinvoking native MenuItem(Switch Application, Close, etc.) in my CustomMenu in blackberry
 

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  1. POinvoking native MenuItem(Switch Application, Close, etc.) in my CustomMenu in blackberry
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    <p>I need to create a custom menu in my blackberry application so that I can manage its appearance. I managed to create my custom menu by creating a class which extends a <code>PopupScreen</code> and having my <code>MenuItem</code> as a customized <code>LabelField</code> with abstract <code>invokeAction()</code> method. I made the <code>invokeAction()</code> method as abstract to emulate the run() method of <code>MenuItem</code>. </p> <p><img src="https://i.stack.imgur.com/tLRv7.png" alt="enter image description here"></p> <p>Everything was ok but I remember something. What if my boss ask me to implement native <code>MenuItem</code>s like <strong>Switch Application</strong> and <strong>Close</strong>. I don't think implementing <strong>Close</strong> will be a problem, but the <strong>Switch Application</strong> and other native <code>MenuItem</code> like <strong>Show Keyboard</strong>, this will give me a problem. So I come up for another solution and this is my code: </p> <pre><code>public CustomMenu(MainScreen screen) { super(vfm); Menu menu = screen.getMenu(0); for(int i = 0; i &lt; menu.getSize(); i++){ final MenuItem finalMenu = menu.getItem(i); vfm.add(new CustomMenuItem(finalMenu.toString(), Field.FOCUSABLE){ protected boolean invokeAction(int action) { finalMenu.run(); return true; } }); } } </code></pre> <p>This is the constructor of my <code>CustomMenu</code>. I accept an instance of <code>MainScreen</code> as my parameter to get the the lists of <code>MenuItem</code> and add it to my existing <code>CustomMenu</code>. The <code>invokeAction()</code> overridden method there is the counterpart of <code>run()</code> method of <code>MenuItem</code>. And this is the result of what I did: </p> <p><img src="https://i.stack.imgur.com/yilu0.png" alt="enter image description here"></p> <p>I managed to put those native <code>MenuItem</code> in my <code>CustomMenu</code> but the problem is when I invoke(click) those native <code>MenuItem</code>(Switch Application, Close) I got an <code>IllegalStateException</code>. Is there a way to get the implementation of those native <code>MenuItem</code>? Or a way to capture the <code>run()</code> method of <code>MenuItem</code> then invoke it in my <code>CustomMenu</code>? </p>
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    2. COOS version 4.6.
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