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POandroid-support-v4.jar isn't importing correctly in Eclipse
 

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    <p>I'm trying to get an app to compile that uses the <code>android-support-v4.jar</code> and the <code>Fragmentation</code> classes it contains, but I keep getting messages whenever I try to compile that there are errors in the code. All of the errors have to do with different <code>Fragmentation</code> classes that are in the <code>.JAR</code>. I have tried <code>ctrl-clicking</code> the project folder and then selecting <code>Android Tools -&gt; Add Compatibility Library</code> and I keep getting this error:</p> <pre><code>[2011-12-20 11:55:31 - Android Compatibility JAR not found:] /Applications/eclipse/Eclipse.app/Contents/MacOS/v4/android-support-v4.jar </code></pre> <p>Why would it be looking for the <code>.JAR</code> in Eclipse's Package Contents? I've gone into the project properties and went to the Java Build Path, and imported the <code>.JAR</code> from the <code>MainActivity/libs</code> folder, that didn't work, and then I tried to import it from my SDK directory, and that didn't work. I've fixed the project properties and cleaned and built it countless times, I've restarted Eclipse, my computer, re-downloaded and installed Eclipse, the Android SDK's and ADT and still nothing. I am completely stumped.</p> <hr> <h2>Edit</h2> <hr> <p>I've gone through the build path and imported the .JAR from both the <code>MainActivity/libs</code> and my SDK directory. For the hell of it I added the .JAR in the directory that keeps appearing in the errors and that hasn't worked. What's making Eclipse look for it in it's Application Package Contents?</p> <hr> <h2>Update</h2> <hr> <p>So after tinkering the project contents aren't showing any errors but the MainActivity folder still says that there is one and I still can't compile.</p> <p>Like nyah:</p> <p><img src="https://i.stack.imgur.com/PgGTz.png" alt="enter image description here"></p> <hr> <h2>Revision</h2> <hr> <p>So I think the question may be "Why is Eclipse looking for the .JAR in the Eclipse Application's package contents instead of the <code>libs</code> directory of the project or the Android SDK directory that I used to import it as an external .JAR?"</p> <hr> <h2>Update #2</h2> <hr> <p>I am only getting one error now after tinkering, it's on this method:</p> <pre><code>@Override public MenuItem setOnActionExpandListener(OnActionExpandListener onActionExpandListener) { // Noop return this; } </code></pre> <p>The Quick Fix says that I should delete the @Override annotation but that method must override a super class method.</p> <p>These are the errors that it shows:</p> <pre><code>Multiple markers at this line - The method setOnActionExpandListener(MenuItem.OnActionExpandListener) of type SimpleMenuItem must override a superclass method - implements android.view.MenuItem.setOnActionExpandListener </code></pre>
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