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POEclipse doesn't generate R.java
 

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  1. POEclipse doesn't generate R.java
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    <p>I am writing a calculator app to familiarize myself with the ADK, but my project will not build. There is no generated <code>R.java</code>, and when I click build I get the following message:</p> <pre><code>Errors occurred during the build. Errors running builder 'Android Pre Compiler' on project 'JakobCalculator'. java.lang.NullPointerException </code></pre> <p>I don't use subversion, so all of <a href="https://www.google.com/search?q=android+pre+compiler+NullPointerException&amp;aq=f&amp;oq=android+pre+compiler+NullPointerException&amp;aqs=chrome.0.57j62l3.4514&amp;sourceid=chrome&amp;ie=UTF-8" rel="nofollow">These questions</a> which point to it as the problem don't help me. </p> <p>The Eclipse console shows the following text:</p> <pre><code>[2013-04-20 10:42:54 - JakobCalculator] Android Launch! [2013-04-20 10:42:54 - JakobCalculator] adb is running normally. [2013-04-20 10:42:54 - JakobCalculator] Performing edu.us.jweisblat14.calculator.MainActivity activity launch [2013-04-20 10:42:54 - JakobCalculator] Automatic Target Mode: using device '015d43637e60021b' [2013-04-20 10:42:54 - JakobCalculator] Uploading JakobCalculator.apk onto device '015d43637e60021b' [2013-04-20 10:42:54 - JakobCalculator] Installing JakobCalculator.apk... [2013-04-20 10:42:57 - JakobCalculator] Success! [2013-04-20 10:42:57 - JakobCalculator] Starting activity edu.us.jweisblat14.calculator.MainActivity on device 015d43637e60021b [2013-04-20 10:42:57 - JakobCalculator] ActivityManager: Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=edu.us.jweisblat14.calculator/.MainActivity } [2013-04-20 10:49:08 - JakobCalculator] Error in an XML file: aborting build. </code></pre> <p>I can't figure out what that XML error might be. The only yellow warnings I can find anywhere are:</p> <ul> <li>on my <code>EditText</code> elements in the <code>MainActivity</code> xml (no label view points to them) </li> <li>on the xml declaration of the manifest (no grammar constraints).</li> </ul> <p>Where might I find the error?</p> <p>EDIT: here is my manifest file:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android" package="edu.us.jweisblat14.calculator" android:versionCode="1" android:versionName="1.0" &gt; &lt;uses-sdk android:minSdkVersion="17" android:targetSdkVersion="17" /&gt; &lt;application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" &gt; &lt;activity android:name="edu.us.jweisblat14.calculator.MainActivity" android:label="@string/app_name" &gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.MAIN" /&gt; &lt;category android:name="android.intent.category.LAUNCHER" /&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;/application&gt; &lt;/manifest&gt; </code></pre>
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    1. COWhat version have you changed to and what version was there before? Does it start working when you change it back?
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      1. POEclipse doesn't generate R.java
      1. USMaciejGórski
    2. COTry running LINT on your project, it should identify your problem. LINT can be run by right clicking on your android project and pick android tools...
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    3. COCan we see your AndroidManifest.xml file?
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      1. USalex
 

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