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POActivity in a library project
 

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    <p>I've an android library project, package name- com.example.lib, with an Activity called SecondActivity. I exported this library project as a Jar file, by including generated Source and Resources. I pasted this Jar file in the Host Application's "libs" folder. I also added this jar file into build path, by right clicking on it and selecting "Add to Build Path" option.</p> <p>When I run this host application, I get NoClassDefFound Exception. Package name, activities names are different. I've also included the library project's Activity's details in the Host application's manifest. But I cant execute this successfully. </p> <p>When I checked the "gen" folder of the Host application, I found out that library's R file is not getting generated. Below I've my manifest details. </p> <p>please help me guys.</p> <p>Mainfest:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.secondapp" android:versionCode="1" android:versionName="1.0" &gt; &lt;uses-sdk android:minSdkVersion="8" android:targetSdkVersion="10" /&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="com.example.secondapp.SecActivity" 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;activity android:name="com.lib.firstapp.MainActivity"&gt;&lt;/activity&gt; &lt;/application&gt; &lt;/manifest&gt; </code></pre> <p>Error Log:</p> <pre><code>FATAL EXCEPTION: main java.lang.NoClassDefFoundError: com.lib.firstapp.MainActivity at com.example.secondapp.SecActivity$1.onClick(SecActivity.java:23) at android.view.View.performClick(View.java:3571) at android.view.View$PerformClick.run(View.java:14247) at android.os.Handler.handleCallback(Handler.java:605) at android.os.Handler.dispatchMessage(Handler.java:92) at android.os.Looper.loop(Looper.java:137) at android.app.ActivityThread.main(ActivityThread.java:4517) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:511) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:993) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:760) at dalvik.system.NativeStart.main(Native Method) </code></pre> <p>My intention is to Create a JAR file. My clients can use my application by implementing this JAR file into their application. I've tried implementing services and receivers in this JAR file. Only thing that I cant do is Activities. Can I include Activities in a JAR?? </p>
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    1. USmadhu
    1. USmadhu
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    1. COWhat are you trying to achieve , with this jar file
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      1. POActivity in a library project
      1. USPrateek
    2. COdo not make jar file add this project as library project. Because jar can only hold java classes not xml,drawables etc resources.
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      1. POActivity in a library project
      1. USBiraj Zalavadia
    3. COi don't think it is possible to package resources as jar yet. You need to mark one as library project and reference the same in another project. You can check commonsware answer i guess i came across a close to your requirement with a workaround.
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      1. POActivity in a library project
      1. USRaghunandan
 

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