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POandroid zxing integration
 

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    <p>Im trying to integrate zxing barcode scanner into my app. I am not wanting to do it via an intent as i would like the app to be an all in one solution. I understand the limitations this has but i dont really have an option on this one</p> <p>i have followed the following guide to integrate the code as a library into my project </p> <p><a href="http://damianflannery.wordpress.com/2011/06/13/integrate-zxing-barcode-scanner-into-your-android-app-natively-using-eclipse/" rel="nofollow">http://damianflannery.wordpress.com/2011/06/13/integrate-zxing-barcode-scanner-into-your-android-app-natively-using-eclipse/</a></p> <p>I am receiving a Null exception error with the following logcat . If anyone knows much about the zxing code could give me any pointers that would be great. let me know if you require any more background info</p> <p>. I am calling the scaner with the following</p> <pre><code> Intent intent = new Intent("com.google.zxing.client.android.SCAN"); intent.putExtra("SCAN_MODE", "QR_CODE_MODE"); startActivityForResult(intent, 0); 12-28 06:41:57.464: W/dalvikvm(4301): threadid=3: thread exiting with uncaught exception (group=0x2aaca450) 12-28 06:41:57.464: E/AndroidRuntime(4301): Uncaught handler: thread main exiting due to uncaught exception 12-28 06:41:57.504: E/AndroidRuntime(4301): java.lang.RuntimeException: Unable to resume activity {com.discovery_scan.app/com.google.zxing.client.android.CaptureActivity}: java.lang.NullPointerException 12-28 06:41:57.504: E/AndroidRuntime(4301): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2950) 12-28 06:41:57.504: E/AndroidRuntime(4301): at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2965) 12-28 06:41:57.504: E/AndroidRuntime(4301): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2516) 12-28 06:41:57.504: E/AndroidRuntime(4301): at android.app.ActivityThread.access$2200(ActivityThread.java:119) 12-28 06:41:57.504: E/AndroidRuntime(4301): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863) 12-28 06:41:57.504: E/AndroidRuntime(4301): at android.os.Handler.dispatchMessage(Handler.java:99) 12-28 06:41:57.504: E/AndroidRuntime(4301): at android.os.Looper.loop(Looper.java:123) 12-28 06:41:57.504: E/AndroidRuntime(4301): at android.app.ActivityThread.main(ActivityThread.java:4363) 12-28 06:41:57.504: E/AndroidRuntime(4301): at java.lang.reflect.Method.invokeNative(Native Method) 12-28 06:41:57.504: E/AndroidRuntime(4301): at java.lang.reflect.Method.invoke(Method.java:521) 12-28 06:41:57.504: E/AndroidRuntime(4301): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:885) 12-28 06:41:57.504: E/AndroidRuntime(4301): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:643) 12-28 06:41:57.504: E/AndroidRuntime(4301): at dalvik.system.NativeStart.main(Native Method) 12-28 06:41:57.504: E/AndroidRuntime(4301): Caused by: java.lang.NullPointerException 12-28 06:41:57.504: E/AndroidRuntime(4301): at com.google.zxing.client.android.CaptureActivity.onResume(CaptureActivity.java:178) 12-28 06:41:57.504: E/AndroidRuntime(4301): at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1149) 12-28 06:41:57.504: E/AndroidRuntime(4301): at android.app.Activity.performResume(Activity.java:3763) 12-28 06:41:57.504: E/AndroidRuntime(4301): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2937) </code></pre>
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    1. CODid you modify any part of the zxing source? What device are you using? Does the Market version of Barcode Scanner work correctly? Is the market version installed on the device while you are testing your own build? (if so I would try uninstalling that first);
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    2. COHi, No i have not altered the zxing code at all left as is. I have tried my project ( with the zxing library code ) on 2 devices and getting the same error.
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